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Annotation of OpenXM/src/kan96xx/Doc/gfan.sm1, Revision 1.8

1.8     ! takayama    1: %  $OpenXM: OpenXM/src/kan96xx/Doc/gfan.sm1,v 1.7 2004/09/30 07:45:04 takayama Exp $
1.1       takayama    2: % cp cone.sm1 $OpenXM_HOME/src/kan96xx/Doc/gfan.sm1
1.8     ! takayama    3: % $Id: cone.sm1,v 1.63 2004/10/13 23:33:22 taka Exp $
1.1       takayama    4: % iso-2022-jp
                      5:
1.6       takayama    6: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                      7: %% Two examples are given below to get a global Grobner fan and
                      8: %% a local Grobner fan ; cone.sample and cone.sample2
                      9: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                     10: %%%  Global Grobner Fan
                     11: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                     12: %% How to input data?  An example.   (cf. test13.sm1)
                     13: %%  Modify the following or copy the /cone.sample { ... } def
                     14: %%  to your own file,
                     15: %%  edit it, and execute if by  " cone.sample ; "
                     16: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                     17: /cone.sample {
                     18:   cone.load.cohom
                     19: % write a comment about the problem.  "nl" means new line.
                     20: /cone.comment [
                     21:   (Toric ideal for 1-simplex x 2-simplex, in k[x]) nl
                     22: ] cat def
                     23:
                     24: % List of variables
                     25: % If cone.type=1, then (H) should be added.
                     26: /cone.vlist [(x11) (x12) (x13) (x21) (x22) (x23)
                     27:              (Dx11) (Dx12) (Dx13) (Dx21) (Dx22) (Dx23) (h)] def
                     28:
                     29: % List of variables in the form for define_ring.
                     30: /cone.vv (x11,x12,x13,x21,x22,x23) def
                     31:
                     32: % If cone.type=0, then  x,Dx,
                     33: % If cone.type=1, then  x,Dx,h,H    (Doubly homogenized)
                     34: % If cone.type=2, then  x,Dx,h
                     35: /cone.type 2 def
                     36:
                     37: % Set how to parametrize the weight space.
                     38: % In the example below, 6 means the number of variables x11,x12,x13,x21,x22,x33
                     39: %   p q parametrizeSmallFan  (p >= q) : Enumerate Grobner cones in the Small
                     40: %                                       Grobner fan.
                     41: %                                       The weights for the last p-q variables
                     42: %                                       are 0.
                     43: %     Example. 6 2 parametrizeSmallFan   weights for x12,x21,x22,x23 are 0.
                     44: %
                     45: %   p q parametrizeTotalFan  (p = q = number of variables in cone.vv)
                     46: %                             p > q has not yet been implemented.
                     47: %
                     48: /cone.parametrizeWeightSpace {
                     49:   6 6 parametrizeSmallFan
                     50: } def
                     51:
                     52: % If you want to enumerate Grobner cones in local order (i.e., x^e <= 0),
                     53: % then  cone.local = 1  else cone.local = 0.
                     54: /cone.local 0 def
                     55:
                     56: % Initial value of the weight in the weight space of which dimension is
                     57: % cone.m
                     58: % If it is null, then a random weight is used.
                     59: /cone.w_start
                     60:   null
                     61: def
                     62:
                     63: % If cone.h0=1, then the weight for h is 0.
                     64: % It is usally set to 1.
                     65: /cone.h0 1 def
                     66:
                     67: % Set input polynomials which generate the ideal.
                     68: % Input must be homogenized.
                     69: %    (see also data/test14.sm1 for double homogenization.)
                     70: /cone.input
                     71:   [
                     72:     (x11 x22 - x12 x21)
                     73:     (x12 x23 - x13 x22)
                     74:     (x11 x23 - x13 x21)
                     75:   ]
                     76: def
                     77:
                     78: % Set a function to compute Grobner basis.
                     79: %  cone.gb_Dh   : For computing in Homogenized Weyl algebra h[1,1](D).
                     80: %  cone.gb_DhH  : For computing in doubly homogenized Weyl algebra.
                     81: %                  ( Computation in ^O and h[0,1](^D) need this
                     82: %                    as the first step.  /cone.local  1 def )
                     83: /cone.gb {
                     84:   cone.gb_Dh
                     85: } def
                     86:
                     87:
                     88: cone.comment message
                     89: (cone.input = ) message
                     90: cone.input message
                     91: %%%% Step 1.  Enumerating the Grobner Cones in a global ring.
                     92: %%%%   The result is stored in cone.fan
                     93: getGrobnerFan
                     94:
                     95: %%%% If you want to print the output, then uncomment.
                     96: printGrobnerFan
                     97:
                     98: %%%% If you want to save the data to the file sm1out.txt, then uncomment.
                     99: % /cone.wightGblist 1 def saveGrobnerFan /ff set ff output
                    100:
                    101: %%%% Step 2. Dehomogenize the Grobner Cones
                    102: %%%%  by the equivalence relation in a local ring (uncomment).
                    103: % dhCones_h
                    104:
                    105: %%%% Generate the final data dhcone2.fan (a list of local Grobner cones.)
                    106: % dhcone.rtable
                    107:
                    108: %%%%  Output dhcone2.fan with explanations
                    109: % dhcone.printGrobnerFan
                    110:
                    111: } def
                    112: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                    113: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                    114: %% End of " How to input data?  An example. "
                    115: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                    116: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                    117:
                    118:
                    119:
                    120: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                    121: %%%  Local Grobner Fan
                    122: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                    123: %% How to input data?  The example 2 (cf. test14.sm1).
                    124: %%  Modify the following or copy the /cone.sample2 { ... } def
                    125: %%  to your own file,
                    126: %%  edit it, and execute if by  " cone.sample2 ; "
                    127: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                    128: /cone.sample2 {
                    129:   cone.load.cohom
                    130: % write a comment about the problem.  "nl" means new line.
                    131: /cone.comment [
                    132:   (BS for y and y-(x-1)^2, t1, t2 space, in doubly homogenized Weyl algebra.) nl
                    133:   (The Grobner cones are dehomogenized to get local Grobner fan.) nl
                    134: ] cat def
                    135:
                    136: % List of variables
                    137: % If cone.type=1, then (H) should be added.
                    138: /cone.vlist [(t1) (t2) (x) (y) (Dt1) (Dt2) (Dx) (Dy) (h) (H)] def
                    139:
                    140: % List of variables in the form for define_ring.
                    141: /cone.vv (t1,t2,x,y) def
                    142:
                    143: % If cone.type=0, then  x,Dx,
                    144: % If cone.type=1, then  x,Dx,h,H    (Doubly homogenized)
                    145: % If cone.type=2, then  x,Dx,h
                    146: /cone.type 1 def
                    147:
                    148: % Set how to parametrize the weight space.
                    149: % In the example below, 6 means the number of variables x11,x12,x13,x21,x22,x33
                    150: %   p q parametrizeSmallFan  (p >= q) : Enumerate Grobner cones in the Small
                    151: %                                       Grobner fan.
                    152: %                                       The weights for the last p-q variables
                    153: %                                       are 0.
                    154: %     Example. 6 2 parametrizeSmallFan   weights for x12,x21,x22,x23 are 0.
                    155: %
                    156: %   p q parametrizeTotalFan  (p = q = number of variables in cone.vv)
                    157: %                             p > q has not yet been implemented.
                    158: %
                    159: /cone.parametrizeWeightSpace {
                    160:   4 2 parametrizeSmallFan
                    161: } def
                    162:
                    163: % If you want to enumerate Grobner cones in local order (i.e., x^e <= 0),
                    164: % then  cone.local = 1  else cone.local = 0.
                    165: /cone.local 1 def
                    166:
                    167: % Initial value of the weight in the weight space of which dimension is
                    168: % cone.m
                    169: % If it is null, then a random weight is used.
                    170: /cone.w_start
                    171:   null
                    172: def
                    173:
                    174: % If cone.h0=1, then the weight for h is 0.
                    175: % It is usally set to 1.
                    176: /cone.h0 1 def
                    177:
                    178: % Set input polynomials which generate the ideal.
                    179: % Input must be homogenized.
                    180: %    (see also data/test14.sm1 for double homogenization.)
                    181: /cone.input
                    182:   [
                    183:     (t1-y) (t2 - (y-(x-1)^2))
                    184:     ((-2 x + 2)*Dt2+Dx)
                    185:     (Dt1+Dt2+Dy)
                    186:   ]
                    187: def
                    188: % homogenize
                    189:   [cone.vv ring_of_differential_operators
                    190:    [[(t1) -1 (t2) -1 (Dt1) 1 (Dt2) 1]] ecart.weight_vector
                    191:   0] define_ring
                    192:   dh.begin
                    193:   cone.input { . homogenize toString } map /cone.input set
                    194:   dh.end
                    195:
                    196: % Set a function to compute Grobner basis.
                    197: %  cone.gb_Dh   : For computing in Homogenized Weyl algebra h[1,1](D).
                    198: %  cone.gb_DhH  : For computing in doubly homogenized Weyl algebra.
                    199: %                  ( Computation in ^O and h[0,1](^D) need this
                    200: %                    as the first step.  /cone.local  1 def )
                    201: /cone.gb {
                    202:   cone.gb_DhH
                    203: } def
                    204:
                    205: cone.comment message
                    206: (cone.input = ) message
                    207: cone.input message
                    208: %%%% Step 1.  Enumerating the Grobner Cones in a global ring.
                    209: %%%%   The result is stored in cone.fan
                    210: getGrobnerFan
                    211:
                    212: %%%% If you want to print the output, then uncomment.
                    213: printGrobnerFan
                    214:
                    215: %%%% If you want to save the data to the file sm1out.txt, then uncomment.
                    216: % /cone.wightGblist 1 def saveGrobnerFan /ff set ff output
                    217:
                    218: %%%% Step 2. Dehomogenize the Grobner Cones
                    219: %%%%  by the equivalence relation in a local ring (uncomment).
                    220: dhCones_h
                    221:
                    222: %%%% Generate the final data dhcone2.fan (a list of local Grobner cones.)
                    223: dhcone.rtable
                    224:
                    225: %%%%  Output dhcone2.fan with explanations
                    226: dhcone.printGrobnerFan
                    227:
                    228: } def
                    229: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                    230: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                    231: %% End of " How to input data?  The example 2. "
                    232: %% Do not touch below.
                    233: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                    234: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                    235:
                    236:
                    237: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                    238: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                    239: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                    240: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                    241:
                    242: [(parse) (cgi.sm1) pushfile] extension
                    243:
                    244: % If you use local polymake, then comment out.
                    245: % If you use the cgi/polymake on the net, then uncomment out.
1.8     ! takayama  246: %/doPolymake {doPolymake.OoHG} def    (Using doPolymake.OoHG ) message
        !           247: %/polymake.start {polymake.start.OoHG} def (Using polymake.start.OoHG ) message
        !           248: %% Choose it automatically.
        !           249: [(which) (polymake)] oxshell tag 0 eq {
        !           250:   (Polymake is not installed in this system.)  message
        !           251:   /doPolymake {doPolymake.OoHG} def
        !           252:   (Using doPolymake.OoHG ) message
        !           253:   /polymake.start {polymake.start.OoHG} def
        !           254:   (Using polymake.start.OoHG ) message
        !           255: } { (Local polymake will be used.) message } ifelse
1.6       takayama  256:
1.1       takayama  257: /cone.debug 1 def
                    258:
                    259: /ox.k0.loaded boundp {
                    260: } {
                    261:  [(parse) (ox.sm1) pushfile] extension
                    262: } ifelse
                    263:
1.6       takayama  264: /cone.load.cohom {
                    265:  /cone.loaded boundp { }
                    266:  {
                    267:   [(parse) (cohom.sm1) pushfile] extension
1.8     ! takayama  268: %  [(parse) (cone.sm1) pushfile] extension   % BUG? cone.sm1 overrides a global
        !           269:                                              % in cohom.sm1?
1.6       takayama  270:   [(parse) (dhecart.sm1) pushfile] extension
                    271:   /cone.loaded 1 def
1.8     ! takayama  272:   oxNoX
        !           273:   polymake.start  (  ) message
1.6       takayama  274:  } ifelse
                    275: } def
                    276:
                    277: %% Usages:  cone.gb_DhH.  h H (double homogenized) $BMQ$N(B GB.
                    278: %%   dhecart.sm1 $B$r(B load $B$7$F$"$k$3$H(B. $BF~NO$OF1<!$G$J$$$H$$$1$J$$(B.
                    279: %% [cone.vv ring_of_differential_operators
                    280: %%  [[(t1) -1 (t2) -1 (Dt1) 1 (Dt2) 1]] ecart.weight_vector
                    281: %%  0] define_ring
                    282: %%   dh.begin  homogenize dh.end $B$J$I$NJ}K!$GF1<!2=$G$-$k(B.
                    283: /cone.gb_DhH {
                    284:   /arg2 set /arg1 set
                    285:   [/ff /ww] pushVariables
                    286:   [
                    287:      /ff arg1 def
                    288:      /ww arg2 def
                    289:      /dh.gb.verbose 1 def
                    290:      /dh.autoHomogenize 0 def
                    291:      [(AutoReduce) 1] system_variable
                    292:      [ff { toString } map cone.vv
                    293:       [ww cone.vv generateD1_1]] dh.gb 0 get /arg1 set
                    294:   ] pop
                    295:   arg1
                    296: } def
                    297:
1.3       takayama  298: %
                    299: % cone.fan, cone.gblist $B$K(B fan $B$N%G!<%?$,$O$$$k(B.
                    300: %
1.6       takayama  301: %%%%<<<<  $B=i4|%G!<%?$N@_DjNc(B. $BF|K\8lHG(B  data/test13 $B$h$j(B.  <<<<<<<<<<<<<<
                    302: /cone.sample.test13.ja {
1.2       takayama  303:  /cone.loaded boundp { }
                    304:  {
                    305:   [(parse) (cohom.sm1) pushfile] extension
                    306:   [(parse) (cone.sm1) pushfile] extension
                    307:   /cone.loaded 1 def
                    308:  } ifelse
                    309: /cone.comment [
                    310:   (Toric ideal for 1-simplex x 2-simplex, in k[x]) nl
                    311: ] cat def
                    312: %------------------Globals----------------------------------------
                    313: % Global: cone.type
                    314: % $B$I$N(B exponents $B$r<h$j=P$9$N$+;XDj$9$k(B.
                    315: % cf. exponents, gbext  h $B$d(B H $B$b8+$k$+(B?
                    316: % 0 : x,y,Dx,Dy
                    317: % 1 : x,y,Dx,Dy,h,H
                    318: % 2 : x,y,Dx,Dy,h
                    319: /cone.type 2 def
                    320:
                    321: % Global: cone.local
                    322: % cone.local: Local $B$+(B?  1 $B$J$i(B local
                    323: /cone.local 0 def
                    324:
                    325:
                    326: % Global: cone.h0
                    327: % cone.h0:  1 $B$J$i(B h $B$N(B weight 0 $B$G$N(B Grobner fan $B$r7W;;$9$k(B.
                    328: /cone.h0 1 def
                    329:
                    330: % ---------------  $BF~NO%G!<%?MQBg0hJQ?t$N@_Dj(B --------------------------
                    331: %
                    332: % cone.input : $BF~NOB?9`<07O(B
                    333: /cone.input
                    334:   [
                    335:     (x11 x22 - x12 x21) (x12 x23 - x13 x22)
                    336:     (x11 x23 - x13 x21)
                    337:   ]
                    338: def
                    339:
                    340: % cone.vlist : $BA4JQ?t$N%j%9%H(B
                    341: /cone.vlist [(x11) (x12) (x13) (x21) (x22) (x23)
                    342:              (Dx11) (Dx12) (Dx13) (Dx21) (Dx22) (Dx23) (h)] def
                    343:
                    344: % cone.vv : define_ring $B7A<0$NJQ?t%j%9%H(B.
                    345: /cone.vv (x11,x12,x13,x21,x22,x23) def
                    346:
                    347: % cone.parametrizeWeightSpace : weight $B6u4V$r(B parametrize $B$9$k4X?t(B.
                    348: %   $BBg0hJQ?t(B cone.W , cone.Wpos $B$b$-$^$k(B.
                    349: /cone.parametrizeWeightSpace {
                    350:   6 6 parametrizeSmallFan
                    351: } def
                    352:
                    353: % cone.w_start : weight$B6u4V$K$*$1$k(B weight $B$N=i4|CM(B.
                    354: % $B$3$NCM$G(B max dim cone $B$,F@$i$l$J$$$H(B random weight $B$K$h$k(B $B%5!<%A$,;O$^$k(B.
                    355: % random $B$K$d$k$H$-$O(B null $B$K$7$F$*$/(B.
                    356: /cone.w_start
                    357:   [9 8 5 4 5 6]
                    358: def
                    359:
                    360: % cone.gb : gb $B$r7W;;$9$k4X?t(B.
                    361: /cone.gb {
                    362:   cone.gb_Dh
                    363: } def
                    364:
                    365:
                    366:
                    367: ( ) message
                    368: cone.comment message
                    369: (cone.input = ) messagen cone.input message
                    370: (Type in getGrobnerFan) message
                    371: (Do clearGlobals if necessary) message
                    372: (printGrobnerFan ; saveGrobnerFan /ff set ff output ) message
                    373:
                    374: } def
                    375: %%%%%%>>>>>  $B=i4|%G!<%?$N@_DjNc$*$o$j(B >>>>>>>>>>>>>>>>>>>>>>
                    376:
1.1       takayama  377: % Global: cone.type
                    378: % $B$I$N(B exponents $B$r<h$j=P$9$N$+;XDj$9$k(B.
                    379: % cf. exponents, gbext  h $B$d(B H $B$b8+$k$+(B?
                    380: % 0 : x,y,Dx,Dy
                    381: % 1 : x,y,Dx,Dy,h,H
                    382: % 2 : x,y,Dx,Dy,h
                    383: /cone.type 2 def
                    384:
                    385: % Global: cone.local
                    386: % cone.local: Local $B$+(B?  1 $B$J$i(B local
                    387: /cone.local 1 def
                    388:
                    389: % Global: cone.h0
                    390: % cone.h0:  1 $B$J$i(B h $B$N(B weight 0 $B$G$N(B Grobner fan $B$r7W;;$9$k(B.
                    391: /cone.h0 1 def
                    392:
                    393: % Global: cone.n (number of variables in GB)
                    394: %         cone.m (freedom of the weight space. cf. cone.W)
                    395: %         cone.d (pointed cones lies in this space. cf. cone.Lp)
                    396: % These are set during getting the cone.startingCone
                    397:
                    398:
                    399: %<
                    400: % Usage:  wv g coneEq1
                    401: % in(f) $B$,(B monomial $B@lMQ(B.  in_w(f) = LT(f) $B$H$J$k(B weight w $B$NK~$?$9(B
                    402: % $BITEy<0@)Ls$r5a$a$k(B.
                    403: %>
                    404: /coneEq1 {
                    405:   /arg1 set
                    406:   [/g /eqs /gsize /i /j /n /f /exps /m  % Do not use "eq" as a variable
                    407:    /expsTop
                    408:   ] pushVariables
                    409:   [
                    410:     /g arg1 def  % Reduced Grobner basis
                    411:     /eqs [ ] def % $BITEy<07O$N78?t(B
                    412:     /gsize g length def
                    413:     0 1 gsize 1 sub {
                    414:       /i set
                    415:       g i get /f set  % f $B$O(B i $BHVL\$N(B reduced Grobner basis $B$N85(B
                    416:       [(exponents) f cone.type] gbext /exps set % exps $B$O(B f $B$N(B exponent vector
                    417:       exps length /m set
                    418:       m 1 eq not {
                    419:         /expsTop exps 0 get def % expsTop $B$O(B f $B$N@hF,$N(B exponent vector.
                    420:         1 1 exps length 1 sub {
                    421:            /j set
                    422:            eqs [expsTop exps j get  sub] join /eqs set
                    423:            % exps[0]-exps[j] $B$r(B eqs $B$X3JG<$7$F$$$/$@$1(B.
                    424:            % Cone $B$N(B closure $B$r$@$9$N$G(B  >= $B$G(B OK.
                    425:         } for
                    426:       } { } ifelse
                    427:     } for
                    428:     /arg1 eqs def
                    429:   ] pop
                    430:   popVariables
                    431:   arg1
                    432: } def
                    433:
                    434: %<
                    435: % Usage: ww g coneEq
                    436: % ww $B$O(B [v1 w1 v2 w2 ... ] $B7A<0(B. (v-w $B7A<0(B) w1, w2 $B$O(B univNumber $B$G$b$$$$(B.
                    437: % g $B$O(B reduced Grobner basis
                    438: % in(f) $B$,(B monomial $B$G$J$$>l9g$b07$&(B.
                    439: % in_w(f) = in_ww(f) $B$H$J$k(B weight w $B$NK~$?$9(B
                    440: % $BITEy<0@)Ls$r5a$a$k(B.
                    441: % ord_w, init (weightv) $B$rMQ$$$k(B.
                    442: %>
                    443: /coneEq {
                    444:   /arg2 set
                    445:   /arg1 set
                    446:   [/g /eqs /gsize /i /j /n /f /exps /m
                    447:    /expsTop /ww /ww2 /iterms
                    448:   ] pushVariables
                    449:   [
                    450:     /g arg2 def  % Reduced Grobner basis
                    451:     /ww arg1 def % weight vector. v-w $B7A<0(B
                    452:     ww to_int32 /ww set % univNum $B$,$"$l$P(B int32 $B$KD>$7$F$*$/(B.
