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Annotation of OpenXM/src/asir-doc/parts/asir.texi, Revision 1.1.1.1

1.1       noro        1: @node $B%f!<%68@8l(B Asir,,, Top
                      2: @chapter $B%f!<%68@8l(B Asir
                      3:
                      4: @noindent
                      5: @b{Asir} $B$NAH$_9~$_H!?t$O(B, $B0x?tJ,2r(B, GCD $B$J$I$N7W;;$r9T$&$b$N(B, $B%U%!(B
                      6: $B%$%kF~=PNO$r9T$&$b$N(B, $B$"$k$$$O?t<0$N0lIt$r<h$j=P$9$b$N$J$I$5$^$6$^$J$b$N(B
                      7: $B$,MQ0U$5$l$F$$$k$,(B, $B%f!<%6$,<B:]$K9T$$$?$$$3$H$r<B9T$5$;$k$?$a$K$O0l(B
                      8: $BHL$K$O%f!<%68@8l$K$h$k%W%m%0%i%`$r=q$/I,MW$,$"$k(B. $B%f!<%68@8l$b(B
                      9: @b{Asir} $B$H8F$P$l$k(B. $B0J2<$G$O(B, $B%f!<%68@8l$NJ8K!5,B'$*$h$S<B:]$N%f!<(B
                     10: $B%68@8l%W%m%0%i%`$rNc$H$7$?%W%m%0%i%`$N=q$-J}$K$D$$$F=R$Y$k(B.
                     11:
                     12: @menu
                     13: * $BJ8K!(B (C $B8@8l$H$N0c$$(B)::
                     14: * $B%f!<%6Dj5AH!?t$N=q$-J}(B::
                     15: @end menu
                     16:
                     17:
                     18: @node $BJ8K!(B (C $B8@8l$H$N0c$$(B),,, $B%f!<%68@8l(B Asir
                     19: @section $BJ8K!(B (C $B8@8l$H$N0c$$(B)
                     20:
                     21: @noindent
                     22: @b{Asir} $B$NJ8K!$O(B C $B8@8l$K=`5r$7$F$$$k(B.
                     23: $B$*$b$JAj0cE@$O<!$NDL$j$G$"$k(B. $B0J2<$G(B, $BJQ?t$H$O(B @b{Asir} $B$K$*$1$k(B
                     24: $B%W%m%0%i%`MQ$NJQ?t(B, $B$9$J$o$ABgJ8;z$G;O$^$kJ8;zNs$r0UL#$9$k$3$H$H$9$k(B.
                     25:
                     26: @itemize @bullet
                     27: @item
                     28: $BJQ?t$N7?$,$J$$(B.
                     29:
                     30: $B4{$K@bL@$7$?$H$*$j(B, @b{Asir} $B$G07$o$l$kBP>]<+?H$OA4$F2?$i$+$N7?(B
                     31: $B$r;}$C$F$$$k(B. $B$7$+$7(B, $B%W%m%0%i%`JQ?t<+BN$O(B, $B$I$N$h$&$JBP>]$G$b(B
                     32: $BBeF~$G$-$k$H$$$&0UL#$G7?$,$J$$$N$G$"$k(B.
                     33:
                     34: @example
                     35: [0] A = 1;
                     36: 1
                     37: [1] type(A);
                     38: 1
                     39: [2] A = [1,2,3];
                     40: [1,2,3]
                     41: [3] type(A);
                     42: 4
                     43: @end example
                     44:
                     45: @item
                     46: $BH!?tFb$NJQ?t$O(B, $B%G%U%)%k%H$G$O2>0z?t$r$3$a$F$9$Y$F6I=jJQ?t(B.
                     47: $B$?$@$7(B, @code{extern} $B@k8@$5$l$?JQ?t$O(B, $B%H%C%W%l%Y%k$K$*$1$kBg0hJQ?t$H$J$k(B.