                    453:     /ww2 ww weightv def  % v-w $B7A<0$r(B $B?t;z$N%Y%/%H%k$K(B. (init $BMQ(B)
                    454:
1.3       takayama  455:     /eqs null def % $BITEy<07O$N78?t(B
1.1       takayama  456:     /gsize g length def
                    457:     0 1 gsize 1 sub {
                    458:       /i set
                    459:       g i get /f set  % f $B$O(B i $BHVL\$N(B reduced Grobner basis $B$N85(B
                    460:       [(exponents) f cone.type] gbext /exps set % exps $B$O(B f $B$N(B exponent vector
                    461:       exps length /m set
                    462:       m 1 eq not {
                    463:         /expsTop exps 0 get def % expsTop $B$O(B f $B$N@hF,$N(B exponent vector.
                    464:         /iterms f ww2 init length def % f $B$N(B initial term $B$N9`$N?t(B.
                    465:         % in_ww(f) > f_j $B$H$J$k9`$N=hM}(B.
                    466:         iterms 1 exps length 1 sub {
                    467:            /j set
1.3       takayama  468:            expsTop exps j get sub    eqs cons /eqs set
1.1       takayama  469:            % exps[0]-exps[j] $B$r(B eqs $B$X3JG<$7$F$$$/(B.
                    470:         } for
                    471:         % in_ww(f) = f_j $B$H$J$k9`$N=hM}(B.
                    472:         [(exponents) f ww2 init cone.type] gbext /exps set % exps $B$O(B in(f)
                    473:         1 1 iterms 1 sub {
                    474:           /j set
1.3       takayama  475:           exps j get expsTop sub   eqs cons /eqs set
                    476:           expsTop exps j get sub   eqs cons /eqs set
1.1       takayama  477:           % exps[j]-exps[0], exps[0]-exps[j] $B$r3JG<(B.
                    478:           % $B7k2LE*$K(B (exps[j]-exps[0]).w = 0 $B$H$J$k(B.
                    479:         }  for
                    480:       } { } ifelse
                    481:     } for
1.3       takayama  482:     eqs listToArray reverse /eqs set
1.1       takayama  483:     /arg1 eqs def
                    484:   ] pop
                    485:   popVariables
                    486:   arg1
                    487: } def
                    488:
                    489: %<
                    490: % Usage: wv g coneEq genPo
                    491: % polymake $B7A<0$N(B INEQUALITIES $B$r@8@.$9$k(B.  coneEq -> genPo $B$HMxMQ(B
                    492: %>
                    493: /genPo {
                    494:   /arg1 set
                    495:   [/outConeEq /rr /nn /ii /mm /jj /ee] pushVariables
                    496:   [
                    497:     /outConeEq arg1 def
                    498:     /rr [(INEQUALITIES) nl] cat def % $BJ8;zNs(B rr $B$KB-$7$F$$$/(B.
                    499:     outConeEq length /nn set
                    500:     0 1 nn 1 sub {
                    501:       /ii set
                    502:       outConeEq ii get /ee set
                    503:       [ rr
                    504:         (0 )    % $BHs$;$$$8MQ$N(B 0 $B$r2C$($k(B.
                    505:         0 1 ee length 1 sub {
                    506:           /jj set
                    507:           ee jj get toString ( )
                    508:         } for
                    509:         nl
                    510:       ] cat /rr set
                    511:     } for
                    512:     /arg1 rr def
                    513:   ] pop
                    514:   popVariables
                    515:   arg1
                    516: } def
                    517:
                    518: %<
                    519: % Usage: wv g coneEq genPo2
                    520: % doPolyamke $B7A<0$N(B INEQUALITIES $B$r@8@.$9$k(B.  coneEq -> genPo2 $B$HMxMQ(B
                    521: % tfb $B7A<0J8;zNs(B.
                    522: %>
                    523: /genPo2 {
                    524:   /arg1 set
                    525:   [/outConeEq /rr /nn /ii /mm /jj /ee] pushVariables
                    526:   [
                    527:     /outConeEq arg1 def
                    528:     /rr $polymake.data(polymake.INEQUALITIES([$ def
                    529:     % $BJ8;zNs(B rr $B$KB-$7$F$$$/(B.
                    530:     outConeEq length /nn set
                    531:     0 1 nn 1 sub {
                    532:       /ii set
                    533:       outConeEq ii get /ee set
                    534:       [ rr
                    535:         ([0,)   % $BHs$;$$$8MQ$N(B 0 $B$r2C$($k(B.
                    536:         0 1 ee length 1 sub {
                    537:           /jj set
                    538:           ee jj get toString
                    539:           jj ee length 1 sub eq { } { (,) } ifelse
                    540:         } for
                    541:         (])
                    542:         ii nn 1 sub eq { } { (,) } ifelse
                    543:       ] cat /rr set
                    544:     } for
                    545:     [rr $]))$ ] cat /rr set
                    546:     /arg1 rr def
                    547:   ] pop
                    548:   popVariables
                    549:   arg1
                    550: } def
                    551:
                    552: /test1 {
                    553:   [(x,y) ring_of_differential_operators 0] define_ring
                    554:   [ (x + y + Dx + Dy).
                    555:     (x ^2 Dx^2 + y^2 Dy^2).
                    556:     (x).
                    557:   ] /gg set
                    558:   gg coneEq1 /ggc set
                    559:   gg message
                    560:   ggc pmat
                    561:
                    562:   ggc genPo message
                    563: } def
                    564:
                    565: /test2 {
                    566:   [(parse) (dhecart.sm1) pushfile] extension
                    567:   dh.test.p1 /ff set
                    568:   ff 0 get coneEq1 /ggc set
                    569:   ggc message
                    570:   ggc genPo /ss set
                    571:   ss message
                    572:   (Data is in ss) message
                    573: } def
                    574:
                    575:
                    576: /test3 {
                    577: %  [(parse) (cohom.sm1) pushfile] extension
                    578:   /ww [(Dx) 1 (Dy) 1] def
                    579:   [(x,y) ring_of_differential_operators
                    580:    [ww] weight_vector
                    581:    0] define_ring
                    582:   [ (x Dx + y Dy -1).
                    583:     (y^2 Dy^2 + 2 + y Dy ).
                    584:   ] /gg set
                    585:   gg {homogenize} map /gg set
                    586:   [gg] groebner 0 get /gg set
                    587:   ww message
                    588:   ww gg coneEq /ggc set
                    589:   gg message
                    590:   ggc pmat
                    591:
                    592:   ggc genPo message
                    593: } def
                    594:
                    595: %<
                    596: % Usage: test3b
                    597: % Grobner cone $B$r7hDj$7$F(B, polymake $BMQ$N%G!<%?$r@8@.$9$k%F%9%H(B.
                    598: % weight (0,0,1,1) $B$@$H(B max dim cone $B$G$J$$(B.
                    599: %>
                    600: /test3b {
                    601: %  [(parse) (cohom.sm1) pushfile] extension
                    602:   /ww [(Dx) 1 (Dy) 2] def
                    603:   [(x,y) ring_of_differential_operators
                    604:    [ww] weight_vector
                    605:    0] define_ring
                    606:   [ (x Dx + y Dy -1).
                    607:     (y^2 Dy^2 + 2 + y Dy ).
                    608:   ] /gg set
                    609:   gg {homogenize} map /gg set
                    610:   [gg] groebner 0 get /gg set
                    611:   ww message
                    612:   ww gg coneEq /ggc set
                    613:   gg message
                    614:   ggc pmat
                    615:
                    616: %  ggc genPo /ggs set % INEQ $B$rJ8;zNs7A<0$G(B
                    617: %  ggs message
                    618: %  ggs output
                    619: %  (mv sm1out.txt test3b.poly) system
                    620: %  (Type in polymake-pear.sh test3b.poly FACETS) message
                    621:
                    622:    ggc genPo2 /ggs set % INEQ $B$rJ8;zNs7A<0(B for doPolymake
                    623:    ggs message
                    624:
                    625: } def
                    626:
                    627: % commit (dr.sm1):  lcm, denominator, ngcd, to_univNum,  numerator, reduce
                    628: %  8/22,  changelog-ja $B$^$@(B.
                    629: % to do : nnormalize_vec,  sort_vec --> shell $B$G(B OK.
                    630: % 8/27, getNode
                    631:
                    632: /test4 {
                    633:  $polymake.data(polymake.INEQUALITIES([[0,1,0,0],[0,0,1,0]]))$ /ff set
                    634:  [(FACETS) ff] doPolymake /rr set
                    635:
                    636:  rr 1 get /rr1 set
                    637:  rr1 getLinearitySubspace pmat
                    638:
                    639: } def
                    640:
                    641: %<
                    642: % Usage: vv ineq isInLinearSpace
                    643: %        vv $B$,(B ineq[i] > 0 $B$GDj5A$5$l$kH>6u4V$N$I$l$+$K$O$$$C$F$$$k$J$i(B 0
                    644: %        vv $B$,(B $BA4$F$N(B i $B$K$D$$$F(B ineq[i] = 0 $B$K$O$$$C$F$$$?$i(B 1.
                    645: %>
                    646: /isInLinearSpace {
                    647:   /arg2 set
                    648:   /arg1 set
                    649:   [/vv /ineq /ii /rr] pushVariables
                    650:   [
                    651:     /vv arg1 def
                    652:     /ineq arg2 def
                    653:     /rr 1 def
                    654:     {
                    655:        0 1 ineq length 1 sub {
                    656:          /ii set
                    657:          % vv . ineq[ii] != 0 $B$J$i(B vv $B$O(B linearity space $B$N85$G$J$$(B.
                    658:          vv ineq ii get mul to_univNum isZero {
                    659:          } { /rr 0 def exit} ifelse
                    660:        } for
                    661:        exit
                    662:     } loop
                    663:     /arg1 rr def
                    664:   ] pop
                    665:   popVariables
                    666:   arg1
                    667: } def
                    668:
                    669: %<
                    670: % Usages: doPolymakeObj getLinearitySubspace
                    671: % INEQUALITIES $B$H(B VERTICES $B$+$i(B maximal linearity subspace
                    672: % $B$N@8@.%Y%/%H%k$r5a$a$k(B.
                    673: % $BNc(B: VERTICES [[0,1,0,0],[0,0,1,0],[0,0,0,-1],[0,0,0,1]]]
                    674: % $BNc(B: INEQUALITIES [[0,1,0,0],[0,0,1,0]]
                    675: % $BF~NO$O(B polymake $B$N(B tree (doPolymake $B$N(B 1 get)
                    676: %>
                    677: /getLinearitySubspace {
                    678:   /arg1 set
                    679:   [/pdata /vv /ineq /rr /ii] pushVariables
                    680:   [
                    681:      /pdata arg1 def
                    682:      {
                    683:        /rr [ ] def
                    684:        % POINTED $B$J$i(B max lin subspace $B$O(B 0.
                    685:        pdata (POINTED) getNode tag 0 eq { } { exit} ifelse
                    686:
                    687:        pdata (INEQUALITIES) getNode 2 get 0 get /ineq set
                    688:        pdata (VERTICES) getNode 2 get 0 get /vv set
                    689:        0 1 vv length 1 sub {
                    690:          /ii set
                    691:          % -vv[ii] $B$,(B ineq $B$rK~$?$9$+D4$Y$k(B.
                    692:          vv ii get ineq  isInLinearSpace {
                    693:             rr  [vv ii get] join /rr set
                    694:          } {  } ifelse
                    695:        } for
                    696:        exit
                    697:      } loop
                    698:      /arg1 rr def
                    699:   ] pop
                    700:   popVariables
                    701:   arg1
                    702: } def
                    703:
                    704: %<
                    705: % Usages: mm asir_matrix_image
                    706: % $B@8@.85$h$j@~7A6u4V$N4pDl$rF@$k(B.
                    707: %>
                    708: /asir_matrix_image {
                    709:   /arg1 set
                    710:   [/mm /rr] pushVariables
                    711:   [(CurrentRingp)] pushEnv
                    712:   [
                    713:     /mm arg1 def
                    714:     mm to_univNum /mm set
                    715:     oxasir.ccc [ ] eq {
                    716:        (Starting ox_asir server.) message
                    717:         ox_asirConnectMethod
                    718:     } {  } ifelse
                    719:     {
                    720:      oxasir.ccc [(matrix_image) mm] asir
                    721:      /rr set
                    722:      rr null_to_zero /rr set
                    723:      exit
                    724:
                    725:      (asir_matrix_image: not implemented) error exit
                    726:     } loop
                    727:
                    728:     rr numerator /rr set
                    729:     /arg1 rr def
                    730:   ] pop
                    731:   popEnv
                    732:   popVariables
                    733:   arg1
                    734: } def
                    735: [(asir_matrix_image)
                    736:  [(Calling the function matrix_image of asir. It gets a reduced basis of a given matrix.)
                    737:   (Example:  [[1 2 3] [2 4 6]] asir_matrix_image)
                    738: ]] putUsages
                    739:
                    740: %<
                    741: % Usages: mm asir_matrix_kernel
                    742: % $BD>8r$9$k6u4V$N4pDl(B.
                    743: %>
                    744: /asir_matrix_kernel {
                    745:   /arg1 set
                    746:   [/mm /rr] pushVariables
                    747:   [(CurrentRingp)] pushEnv
                    748:   [
                    749:     /mm arg1 def
                    750:     mm to_univNum /mm set
                    751:     oxasir.ccc [ ] eq {
                    752:        (Starting ox_asir server.) message
                    753:         ox_asirConnectMethod
                    754:     } {  } ifelse
                    755:     {
                    756:      oxasir.ccc [(matrix_kernel) mm] asir
                    757:      /rr set
                    758:      rr null_to_zero /rr set
                    759:      exit
                    760:
                    761:      (asir_matrix_image: not implemented) error exit
                    762:     } loop
                    763:     rr 1 get numerator /rr set
                    764:     /arg1 rr def
                    765:   ] pop
                    766:   popEnv
                    767:   popVariables
                    768:   arg1
                    769: } def
                    770: [(asir_matrix_kernel)
                    771:  [(Calling the function matrix_kernel of asir.)
                    772:   (It gets a reduced basis of the kernel of a given matrix.)
                    773:   (Example:  [[1 2 3] [2 4 6]] asir_matrix_kernel)
                    774: ]] putUsages
                    775:
                    776: %<
                    777: % Usages: v null_to_zero
                    778: %>
                    779: /null_to_zero {
                    780:   /arg1 set
                    781:   [/pp /rr] pushVariables
                    782:   [
                    783:     /pp arg1 def
                    784:     {
                    785:       /rr pp def
                    786:       pp isArray {
                    787:        pp {null_to_zero} map /rr set
                    788:        exit
                    789:       }{ } ifelse
                    790:
                    791:       pp tag 0 eq {
                    792:         /rr (0).. def
                    793:         exit
                    794:       }{  } ifelse
                    795:       exit
                    796:     } loop
                    797:     /arg1 rr def
                    798:   ] pop
                    799:   popVariables
                    800:   arg1
                    801: } def
                    802: [(null_to_zero)
                    803: [(obj null_to_zero rob)
                    804:  $It translates null to (0)..$
                    805: ]] putUsages
                    806:
1.4       takayama  807: %<
                    808: % Usages: newVector.with-1
                    809: % (-1).. $B$GKd$a$?%Y%/%H%k$r:n$k(B.
                    810: %>
                    811: /newVector.with-1 {
                    812:   newVector { pop (-1).. } map
                    813: } def
                    814:
                    815:
1.1       takayama  816: % [2 0] lcm $B$O(B 0 $B$r$b$I$9$,$$$$$+(B? --> OK.
                    817:
                    818: %<
                    819: % Usages: mm addZeroForPolymake
                    820: % $B0J2<$NFs$D$N4X?t$O(B,  toQuotientSpace $B$K$bMxMQ(B.
                    821: % Polymake INEQUALITIES $BMQ$K(B 0 $B$r;O$a$KB-$9(B.
                    822: % $BF~NO$O(B $B%j%9%H$N%j%9%H(B
                    823: % [[1,2], [3,4],[5,6]] --> [[0,1,2],[0,3,4],[0,5,6]]
                    824: %>
                    825: /addZeroForPolymake {
                    826:   /arg1 set
                    827:   [/mm /rr] pushVariables
                    828:   [
                    829:     /mm arg1 def
                    830:     mm to_univNum /mm set
                    831:     mm { [(0)..] 2 1 roll join } map /mm set
                    832:     /arg1 mm def
                    833:   ] pop
                    834:   popVariables
                    835:   arg1
                    836: } def
                    837:
                    838: %<
                    839: % Usages: mm cone.appendZero
                    840: %>
                    841: /cone.appendZero {
                    842:   /arg1 set
                    843:   [/mm /rr] pushVariables
                    844:   [
                    845:     /mm arg1 def
                    846:     mm to_univNum /mm set
                    847:     mm { [(0)..] join } map /mm set
                    848:     /arg1 mm def
                    849:   ] pop
                    850:   popVariables
                    851:   arg1
                    852: } def
                    853:
                    854: %<
                    855: % Usages: mm removeFirstFromPolymake
                    856: % $B;O$a$N(B 0 $B$r<h$j=|$/(B.
                    857: % $BF~NO$O(B $B%j%9%H$N%j%9%H(B
                    858: % [[0,1,2],[0,3,4],[0,5,6]] ---> [[1,2], [3,4],[5,6]]
                    859: %>
                    860: /removeFirstFromPolymake {
                    861:   /arg1 set
                    862:   [/mm /rr] pushVariables
                    863:   [
                    864:     /mm arg1 def
                    865:     mm to_univNum /mm set
                    866:     mm {rest} map /mm set
                    867:     /arg1 mm def
                    868:   ] pop
                    869:   popVariables
                    870:   arg1
                    871: } def
                    872:
                    873: %<
                    874: % Usages: mm genUnit
                    875: % [1,0,0,...] $B$r2C$($k$?$a$K@8@.(B.
                    876: % [[0,1,2], [0,3,4],[0,5,6]]--> [1,0,0]
                    877: %>
                    878: /genUnit {
                    879:   /arg1 set
                    880:   [/mm /rr /i] pushVariables
                    881:   [
                    882:     /mm arg1 def
                    883:     mm 0 get length newVector /rr set
                    884:     rr null_to_zero /rr set
                    885:     rr 0 (1).. put
                    886:     /arg1 rr def
                    887:   ] pop
                    888:   popVariables
                    889:   arg1
                    890: } def
                    891:
                    892: %<
                    893: % Usages: mm genUnitMatrix
                    894: % [[0,1,2], [0,3,4],[0,5,6]]--> [[1,0,0],[0,1,0],[0,0,1]]
                    895: %>
                    896: /genUnitMatrix {
                    897:   /arg1 set
                    898:   [/mm /rr /nn /i] pushVariables
                    899:   [
                    900:     /mm arg1 def
                    901:     mm 0 get length /nn set
                    902:     [
                    903:       0 1 nn 1 sub {
                    904:         /i set
                    905:         nn newVector null_to_zero /mm set
                    906:         mm i (1).. put
                    907:         mm
                    908:       } for
                    909:     ]
                    910:     /arg1 set
                    911:   ] pop
                    912:   popVariables
                    913:   arg1
                    914: } def
                    915:
                    916: %<
                    917: %%note:  2004, 8/29 (sun)
                    918: % toQuotientSpace : Linearity space $B$G3d$k(B.
                    919: % Usages: ineq mm toQuotientSpace
                    920: % $BF~NO$O(B coneEq $B$N=PNO(B ineq
                    921: % $B$*$h$S(B doPolymake --> getLinearitySubspace ==> L
                    922: %  [L,[1,0,0,...]] asir_matrix_kernel removeFirstFromPolymake $B$GF@$i$l$?(B mm
                    923: % $B=PNO$+$i(B 0 $B%Y%/%H%k$O:o=|(B.
                    924: % $B=PNO$b(B coneEq $B7A<0(B.  $BFC$K(B polymake $BMQ$K(B 0 $B$r2C$($k$N$,I,MW(B.
                    925: % ref: getUnit, removeFirstFromPolymake, addZeroForPolymake,
                    926: %      asir_matrix_kernel, getLinearitySubspace
                    927: %>
                    928: /toQuotientSpace {
                    929:   /arg2 set
                    930:   /arg1 set
                    931:   [/ineq /mm /rr] pushVariables
                    932:   [
                    933:     /ineq arg1 def
                    934:     /mm arg2 def
                    935:
                    936:     ineq mm transpose mul /rr set
                    937:
                    938:     /arg1 rr def
                    939:   ] pop
                    940:   popVariables
                    941:   arg1
                    942: } def
                    943:
                    944: /test5.data
                    945:  $polymake.data(polymake.INEQUALITIES([[0,1,-1,1,-1,0],[0,0,-1,0,-1,2],[0,0,-1,0,-1,2],[0,0,-2,0,-2,4],[0,-1,0,-1,0,2],[0,-2,0,-2,0,4]]),polymake.VERTICES([[0,0,-1,0,0,0],[0,-1,-1,0,0,0],[0,1,0,-1,0,0],[0,-1,0,1,0,0],[0,0,1,0,-1,0],[0,0,-1,0,1,0],[0,-2,-2,0,0,-1],[0,2,2,0,0,1]]),polymake.FACETS([[0,1,-1,1,-1,0],[0,-1,0,-1,0,2]]),polymake.AFFINE_HULL(),polymake.FEASIBLE(),polymake.NOT__POINTED(),polymake.FAR_FACE([polymake._set([0,1,2,3,4,5,6,7])]),polymake.VERTICES_IN_INEQUALITIES([polymake._set([1,2,3,4,5,6,7]),polymake._set([2,3,4,5,6,7]),polymake._set([2,3,4,5,6,7]),polymake._set([2,3,4,5,6,7]),polymake._set([0,2,3,4,5,6,7]),polymake._set([0,2,3,4,5,6,7])]),polymake.DIM([[5]]),polymake.AMBIENT_DIM([[5]]))$
                    946: def
                    947: %<
                    948: % Usages: test5
                    949: %% getConeInfo $B$rJQ99$9$l$P(B polymake $B$r8F$P$:$K%F%9%H$G$-$k(B.
                    950: %>
                    951: /test5 {
                    952:   % test3b $B$h$j(B
                    953:   /ww [(Dx) 1 (Dy) 2] def
                    954: %  /ww [(x) 1 (y) -2 (Dx) 3 (Dy) 6] def
                    955:   [(x,y) ring_of_differential_operators
                    956:    [ww] weight_vector
                    957:    0] define_ring
                    958:   [ (x Dx + y Dy -1).
                    959:     (y^2 Dy^2 + 2 + y Dy ).
                    960:   ] /gg set
                    961:   gg {homogenize} map /gg set
                    962:   [(AutoReduce) 1] system_variable
                    963:   [gg] groebner 0 get /gg set
                    964:   ww message
                    965:
                    966:   ww gg coneEq getConeInfo /rr set
                    967:   (Type in rr 0 get :: ) message
                    968: } def
                    969: %[5, [[1,0,1,0,-2],[0,1,0,1,-2]], $NOT__POINTED$ ]
                    970: % $B$3$N>l9g$O(B 2 $B<!85$^$GMn$9$H(B pointed cone $B$K$J$k(B.
                    971: %  coneEq mmc transpose $B$r$b$H$K(B FACETS $B$r7W;;$9$l$P$h$$(B.
                    972:
                    973: %<
                    974: % Usage: ceq getConeInfo
                    975: % vw $B$O(B [v1 w1 v2 w2 ... ] $B7A<0(B. (v-w $B7A<0(B) w1, w2 $B$O(B univNumber $B$G$b$$$$(B.
                    976: % g $B$O(B reduced Grobner basis $B$H$7$F(B vw g coneEq $B$r7W;;(B. $B$3$l$r(B getConeInfo $B$X(B.
                    977: % Grobner cone $B$N(B $B<!85(B cdim (DIM), $BJd6u4V(B (linearity space ) $B$X$N9TNs(B mmc
                    978: % linearity space $B<+BN(B, pointed or not__pointed
                    979: % $B$D$^$j(B [cdim, L', L, PointedQ]
                    980: % $B$r7W;;$7$FLa$9(B.  (polymake $B7A<0$NM>J,$JItJ,$J$7(B)
                    981: % polymake $BI,MW(B.
                    982: % ref: coneEq
                    983: % Global:
                    984: % cone.getConeInfo.rr0, cone.getConeInfo.rr1 $B$K(B polymake $B$h$j$NLa$jCM$,$O$$$k(B.
                    985: %>
                    986: /getConeInfo {
                    987:   /arg1 set
                    988:   [/ww /g /ceq /ceq2 /cdim /mmc /mmL /rr /ineq /ppt] pushVariables
                    989:   [
                    990:      /ceq arg1 def
                    991:      ceq pruneZeroVector /ceq set
                    992:      ceq genPo2 /ceq2 set
                    993:      % ceq2 $B$O(B polymake.data(polymake.INEQUALITIES(...)) $B7A<0(B
                    994:      % polymake $B$G(B ceq2 $B$N<!85$N7W;;(B.
                    995:      /getConeInfo.ceq  ceq def /getConeInfo.ceq2 ceq2 def
                    996:
                    997:      cone.debug { (Calling polymake DIM.) message } { } ifelse
                    998:      [(DIM) ceq2] doPolymake 1 get /rr set
                    999:      cone.debug {(Done.) message } {  } ifelse
                   1000: % test5 $B$K$O<!$N%3%a%s%H$H$j$5$k(B. $B>e$N9T$r%3%a%s%H%"%&%H(B.
                   1001: %     test5.data tfbToTree /rr set
                   1002:      /cone.getConeInfo.rr0 rr def
                   1003:
                   1004:      rr (DIM) getNode /cdim set
                   1005:      cdim 2 get 0 get 0 get 0 get to_univNum /cdim set
                   1006:      % polymake $B$N(B DIM $B$O0l$D>.$5$$$N$G(B 1 $BB-$9(B.
                   1007:      cdim (1).. add /cdim set
                   1008:
                   1009:      rr (FACETS) getNode tag 0 eq {
                   1010:      % FACETS $B$r;}$C$F$$$J$$$J$i:FEY7W;;$9$k(B.
                   1011:      % POINTED, NOT__POINTED $B$bF@$i$l$k(B
                   1012:        cone.debug { (Calling polymake FACETS.) message } { } ifelse
                   1013:        [(FACETS) ceq2] doPolymake 1 get /rr set
                   1014:        cone.debug { (Done.) message } { } ifelse
                   1015:    } {  } ifelse
                   1016:
                   1017:      rr (VERTICES) getNode tag 0 eq {
                   1018:        (internal error: VERTICES is not found.) error
                   1019:      } {  } ifelse
                   1020:
                   1021:      /cone.getConeInfo.rr1 rr def
                   1022:
                   1023:      rr (NOT__POINTED) getNode tag 0 eq {
                   1024:        % cone $B$,(B pointed $B$N;~$O(B mmc $B$OC10L9TNs(B. genUnitMatrix $B$r;H$&(B.
                   1025:        % VERTICES $B$h$j0l$D>.$5$$%5%$%:(B.
                   1026:        /mmc
                   1027:          [ rr (VERTICES) getNode 2 get 0 get 0 get rest]
                   1028:          genUnitMatrix
                   1029:        def
                   1030:        /mmL [ ] def
                   1031:        /ppt (POINTED) def
                   1032:      } {
                   1033:        % pointed $B$G$J$$>l9g(B,
                   1034:        % cone $B$N@~7AItJ,6u4V$r7W;;(B.
                   1035:        rr getLinearitySubspace /mmL set
                   1036:        [mmL genUnit] mmL join /mmc set % [1,0,0,...] $B$rB-$9(B.
                   1037:         mmc  asir_matrix_kernel  /mmc set % $BJd6u4V(B
                   1038:         mmc removeFirstFromPolymake /mmc set   % $B$R$H$D>.$5$$%5%$%:$K(B.
                   1039:
                   1040:        [mmL genUnit] mmL join asir_matrix_image
                   1041:         removeFirstFromPolymake /mmL set
                   1042:         mmL asir_matrix_image /mmL set  % Linearity space $B$r5a$a$k(B. rm 0vector
                   1043:         /ppt (NOT__POINTED) def
                   1044:      } ifelse
                   1045:      /arg1 [[cdim mmc mmL ppt] rr] def
                   1046:   ] pop
                   1047:   popVariables
                   1048:   arg1
                   1049: } def
                   1050:
                   1051:
                   1052: /test.put {
                   1053:   /dog [(dog) [[(legs) 4] ] [1 2 3 ]] [(class) (tree)] dc def
                   1054:   /man [(man) [[(legs) 2] ] [1 2 3 ]] [(class) (tree)] dc def
                   1055:   /ma [(mammal) [ ] [man dog]] [(class) (tree)] dc def
                   1056:   /fan [ma 1 copy] def
                   1057:   ma (dog) getNode /dd set
                   1058:   dd 2 get /dd2 set
                   1059:   dd2 1 0 put
                   1060:   ma message
                   1061:
                   1062:   fan message
                   1063: } def
                   1064:
                   1065: /test6.data
                   1066:  $polymake.data(polymake.INEQUALITIES([[0,1,-1,1,-1,0],[0,0,-1,0,-1,2],[0,0,-1,0,-1,2],[0,0,-2,0,-2,4],[0,-1,0,-1,0,2],[0,-2,0,-2,0,4]]),polymake.VERTICES([[0,0,-1,0,0,0],[0,-1,-1,0,0,0],[0,1,0,-1,0,0],[0,-1,0,1,0,0],[0,0,1,0,-1,0],[0,0,-1,0,1,0],[0,-2,-2,0,0,-1],[0,2,2,0,0,1]]),polymake.FACETS([[0,1,-1,1,-1,0],[0,-1,0,-1,0,2]]),polymake.AFFINE_HULL(),polymake.FEASIBLE(),polymake.NOT__POINTED(),polymake.FAR_FACE([polymake._set([0,1,2,3,4,5,6,7])]),polymake.VERTICES_IN_INEQUALITIES([polymake._set([1,2,3,4,5,6,7]),polymake._set([2,3,4,5,6,7]),polymake._set([2,3,4,5,6,7]),polymake._set([2,3,4,5,6,7]),polymake._set([0,2,3,4,5,6,7]),polymake._set([0,2,3,4,5,6,7])]))$
                   1067: def
                   1068: % tfbToTree
                   1069:
                   1070: /arrayToTree { [(class) (tree)] dc } def
                   1071:
                   1072: %<
                   1073: % polymake $B$h$jF@$i$l$?(B TreeObject $B$+$i(B TreeObject cone $B$r@8@.$9$k(B.
                   1074: % Usages: test6.data tfbToTree newCone $B$GF0:n%F%9%H(B
                   1075: %>
                   1076: /test6 {
                   1077:   test6.data tfbToTree /rr set
                   1078:   rr newCone /rr2 set
                   1079: } def
                   1080:
                   1081: %<
                   1082: % Usages: doPolymakeObj newCone
                   1083: %>
                   1084: /newCone {
                   1085:   /arg1 set
                   1086:   [/polydata /cone /facets /vertices /flipped /ineq
                   1087:    /facetsv /rr] pushVariables
                   1088:   [
                   1089:     /polydata arg1 def
                   1090:     polydata (FACETS) getNode tag 0 eq {
                   1091:       (newCone : no FACETS data.) error
                   1092:     } {  } ifelse
                   1093: % facets $B$OM-M}?t$N>l9g@55,2=$9$k(B.  data/test11 $B$G(B $BM-M}?t$G$k(B.
                   1094:     polydata (FACETS) getNode 2 get 0 get to_univNum
                   1095:     { nnormalize_vec} map /facets set
                   1096:     [[ ] ] facets join shell rest removeFirstFromPolymake /facets set
1.2       takayama 1097:     facets length 0 eq
                   1098:     {(Internal  error. Facet data is not obtained. See OpenXM_tmp.) error} { } ifelse
1.1       takayama 1099: % vertices $B$O(B cone $B$N>e$K$"$k$N$G@0?tG\(B OK. $B@55,$+$9$k(B.
                   1100:     polydata (VERTICES) getNode 2 get 0 get to_univNum
                   1101:     { nnormalize_vec} map /vertices set
                   1102:     [[ ] ] vertices join shell rest removeFirstFromPolymake /vertices set
                   1103: % inequalities $B$OM-M}?t$N>l9g@55,2=$9$k(B.
                   1104:     polydata (INEQUALITIES) getNode 2 get 0 get to_univNum
                   1105:     { nnormalize_vec } map /ineq set
                   1106:     [[ ] ] ineq join shell rest removeFirstFromPolymake /ineq set
                   1107:
1.4       takayama 1108: % nextcid, nextfid $B$r2C$($k(B.  nextcid $B$O(B nextConeId $B$NN,(B. $B$H$J$j$N(B cone $BHV9f(B.
                   1109: %                           nextfid $B$O(B nextFacetId $B$NN,(B. $B$H$J$j$N(B cone $B$N(B facet
                   1110: %                            $BHV9f(B.
1.1       takayama 1111:     [(cone) [ ]
                   1112:      [
                   1113:       [(facets) [ ] facets]  arrayToTree
                   1114:       [(flipped) [ ] facets length newVector null_to_zero] arrayToTree
                   1115:       [(facetsv) [ ] facets vertices newCone_facetsv] arrayToTree
1.4       takayama 1116:       [(nextcid) [ ] facets length newVector.with-1 ] arrayToTree
                   1117:       [(nextfid) [ ] facets length newVector.with-1 ] arrayToTree
1.1       takayama 1118:       [(vertices) [ ] vertices]  arrayToTree
                   1119:       [(inequalities) [ ] ineq] arrayToTree
                   1120:      ]
                   1121:     ] arrayToTree /cone set
                   1122:     /arg1 cone def
                   1123:   ] pop
                   1124:   popVariables
                   1125:   arg1
                   1126: } def
                   1127:
                   1128: %<
                   1129: % Usages: newCone_facetv
                   1130: % facet vertices newCone_facetv
                   1131: % facet $B$K$N$C$F$$$k(B vertices $B$r$9$Y$FNs5s(B.
                   1132: %>
                   1133: /newCone_facetv {
                   1134:   /arg2 set
                   1135:   /arg1 set
                   1136:   [/facet /vertices] pushVariables
                   1137:   [
                   1138:     /facet arg1 def /vertices arg2 def
                   1139:     [
                   1140:       0 1 vertices length 1 sub {
                   1141:          /ii set
                   1142:          facet vertices ii get mul isZero
                   1143:          { vertices ii get } {  } ifelse
                   1144:       } for
                   1145:     ]
                   1146:     /arg1 set
                   1147:   ] pop
                   1148:   popVariables
                   1149:   arg1
                   1150: } def
                   1151:
                   1152: %<
                   1153: % Usages: newCone_facetsv
                   1154: % facets vertices newCone_facetv
                   1155: % facets $B$K$N$C$F$$$k(B vertices $B$r$9$Y$FNs5s(B. $B%j%9%H$r:n$k(B.
                   1156: %>
                   1157: /newCone_facetsv {
                   1158:   /arg2 set
                   1159:   /arg1 set
                   1160:   [/facets /vertices] pushVariables
                   1161:   [
                   1162:     /facets arg1 def /vertices arg2 def
                   1163:     facets { vertices newCone_facetv } map
                   1164:     /arg1 set
                   1165:   ] pop
                   1166:   popVariables
                   1167:   arg1
                   1168: } def
                   1169:
                   1170: %<
1.2       takayama 1171: % Usages: [gb weight] newConeGB
                   1172: %  gb $B$H(B weight $B$r(B tree $B7A<0$K$7$F3JG<$9$k(B.
                   1173: %>
                   1174: /newConeGB {
                   1175:   /arg1 set
                   1176:   [/gbdata  /gg /ww /rr] pushVariables
                   1177:   [
                   1178:     /gbdata arg1 def
                   1179: % gb
                   1180:     gbdata 0 get /gg set
                   1181: % weight
                   1182:     gbdata 1 get /ww set
                   1183: %
                   1184:     [(coneGB) [ ]
                   1185:      [
                   1186:       [(grobnerBasis) [ ] gg]  arrayToTree
                   1187:       [(weight) [ ] [ww]] arrayToTree
                   1188:       [(initial) [ ] gg { ww 2 get weightv init } map ] arrayToTree
                   1189:      ]
                   1190:     ] arrayToTree /rr set
                   1191:     /arg1 rr def
                   1192:   ] pop
                   1193:   popVariables
                   1194:   arg1
                   1195: } def
                   1196:
                   1197: %<
1.1       takayama 1198: % Usages: cone_random
                   1199: %>
                   1200: /cone_random.start  (2)..  def
                   1201: /cone_random {
                   1202:   [(tdiv_qr)
                   1203:    cone_random.start  (1103515245).. mul
                   1204:    (12345).. add
                   1205:
                   1206:    (2147483646)..
                   1207:   ] mpzext 1 get /cone_random.start set
                   1208:   cone_random.start
                   1209: } def
                   1210:
                   1211: /cone_random.limit 40 def
                   1212: /cone_random_vec {
                   1213:   /arg1 set
                   1214:   [/nn /rr] pushVariables
                   1215:   [
                   1216:     /nn arg1 def
                   1217:     [
                   1218:       0 1 nn 1 sub {
                   1219:         pop
                   1220:         [(tdiv_qr) cone_random  cone_random.limit] mpzext 1 get
                   1221:       } for
                   1222:     ] /arg1 set
                   1223:   ] pop
                   1224:   popVariables
                   1225:   arg1
                   1226: } def
                   1227:
                   1228: %<
                   1229: % Usages: getNewRandomWeight
                   1230: %%  max dim $B$N(B cone $B$r@8@.$9$k$?$a$K(B, random $B$J(B weight $B$r@8@.$9$k(B.
                   1231: %%  h, H  $B$N=hM}$bI,MW(B.
                   1232: %% $B@)Ls>r7o(B u+v >= 2t $B$r$_$?$9(B weight $B$,I,MW(B. $B$3$l$r$I$N$h$&$K:n$k$N$+(B?
                   1233: %>
                   1234: /getNewRandomWeight {
                   1235:   /arg1 set
                   1236:   [/vv /vvd /rr] pushVariables
                   1237:   [
                   1238:     /vv arg1 def
                   1239:     vv { (D) 2 1 roll 2 cat_n } map /vvd set
                   1240:   ] pop
                   1241:   popVariables
                   1242:   arg1
                   1243: } def
                   1244:
                   1245: % test7 : univNum $B$N(B weight $B$,@5$7$/G'<1$5$l$k$+$N%F%9%H(B
                   1246: % aux-cone.sm1
                   1247:
                   1248: %<
                   1249: % Usages: n d coneEqForSmallFan.2  (cone.type 2 $B@lMQ(B:  x,y,Dx,Dy,h)
                   1250: %  n $BJQ?t$N?t(B,  d zero $B$K$7$J$$JQ?t$N?t(B.  d $B$O(B max dim cone $B$N<!85$H$J$k(B.
                   1251: %  $B$O$8$a$+$i(B d $B8D$NJQ?t(B.
                   1252: % 4, 2 , s,t,x,y $B$J$i(B weight $B$O(B s,t,Ds,Dt $B$N$_(B.
                   1253: % u_i + v_i >= 0 ,  u_i = v_i = 0.
                   1254: % homog $BJQ?t$N>r7o(B u_i+v_i >= t, i.e, -t >= 0  $B$bF~$l$k(B.
                   1255: %  coneEq $B$N7k2L$H(B coneEqForSmallFan.2 $B$N7k2L$r(B join $B$7$F(B
                   1256: %  getConeInfo or newCone
                   1257: % note-cone.sm1  2004.8.31 $B$r8+$h(B.  w_ineq $B$"$?$j(B.
                   1258: % cone.local $B$,@_Dj$5$l$F$$$k$H(B u_i <= 0 $B$b>r7o$KF~$k(B.
                   1259: %>
                   1260: /coneEqForSmallFan.2 {
                   1261:   /arg2 set
                   1262:   /arg1 set
                   1263:   [/n /d /nn /dd /ii /tt] pushVariables
                   1264:   [
                   1265:      /n arg1 def
                   1266:      /d arg2 def
                   1267:      n to_int32 /n set
                   1268:      d to_int32 /d set
                   1269:      /dd n d add def
                   1270:      /nn n n add def
                   1271:
                   1272:      % 0 ~ d-1, n ~ dd-1  $B$G$O(B u_i + v_i = 0
                   1273:      % d ~ n-1, dd ~ nn-1 $B$G$O(B u_i=v+i = 0.
                   1274:      % -t >= 0
                   1275:      [
                   1276:      % d ~ n-1, dd ~ nn-1 $B$G$O(B u_i=v+i = 0.