                     48:
                     49: $B$9$J$o$A(B, $BJQ?t$N%9%3!<%W$OBg0hJQ?t$H6I=jJQ?t$N(B 2 $B<oN`$KC1=c2=$5$l$F$$$k(B.
                     50: $B%H%C%W%l%Y%k(B, $B$9$J$o$A%W%m%s%W%H$KBP$7$FF~NO$5$l$?JQ?t$OA4$FBg0hJQ?t(B
                     51: $B$H$7$FEPO?$5$l$k(B. $B$^$?H!?tFb$G$O<!$N$$$:$l$+$H$J$k(B.
                     52:
                     53: @enumerate
                     54: @item
                     55: $BH!?t$,Dj5A$5$l$k%U%!%$%k$K$*$$$F(B, $B$=$NH!?tDj5A0JA0$K(B, $B$"$k(B
                     56: $BJQ?t$,(B @code{extern} $B@k8@$5$l$F$$$k>l9g(B, $BH!?tFb$N$=$NJQ?t$bBg0hJQ?t(B
                     57: $B$H$7$F07$o$l$k(B.
                     58:
                     59: @item
                     60: @code{extern} $B@k8@$5$l$F$$$J$$JQ?t$O$=$NH!?t$K6I=jE*$H$J$k(B.
                     61: @end enumerate
                     62:
                     63: @example
                     64: % cat afo
                     65: def afo() @{ return A;@}
                     66: extern A$
                     67: def bfo() @{ return A;@}
                     68: end$
                     69: % asir
                     70: [0] load("afo")$
                     71: [5] A = 1;
                     72: 1
                     73: [6] afo();
                     74: 0
                     75: [7] bfo();
                     76: 1
                     77: @end example
                     78:
                     79: @item
                     80: $B%W%m%0%i%`JQ?t$OBgJ8;z$G;O$^$j(B, $BITDj85(B, $BH!?t$O>.J8;z$G;O$^$k(B.
                     81:
                     82: $B$3$NE@$O(B, $B4{B8$N?t<0=hM}%7%9%F%`$N$[$H$s$I$H0[$J$kE@$G$"$k(B. @b{Asir}
                     83: $B$,$3$N;EMM$r:NMQ$7$?$N$O(B, $B%f!<%6$,ITDj85$N$D$b$j$G;HMQ$7$?JQ?t$K(B
                     84: $B$J$s$i$+$NCM$,BeF~$5$l$F$$$?>l9g$K:.Mp$r>7$/(B, $B$H$$$&(B, $B4{B8$N(B
                     85: $B%7%9%F%`$K$"$j$,$A$J>u67$rHr$1$k$?$a$G$"$k(B.
                     86:
                     87: @item
                     88: @code{switch} $BJ8(B, @code{goto} $B$,$J$$(B.
                     89:
                     90: @code{goto} $B$,$J$$$?$a(B, $BB?=E%k!<%W$r0lEY$KH4$1$k$N$,$d$dJ#;($K$J$k>l9g$,$"$k(B.
                     91:
                     92: @item
                     93: $B%3%s%^<0$O(B, @code{for (A;B;C)} $B$^$?$O(B, @code{while(A)} $B$N(B @code{A}, @code{B}, @code{C} $B$K$N$_;H$&$3$H$,$G$-$k(B.
                     94:
                     95: $B$3$l$O(B, $B%j%9%H$r@5<0$J%*%V%8%'%/%H$H$7$F2C$($?$3$H$K$h$k(B.
                     96:
                     97: @end itemize
                     98:
                     99: @noindent
                    100: $B0J>e$O@)8B$G$"$k$,(B, $B3HD%$H$7$F$O<!$NE@$,5s$2$i$l$k(B.
                    101:
                    102: @itemize @bullet
                    103: @item
                    104: $BM-M}<0$KBP$9$k7W;;$r(B, $BDL>o$N(B C $B$K$*$1$k7W;;$HF1MM$K$G$-$k(B.
                    105:
                    106: @item
                    107: $B%j%9%H$,07$($k(B.
                    108:
                    109: $B9=B$BN$rMQ$$$k$^$G$b$J$$MWAG$N=89gBN$r(B, $B%j%9%H$GI=$9$3$H$,$G$-(B,
                    110: C $B$GD>@\=q$/>l9g$KHf3S$7$F%W%m%0%i%`$,C;$/(B, $BFI$_$d$9$/=q$1$k(B.
                    111: @end itemize
                    112:
                    113: @node $B%f!<%6Dj5AH!?t$N=q$-J}(B,,, $B%f!<%68@8l(B Asir
                    114: @section $B%f!<%6Dj5AH!?t$N=q$-J}(B
                    115:
                    116: @menu
                    117: * $B%f!<%6Dj5AH!?t(B::
                    118: * $BJQ?t$*$h$SITDj85(B::
                    119: * $B0z?t(B::
                    120: * $B%3%a%s%H(B::
                    121: * $BJ8(B::
                    122: * return $BJ8(B::
                    123: * if $BJ8(B::
                    124: * $B%k!<%W(B break return continue::
                    125: * $B$5$^$6$^$J<0(B::
                    126: * $B%W%j%W%m%;%C%5(B::
                    127: @end menu
                    128:
                    129: @node $B%f!<%6Dj5AH!?t(B,,, $B%f!<%6Dj5AH!?t$N=q$-J}(B
                    130: @subsection $B%f!<%6Dj5AH!?t(B
                    131:
                    132: @noindent
                    133: $B%f!<%6$K$h$kH!?t$NDj5A$O(B @samp{def} $BJ8$G9T$&(B. $BJ8K!%(%i!<$OFI$_9~$_;~$K(B
                    134: $B$"$kDxEY%A%'%C%/$5$l(B, $B$*$*$h$=$N>l=j$,I=<($5$l$k(B.
                    135: $B4{$K(B($B0z?t$N8D?t$K4X78$J$/(B)$BF1L>$NH!?t$,Dj5A$5$l$F$$$k>l9g$K$O(B,
                    136: $B$=$NH!?t$O:FDj5A$5$l$k(B. @code{ctrl()} $BH!?t$K$h$j(B @code{verbose} $B%U%i%0(B
                    137: $B$,(B on $B$K$J$C$F$$$k>l9g(B,
                    138:
                    139: @example
                    140: afo() redefined.
                    141: @end example
                    142:
                    143: @noindent
                    144: $B$H$$$&%a%C%;!<%8$,I=<($5$l$k(B. $B$"$kH!?t$NDj5A$K$*$$$F(B, $B$^$@L$Dj5A$NH!?t(B
                    145: $B$r8F$S=P$7$F$$$F$b(B, $BDj5A;~$K$O%(%i!<$K$J$i$J$$(B. $B<B9T;~$KL$Dj5A$NH!?t(B
                    146: $B$r8F$S=P$=$&$H$7$?>l9g$K%(%i!<$H$J$k(B.
                    147:
                    148: @example
                    149: @tex
                    150: /* $X!$ */
                    151: @end tex
                    152:
                    153: def f(X) @{
                    154:     if ( !X )
                    155:         return 1;
                    156:     else
                    157:         return X * f(X-1);
                    158: @}
                    159:
                    160: @tex
                    161: /* ${_i}C_j ( 0 \le i \le N, 0 \le j \le i )$ */
                    162: @end tex
                    163:
                    164: def c(N)
                    165: @{
                    166:     A = newvect(N+1); A[0] = B = newvect(1); B[0] = 1;
                    167:     for ( K = 1; K <= N; K++ ) @{
                    168:         A[K] = B = newvect(K+1); B[0] = B[K] = 1;
                    169:         for ( P = A[K-1], J = 1; J < K; J++ )
                    170:             B[J] = P[J-1]+P[J];
                    171:         @}
                    172:     return A;
                    173: @}
                    174: @end example
                    175:
                    176: @noindent
                    177: 2 $B$DL\$NNc$G$O(B, $BD9$5(B @code{N+1} $B$N%Y%/%H%k(B (@code{A}$B$H$9$k(B) $B$,JV$5$l$k(B.