                   1277:        d 1 n 1 sub {
                   1278:          /ii set
                   1279:       % [ 0,0, ..., 0,1,0,... ; 0] $B$r@8@.(B
                   1280:          nn 1 add newVector null_to_zero  /tt set
                   1281:          tt ii (1).. put
                   1282:          tt
                   1283:       % [ 0,0, ..., 0,-1,0,... ; 0] $B$r@8@.(B
                   1284:          nn 1 add newVector null_to_zero  /tt set
                   1285:          tt ii (-1).. put
                   1286:          tt
                   1287:        } for
                   1288:        dd 1 nn 1 sub {
                   1289:          /ii set
                   1290:          nn 1 add newVector null_to_zero  /tt set
                   1291:          tt ii (1).. put
                   1292:          tt
                   1293:          nn 1 add newVector null_to_zero  /tt set
                   1294:          tt ii (-1).. put
                   1295:          tt
                   1296:        } for
                   1297:
                   1298:      % 0 ~ d-1, n ~ dd-1  $B$G$O(B u_i + v_i = 0
                   1299:        0 1 d 1 sub {
                   1300:          /ii set
                   1301:          nn 1 add newVector null_to_zero  /tt set
                   1302:          tt ii (1).. put
                   1303:          tt ii n add (1).. put
                   1304:          tt
                   1305:
                   1306:          nn 1 add newVector null_to_zero  /tt set
                   1307:          tt ii (-1).. put
                   1308:          tt ii n add (-1).. put
                   1309:          tt
                   1310:
                   1311:        } for
                   1312:
                   1313:      % -t >= 0
                   1314:       cone.h0 {
                   1315:       % t = 0
                   1316:        nn 1 add newVector null_to_zero /tt set
                   1317:        tt nn (1).. put
                   1318:        tt
                   1319:        nn 1 add newVector null_to_zero /tt set
                   1320:        tt nn (-1).. put
                   1321:        tt
                   1322:       }
                   1323:       {
                   1324:       % -t >= 0
                   1325:        nn 1 add newVector null_to_zero /tt set
                   1326:        tt nn (-1).. put
                   1327:        tt
                   1328:       } ifelse
                   1329:
                   1330:      % cone.local $B$,(B 1 $B$N;~(B
                   1331:      % 0 ~ d-1  $B$G$O(B -u_i >= 0
                   1332:       cone.local {
                   1333:        0 1 d 1 sub {
                   1334:          /ii set
                   1335:          nn 1 add newVector null_to_zero  /tt set
                   1336:          tt ii (-1).. put
                   1337:          tt
                   1338:        } for
                   1339:       } {  } ifelse
                   1340:      ] /rr set
                   1341:      /arg1 rr to_univNum def
                   1342:   ] pop
                   1343:   popVariables
                   1344:   arg1
                   1345: } def
                   1346:
                   1347: %<
                   1348: % Usages: n d coneEqForSmallFan.1  (cone.type 1 $B@lMQ(B:  x,y,Dx,Dy,h,H)
                   1349: %                 cone.type 2 $B$G$O(B x,y,Dx,Dy,h
                   1350: %   coneEqForSmallFan.2 $B$N7k2L$rMQ$$$F@8@.(B.
                   1351: %   H $B$N>r7o$r2C$($k(B.
                   1352: %>
                   1353: /coneEqForSmallFan.1 {
                   1354:   /arg2 set
                   1355:   /arg1 set
                   1356:   [/n /d /i /j /rr /tt /tt2] pushVariables
                   1357:   [
                   1358:     /n arg1 def /d arg2 def
                   1359:     n d coneEqForSmallFan.2 /rr set
                   1360:     rr cone.appendZero /rr set
                   1361: % H $BMQ$N(B 0 $B$r2C$($k(B.
                   1362: % $B$H$j$"$($:(B t' = 0 $B$G$-$a$&$A(B.
                   1363:     cone.h0 { } { (cone.h0 = 0 has not yet been implemented.) error } ifelse
                   1364:     n 2 mul 2 add newVector null_to_zero /tt set
                   1365:     tt n 2 mul 2 add 1 sub (-1).. put
                   1366:     n 2 mul 2 add newVector null_to_zero /tt2 set
                   1367:     tt2 n 2 mul 2 add 1 sub (1).. put
                   1368:     rr [tt tt2] join /rr set
                   1369:     /arg1 rr to_univNum def
                   1370:   ] pop
                   1371:   popVariables
                   1372:   arg1
                   1373: } def
                   1374:
                   1375: %<
                   1376: % Usages: vv ineq toQuotientCone
                   1377: % weight space $B$N(B $B%Q%i%a!<%?$D$1$N$?$a$K;H$&(B.
                   1378: % cone.V $B$r5a$a$?$$(B.  vv $B$O(B doPolymakeObj (VERTICES) getNode 2 get 0 get $B$GF@$k(B.
                   1379: % vertices $B$N(B non-negative combination $B$,(B cone.
                   1380: % vertice cone.w_ineq isInLinearSubspace $B$J$i<h$j=|$/(B.
                   1381: % $B$D$^$j(B vertice*cone.w_ineq = 0 $B$J$i<h$j=|$/(B.
                   1382: %
                   1383: % $B$3$l$G@5$7$$(B? $B>ZL@$O(B? $B$^$@ESCf(B.  cone.W $B$r5a$a$k$N$K;H$&(B.  (BUG)
                   1384: % cone.w_cone 1 get (VERTICES) getNode :: $B$HHf3S$;$h(B.
                   1385: %  $B$3$N4X?t$r8F$s$G(B cone.W $B$r:n$k$N$OITMW$+$b(B.
                   1386: %
                   1387: % Example:  cf. parametrizeSmallFan
                   1388: %   4 2 coneEqForSmallFan.2 /cone.w_ineq set cone.w_ineq getConeInfo /rr set
                   1389: %   rr 1 get (VERTICES) getNode 2 get 0 get removeFirstFromPolymake /vv set
                   1390: %   vv cone.w_ineq toQuotientCone pmat
                   1391: %>
                   1392: /toQuotientCone {
                   1393:   /arg2 set /arg1 set
                   1394:   [/vv /ineq /rr] pushVariables
                   1395:   [
                   1396:     /vv arg1 def /ineq arg2 def
                   1397:     vv {
                   1398:       dup
                   1399:       ineq isInLinearSpace 1 eq { pop }
                   1400:       {  } ifelse
                   1401:     } map /arg1 set
                   1402:   ] pop
                   1403:   popVariables
                   1404:   arg1
                   1405: } def
                   1406:
                   1407: %<
                   1408: % Usages:  n d parametrizeSmallFan
                   1409: %  n : x $BJQ?t$N?t(B.
                   1410: %  d : 0 $B$K$7$J$$(B weight $B$N?t(B.
                   1411: % $B<!$NBg0hJQ?t$b@_Dj$5$l$k(B.
                   1412: % cone.W :  weight $B$r%Q%i%a!<%?$E$1$9$k%Y%/%H%k$NAH(B.
                   1413: % cone.Wpos : i $B$,(B 0 ~ Wpos-1 $B$NHO0O$N$H$-(B V[i] $B$X$O(B N $B$N85$r3]$1;;$7$F$h$$(B,
                   1414: %             i $B$,(B Wpos ~ $B$NHO0O$N$H$-(B V[i] $B$X$O(B Z $B$N85$r3]$1;;$7$F$h$$(B.
                   1415: % cone.w_ineq :  weight space $B$NITEy<0@)Ls(B.  $B0J8e$N7W;;$G>o$KIU2C$9$k(B.
                   1416: % cone.w_cone :  w_ineq $B$r(B polymake $B$G(B getConeInfo $B$7$?7k2L(B.
                   1417: % Example: /cone.local 1 def ; 4 2 parametrizeSmallFan pmat
                   1418: % Example: /cone.local 0 def ; 4 2 parametrizeSmallFan pmat
                   1419: %>
                   1420: /parametrizeSmallFan {
                   1421:   /arg2 set /arg1 set
                   1422:   [/n /d /vv /coneray] pushVariables
                   1423:   [
                   1424:     /n arg1 def /d arg2 def
                   1425:     {
                   1426:       cone.type 1 eq {
                   1427:         n d coneEqForSmallFan.1 /cone.w_ineq set
                   1428:         exit
                   1429:       } {  } ifelse
                   1430:       cone.type 2 eq {
                   1431:         n d coneEqForSmallFan.2 /cone.w_ineq set
                   1432:         exit
                   1433:       } {  } ifelse
                   1434:       (This cone.type has not yet been implemented.) error
                   1435:     } loop
                   1436:     cone.w_ineq getConeInfo /cone.w_cone set
                   1437:     cone.w_cone 1 get (VERTICES) getNode 2 get 0 get
                   1438:       removeFirstFromPolymake /vv set
                   1439:
                   1440:     vv cone.w_ineq toQuotientCone  /coneray set
                   1441:     coneray length /cone.Wpos set
                   1442:
                   1443:     coneray cone.w_cone 0 get 2 get join /cone.W set
                   1444:     /arg1 cone.W def
                   1445:   ] pop
                   1446:   popVariables
                   1447:   arg1
                   1448: } def
                   1449:
                   1450: %<
                   1451: % Usages: n d coneEqForTotalFan.2  (cone.type 2 $B@lMQ(B:  x,y,Dx,Dy,h)
                   1452: %  n $BJQ?t$N?t(B,
                   1453: %  d 0 $B$K$7$J$$JQ?t(B.
                   1454: % u_i + v_i >= 0 ,
                   1455: % homog $BJQ?t$N>r7o(B u_i+v_i >= 0, t = 0  $B$bF~$l$k(B.
                   1456: %  coneEq $B$N7k2L$H(B coneEqForSmallFan.2 $B$N7k2L$r(B join $B$7$F(B
                   1457: %  getConeInfo or newCone
                   1458: % cone.local $B$,@_Dj$5$l$F$$$k$H(B u_i <= 0 $B$b>r7o$KF~$k(B.
                   1459: %>
                   1460: /coneEqForTotalFan.2 {
                   1461:   /arg2 set
                   1462:   /arg1 set
                   1463:   [/n /nn /dd /ii /tt] pushVariables
                   1464:   [
                   1465:      /n arg1 def
                   1466:      /d arg2 def
                   1467:      n to_int32 /n set
                   1468:      d to_int32 /d set
                   1469:      /nn n n add def
                   1470:      /dd n d add def
                   1471:
                   1472:      % 0 ~ d-1, n ~ dd-1  $B$G$O(B u_i + v_i >= 0
                   1473:      % d ~ n-1, dd ~ nn-1 $B$G$O(B u_i=v+i = 0.
                   1474:      % t = 0
                   1475:      [
                   1476:      % d ~ n-1, dd ~ nn-1 $B$G$O(B u_i=v+i = 0.
                   1477:        d 1 n 1 sub {
                   1478:          /ii set
                   1479:       % [ 0,0, ..., 0,1,0,... ; 0] $B$r@8@.(B
                   1480:          nn 1 add newVector null_to_zero  /tt set
                   1481:          tt ii (1).. put
                   1482:          tt
                   1483:       % [ 0,0, ..., 0,-1,0,... ; 0] $B$r@8@.(B
                   1484:          nn 1 add newVector null_to_zero  /tt set
                   1485:          tt ii (-1).. put
                   1486:          tt
                   1487:        } for
                   1488:        dd 1 nn 1 sub {
                   1489:          /ii set
                   1490:          nn 1 add newVector null_to_zero  /tt set
                   1491:          tt ii (1).. put
                   1492:          tt
                   1493:          nn 1 add newVector null_to_zero  /tt set
                   1494:          tt ii (-1).. put
                   1495:          tt
                   1496:        } for
                   1497:
                   1498:      % 0 ~ d-1, n ~ dd-1  $B$G$O(B u_i + v_i >= 0
                   1499:        0 1 d 1 sub {
                   1500:          /ii set
                   1501:          nn 1 add newVector null_to_zero  /tt set
                   1502:          tt ii (1).. put
                   1503:          tt ii n add (1).. put
                   1504:          tt
                   1505:
                   1506:        } for
                   1507:
                   1508:      % t = 0
                   1509:       cone.h0 {
                   1510:       % t = 0
                   1511:        nn 1 add newVector null_to_zero /tt set
                   1512:        tt nn (1).. put
                   1513:        tt
                   1514:        nn 1 add newVector null_to_zero /tt set
                   1515:        tt nn (-1).. put
                   1516:        tt
                   1517:       }
                   1518:       {
                   1519:          (coneForTotalFan.2. Not implemented.) error
                   1520:       } ifelse
                   1521:
                   1522:      % cone.local $B$,(B 1 $B$N;~(B
                   1523:      % 0 ~ d-1  $B$G$O(B -u_i >= 0
                   1524:       cone.local {
                   1525:        0 1 d 1 sub {
                   1526:          /ii set
                   1527:          nn 1 add newVector null_to_zero  /tt set
                   1528:          tt ii (-1).. put
                   1529:          tt
                   1530:        } for
                   1531:       } {  } ifelse
                   1532:      ] /rr set
                   1533:      /arg1 rr to_univNum def
                   1534:   ] pop
                   1535:   popVariables
                   1536:   arg1
                   1537: } def
                   1538:
                   1539: %<
                   1540: % Usages:  n d parametrizeTotalFan
                   1541: %  n : x $BJQ?t$N?t(B.
                   1542: %  d : 0 $B$K$7$J$$?t(B.
                   1543: % $B<!$NBg0hJQ?t$b@_Dj$5$l$k(B.
                   1544: % cone.W :  weight $B$r%Q%i%a!<%?$E$1$9$k%Y%/%H%k$NAH(B.
                   1545: % cone.Wpos : i $B$,(B 0 ~ Wpos-1 $B$NHO0O$N$H$-(B V[i] $B$X$O(B N $B$N85$r3]$1;;$7$F$h$$(B,
                   1546: %             i $B$,(B Wpos ~ $B$NHO0O$N$H$-(B V[i] $B$X$O(B Z $B$N85$r3]$1;;$7$F$h$$(B.
                   1547: % cone.w_ineq :  weight space $B$NITEy<0@)Ls(B.  $B0J8e$N7W;;$G>o$KIU2C$9$k(B.
                   1548: % cone.w_ineq $B$r(B getConeInfo $B$7$?7k2L$O(B cone.w_cone
                   1549: % Example: /cone.local 1 def ; 3 parametrizeSmallFan pmat
                   1550: % Example: /cone.local 0 def ; 3 parametrizeSmallFan pmat
                   1551: % local $B$,(B 1 $B$@$H(B u_i <= 0 $B$K$J$k(B.
                   1552: %>
                   1553: /parametrizeTotalFan {
                   1554:   /arg2 set
                   1555:   /arg1 set
                   1556:   [/n /d /vv /coneray] pushVariables
                   1557:   [
                   1558:     /n arg1 def  /d arg2 def
                   1559:     {
                   1560:       cone.type 2 eq { n d coneEqForTotalFan.2 /cone.w_ineq set exit}
                   1561:       { } ifelse
                   1562:       (This cone.type has not yet been implemented.) error
                   1563:     } loop
                   1564:     cone.w_ineq getConeInfo /cone.w_cone set
                   1565:     cone.w_cone 1 get (VERTICES) getNode 2 get 0 get
                   1566:      removeFirstFromPolymake /vv set
                   1567:
                   1568:     vv cone.w_ineq toQuotientCone  /coneray set
                   1569:     coneray length /cone.Wpos set
                   1570:
                   1571:     coneray cone.w_cone 0 get 2 get join /cone.W set
                   1572:     /arg1 cone.W def
                   1573:   ] pop
                   1574:   popVariables
                   1575:   arg1
                   1576: } def
                   1577:
                   1578: %<
                   1579: % Usages: vlist wlist cone_wtowv
                   1580: % [x y Dx Dy h] [-1 0 1 0 0] ==> [(x) -1 (Dx) 1] $B$r:n$k(B.
                   1581: %>
                   1582: /cone_wtowv {
                   1583:   /arg2 set /arg1 set
                   1584:   [/vlist /wlist /ii] pushVariables
                   1585:   [
                   1586:     /vlist arg1 def
                   1587:     /wlist arg2 def
                   1588:     wlist length vlist length eq {
                   1589:     } {  (cone_wtowv: length of the argument must be the same.) error} ifelse
                   1590:
                   1591:     wlist to_int32 /wlist set
                   1592:     [
                   1593:       0 1 wlist length 1 sub {
                   1594:         /ii set
                   1595:         wlist ii get 0 eq { }
                   1596:         { vlist ii get wlist ii get } ifelse
                   1597:       } for
                   1598:     ] /arg1 set
                   1599:   ] pop
                   1600:   popVariables
                   1601:   arg1
                   1602: } def
                   1603:
                   1604: %<
                   1605: % Usages:  pruneZeroVector
                   1606: %    genPo, getConeInfo $BEy$NA0$K;H$&(B.  0 $B%Y%/%H%k$O0UL#$N$J$$@)Ls$J$N$G=|$/(B.
1.2       takayama 1607: %    $BF1$8@)Ls>r7o$b$N$>$/(B. polymake FACET $B$,@5$7$/F0$+$J$$>l9g$,$"$k$N$G(B.
                   1608: %    cf. pear/OpenXM_tmp/x3y2.poly, x^3+y^2, x^2+y^3 data/test15.sm1
1.1       takayama 1609: %>
                   1610: /pruneZeroVector {
                   1611:   /arg1 set
                   1612:   [/mm /ii /jj /tt] pushVariables
                   1613:   [
                   1614:     /mm arg1 def
                   1615:     mm to_univNum /mm set
1.2       takayama 1616:     [ [ ] ] mm join shell rest uniq /mm set
1.1       takayama 1617:     [
                   1618:       0 1 mm length 1 sub {
                   1619:          /ii set
                   1620:          mm ii get /tt set
                   1621:          {
                   1622:           0 1 tt length 1 sub {
                   1623:              /jj set
                   1624:              tt jj get (0).. eq {  }
                   1625:              { tt exit } ifelse
                   1626:           } for
                   1627:           exit
                   1628:          } loop
                   1629:       } for
                   1630:     ] /arg1 set
                   1631:   ] pop
                   1632:   arg1
                   1633: } def
                   1634:
                   1635: %<
                   1636: % Usages: a projectIneq v ,  dim(a) = n, dim(v) = d
                   1637: %  a*cone.Wt*cone.Lpt
                   1638: %>
                   1639: /projectIneq {
                   1640:   cone.Wt mul cone.Lpt mul
                   1641: } def
                   1642:
                   1643: %<
                   1644: % Usages: v liftWeight [w vw],  dim(v) = d, dim(w) = n, vw : vw $B7A<0$N(B weight
                   1645: %   v*cone.Lp*cone.W   cone.vlist w cone_wtowv
                   1646: %>
                   1647: /liftWeight {
                   1648:   /arg1 set
                   1649:   [/v /w /vw] pushVariables
                   1650:   [
                   1651:     /v arg1 def
                   1652:     v cone.Lp mul cone.W mul /w set
                   1653:     [w  cone.vlist w cone_wtowv] /arg1 set
                   1654:   ] pop
                   1655:   popVariables
                   1656:   arg1
                   1657: } def
                   1658:
                   1659: %<
                   1660: % Usage: m isZero
                   1661: % dr.sm1 $B$X0\$9(B.
                   1662: %>
                   1663: /isZero {
                   1664:   /arg1 set
                   1665:   [/mm /ans /ii] pushVariables
                   1666:   [
                   1667:     /mm arg1 def
                   1668:     /ans 1 def
                   1669:     mm isArray {
                   1670:       0 1 mm length 1 sub {
                   1671:         /ii set
                   1672:         mm ii get isZero /ans set
                   1673:         ans 0 eq { exit } {  } ifelse
                   1674:       } for
                   1675:     } {
                   1676:       {
                   1677:         mm tag 1 eq {/ans mm 0 eq def exit} { } ifelse
                   1678:         mm isPolynomial { /ans mm (0). eq def exit } { } ifelse
                   1679:         mm isUniversalNumber { /ans mm (0).. eq def exit } { } ifelse
                   1680:         /ans 0 def exit
                   1681:       } loop
                   1682:     } ifelse
                   1683:     /arg1 ans def
                   1684:   ] pop
                   1685:   popVariables
                   1686:   arg1
                   1687: } def
                   1688: [(isZero)
                   1689: [(m isZero bool)]] putUsages
                   1690:
                   1691: %<
                   1692: % Usage: m isNonNegative
                   1693: % dr.sm1 $B$X0\$9(B.
                   1694: %>
                   1695: /isNonNegative {
                   1696:   /arg1 set
                   1697:   [/mm /ans /ii] pushVariables
                   1698:   [
                   1699:     /mm arg1 def
                   1700:     /ans 1 def
                   1701:     mm isArray {
                   1702:       0 1 mm length 1 sub {
                   1703:         /ii set
                   1704:         mm ii get isNonNegative /ans set
                   1705:         ans 0 eq { exit } {  } ifelse
                   1706:       } for
                   1707:     } {
                   1708:       {
                   1709:         mm tag 1 eq {/ans mm 0 gt mm 0 eq or def exit} { } ifelse
                   1710:         mm isUniversalNumber { /ans mm (0).. gt mm (0).. eq or def exit }
                   1711:         { } ifelse
                   1712:         mm isRational { mm (numerator) dc mm (denominator) dc mul /mm set
                   1713:           /ans mm (0).. gt mm (0).. eq or def exit } {  } ifelse
                   1714:         /ans 0 def exit
                   1715:       } loop
                   1716:     } ifelse
                   1717:     /arg1 ans def
                   1718:   ] pop
                   1719:   popVariables
                   1720:   arg1
                   1721: } def
                   1722: [(isNonNegative)
                   1723: [(m isNonNegative bool)
                   1724:  (In case of matrix, m[i,j] >= 0 must hold for all i,j.)
                   1725: ]] putUsages
                   1726:
                   1727: % Global variable:  cone.weightBorder
                   1728: % /cone.weightBorder null def  $BITMW$G$"$m$&(B.  getStartingCone $B$G@_Dj$5$l$k(B.
                   1729:
                   1730: %<
                   1731: % Usages: cone i isOnWeigthBorder
                   1732: % cone $B$N(B i $BHVL\$N(B facet $B$,(B weight $B6u4V$N6-3&$K$"$k$+(B?
                   1733: % $BBg0hJQ?t(B  cone.weightBorder $B$,@_Dj$5$l$F$k$3$H(B.
                   1734: % $B$3$NJQ?t$O(B cone $B$N(B facet $B%Y%/%H%k$N%j%9%H(B.
                   1735: % $B$3$NJQ?t$O(B setWeightBorder $B$G@_Dj(B
                   1736: % cone.weightBorder[0] or cone.weightBorder[1] or ...