                    178: @code{A[I]} $B$OD9$5(B @code{I+1} $B$NG[Ns$G$"$j(B, $B$=$N$=$l$>$l$NMWAG$,(B
                    179: @iftex
                    180: @tex
                    181: ${_I}C_J$
                    182: @end tex
                    183: @end iftex
                    184: @ifinfo
                    185: ICJ
                    186: @end ifinfo
                    187: $B$rMWAG$H$9$kG[Ns$G$"$k(B.
                    188:
                    189: @noindent
                    190: $B0J2<$G$O(B, C $B$K$h$k%W%m%0%i%_%s%0$N7P83$,$J$$?M$N$?$a$K(B, @b{Asir} $B8@8l(B
                    191: $B$K$h$k%W%m%0%i%`$N=q$-J}$r2r@b$9$k(B.
                    192:
                    193: @node $BJQ?t$*$h$SITDj85(B,,, $B%f!<%6Dj5AH!?t$N=q$-J}(B
                    194: @subsection $BJQ?t$*$h$SITDj85(B
                    195:
                    196: @noindent
                    197: $B4{$K=R$Y$?DL$j(B, @b{Asir} $B$K$*$$$F$O%W%m%0%i%`JQ?t$HITDj85$rL@3N$K(B
                    198: $B6hJL$7$F$$$k(B.
                    199:
                    200: @table @b
                    201: @item $BJQ?t(B
                    202: $BBgJ8;z$G;O$^$j(B, $B%"%k%U%!%Y%C%H(B, $B?t;z(B, @samp{_} $B$+$i$J$kJ8;zNs(B
                    203:
                    204: $BJQ?t$"$k$$$O%W%m%0%i%`JQ?t$H$O(B, @b{Asir} $B$N$5$^$6$^$J7?$NFbIt7A<0$r(B
                    205: $B3JG<$9$k$?$a$NH"$G$"$j(B, $B3JG<$5$l$?FbIt7A<0$,(B, $B$3$NJQ?t$NCM$G$"$k(B.  $BJQ(B
                    206: $B?t$,<0$NMWAG$H$7$FI>2A$5$l$k;~$O(B, $B$=$3$K<}$a$i$l$?CM$KCV$-49$($i$l$k(B.
                    207: $B$9$J$o$A(B, $BFbIt7A<0$NCf$K$O%W%m%0%i%`JQ?t$O8=$l$J$$(B. $BJQ?t$OA4$F(B 0 $B$G(B
                    208: $B=i4|2=$5$l$F$$$k(B.
                    209:
                    210: @example
                    211: [0] X^2+X+1;
                    212: 1
                    213: [1] X=2;
                    214: 2
                    215: [2] X^2+X+1;
                    216: 7
                    217: @end example
                    218:
                    219: @item $BITDj85(B
                    220: $B>.J8;z$G;O$^$j(B, $B%"%k%U%!%Y%C%H(B, $B?t;z(B, @samp{_} $B$+$i$J$kJ8;zNs(B
                    221:
                    222: $BITDj85$H$O(B, $BB?9`<04D$r9=@.$9$k:]$KE:2C$5$l$kJQ?t$r$$$&(B. @b{Asir} $B$K(B
                    223: $B$*$$$F$O(B, $BITDj85$OCM$r$b$?$J$$D61[E*$J85$G$"$j(B, $BITDj85$X$NCM$NBeF~$O(B
                    224: $B5v$5$l$J$$(B.