                   1737: % /ccone cone.startingCone def  ccone 0 isOnWeightBorder
                   1738: %                               ccone 1 isOnWeightBorder
                   1739: %>
                   1740: /isOnWeightBorder {
                   1741:   /arg2 set /arg1 set
                   1742:   [/cone /facet_i /i /j /vv /co /ans] pushVariables
                   1743:   [
                   1744:     /cone arg1 def /facet_i arg2 def
                   1745:     facet_i to_int32 /facet_i set
                   1746:     /ans 0 def
                   1747:     cone (facetsv) getNode 2 get facet_i get /vv set % Facet $B$r(B vertex $BI=8=(B.
                   1748:     {
                   1749:       0 1 cone.weightBorder length 1 sub {
                   1750:          /i set
                   1751:          cone.weightBorder i get /co set % co $B$K@)Ls>r7o(B
                   1752:          vv cone.Lp mul  % vv $B$r(B weight space $B$X(B lift.
                   1753:          co mul isZero
                   1754:          { /ans 1 def exit }  {   } ifelse
                   1755:       } for
                   1756:       exit
                   1757:     } loop
                   1758:     /arg1 ans def
                   1759:   ] pop
                   1760:   popVariables
                   1761:   arg1
                   1762: } def
                   1763:
                   1764: %<
                   1765: % Usages: cone i markFlipped
                   1766: % cone $B$N(B i $BHVL\$N(B facet $B$K(B flipped $B$N0u$r$D$1$k(B. cone $B<+BN$,JQ99$5$l$k(B.
                   1767: % cone $B$O(B class-tree.  Constructor $B$O(B newCone
                   1768: %>
                   1769: /markFlipped {
                   1770:   /arg2 set /arg1 set
                   1771:   [/cone /facet_i /vv] pushVariables
                   1772:   [
                   1773:     /cone arg1 def /facet_i arg2 def
                   1774:     facet_i to_int32 /facet_i set
                   1775:     cone (flipped) getNode 2 get /vv set
                   1776:     vv facet_i (1).. put
                   1777:   ] pop
                   1778:   popVariables
                   1779: } def
                   1780:
1.4       takayama 1781: %<
                   1782: % Usages: cone i [cid fid] markNext
                   1783: % cone $B$N(B i $BHVL\$N(B facet $B$N$H$J$j$N(B cone id (cid) $B$H(B face id (fid) $B$r@_Dj$9$k(B.
                   1784: %   cone $B$N(B nextcid[i] = cid; nextfid[i] = fid $B$H$J$k(B.
                   1785: % cone $B<+BN$,JQ99$5$l$k(B.
                   1786: % cone $B$O(B class-tree.
                   1787: %>
                   1788: /markNext {
                   1789:   /arg3 set /arg2 set /arg1 set
                   1790:   [/cone /facet_i /vv /nextid] pushVariables
                   1791:   [
                   1792:     /cone arg1 def /facet_i arg2 def /nextid arg3 def
                   1793:     facet_i to_int32 /facet_i set
                   1794:     cone (nextcid) getNode 2 get /vv set
                   1795:     vv facet_i , nextid 0 get to_univNum , put
                   1796:
                   1797:     cone (nextfid) getNode 2 get /vv set
                   1798:     vv facet_i , nextid 1 get to_univNum , put
                   1799:   ] pop
                   1800:   popVariables
                   1801: } def
                   1802:
1.1       takayama 1803:
                   1804:
                   1805: %<
                   1806: % Usages: cone getNextFacet i
                   1807: % flipped $B$N(B mark $B$N$J$$(B facet $B$N(B index facet_i $B$rLa$9(B.
                   1808: % $B$=$l$,$J$$$H$-$O(B null
                   1809: %>
                   1810: /getNextFacet {
                   1811:   /arg1 set
                   1812:   [/cone /facet_i /vv /ii] pushVariables
                   1813:   [
                   1814:     /cone arg1 def
                   1815:     /facet_i null def
                   1816:     cone (flipped) getNode 2 get /vv set
                   1817:     0 1 vv length 1 sub {
                   1818:        /ii set
                   1819:        vv ii get to_int32 0 eq { /facet_i ii def exit }
                   1820:        {  } ifelse
                   1821:     } for
                   1822:     /arg1 facet_i def
                   1823:   ] pop
                   1824:   popVariables
                   1825:   arg1
                   1826: } def
                   1827:
                   1828: %<
                   1829: % Usages: cone i epsilon flipWeight
                   1830: % cone $B$N(B i $BHVL\$N(B facet $B$K$+$s$7$F(B flip $B$9$k(B.
                   1831: % $B?7$7$$(B weight $B$r5a$a$k(B.  cf. liftWeight
                   1832: %>
                   1833: /flipWeight {
                   1834:   /arg3 set /arg2 set /arg1 set
                   1835:   [/cone /facet_i /ep /vp /v /v /ii] pushVariables
                   1836:   [
                   1837:     /cone arg1 def /facet_i arg2 def
                   1838:     facet_i to_int32 /facet_i set
                   1839:     /ep arg3 def
                   1840:
                   1841:     ep to_univNum (1).. div /ep set
                   1842:
                   1843: % note: 2004.9.2
                   1844:     cone (facetsv) getNode 2 get facet_i get /v set
                   1845:     cone (facets)  getNode 2 get facet_i get /f set
                   1846:     /vp v 0 get def
                   1847:     1 1 v length 1 sub {
                   1848:       /ii set
                   1849:       vp v ii get  add /vp set
                   1850:     } for
                   1851:     vp ep f mul sub /vp set
                   1852:     vp nnormalize_vec /vp set
                   1853:     /arg1 vp def
                   1854:   ] pop
                   1855:   popVariables
                   1856:   arg1
                   1857: } def
                   1858:
                   1859: %<
                   1860: % Usages: cone1 cone2 isSameCone bool
                   1861: % cone1 cone2 $B$,Ey$7$$$+(B? facet $B$GHf$Y$k(B.
                   1862: % cone1, cone2 $B$O(B pointed cone $B$G$J$$$H$$$1$J$$(B.
                   1863: %>
                   1864: /isSameCone {
                   1865:   /arg2 set /arg1 set
                   1866:   [/cone1 /cone2 /facets1 /facets2 /ans] pushVariables
                   1867:   [
                   1868:     /cone1 arg1 def
                   1869:     /cone2 arg2 def
                   1870:     /facets1  cone1 (facets) getNode 2 get def
                   1871:     /facets2  cone2 (facets) getNode 2 get def
                   1872:     facets1 length facets2 length eq {
                   1873:       facets1 facets2 sub isZero /ans set
                   1874:     } {
                   1875:       /ans 0 def
                   1876:     } ifelse
                   1877:     /arg1 ans def
                   1878:   ] pop
                   1879:   popVariables
                   1880:   arg1
                   1881: } def
                   1882:
                   1883: %<
                   1884: % Usages: cone1 cone2 getCommonFacet list
                   1885: % cone1 $B$NCf$G(B cone2 $B$K4^$^$l$k(B facet $B$N%j%9%H(B
                   1886: % cone2 $B$NCf$G(B cone1 $B$K4^$^$l$k(B facet $B$N%j%9%H$r$b$I$9(B.
                   1887: %  [1 [i] [j]] $B$"$k$H$-(B.  [0 [ ] [ ]] $B$J$$$H$-(B.
                   1888: % cone1 $B$N(B facetsv[i] $B$,(B cone2 $B$K4^$^$l$k$+D4$Y$k(B.
                   1889: % cone2 $B$N(B facetsv[i] $B$,(B cone1 $B$K4^$^$l$k$+D4$Y$k(B.
                   1890: % cone1, cone2 $B$O(B pointed cone $B$G$J$$$H$$$1$J$$(B.
                   1891: %>
                   1892: /getCommonFacet {
                   1893:   /arg2 set /arg1 set
                   1894:   [/cone1 /cone2 /facets /ineq /ans1 /ans2 /i /tt] pushVariables
                   1895:   [
                   1896:     /cone1 arg1 def
                   1897:     /cone2 arg2 def
                   1898:
                   1899:     /facets  cone1 (facetsv) getNode 2 get def
                   1900:     /ineq cone2 (inequalities) getNode 2 get def
                   1901:     /ans1 [
                   1902:       0 1 facets length 1 sub {
                   1903:         /i set
                   1904:         facets i get /tt set % facetsv[i] $B$r(B tt $B$X(B.
                   1905:         ineq tt transpose mul isNonNegative {
                   1906:           i
                   1907:         } {  } ifelse
                   1908:       } for
                   1909:     ] def
                   1910:
                   1911:     /facets  cone2 (facetsv) getNode 2 get def
                   1912:     /ineq cone1 (inequalities) getNode 2 get def
                   1913:     /ans2 [
                   1914:       0 1 facets length 1 sub {
                   1915:         /i set
                   1916:         facets i get /tt set % facetsv[i] $B$r(B tt $B$X(B.
                   1917:         ineq tt transpose mul isNonNegative {
                   1918:           i
                   1919:         } {  } ifelse
                   1920:       } for
                   1921:     ] def
                   1922:     ans1 length 1 gt ans2 length 1 gt or {
                   1923:       (getCommonFacet found more than 1 common facets.) error
                   1924:     } {  } ifelse
                   1925: % $B6&DL(B facet $B$,$"$l$P(B 1, $B$J$1$l$P(B 0.
                   1926:     ans1 length 1 eq ans2 length 1 eq and {
                   1927:       /tt 1 def
                   1928:     } {
                   1929:       /tt 0 def
                   1930:     } ifelse
                   1931:     /arg1 [tt ans1 ans2] def
                   1932:   ] pop
                   1933:   popVariables
                   1934:   arg1
                   1935: } def
                   1936:
                   1937: %
                   1938: % -------------------------------------------------
                   1939: % test8 $B$O(B aux-cone.sm1 $B$X0\F0(B.
                   1940: % $B0J2<$$$h$$$h0lHL$N%W%m%0%i%`$N:n@.3+;O(B.
                   1941: % -------------------------------------------------
                   1942: %
                   1943:
                   1944: %<
                   1945: % Usages: setWeightBorder
                   1946: %  cone.weightBorder (weight cone $B$N(B facet $B%Y%/%H%k$N=89g(B) $B$r@_Dj$9$k(B.
                   1947: %  $B$"$HI{;:J*$H$7$F(B  cone.w_cone_projectedWt (doPolymakeObj)
                   1948: %                    cone.w_ineq_projectedWt
                   1949: %  cone.m $B<!85$N%Y%/%H%k(B.
                   1950: %  cone.W, cone.Wt, cone.w_ineq $B$,$9$G$K7W;;$:$_$G$J$$$H$$$1$J$$(B.
                   1951: %>
                   1952: /setWeightBorder {
                   1953:   [
                   1954:     (Entering setWeightBorder ) message
                   1955:     cone.w_ineq cone.Wt mul pruneZeroVector /cone.w_ineq_projectedWt set
                   1956:     {
                   1957:       cone.w_ineq_projectedWt length 0 eq {
                   1958: % weight $B$N6u4V$K(B border $B$,$J$$>l9g(B.
                   1959:         /cone.weightBorder [ ] def
                   1960:         exit
                   1961:       } {  } ifelse
                   1962: % weight $B$N6u4V$K(B border $B$,$"$k>l9g(B.
                   1963:       cone.w_ineq_projectedWt getConeInfo /cone.w_cone_projectedWt set
                   1964:       cone.w_cone_projectedWt 0 get 0 get to_int32 cone.m to_int32 eq {
                   1965:       } {
                   1966:         (setWeightBorder : internal error.) message
                   1967:       } ifelse
                   1968:       cone.w_cone_projectedWt 1 get (FACETS) getNode 2 get 0 get
                   1969:       removeFirstFromPolymake /cone.weightBorder set
                   1970:       exit
                   1971:     } loop
                   1972:     (cone.weightBorder=) message
                   1973:     cone.weightBorder pmat
                   1974:   ] pop
                   1975: } def
                   1976:
                   1977: %
                   1978: % -------------------------------------------------
                   1979: % $B%W%m%0%i%`$NN.$l(B.
                   1980: % Global: cone.fan   cone $B$rG[Ns$H$7$F3JG<$9$k(B.
                   1981: %
                   1982: % ncone (next cone) $B$,?75,$KF@$i$l$?(B cone $B$G$"$k$H$9$k(B.
                   1983: % $B$3$N$H$-<!$NA`:n$r$9$k(B.
                   1984: %  0. ncone $B$,(B cone.fan $B$K$9$G$K$J$$$+D4$Y$k(B. $B$"$l$P(B, internal error.
                   1985: %  1. ncone markBorder ; ncone $B$NCf$N(B border $B>e$N(B facet $B$r(B mark
                   1986: %  2. cone.fan $B$NCf$N(B cone $B$H6&DL(B facet $B$,$J$$$+D4$Y(B (getCommonFacet),
                   1987: %     $B$"$l$P$=$l$i$r(B mark $B$9$k(B.
                   1988: %     global: cone.incidence $B$K(B $B6&DL(Bfacet $B$r;}$DAH$_$N>pJs$r2C$($k(B.
                   1989: %  3. ncone $B$r(B cone.fan $B$N:G8e$K2C$($k(B.
                   1990: %  $B0J>e$NA`:n$r$^$H$a$?$b$N$,(B  ncone updateFan
                   1991: %
                   1992: %  getNextFlip $B$O(B cone.fan $B$NCf$+$i(B flip $B$7$F$J$$(B cone $B$H(B facet $B$NAH$rLa$9(B.
                   1993: %  $B$J$1$l$P(B null $B$rLa$9(B.  null $B$,La$l$P%W%m%0%i%`=*N;(B.
                   1994: %
                   1995: %  getStargingCone $B$O7W;;$r=PH/$9$Y$-?75,$N(B cone $B$r7W;;$9$k(B. $BBg0hJQ?t(B cone.Lt, cone.W
                   1996: %  $B$J$I$b$3$NCf$G@_Dj$9$k(B.
                   1997: %  $BJQ?t%j%9%H(B, weight space $B$r@8@.$9$k4X?t(B, $BF~NOB?9`<0(B, weight $B$N8uJd(B $BEy$OBg0hJQ?t(B
                   1998: %  $B$H$7$FF~NO$7$F$*$/(B.
                   1999: %
                   2000: %  reduced gb $B$O(B $B4X?t(B input weight cone.gb reduced_G $B$G7W;;$9$k(B.
                   2001: %
                   2002: %
                   2003: %  [ccone i] getNextCone ncone : flip $B$K$h$j<!$N(B cone $B$rF@$k(B.
                   2004: %
                   2005: %  1. clearGlobals ; $BF~NOBg0hJQ?t$N@_Dj(B.
                   2006: %  2. getStartingCone /ncone set
                   2007: %  3. {  ncone updateFan
                   2008: %  4.    getNextFlip /cone.nextflip set
                   2009: %  6.    cone.nextflip isNull { exit } {  } ifelse
                   2010: %  7.    cone.nextflip getNextCone /ncone set
                   2011: %  8. } loop
                   2012: %
                   2013: %
                   2014: % -------------------------------------------------
                   2015: %
                   2016:
                   2017: %<
                   2018: % Usages: input weight cone.gb_Dh reduced_G
                   2019: %  gb in h[1,1](D)
                   2020: %>
                   2021: /cone.gb_Dh {
                   2022:   /arg2 set /arg1 set
                   2023:   [/ff /ww /gg] pushVariables
                   2024:   [
                   2025:     /ff arg1 def
                   2026:     /ww arg2 def
                   2027:     [(AutoReduce) 1] system_variable
                   2028:     [cone.vv ring_of_differential_operators
                   2029:      [ww] weight_vector 0] define_ring
                   2030:     [ff {toString .} map] groebner 0 get /gg set
                   2031:     /cone.gb_Dh.g gg def
                   2032:     /arg1 gg def
                   2033:   ] pop
                   2034:   popVariables
                   2035:   arg1
                   2036: } def
                   2037:
                   2038: %<
                   2039: % Usages: cone.boundp
                   2040: %
                   2041: /cone.boundp {
                   2042:    dup boundp 2 1 roll tag 0 eq not and
                   2043: } def
                   2044:
                   2045: %<
                   2046: % Usages: clearGlobals
                   2047: % cf. cone.boundp
                   2048: % polymake $B$r:FEY8F$V$?$a$K(B global $BJQ?t$r%/%j%"$9$k(B.
                   2049: % $B$^$@ESCf(B.
                   2050: %>
                   2051: /clearGlobals {
                   2052:   /cone.W null def
                   2053:   /cone.Wt null def
                   2054:
                   2055:   /cone.cinit null def
                   2056:   /cone.weightBorder null def
                   2057:
                   2058: } def
                   2059:
                   2060: %<
                   2061: % Usages: getStartingCone ncone
                   2062: % getStargingCone $B$O7W;;$r=PH/$9$Y$-?75,$N(B cone $B$r7W;;$9$k(B.
                   2063: % $B@_Dj$9$Y$-Bg0hJQ?t$O0J2<$r8+$h(B.
                   2064: %>
                   2065:
                   2066: /getStartingCone.test {
                   2067: %------------------Globals----------------------------------------
                   2068: % ---------------  $BF~NO%G!<%?MQBg0hJQ?t$N@_Dj(B --------------------------
                   2069: %
                   2070: % cone.input : $BF~NOB?9`<07O(B
                   2071: /cone.input
                   2072:   [(t1-x-y) (h*t2-x^2-y^2) (2*x*Dt2+h*Dt1+h*Dx) (2*y*Dt2+h*Dt1+h*Dy)]
                   2073: def
                   2074:
                   2075: % cone.vlist : $BA4JQ?t$N%j%9%H(B
                   2076: /cone.vlist [(t1) (t2) (x) (y) (Dt1) (Dt2) (Dx) (Dy) (h)] def
                   2077:
                   2078: % cone.vv : define_ring $B7A<0$NJQ?t%j%9%H(B.
                   2079: % t1,t2, x,y   : t-space $B$N(B Grobner fan (local) $B$r5a$a$k(B.
                   2080: /cone.vv (t1,t2,x,y) def
                   2081:
                   2082: % cone.parametrizeWeightSpace : weight $B6u4V$r(B parametrize $B$9$k4X?t(B.
                   2083: %   $BBg0hJQ?t(B cone.W , cone.Wpos $B$b$-$^$k(B.
                   2084: /cone.parametrizeWeightSpace {
                   2085:   4 2 parametrizeSmallFan
                   2086: } def
                   2087:
                   2088: % cone.w_start : weight$B6u4V$K$*$1$k(B weight $B$N=i4|CM(B.
                   2089: % $B$3$NCM$G(B max dim cone $B$,F@$i$l$J$$$H(B random weight $B$K$h$k(B $B%5!<%A$,;O$^$k(B.
                   2090: /cone.w_start
                   2091:   [ 1 4 ]
                   2092: def
                   2093:
                   2094: % cone.gb : gb $B$r7W;;$9$k4X?t(B.
                   2095: /cone.gb {
                   2096:   cone.gb_Dh
                   2097: } def
                   2098:
                   2099: %
                   2100: % -----------------  $B$*$o$j(B ---------------------------
                   2101: %
                   2102: } def  % end of getStartingCone.test
                   2103:
                   2104: /getStartingCone {
                   2105:  [/wv_start /w_start /reduced_G] pushVariables
                   2106:  [
                   2107: % cone.n $B$O<+F0E*$K$-$a$i$l$k(B.
                   2108: %  cone.n $B$O(B GB $B$r7W;;$9$k6u4V$N<!85(B.
                   2109:   /cone.n cone.vlist length def
                   2110: %[1]  cone.W, cone.Wpos $B$r5a$a$k(B.   cone.m $B$O(B cone.W $B$h$j<+F0E*$K$-$^$k(B.
                   2111: %  cone.m $B$O(B weight $B6u4V$N<+M3EY(B. cone.W $B$G<M1F$5$l$k@h$N<!85(B.
                   2112:   /cone.W cone.boundp {
                   2113:     (Skip cone.parametrizeWeightSpace. cf. clearGlobals) message
                   2114:   } {
                   2115:     cone.parametrizeWeightSpace
                   2116:   } ifelse
                   2117:   (parametrizing weight space: cone.W = ) messagen cone.W message
                   2118:   /cone.Wt cone.W transpose def
                   2119:   /cone.m cone.W length def
                   2120: % WeightBorder $B$N>r7oH=Dj(B facet $B$r@_Dj(B.
                   2121:   /cone.weightBorder cone.boundp {
                   2122:     (Skip setWeightBorder cf. clearGlobals) message
                   2123:   } {
                   2124:     setWeightBorder
                   2125:   } ifelse
                   2126:
                   2127: %[2] weight vector wv_start $B$r@8@.$9$k(B.
                   2128: % wv_start $B$r@_Dj(B.
                   2129:   cone.w_start tag 0 eq {
                   2130: % cone.w_start $B$,(B null $B$J$i(B random $B$K(B weight $B$r@_Dj(B.
                   2131:     /cone.w_start cone.m cone_random_vec def
                   2132:   } {
                   2133:     cone.w_start length cone.m to_int32 eq {
                   2134:     } {
                   2135:       (Error: cone.w_start has wrong length.) error
                   2136:       /cone.w_start cone.m cone_random_vec def
                   2137:     } ifelse
                   2138:   } ifelse
                   2139:   /w_start cone.w_start cone.W mul def
                   2140:
                   2141:   {
                   2142:      cone.vlist w_start cone_wtowv /wv_start set
                   2143:      (Trying a starting weight vector : ) messagen
                   2144:      wv_start pmat
                   2145: %[3] reduced GB $B$N7W;;(B.
                   2146:      cone.input wv_start cone.gb /reduced_G set
1.2       takayama 2147:      (Reduced GB is obtained: ) message
                   2148:      %reduced_G pmat
                   2149:      /cone.cgb reduced_G def
                   2150:      [cone.w_start w_start wv_start] /cone.cgb_weight set
1.1       takayama 2151:
                   2152: %[4] $B<M1F$7$F$+$i(B polytope $B$N%G!<%?$r7W;;(B.
                   2153:      wv_start reduced_G coneEq /cone.g_ineq set
                   2154:      cone.g_ineq cone.w_ineq join  /cone.gw_ineq set
                   2155:      cone.gw_ineq  cone.Wt mul /cone.gw_ineq_projectedWt set % $B<M1F(B
                   2156:      /cone.cinit cone.boundp {
                   2157:        (Skipping cone.gw_ineq_projectedWt getConeInfo. cf. clearGlobals) message
                   2158:      } {
                   2159:       cone.gw_ineq_projectedWt getConeInfo /cone.cinit set
                   2160:      } ifelse
                   2161:
                   2162:      (cone.cinit is --- the first number is the dim of cone.) messagen
                   2163:      cone.cinit 0 get pmat
                   2164: % Maximal dimensional cone $B$+$I$&$+$N8!::(B. $B8!::$K%Q%9$9$l$P(B loop $B$r(B exit
                   2165: % $B%Q%9$7$J$$>l9g(B  w_start $B$r(B cone_random_vec $B$rMQ$$$FJQ99$9$k(B.
                   2166:      cone.cinit 0 get 0 get to_int32 cone.m eq { exit }
                   2167:      {
                   2168:        (Failed to get the max dim cone. Updating the weight ...) messagen
1.2       takayama 2169:        cone.m cone_random_vec /cone.w_start set
                   2170:        /w_start  cone.w_start cone.W mul def
1.1       takayama 2171: % cone.cinit $B$r:FEY7W;;$9$k$?$a$K(B clear $B$9$k(B.
                   2172:        /cone.cinit null def
                   2173:      } ifelse
                   2174:   } loop
                   2175:
                   2176:   (cone.m = ) messagen cone.m message
                   2177:   (Suceeded to get the maximal dimensional startingCone.) message
                   2178:
                   2179: % Linearity subspace $B$N(B orth complement $B$X$N<M1F9TNs(B.
                   2180: % $BBg0hJQ?t(B cone.Lp, cone.Lpt $B$r@_Dj(B
                   2181:   cone.cinit 0 get 1 get /cone.Lp set
                   2182:   cone.Lp transpose /cone.Lpt set
                   2183: % Linearity subspace $B$N9TNs$r@_Dj(B.
                   2184: % $BBg0hJQ?t(B cone.L $B$r@_Dj(B
                   2185:   cone.cinit 0 get 2 get /cone.L set
                   2186: % cone.d $B$O(B cone.W $B$*$h$S(B Linearity space $B$G3d$C$?8e(B, cone $B$r9M$($k$H$-$N<!85(B.
                   2187: % $BBg0hJQ?t(B cone.d $B$N@_Dj(B.
                   2188:   /cone.d cone.Lp length def
                   2189:
                   2190:   cone.m cone.d  eq {
                   2191:     (There is no linearity space) message
                   2192:   } {
                   2193:     (Dim of the linearity space is ) messagen cone.m cone.d sub message
                   2194:     (cone.Lp = ) messagen cone.Lp pmat
                   2195:   } ifelse
                   2196:
                   2197: %[5] cone.g_ineq * cone.Wt * cone.Lpt
                   2198: %    cone.w_ineq * cone.Wt * cone.Lpt
                   2199: %   $B$G@)Ls$r(B d $B<!85%Y%/%H%k$KJQ49(B.
                   2200: % W (R^m) $B6u4V$NITEy<0@)Ls$r(B L' (R^d) $B6u4V$X<M1F(B
                   2201: % cone.gw_ineq_projectedWtLpt
                   2202: %  = cone.g_ineq*cone.Wt*cone.Lpt \/ cone.w_ineq*coneWt*cone.Lpt
                   2203:
                   2204:   /cone.gw_ineq_projectedWtLpt
                   2205:      cone.gw_ineq_projectedWt cone.Lpt mul
                   2206:   def
                   2207:
                   2208:   cone.m cone.d eq  {
                   2209:     /cone.cinit.d cone.cinit def
                   2210:   } {
                   2211: % cone.m > cone.d $B$J$i$P(B, $B:FEY(B cone $B$N7W;;$,I,MW(B.
                   2212: % R^d $B$N(B cone $B$O(B cone.cinit.d $B$XF~$l$k(B.
                   2213:     cone.gw_ineq_projectedWtLpt getConeInfo /cone.cinit.d set
                   2214:   } ifelse
                   2215:
                   2216:   cone.cinit.d 1 get newCone /cone.startingCone set
                   2217:
                   2218:   (cone.startingCone is ) message
                   2219:   cone.startingCone message
                   2220:  ] pop
                   2221:  popVariables
                   2222:  cone.startingCone
                   2223: } def
                   2224:
                   2225: %
                   2226: %  data/test9.sm1 $B$N(B test9   1-simplex X 2-simplex
                   2227: %
                   2228: %  data/test10.sm1   1-simplex X 3-simplex
                   2229: %  data/test11.sm1   SST, p.59
                   2230: %
                   2231: %  $B$$$h$$$h(B, cone enumeration $B$N%W%m%0%i%`=q$-3+;O(B
                   2232: %
                   2233:
                   2234: %<
                   2235: % Usages: cone markBorder
                   2236: %   cone->facets[i] $B$,(B weight space $B$N(B border $B$K$"$k$H$-(B
                   2237: %   cone->flipped[i] = 2 $B$H$9$k(B.
                   2238: %   $B$3$l$r(B cone $B$N$9$Y$F$N(B facet $B$KBP$7$F7W;;(B.
                   2239: %>
                   2240: /markBorder {
                   2241:   /arg1 set
1.4       takayama 2242:   [/cone /facets_t /flipped_t /kk /nextcid_t /nextfid_t] pushVariables
1.1       takayama 2243:   [
                   2244:     /cone arg1 def
                   2245:     cone (facets) getNode 2 get /facets_t set
                   2246:     cone (flipped) getNode 2 get /flipped_t set
1.4       takayama 2247:     cone (nextcid) getNode 2 get /nextcid_t set
                   2248:     cone (nextfid) getNode 2 get /nextfid_t set
1.1       takayama 2249:     0 1 flipped_t length 1 sub {
                   2250:       /kk set
                   2251:       flipped_t kk get (0).. eq {
                   2252:          cone kk isOnWeightBorder {
                   2253: % Border $B$N>e$K$"$k$N$G(B flip $B:Q$N%^!<%/$r$D$1$k(B.
                   2254:            flipped_t kk (2).. put
1.4       takayama 2255: % $B$H$J$j$N(B cone $B$N(B id (nextcid, nextfid) $B$O(B -2 $B$H$9$k(B.
                   2256:            nextcid_t kk (-2).. put
                   2257:            nextfid_t kk (-2).. put
1.1       takayama 2258:          } {  } ifelse
                   2259:       } {  } ifelse
                   2260:     } for
                   2261:   ] pop
                   2262:   popVariables
                   2263: } def
                   2264:
                   2265: %<
                   2266: % Usages: ncone updateFan
                   2267: % $B%0%m!<%P%kJQ?t(B cone.fan $B$r99?7$9$k(B.
                   2268: %>
                   2269: %
                   2270: % updateFan $B$N(B debug $B$O(B data/test8 $B$G$H$j$"$($:$d$k(B.
                   2271: %  test8 /ncone set $B$r<B9T$7$F$+$i(B  ncone updateFan
                   2272:
                   2273: % global: cone.fan
                   2274: /cone.fan [  ] def
                   2275: % global: cone.incidence
                   2276: /cone.incidence [ ] def
1.2       takayama 2277: % global: cone.gblist   gb's standing for each cones in cone.fan.
                   2278: /cone.gblist [ ] def
1.1       takayama 2279:
                   2280: /updateFan {
                   2281:   /arg1 set
                   2282:   [/ncone /kk /cfacet /ii /jj /tcone /flipped_t] pushVariables
                   2283:   [
                   2284:     /ncone arg1 def
                   2285:     /cone.fan.n  cone.fan length def
1.2       takayama 2286: % -1.  cone.cgb ($BD>A0$K7W;;$5$l$?(B gb) $B$H(B cone.cgb_weight ($BD>A0$N7W;;$N(B weight)
                   2287: %    $B$r(B cone.gblist $B$X3JG<$9$k(B.
                   2288:     cone.gblist [ [cone.cgb cone.cgb_weight] newConeGB ] join /cone.gblist set
1.1       takayama 2289: % 0. ncone $B$,(B cone.fan $B$K$9$G$K$"$l$P%(%i!<(B
                   2290:     0 1 cone.fan.n 1 sub {
                   2291:       /kk set
                   2292:       ncone cone.fan kk get isSameCone {
                   2293:          (Internal error updateFan: ncone is already in cone.fan) error
                   2294:       } {  } ifelse
                   2295:     } for
                   2296:
                   2297: % 1. ncone $B$NCf$N(B border $B>e$N(B facet $B$r$9$Y$F(B mark.
                   2298:     ncone markBorder
                   2299:
                   2300: % 2. ncone /\ cone.fan[kk] $B$,$"$k$+D4$Y$k(B. $B$"$l$P(B Mark $B$9$k(B. incidence graph $B$K2C$($k(B
                   2301:     0 1 cone.fan.n 1 sub {
                   2302:       /kk set
                   2303:       ncone cone.fan kk get getCommonFacet  /cfacet set
                   2304:       cfacet 0 get
                   2305:       {
                   2306: % $B6&DL(B facet $B$,$"$k>l9g(B. [[cone$BHV9f(B face$BHV9f(B] [cone$BHV9f(B face$BHV9f(B]] $B$N7A<0$G3JG<(B.
                   2307:          /ii cfacet 1 get  0 get def
                   2308:          /jj cfacet 2 get  0 get def
                   2309:          cone.incidence [ [[cone.fan.n ii] [kk jj]] ] join /cone.incidence set
                   2310: % flipped $B$r(B mark $B$9$k(B.
                   2311:          ncone ii markFlipped
                   2312:          cone.fan kk get /tcone set
                   2313:          tcone jj markFlipped
1.4       takayama 2314: % nextcid, nextfid $B$r@_Dj$9$k(B.
                   2315:          ncone ii [kk jj] markNext
                   2316:          tcone jj [cone.fan.n ii] markNext
1.1       takayama 2317:       } {  } ifelse
                   2318:     } for
                   2319: % 3. ncone $B$r2C$($k(B.
                   2320:     cone.fan [ncone] join /cone.fan set
                   2321:   ] pop
                   2322:   popVariables
                   2323: } def
                   2324:
                   2325: %<
                   2326: % usages: getNextFlip [cone, k]
                   2327: % cone.fan $B$r8!:w$7$F(B $B$^$@(B flip $B$7$F$J$$(B cone $B$H(B facet $B$NAH$rLa$9(B.
                   2328: % $B$b$&$J$$$H$-$K$O(B null $B$rLa$9(B.
                   2329: %>
                   2330: /getNextFlip {
                   2331:   [/tcone /ans /ii ] pushVariables
                   2332:   [
                   2333:     /ans null def
                   2334:     0 1 cone.fan length 1 sub {
                   2335:       /ii set
                   2336:       cone.fan  ii get /tcone set
                   2337:       tcone getNextFacet /ans set
                   2338:       ans tag 0 eq { } { exit } ifelse
                   2339:     } for
                   2340:     ans tag 0 eq { /arg1 null def }
                   2341:     { /arg1 [tcone ans] def } ifelse
                   2342:   ] pop
                   2343:   popVariables
                   2344:   arg1
                   2345: } def
                   2346:
                   2347: % global variable : cone.epsilon , cone.epsilon.limit
                   2348: %   flip $B$N;~$N(B epsilon
                   2349: /cone.epsilon (1).. (10).. div def
                   2350: /cone.epsilon.limit (1).. (100).. div def
                   2351:
                   2352: %<
                   2353: %  Usages: result_getNextFlip getNextCone ncone
                   2354: %  flip $B$7$F?7$7$$(B ncone $B$rF@$k(B.
                   2355: %>
                   2356: /getNextCone {
                   2357:  /arg1 set
                   2358:  [/ncone /ccone /kk /w /next_weight_w_wv] pushVariables
                   2359:  [
                   2360:   /ccone arg1 def
                   2361:   /ncone null def
                   2362:   /kk ccone 1 get def
                   2363:   ccone 0 get /ccone set
                   2364:   {
                   2365:    ccone tag 0 eq { exit } {  } ifelse
                   2366:
                   2367: % ccone $B$N(B kk $BHVL\$N(B facet $B$K$D$$$F(B flip $B$9$k(B.
                   2368:    ccone kk cone.epsilon flipWeight  /w set
                   2369:    (Trying new weight is ) messagen w message
                   2370:    w liftWeight /next_weight_w_wv set
                   2371:    (Trying new weight [w,wv] is ) messagen next_weight_w_wv message
                   2372:
                   2373:    cone.input next_weight_w_wv 1 get cone.gb /cone.cgb set
1.2       takayama 2374:    [w] next_weight_w_wv join /cone.cgb_weight set
1.1       takayama 2375:    next_weight_w_wv 1 get cone.cgb coneEq /cone.g_ineq set
                   2376:    cone.g_ineq cone.w_ineq join cone.Wt mul cone.Lpt mul
                   2377:    pruneZeroVector /cone.gw_ineq_projectedWtLpt set
                   2378:
                   2379:    (cone.gw_ineq_projectedWtLpt is obtained.) message
                   2380:
                   2381:    cone.gw_ineq_projectedWtLpt getConeInfo /cone.nextConeInfo set
                   2382: % $B<!85$rD4$Y$k(B.  $B$@$a$J$i(B retry
                   2383:    cone.nextConeInfo 0 get 0 get to_int32 cone.d eq {
                   2384:      cone.nextConeInfo 1 get newCone /ncone set
                   2385:      ccone ncone getCommonFacet 0 get {
                   2386:        (Flip succeeded.) message
                   2387:        exit
                   2388:      } { } ifelse
                   2389:    } { } ifelse
                   2390: % common face $B$,$J$1$l$P(B $B$d$O$j(B epsilon $B$r>.$5$/(B.
                   2391:    cone.nextConeInfo 0 get 0 get to_int32 cone.d eq {
                   2392:     (ccone and ncone do not have a common facet.) message
                   2393:    } {
                   2394:     (ncone is not maximal dimensional. ) message
                   2395:    } ifelse
                   2396:    (Decreasing epsilon to ) messagen
                   2397:    cone.epsilon (1).. (2).. div mul /cone.epsilon set
                   2398:      cone.epsilon cone.epsilon.limit sub numerator (0).. lt {
                   2399:        (Too small cone.epsilon ) error
                   2400:      }  {  } ifelse
                   2401:    cone.epsilon message
                   2402:   } loop
                   2403:   /arg1 ncone def
                   2404:  ] pop
                   2405:  popVariables
                   2406:  arg1
                   2407: } def
                   2408:
                   2409: %<
                   2410: % Usages: set globals and getGrobnerFan
                   2411: %  cf. clearGlobals
                   2412: % getStartingCone $B$9$k$H(B weightSpace $B$H$+$N7W;;$,$G$-$k(B. isOnWeightBorder $B$,(B
                   2413: %  $B7h$a$i$l$k(B.
                   2414: %>
                   2415: % $B$H$j$"$($:(B (data/test8.sm1) run $B$7$F$+$i(B getGrobnerFan
                   2416: /getGrobnerFan {
                   2417:   getStartingCone /cone.ncone set
                   2418:   {
                   2419:     cone.ncone updateFan
                   2420:     (  ) message
                   2421:     (----------------------------------------------------------) message
                   2422:     (getGrobnerFan #cone.fan=) messagen cone.fan length message
                   2423:     cone.ncone /cone.ccone set
                   2424:     getNextFlip /cone.nextflip set
                   2425:     cone.nextflip tag 0 eq { exit } { } ifelse
                   2426:     cone.nextflip getNextCone /cone.ncone set
                   2427:   } loop
1.2       takayama 2428:   (Construction  is completed. See cone.fan, cone.incidence and cone.gblist.)
                   2429:   message
                   2430: } def
                   2431:
                   2432: %<
                   2433: % Usages: vlist generateD1_1
                   2434: %  -1,1  weight $B$r@8@.$9$k(B.
                   2435: %  vlist $B$O(B (t,x,y) $B$+(B [(t) (x) (y)]
                   2436: %
                   2437: %>
                   2438: /generateD1_1 {
                   2439:   /arg1 set
                   2440:   [/vlist /rr /rr /ii /vv] pushVariables
                   2441:   [
                   2442:     /vlist arg1 def
                   2443:     vlist isString {
                   2444:       [vlist to_records pop] /vlist set
                   2445:     } {  } ifelse
                   2446:     [
                   2447:       0 1 vlist length 1 sub {
                   2448:         /ii set
                   2449:         vlist ii get /vv set
                   2450:         vv -1
                   2451:         [@@@.Dsymbol vv] cat 1
                   2452:       } for
                   2453:     ] /rr set
                   2454:     /arg1 rr def
                   2455:   ] pop
                   2456:   popVariables
                   2457:   arg1
                   2458: } def
                   2459:
                   2460: /listNodes {
                   2461:   /arg1 set
                   2462:   [/in-listNodes /ob /rr /rr /ii] pushVariables
                   2463:   [
                   2464:     /ob arg1 def
                   2465:     /rr [ ] def
                   2466:     {
                   2467:       ob isClass {
                   2468:         ob (array) dc /ob set
                   2469:       } { exit } ifelse
                   2470:       rr [ob 0 get] join /rr set
                   2471:       ob 2 get /ob set
                   2472:       0 1 ob length 1 sub {
                   2473:          /ii set
                   2474:          rr ob ii get listNodes join /rr set
                   2475:       } for
                   2476:       exit
                   2477:     } loop
                   2478:     /arg1 rr def
                   2479:   ] pop
                   2480:   popVariables
                   2481:   arg1
                   2482: } def
                   2483: [(listNodes)
                   2484: [(ob listNodes)
                   2485:  (cf. getNode)
                   2486:  (Example:)
                   2487:  (  /dog [(dog) [[(legs) 4] ] [ ]] [(class) (tree)] dc def)
                   2488:  (  /man [(man) [[(legs) 2] ] [ ]] [(class) (tree)] dc def)
                   2489:  (  /ma [(mammal) [ ] [man dog]] [(class) (tree)] dc def)
                   2490:  (  ma listNodes )
                   2491: ]] putUsages
                   2492:
                   2493: %<
                   2494: % Usages:  obj printTree
                   2495: %>
                   2496: /printTree {
                   2497:   /arg1 set
                   2498:   [/ob /rr /rr /ii /keys /tt] pushVariables
                   2499:   [
                   2500:     /ob arg1 def
                   2501:     /rr [ ] def
                   2502:     /keys ob listNodes def
                   2503:     keys 0 get /tt set
                   2504:     keys rest /keys set
                   2505:     keys { ob 2 1 roll getNode } map /rr set
                   2506:     (begin ) messagen  tt messagen
                   2507:     ( ---------------------------------------) message
                   2508:     0 1 rr length 1 sub {
                   2509:        /ii set
                   2510:        keys ii get messagen (=) message
                   2511:        rr ii get 2 get pmat
                   2512:     } for
                   2513:     (--------------------------------------- end ) messagen
                   2514:     tt message
                   2515:     /arg1 rr def
                   2516:   ] pop
                   2517:   popVariables
                   2518:   arg1
                   2519: } def
                   2520:
                   2521: %<
                   2522: % Usages $B$O(B (inputForm) usages $B$r$_$h(B.
                   2523: %>
                   2524: /inputForm {
                   2525:   /arg1 set
                   2526:   [/ob /rr /i ] pushVariables
                   2527:   [
                   2528:     /ob  arg1 def
                   2529:     /rr [ ] def
                   2530:     {
                   2531:      ob isArray {
                   2532:        rr [ ([) ] join /rr set
                   2533:        0 1 ob length 1 sub {
                   2534:          /i set
                   2535:          i ob length 1 sub lt {
                   2536:            rr [ob i get inputForm $ , $] join /rr set
                   2537:          } {
                   2538:            rr [ob i get inputForm] join /rr set
                   2539:          } ifelse
                   2540:        } for
                   2541:        rr [ (]) ] join cat /rr set
                   2542:        exit
                   2543:      } { } ifelse
                   2544:      ob isClass {
                   2545:        ob etag 263 eq { % tree
                   2546:          /rr ob inputForm.tree def exit
                   2547:        } { /rr [( $ this etag is not implemented $ )] cat def exit  } ifelse
                   2548:      } {  } ifelse
                   2549:      ob isUniversalNumber {
                   2550:        [$($ ob toString $)..$] cat /rr set
                   2551:        exit
                   2552:      } {  } ifelse
                   2553:      ob isPolynomial {
                   2554:        [$($ ob toString $).$] cat /rr set
                   2555:        exit
                   2556:      } {  } ifelse
                   2557:      ob isRational {
                   2558:        [$ $ ob (numerator) dc inputForm $ $
                   2559:             ob (denominator) dc inputForm $ div $ ] cat /rr set
                   2560:        exit
                   2561:      } {  } ifelse
                   2562:      ob isString {
                   2563:        [$($ ob $)$ ] cat /rr set
                   2564:        exit
                   2565:      } {  } ifelse
                   2566:      ob toString /rr set
                   2567:      exit
                   2568:     } loop
                   2569:     rr /arg1 set
                   2570:   ] pop
                   2571:   popVariables
                   2572:   arg1
                   2573: } def
                   2574: [(inputForm)
                   2575:  [(obj inputForm str)
                   2576: ]] putUsages
                   2577: % should be moved to dr.sm1
                   2578:
                   2579: /inputForm.tree {
                   2580:   /arg1 set
                   2581:   [/ob /key /rr /rr /ii] pushVariables
                   2582:   [
                   2583:     /ob arg1 def
                   2584:     /rr [ ] def
                   2585:     {
                   2586:       ob (array) dc /ob set
                   2587:       /rr [ $[$ ob 0 get inputForm $ , $
                   2588:             ob 1 get inputForm $ , $
                   2589:           ] def
                   2590:       rr  [ob 2 get inputForm ] join /rr set
                   2591:       rr [$ ] $] join /rr set
                   2592:       rr [ $ [(class) (tree)] dc $ ] join /rr set
                   2593:       rr cat /rr set
                   2594:       exit
                   2595:     } loop
                   2596:     /arg1 rr def
                   2597:   ] pop
                   2598:   popVariables
                   2599:   arg1
                   2600: } def
                   2601:
                   2602: %<
                   2603: % Usages: str inputForm.value str
                   2604: %>
                   2605: /inputForm.value {
                   2606:   /arg1 set
                   2607:   [/key /val /valstr /rr] pushVariables
                   2608:   [
                   2609:     arg1 /key set
                   2610:     key isString { } {(inputForm.value: argument must be a string) error } ifelse
                   2611:     key boundp {
                   2612:      [(parse) key] extension pop
                   2613:      /val set
                   2614:      val inputForm /valstr set
                   2615:      [( ) valstr ( /) key ( set )] cat /rr set
                   2616:     } {
                   2617:      /valstr [] cat /rr set
                   2618:     } ifelse
                   2619:     rr /arg1 set
                   2620:   ] pop
                   2621:   popVariables
                   2622:   arg1
                   2623: } def
                   2624:
                   2625: % global: cone.withGblist
                   2626: /cone.withGblist 0 def
                   2627: %<
                   2628: % Usages:  saveGrobnerFan  str
                   2629: %  GrobnerFan $B$N%G!<%?$r(B inputForm $B$KJQ99$7$FJ8;zNs$KJQ$($k(B.
                   2630: %  $B$3$N%G!<%?$r(B parse $B$9$k$H(B GrobnerFan $B$rF@$k$3$H$,2DG=(B.
                   2631: %  BUG: $BB?9`<0$NB0$9$k4D$N%G!<%?$NJ]B8$O$^$@$7$F$J$$(B.
                   2632: %>
                   2633: /saveGrobnerFan {
                   2634:   [/rr] pushVariables
                   2635:   [
                   2636:     (cone.withGblist=) messagen cone.withGblist message
                   2637:     [
                   2638: % $B%f!<%6$N@_Dj$9$k%Q%i%a!<%?(B. cone.gb, cone.parametrizeWeightSpace $BEy$N4X?t$b$"$j(B.
                   2639:       (cone.comment)
                   2640:       (cone.type)  (cone.local) (cone.h0)
                   2641:       (cone.vlist) (cone.vv)
                   2642:       (cone.input)
                   2643:
                   2644: % $B%W%m%0%i%`Cf$GMxMQ$9$k(B, $BBg;v$JBg0hJQ?t(B.  weight vector $B$N<M1F9TNs$,=EMW(B.
                   2645:       (cone.n) (cone.m) (cone.d)
                   2646:       (cone.W) (cone.Wpos) (cone.Wt)
                   2647:       (cone.L) (cone.Lp) (cone.Lpt)
                   2648:       (cone.weightBorder)
                   2649:       (cone.w_ineq)
                   2650:       (cone.w_ineq_projectedWt)
                   2651:       (cone.epsilon)
                   2652:
                   2653: % $B7k2L$NMWLs(B.
                   2654:       (cone.fan)
                   2655:       cone.withGblist { (cone.gblist) } {  } ifelse
                   2656:       (cone.incidence)
                   2657:
                   2658:     ] { inputForm.value  nl } map /rr set
1.3       takayama 2659:     rr cat /rr set
                   2660: % ring $B$r(B save $B$7$F$J$$$N$GEv:B$NBP=h(B.
                   2661:     [ ([) cone.vv inputForm ( ring_of_differential_operators 0 ] define_ring )
                   2662:       nl nl rr] cat /arg1 set
1.2       takayama 2663:   ] pop
                   2664:   popVariables
                   2665:   arg1
                   2666: } def
                   2667:
                   2668: /printGrobnerFan.1 {
                   2669:   /arg1 set
                   2670:   [/key /rr] pushVariables
                   2671:   [
                   2672:     /key arg1 def
                   2673:     key boundp {
                   2674:       [(parse) key] extension pop /rr set
                   2675:       rr isArray {
                   2676:         key messagen ( = ) message  rr pmat
                   2677:       } {
                   2678:         key messagen ( = ) messagen rr message
                   2679:       } ifelse
                   2680:     }{
                   2681:       key  messagen ( = ) message
                   2682:     } ifelse
                   2683:   ] pop
                   2684:   popVariables
                   2685: } def
                   2686:
                   2687: /printGrobnerFan {
                   2688:   [/i] pushVariables
                   2689:   [
                   2690:   (==========  Grobner Fan ====================) message
                   2691:    [
                   2692:       (cone.comment)
                   2693:       (cone.vlist) (cone.vv)
                   2694:       (cone.input)
                   2695:       (cone.type)  (cone.local) (cone.h0)
                   2696:       (cone.n) (cone.m) (cone.d)
                   2697:       (cone.W) (cone.Wpos) (cone.Wt)
                   2698:       (cone.L) (cone.Lp) (cone.Lpt)
                   2699:       (cone.weightBorder)
                   2700:       (cone.incidence)
                   2701:    ] { printGrobnerFan.1 } map
                   2702:    (   ) message
                   2703:    0 1 cone.fan length 1 sub {
                   2704:      /ii set
                   2705:      ii messagen ( : ) messagen
                   2706:      cone.fan ii get printTree
                   2707:    } for
                   2708:    cone.withGblist {
                   2709:     0 1 cone.gblist length 1 sub {
                   2710:       /ii set
                   2711:       ii messagen ( : ) messagen
                   2712:       cone.gblist ii get printTree
                   2713:     } for
                   2714:   } {  } ifelse
                   2715:
                   2716:
                   2717:   (=========================================) message
                   2718:   (cone.withGblist = ) messagen cone.withGblist message
                   2719:   (  ) message
                   2720:   ] pop
                   2721:   popVariables
                   2722: } def
                   2723:
                   2724: %<
                   2725: % Usages:  m uniq
                   2726: % Remove duplicated lines.
                   2727: %>
                   2728: /uniq  {
                   2729:   /arg1 set
                   2730:   [/mm /prev /i /rr] pushVariables
                   2731:   [
                   2732:     /mm arg1 def
                   2733:    {
                   2734:      mm length 0 eq { [ ] /rr set exit } {  } ifelse
                   2735:      /prev mm 0 get def
                   2736:      [
                   2737:        prev
                   2738:        1 1 mm length 1 sub {
                   2739:          /i set
                   2740:          mm i get prev sub isZero { }
                   2741:          { /prev mm i get def prev } ifelse
                   2742:        } for
                   2743:       ] /rr set
                   2744:       exit
                   2745:     } loop
                   2746:     rr /arg1 set
                   2747:   ] pop
                   2748:   popVariables
                   2749:   arg1
                   2750: } def
1.3       takayama 2751:
                   2752: %<
                   2753: % Usages: [vlist vw_vector] getGrRing [vlist vGlobal sublist]
                   2754: %      example:  [(x,y,z) [(x) -1 (Dx) 1 (y) 1 (Dy) 2]] getGrRing
                   2755: %                [(x,y,z,y') [(x)] [[(Dy) (y')]]]
                   2756: %  h[0,1](D_0) $B@lMQ$N(B getGrRing.
                   2757: %     u_i + v_i > 0 $B$J$i(B  Dx_i ==> x_i' ($B2D49$JJQ?t(B). sublist $B$X(B.
                   2758: %     u_i < 0 $B$J$i(B x_i $B$O(B vGlobal $B$X(B.
                   2759: %  ii [vlist vGlobal sublist] toGrRing /ii set
                   2760: %  [ii jj vlist [(partialEcartGlobalVarX) vGlobal]] ecart.isSameIdeal $B$H;H$&(B.
                   2761: %>
                   2762: /getGrRing {
                   2763:   /arg1 set
                   2764:   [/vlist /vw_vector /ans /vGlobal /sublist /newvlist
                   2765:    /dlist /tt /i /u /v /k
                   2766:    ] pushVariables
                   2767:   [
                   2768:     /vlist arg1 0 get def
                   2769:     /vw_vector arg1 1 get def
                   2770:
                   2771:     vlist isString { [vlist to_records pop] /vlist set } { } ifelse
                   2772:     vlist { toString } map /vlist set
                   2773: % dlist $B$O(B [(Dx) (Dy) (Dz)] $B$N%j%9%H(B.
                   2774:     vlist { /tt set [@@@.Dsymbol tt] cat } map /dlist set
                   2775:
                   2776:     /newvlist [ ] def /sublist [ ] def /vGlobal [ ] def
                   2777: % $B2D49$J?7$7$$JQ?t$r(B newvlist $B$X(B. $BCV49I=$r(B sublist $B$X(B.
                   2778:     0 1 vlist length 1 sub {
                   2779:       /i set
                   2780: %  (u,v) $B$O(B (x_i, Dx_i) $B$KBP$9$k(B weight vector
                   2781:       /u vlist i get , vw_vector getGrRing.find  def
                   2782:       u -1 gt {
                   2783:         vw_vector , u 1 add , get /u set
                   2784:       }  { /u 0 def } ifelse
                   2785:
                   2786:       /v dlist i get , vw_vector getGrRing.find  def
                   2787:       v -1 gt {
                   2788:         vw_vector , v 1 add , get /v set
                   2789:       }  { /v 0 def } ifelse
                   2790:       u to_int32 /u set , v to_int32 /v set
                   2791:
                   2792:       u v add , 0  gt {
                   2793:         newvlist [vlist i get]  join /newvlist set
                   2794:       } {  } ifelse
                   2795:       u 0 lt {
                   2796:         vGlobal [vlist i get] join /vGlobal set
                   2797:       } {  } ifelse
                   2798:     } for
                   2799:
                   2800:     newvlist { /tt set [ [@@@.Dsymbol tt] cat [tt (')] cat ] } map
                   2801:     /sublist set
                   2802:
                   2803:     /ans [ vlist , newvlist { /tt set [tt (')] cat } map , join  from_records
                   2804:            vGlobal sublist] def
                   2805:     /arg1 ans def
                   2806:   ] pop
                   2807:   popVariables
                   2808:   arg1
                   2809: } def
                   2810:
                   2811: %<
                   2812: % Usages: a uset getGrRing.find index
                   2813: %>
                   2814: /getGrRing.find {
                   2815:    /arg2 set /arg1 set
                   2816:    [/a /uset /ans /i]  pushVariables
                   2817:    [
                   2818:      /a arg1 def /uset arg2 def
                   2819:      /ans -1 def
                   2820:      { /ans -1 def
                   2821:        0 1 , uset length 1 sub {
                   2822:          /i set
                   2823:          a tag , uset i get tag eq {
                   2824:            a , uset i get eq {
                   2825:              /ans i def  exit
                   2826:            } { } ifelse
                   2827:          } { } ifelse
                   2828:        } for
                   2829:        exit
                   2830:      } loop
                   2831:      /arg1 ans def
                   2832:    ] pop
                   2833:    popVariables
                   2834:    arg1
                   2835: } def
                   2836:
                   2837: %<
                   2838: % Usages: g1 g2 isSameGrRing bool
                   2839: %  g1, g2 $B$O(B getGrRing $B$NLa$jCM(B.
                   2840: %>
                   2841: /isSameGrRing {
                   2842:   /arg2 set /arg1 set
                   2843:   [/g1 /g2 /ans] pushVariables
                   2844:   [
                   2845:     /g1 arg1 def /g2 arg2 def
                   2846:     {
                   2847:        /ans 1 def
                   2848:        g1 0 get , g2 0 get eq { } { /ans 0 def exit } ifelse
                   2849:        exit
                   2850:        g1 1 get , g2 1 get eq { } { /ans 0 def exit } ifelse
                   2851:     } loop
                   2852:     /arg1 ans def
                   2853:   ] pop
                   2854:   popVariables
                   2855:   arg1
                   2856: } def
                   2857:
                   2858: %<
                   2859: % Usages:  [[ii i_vw_vector] [jj j_vw_vector] vlist] isSameInGrRing_h
1.4       takayama 2860: % It computes gb.
1.3       takayama 2861: %>
                   2862: /isSameInGrRing_h {
                   2863:   /arg1 set
                   2864:   [/ii /i_vw_vector /jj /j_vw_vector /vlist
                   2865:    /i_gr /j_gr /rrule /ans] pushVariables
                   2866:   [
                   2867:     /ii arg1 [0 0] get def
                   2868:     /i_vw_vector arg1 [0 1] get def
                   2869:     /jj arg1 [1 0] get def
                   2870:     /j_vw_vector arg1 [1 1] get def
                   2871:     /vlist arg1 2 get def
                   2872:     {
                   2873:       [vlist i_vw_vector] getGrRing /i_gr set
                   2874:       [vlist j_vw_vector] getGrRing /j_gr set
                   2875:       i_gr j_gr isSameGrRing {  } { /ans [0 [i_gr j_gr]] def exit} ifelse
                   2876:
                   2877: % bug: in case of module
                   2878:       [i_gr 0 get , ring_of_differential_operators 0] define_ring
                   2879:
                   2880: % H $B$r(B 1 $B$K(B.
                   2881:       /rrule [ [@@@.Hsymbol . (1).] ] def
                   2882:
                   2883:       i_gr 2 get length 0 eq {
                   2884:       } {
                   2885:         rrule i_gr 2 get  { { . } map } map join /rrule set
                   2886:       } ifelse
                   2887:       ii { toString . rrule replace toString } map /ii set
                   2888:       jj { toString . rrule replace toString } map /jj set
                   2889:
                   2890:       [ii jj i_gr 0 get , i_gr 1 get] ecartd.isSameIdeal_h /ans set
                   2891:       [ans [i_gr] rrule ecartd.isSameIdeal_h.failed]  /ans set
                   2892:
                   2893:       exit
                   2894:     } loop
                   2895:     /arg1 ans def
                   2896:   ] pop
                   2897:   popVariables
                   2898:   arg1
                   2899: } def
                   2900:
                   2901: /test1.isSameInGrRing_h {
                   2902:   [(parse) (data/test8-data.sm1) pushfile] extension
                   2903:
                   2904:   cone.gblist 0 get (initial) getNode 2 get /ii set
                   2905:   cone.gblist 0 get (weight) getNode [2 0 2] get    /iiw set
                   2906:
                   2907:   cone.gblist 1 get (initial) getNode 2 get /jj set
                   2908:   cone.gblist 1 get (weight) getNode [2 0 2] get    /jjw set
                   2909:
                   2910:   (Doing   [ [ii iiw] [jj jjw] cone.vv ] isSameInGrRing_h /ff set) message
                   2911:   [ [ii iiw] [jj jjw] cone.vv ] isSameInGrRing_h /ff set
                   2912:
                   2913:   ff pmat
                   2914:
                   2915: } def
                   2916:
                   2917:
                   2918: %<
1.4       takayama 2919: % Usages: i j isSameCone_h.0  [bool, ...]
                   2920: % $B%F%9%HJ}K!(B.  (data/test8.sm1) run  (data/test8-data.sm1) run 0 1 isSameCone_h.0
                   2921: % gb $B$r:FEY7W;;$9$k(B stand alone $BHG(B.  gr(Local ring) $B$GHf3S(B.
1.3       takayama 2922: %>
1.4       takayama 2923: /isSameCone_h.0 {
1.3       takayama 2924:   /arg2 set /arg1 set
                   2925:   [/i /j /ans /ii /iiw /jj /jjw] pushVariables
                   2926:   [
                   2927:     /i arg1 def /j arg2 def
1.4       takayama 2928:     i to_int32 /i set , j to_int32 /j set
1.3       takayama 2929:     cone.debug { (Comparing ) messagen [i j]  message } { } ifelse
                   2930:
                   2931:     cone.gblist i get (initial) getNode 2 get /ii set
                   2932:     cone.gblist i get (weight) getNode [2 0 2] get    /iiw set
                   2933:
                   2934:     cone.gblist j get (initial) getNode 2 get /jj set
                   2935:     cone.gblist j get (weight) getNode [2 0 2] get    /jjw set
                   2936:
                   2937:     [ [ii iiw] [jj jjw] cone.vv ] isSameInGrRing_h /ans set
                   2938:
                   2939:     ans /arg1 set
                   2940:   ] pop
                   2941:   popVariables
                   2942:   arg1
                   2943: } def
                   2944:
1.4       takayama 2945: %<
                   2946: % Usages: [ii vv i_vw_vector] getGbInGrRing_h [ii_gr  i_gr]
                   2947: % Get Grobner Basis of ii in the graded ring.
                   2948: % The graded ring is obtained automatically from vv and i_vw_vector.
                   2949: % ii_gr is the Grobner basis. i_gr is the output of getGrRing.
                   2950: % cf. isSameInGrRing_h,   ecart.isSameIdeal_h with [(noRecomputation) 1]
                   2951: %>
                   2952: /getGbInGrRing_h {
                   2953:   /arg1 set
                   2954:   [/ii /i_vw_vector /vlist  /rng /vv /vvGlobal /wv /iigg
                   2955:    /i_gr  /rrule /ans] pushVariables
                   2956:   [
                   2957:     /ii arg1 0 get def
                   2958:     /vlist arg1 1 get def
                   2959:     /i_vw_vector arg1 2 get def
                   2960:     [vlist i_vw_vector] getGrRing /i_gr set
                   2961:
                   2962: % bug: in case of module
                   2963:     [i_gr 0 get , ring_of_differential_operators 0] define_ring
                   2964:
                   2965: % H $B$r(B 1 $B$K(B.
                   2966:     /rrule [ [@@@.Hsymbol . (1).] ] def
                   2967:
                   2968:     i_gr 2 get length 0 eq {
                   2969:     } {
                   2970:       rrule i_gr 2 get  { { . } map } map join /rrule set
                   2971:     } ifelse
                   2972:     /vvGlobal i_gr 1 get def
                   2973:     /vv i_gr 0 get def
                   2974:
                   2975:     ii { toString . rrule replace toString } map /ii set
                   2976:
                   2977:     [vv vvGlobal] ecart.stdBlockOrder /wv set
                   2978:       vvGlobal length 0 eq {
                   2979:       /rng [vv wv ] def
                   2980:     }{
                   2981:       /rng [vv wv [(partialEcartGlobalVarX) vvGlobal]] def
                   2982:     } ifelse
                   2983:     /save-cone.autoHomogenize ecart.autoHomogenize def
                   2984:     /ecart.autoHomogenize 0 def
                   2985:     [ii] rng join  ecartd.gb  /iigg set
                   2986:     save-cone.autoHomogenize /ecart.autoHomogenize set
                   2987:     /ans [iigg 0 get i_gr] def
                   2988:     /arg1 ans def
                   2989:   ] pop
                   2990:   popVariables
                   2991:   arg1
                   2992: } def
                   2993:
                   2994: /test1.getGbInGrRing_h {
                   2995:   [(parse) (data/test8-data.sm1) pushfile] extension
                   2996:
                   2997:   cone.gblist 0 get (initial) getNode 2 get /ii set
                   2998:   cone.gblist 0 get (weight) getNode [2 0 2] get    /iiw set
                   2999:   [ii cone.vv iiw] getGbInGrRing_h /ff1 set
                   3000:
                   3001:   cone.gblist 1 get (initial) getNode 2 get /jj set
                   3002:   cone.gblist 1 get (weight) getNode [2 0 2] get    /jjw set
                   3003:   [jj cone.vv jjw] getGbInGrRing_h /ff2 set
                   3004:
                   3005:   (ff1 and ff2) message
                   3006:
                   3007: } def
                   3008:
                   3009:
                   3010: %<
                   3011: % setGrGblist
                   3012: %  cone.grGblist $B$r@_Dj$9$k(B.
                   3013: %>
                   3014: /setGrGblist {
                   3015:   [/ii /ww /gg] pushVariables
                   3016:   [
                   3017:     cone.gblist {
                   3018:       /gg set
                   3019:       gg (initial) getNode 2 get /ii set
                   3020:       gg (weight) getNode [2 0 2] get /ww set
                   3021:       [ii cone.vv ww] getGbInGrRing_h
                   3022:     } map /cone.grGblist set
                   3023:   ] pop
                   3024:   popVariables
                   3025: } def
                   3026:
                   3027: %<
                   3028: % Usages: i j isSameCone_h.2  [bool, ...]
                   3029: % gb $B$r:FEY7W;;$7$J$$(B.
                   3030: %>
                   3031: /isSameCone_h.2 {
                   3032:   /arg2 set /arg1 set
                   3033:   [/i /j /ans /ii /iiw /jj /jjw] pushVariables
                   3034:   [
                   3035:     /i arg1 def /j arg2 def
                   3036:      i to_int32 /i set , j to_int32 /j set
                   3037:     (cone.grGblist) boundp { } { setGrGblist } ifelse
                   3038:     cone.debug { (Comparing ) messagen [i j]  message } { } ifelse
                   3039:
                   3040:     cone.grGblist i get /ii set
                   3041:     cone.grGblist j get /jj set
                   3042:
                   3043:     ii 1 get ,  jj 1 get isSameGrRing {  }
                   3044:     { /ans [0 [ii 1 get jj 1 get]] def exit} ifelse
                   3045:
                   3046:     [ii 0 get , jj 0 get cone.vv [[(noRecomputation) 1]] ]
                   3047:     ecartd.isSameIdeal_h /ans set
                   3048:     [ans [ii 1 get] ii 1 get , ecartd.isSameIdeal_h.failed]  /ans set
                   3049:
                   3050:     ans /arg1 set
                   3051:   ] pop
                   3052:   popVariables
                   3053:   arg1
                   3054: } def
                   3055:
                   3056: %<
                   3057: %  test1.isSameCone_h.2 $B$O(B cone.grGblist $B$K(B initial $B$N(B gb $B$r(B graded ring
                   3058: %  $B$G$^$:7W;;$7(B, $B$=$l$+$i(B ideal $B$NHf3S$r$*$3$J$&(B. isSameCone_h.1 $B$KHf$Y$F(B
                   3059: %  gb $B$N:FEY$N7W;;$,$J$$$N$G7P:QE*(B.
                   3060: %>
                   3061: /test1.isSameCone_h.2 {
                   3062:   /cone.loaded boundp { }
                   3063:   {
                   3064:     [(parse) (cohom.sm1) pushfile] extension
                   3065:     [(parse) (dhecart.sm1) pushfile] extension
                   3066:     /cone.loaded 1 def
                   3067:   } ifelse
                   3068:   %[(parse) (cone.sm1) pushfile] extension
                   3069:   [(parse) (data/test8-data.sm1) pushfile] extension
                   3070:   setGrGblist
                   3071:   (cone.grGblist is set.) message
                   3072:   0 1 isSameCone_h.2 pmat
                   3073: } def
                   3074:
                   3075: %<
                   3076: % dhcone $B$O(B  DeHomogenized Cone $B$NN,(B.  H->1 $B$H$7$F(B cone $B$r(B merge $B$7$F$$$/4X?t(B
                   3077: % $B$dBg0hJQ?t$K;H$&(B.
                   3078: % cone.gblist, cone.fan $B$,@5$7$/@_Dj$5$l$F$$$k$3$H(B.
                   3079: % (setGrGblist $B$r<B9T:Q$G$"$k$3$H(B. $B<+F0<B9T$5$l$k$,(B... )
                   3080: %
                   3081: %>
                   3082:
                   3083: /isSameCone_h {  isSameCone_h.2 } def
                   3084:
                   3085: %<
                   3086: % Usages: genDhcone.init
                   3087: %   dhcone.checked (dehomogenized $B:Q$N(B cone$BHV9f(B),  dhcone.unchecked $B$N=i4|2=(B.
                   3088: %>
                   3089: /genDhcone.init {
                   3090:   /dhcone.checked [ ] def
                   3091:   /dhcone.unchecked [
                   3092:      0 1 cone.fan length 1 sub {
                   3093:         to_univNum
                   3094:      } for
                   3095:   ] def
                   3096: } def
                   3097:
                   3098: %<
                   3099: % Usages: k genDhcone dhcone
                   3100: % cone.fan[k] $B$r=PH/E@$H$7$F(B cone $B$r(B dehomogenize $B$9$k(B (merge $B$9$k(B).
                   3101: %
                   3102: % $B%F%9%H(B1.  (data/test14.sm1) run (data/test14-data.sm1) run
                   3103: %          genDhcone.init
                   3104: %          0 genDhcone /ff set
                   3105: %>
                   3106:
                   3107: /genDhcone {
                   3108:   /arg1 set
                   3109:   [/k /facets /merged /nextcid /nextfid /coneid
                   3110:       /newfacets /newmerged /newnextcid /newnextfid /newconeid /vv
                   3111:    /i /j /p /q /rr /cones /differentC
                   3112:   ] pushVariables
                   3113:   [
                   3114:     /k arg1 def
                   3115:     /facets [ ] def /merged [ ] def /nextcid [ ] def
                   3116:     /nextfid [ ] def /coneid [ ] def
                   3117:     /cones [ ] def
                   3118:     /differentC [ ] def
                   3119:
                   3120:     k to_univNum /k set
                   3121:
                   3122:     {
                   3123: % Step1. cone.fan[k] $B$r(B $B2C$($k(B.  new... $B$X=i4|%G!<%?$r=q$-9~$`(B.
                   3124:      cone.debug {(Step 1. Adding ) messagen k messagen (-th cone.) message} { } ifelse
                   3125:       cones [k to_univNum] join /cones set
                   3126:       cone.fan k get , (facets) getNode 2 get /vv set
                   3127:       /newfacets [ ] vv join def
                   3128:
                   3129:       cone.fan k get , (nextcid) getNode 2 get /vv set
                   3130:       /newnextcid [ ] vv join def
                   3131:
                   3132:       cone.fan k get , (nextfid) getNode 2 get /vv set
                   3133:       /newnextfid [ ] vv join def
                   3134:
                   3135: % newmerged $B$O$^$:(B 0 $B$G$&$a$k(B.  0 : $B$^$@D4$Y$F$J$$(B.
                   3136: % 1 : merged $B$G>C$($?(B. 2 : boundary. 3 : $B$H$J$j$O0[$J$k(B.
                   3137: % [ ] join $B$r$d$C$F(B $B%Y%/%H%k$N(B clone $B$r:n$k(B.
                   3138:       cone.fan k get , (flipped) getNode 2 get /vv set
                   3139:       /newmerged [ ] vv join def
                   3140:       0 1 , newmerged length 1 sub {
                   3141:          /i set
                   3142:          newmerged i get , (2).. eq { }
                   3143:          { newmerged i (0).. put } ifelse
                   3144:       } for
                   3145: % newconeid $B$O(B k $B$G$&$a$k(B.
                   3146:       /newconeid newfacets length newVector { pop k to_univNum } map def
                   3147:
                   3148: % merged $B$H(B newmerged $B$r(B cone $B$NNY@\4X78$N$_$G99?7$9$k(B.
                   3149: % $BF1$8(B init $B$r;}$D$3$H$O$o$+$C$F$$$k$N$G(B  facet vector $B$N$_$N(B check $B$G==J,(B.
                   3150: % merged $B$N(B i $BHVL\(B $B$H(B newmerged $B$N(B j $BHVL\$GHf3S(B.
                   3151:       0 1 , merged length 1 sub {
                   3152:         /i set
                   3153:         0 1 , newmerged length 1 sub {
                   3154:           /j set
                   3155:           merged i get , (0).. eq ,
                   3156:           newmerged j get , (0).. eq , and
                   3157:           nextcid i get , k to_univNum eq , and
                   3158:           {
                   3159:              facets i get , newfacets j get , add isZero {
                   3160: % merged[i], newmerged[j] $B$K(B 1 $B$rF~$l$F>C$9(B.
                   3161: % $B>e$NH=Dj$O(B nextfid, newnextfid $B$rMQ$$$F$b$h$$$N$G$O(B?
                   3162:                merged i (1).. put
                   3163:                newmerged j (1).. put
                   3164:              } {  } ifelse
                   3165:           } { } ifelse
                   3166:         } for
                   3167:       } for
                   3168:
                   3169: % Step2. $B7k9g$7$F$+$i(B, $B$^$@D4$Y$F$J$$(B facet $B$rC5$9(B.
                   3170:       cone.debug { (Step 2. Joining *** and new***) message } { } ifelse
                   3171:       /facets facets newfacets join def
                   3172:       /merged merged newmerged join def
                   3173:       /nextcid nextcid newnextcid join def
                   3174:       /nextfid nextfid newnextfid join
                   3175:       /coneid  coneid newconeid join def
                   3176:
                   3177:       cone.debug{ (   Checking facets.) message } { } ifelse
                   3178:       /k null def
                   3179:       0 1 , merged length 1 sub {
                   3180:         /i set
                   3181:         % i message
                   3182:         merged i get (0).. eq {
                   3183: % i $BHVL\$r$^$@D4$Y$F$$$J$$(B.
                   3184:           coneid i get ,  /p set
                   3185:           nextcid i get , /q set
                   3186:           cone.debug { [p q] message } {  } ifelse
                   3187:           q (0).. ge {
                   3188: % cone.fan [p] $B$H(B cone.fan [q] $B$N(B initial $B$rHf3S$9$k(B.
                   3189: % $BF1$8$J$i(B k $B$r@_Dj(B. exit for. $B0c$($P(B merged[i] = 3 ($B0c$&(B) $B$rBeF~(B.
                   3190: % differentC $B$O$9$G$K(B $B8=:_$N(B dhcone $B$H0c$&$H(B check $B$5$l$?(B cone $BHV9f(B.
                   3191: % dhcone.checked $B$O(B dhcone $B$,$9$G$K@8@.$5$l$F$$$k(B cone $BHV9f$N%j%9%H(B.
                   3192: % $B$3$l$K$O$$$C$F$$$F$b0c$&(B.
                   3193:             q differentC memberQ , q dhcone.checked memberQ , or
                   3194:             { /rr [0 ] def }
                   3195:             { p q isSameCone_h /rr set } ifelse
                   3196:
                   3197:             rr 0 get 1 eq {
                   3198:               cone.debug { (Found next cone. ) message } { } ifelse
                   3199:               /k q to_univNum def exit
                   3200:             } {
                   3201:               cone.debug { ( It is a different cone. ) message } { } ifelse
                   3202:               differentC [ q ]  join /differentC set
                   3203:               merged i (3).. put
                   3204:             } ifelse
                   3205:           } {  } ifelse
                   3206:         } {  } ifelse
                   3207:       } for
                   3208:
                   3209:       k tag 0 eq { exit } {  } ifelse
                   3210:    } loop
                   3211:
                   3212:    [(-1)..] cones join shell rest /cones set
                   3213: %     dhcone.checked, dhcone.unchecked $B$r99?7(B.
                   3214:    dhcone.checked cones join /dhcone.checked set
                   3215:    dhcone.unchecked cones setMinus /dhcone.unchecked set
                   3216:
                   3217:    [(dhcone) [ ]
                   3218:      [
                   3219:        [(cones) [ ] cones] arrayToTree
                   3220:        [(facets) [ ] facets] arrayToTree
                   3221:        [(merged) [ ] merged] arrayToTree
1.5       takayama 3222:        [(nextcid) [ ] nextcid] arrayToTree
                   3223:        [(nextfid) [ ] nextfid] arrayToTree
                   3224:        [(coneid) [ ] coneid] arrayToTree
1.4       takayama 3225:      ]
                   3226:    ] arrayToTree /arg1 set
                   3227:   ] pop
                   3228:   popVariables
                   3229:   arg1
                   3230: } def
                   3231:
                   3232:
                   3233: %<
                   3234: % Usages: dhCones_h
                   3235: % cone.fan $B$O(B doubly homogenized (local) $B$G@8@.$5$l$?(B Grobner fan.
                   3236: % cone.fan $B$r(B dehomogenize (H->1) $B$7$F(B init $B$rHf$Y$F(B dhcone.fan $B$r@8@.$9$k(B.
                   3237: %
                   3238: % $B%F%9%H(B1.  (data/test14.sm1) run (data/test14-data.sm1) run
                   3239: %          dhCones_h
                   3240: %          test22
                   3241: %>
                   3242: /dhCones_h {
                   3243:   (cone.grGblist) boundp { } {setGrGblist} ifelse
                   3244:   genDhcone.init
                   3245:   /dhcone.fan [ ] def
                   3246:   {
                   3247:      (-----------------------------------------) message
                   3248:      (#dhcone.unchecked = ) messagen dhcone.unchecked length message
                   3249:      dhcone.unchecked length 0 eq { exit } { } ifelse
                   3250:      dhcone.fan
                   3251:      [ dhcone.unchecked 0 get , genDhcone ] join /dhcone.fan set
                   3252:      (#dhcone.fan = ) messagen dhcone.fan length message
                   3253:   } loop
                   3254:   dhcone.fan
                   3255: } def
                   3256:
1.5       takayama 3257: %<
                   3258: % Usages: dhcone.rtable
                   3259: % dhcone $B$NHV9f$H(B cone $B$NHV9f$N(B $BCV49I=$r@8@.$7(B dhcone2.fan (merge $B$7$?(B cone $B$N>pJs(B)
                   3260: % $B$r(B dhcone.fan $B$+$i:n$k(B. dhcone2.gblist $B$b:n$kJd=u4X?t(B.
                   3261: % dhCones_h $B$7$F$+$i(B dhcone.rable $B$9$k(B.
                   3262: %>
                   3263: /dhcone.rtable {
                   3264:   [/i /j /vv /cones /facets /facets2 /merged /nextcid /nextcid2 /ii /ww] pushVariables
                   3265:   [
                   3266: % $BCV49I=(B dhcone.h2dh $B$r:n$k(B.
                   3267:     /dhcone.h2dh cone.fan length newVector.with-1 def
                   3268:     0 1 , dhcone.fan length 1 sub {
                   3269:       /i set
                   3270:       dhcone.fan i get , (cones) getNode 2 get /vv set
                   3271:       0 1 vv length 1 sub {
                   3272:         /j set
                   3273:         dhcone.h2dh , vv j get , i to_univNum , put
                   3274:       } for
                   3275:     } for
                   3276: % merge $B$7$?(B dhcone $B$r@0M}$7$?$b$N(B, dhcone2.fan $B$r:n$k(B.
                   3277:     /dhcone2.fan dhcone.fan length newVector def
                   3278:     0 1 , dhcone.fan length 1 sub {
                   3279:       /i set
                   3280:       dhcone.fan i get (facets) getNode 2 get /facets set
                   3281:       dhcone.fan i get (merged) getNode 2 get /merged set
                   3282:       dhcone.fan i get (nextcid) getNode 2 get /nextcid set
                   3283:       dhcone.fan i get (cones) getNode 2 get /cones set
                   3284:       /facets2 [ ] def
                   3285:       /nextcid2 [ ] def
                   3286:       0 1 , facets length 1 sub {
                   3287:          /j set
                   3288:          merged j get , (3).. eq {
                   3289:             facets2 [ facets j get ] join /facets2 set
                   3290: % $B$H$J$j$N(B cone $B$,$"$k$H$-(B $BJQ49I=$K$7$?$,$$(B, cone $BHV9f$rJQ49(B
                   3291:             nextcid2 [ dhcone.h2dh , nextcid j get , get ] join /nextcid2 set
                   3292:          } {  } ifelse
                   3293:          merged j get , (2).. eq {
                   3294:             facets2 [ facets j get ] join /facets2 set
                   3295: % $B6-3&$N$H$-(B -2 $B$rF~$l$k(B.
                   3296:             nextcid2 [ (-2).. ] join /nextcid2 set
                   3297:          } { } ifelse
                   3298:       } for
                   3299:
                   3300:       dhcone2.fan i ,
                   3301:       [(dhcone) [ ]
                   3302:        [
                   3303:          [(facets) [ ] facets2] arrayToTree
                   3304:          [(nextcid) [ ] nextcid2] arrayToTree
                   3305:          [(cones) [ ] cones] arrayToTree
                   3306:        ]
                   3307:       ] arrayToTree , put
                   3308:
                   3309:     } for
                   3310:
                   3311: % $B:G8e$K(B dhcone2.gblist $B$r:n$k(B.
                   3312:     /dhcone2.gblist , dhcone2.fan length newVector , def
                   3313:     0 1 , dhcone2.fan length 1 sub {
                   3314:       /i set
                   3315:       dhcone2.fan i get (cones) getNode 2 get /cones set
                   3316:       cone.grGblist , cones 0 get , get , /ii set % GB of initial (H->1).
                   3317:       cone.gblist i get , (weight) getNode , [ 2 0 2 ] get  /ww set
                   3318:
                   3319:       dhcone2.gblist i,
                   3320:       [(gbasis) [ ]
                   3321:        [
                   3322:          [(initial) [ ] ii] arrayToTree
                   3323:          [(weight) [ ] ww] arrayToTree
                   3324:        ]
                   3325:       ] arrayToTree , put
                   3326:
                   3327:     } for
                   3328:     (dhcone2.fan, dhcone2.gblist, dhcone.h2dh are set.) message
                   3329:
                   3330:   ] pop
                   3331:   popVariables
                   3332: } def
                   3333:
                   3334: %<
                   3335: % $BI=$N8+J}$N2r@b$r0u:~$9$k4X?t(B.
                   3336: % Usages: dhcone.explain
                   3337: %>
                   3338: /dhcone.explain {
                   3339:   [
                   3340:     ( ) nl
                   3341:     (Data format in << dhcone2.fan >>, which is a dehomogenized Grobner fan.) nl nl
                   3342:     (<< cone.vlist >> is the list of the variables.) nl
                   3343:     @@@.Hsymbol  ( is the homogenization variable to be dehomogenized.) nl nl
                   3344:     (<< cone.input >> is generators of a given ideal.) nl nl
                   3345:     (<< cone.d >> is the dimension of parametrization space of the weights P_w) nl
                   3346:     (    P_w is a cone in R^m  where the number m is stored in << cone.m >>) nl
                   3347:     (    P_w --- W --->  R^n [weight space].  ) nl
                   3348:     (    W is stored in << cone.W >> ) nl
                   3349:     (    << u   cone.W  mul >> gives the weight vector standing for u) nl nl
                   3350:     (All cones in the data lie in the weight parametrization space P_w.) nl
                   3351:     ( "facets" are the inner normal vector of the cone. )  nl
                   3352:     ( "nextcid" is a list of the cone id's of the adjacent cones.) nl
                   3353:     (   -2 in "nextcid" means that this facet lies on the border of the weight space.) nl
                   3354:     ( "cones" is a list of the cone id's of the NON-dehomonized Grobner fan) nl
                   3355:     (                                               stored in << cone.fan >>) nl
                   3356:   ] cat
                   3357: } def
                   3358:
                   3359: %<
                   3360: %  dhcone.printGrobnerFan
                   3361: %  dhcone $B$N0u:~4X?t(B
                   3362: %>
                   3363: /dhcone.printGrobnerFan {
                   3364:   [/i] pushVariables
                   3365:   [
                   3366:   (==========  Grobner Fan (for dehomogenized cones) ============) message
                   3367:    [
                   3368:       (cone.comment)
                   3369:       (cone.vlist) (cone.vv)
                   3370:       (cone.input)
                   3371:       (cone.type)  (cone.local) (cone.h0)
                   3372:       (cone.n) (cone.m) (cone.d)
                   3373:       (cone.W) (cone.Wpos) (cone.Wt)
                   3374:       (cone.L) (cone.Lp) (cone.Lpt)
                   3375:       (cone.weightBorder)
                   3376:       (cone.incidence)
                   3377:    ] { printGrobnerFan.1 } map
                   3378:    (   ) message
                   3379:    (The number of cones = ) messagen dhcone.fan length message
                   3380:    (   ) message
                   3381:    0 1 dhcone2.fan length 1 sub {
                   3382:      /ii set
                   3383:      ii messagen ( : ) messagen
                   3384:      dhcone2.fan ii get printTree
                   3385:    } for
                   3386:    1 {
                   3387:     0 1 dhcone2.gblist length 1 sub {
                   3388:       /ii set
                   3389:       ii messagen ( : ) messagen
                   3390:       dhcone2.gblist ii get printTree
                   3391:     } for
                   3392:   } {  } ifelse
                   3393:
                   3394:
                   3395:   (=========================================) message
                   3396:   %(cone.withGblist = ) messagen cone.withGblist message
                   3397:   dhcone.explain message
                   3398:   (  ) message
                   3399:   ] pop
                   3400:   popVariables
                   3401: } def
                   3402:
                   3403: %
                   3404: % $B;n$7J}(B  test14, 22, 25
                   3405: %
                   3406: %  (data/test14.sm1) run (data/test14-data.sm1) run
                   3407: %   printGrobnerFan ;  % H $BIU$-$G0u:~(B.
                   3408: %   dhCones_h ;   %  dehomogenize Cones.
                   3409: %   dhcone.rtable ; % dhcone2.fan $BEy$r@8@.(B.
                   3410: %   dhcone.printGrobnerFan ; % $B0u:~(B.
                   3411: %   $B0u:~$7$?$b$N$O(B  test*-print.txt $B$X3JG<$7$F$"$k(B.
                   3412: %
                   3413:
                   3414: % Todo: save functions.

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