                    225:
                    226: @example
                    227: [3] X=x;
                    228: x
                    229: [4] X^2+X+1;
                    230: x^2+x+1
                    231: @end example
                    232: @end table
                    233:
                    234: @node $B0z?t(B,,, $B%f!<%6Dj5AH!?t$N=q$-J}(B
                    235: @subsection $B0z?t(B
                    236:
                    237: @example
                    238: def sum(N) @{
                    239:     for ( I = 1, S = 0; I <= N; I++ )
                    240:         S += I;
                    241:     return S;
                    242: @}
                    243: @end example
                    244:
                    245: @noindent
                    246: $B$3$l$O(B, 1 $B$+$i(B @code{N} $B$^$G$N<+A3?t$NOB$r5a$a$kH!?t(B @code{sum()} $B$N(B
                    247: $BDj5A$G$"$k(B. $B$3$NNc$K$*$1$k(B @code{sum(N)} $B$N(B @code{N} $B$,0z?t$G$"$k(B.
                    248: $B$3$NNc$O(B, 1 $B0z?tH!?t$NNc$G$"$k$,(B, $B0lHL$K0z?t$N8D?t$OG$0U$G$"$j(B,
                    249: $BI,MW$J$@$1$N8D?t$r(B @samp{,} $B$G6h@Z$C$F;XDj$9$k$3$H$,$G$-$k(B. $B0z?t$O(B
                    250: $BCM$,EO$5$l$k(B. $B$9$J$o$A(B, $B0z?t$r<u$1$H$C$?B&$,(B, $B$=$N0z?t$NCM$rJQ99$7$F(B
                    251: $B$b(B, $BEO$7$?B&$NJQ?t$OJQ2=$7$J$$(B. $B$?$@$7(B, $BNc30$,$"$k(B. $B$=$l$O(B, $B%Y%/%H%k(B,
                    252: $B9TNs$r0z?t$KEO$7$?>l9g$G$"$k(B. $B$3$N>l9g$b(B, $BEO$5$l$?JQ?t$=$N$b$N$r=q$-(B
                    253: $BBX$($k$3$H$O(B, $B$=$NH!?t$K6I=jE*$JA`:n$G$"$k$,(B, $BMWAG$r=q$-49$($?>l9g(B,
                    254: $B$=$l$O(B, $B8F$S=P$7B&$N%Y%/%H%k(B, $B9TNs$NMWAG$r=q$-49$($k$3$H$K$J$k(B.
                    255:
                    256: @example
                    257: def clear_vector(M) @{
                    258:     /* M is expected to be a vector */
                    259:     L = size(M)[0];
                    260:     for ( I = 0; I < L; I++ )
                    261:         M[I] = 0;
                    262: @}
                    263: @end example
                    264:
                    265: @noindent
                    266: $B$3$NH!?t$O(B, $B0z?t$N%Y%/%H%k$r(B 0 $B%Y%/%H%k$K=i4|2=$9$k$?$a$NH!?t$G$"$k(B.
                    267: $B$^$?(B, $B%Y%/%H%k$r0z?t$KEO$9$3$H$K$h$j(B, $BJ#?t$N7k2L$r0z?t$N%Y%/%H%k$K(B
                    268: $B<}G<$7$FJV$9$3$H$,$G$-$k(B. $B<B:]$K$O(B, $B$3$N$h$&$J>l9g$K$O(B, $B7k2L$r%j%9%H(B
                    269: $B$K$7$FJV$9$3$H$b$G$-$k(B. $B>u67$K1~$8$F;H$$$o$1$9$k$3$H$,K>$^$7$$(B.
                    270:
                    271: @node $B%3%a%s%H(B,,, $B%f!<%6Dj5AH!?t$N=q$-J}(B
                    272: @subsection $B%3%a%s%H(B
                    273:
                    274: @noindent
                    275: C $B$HF1MM(B @samp{/*} $B$H(B @samp{*/} $B$G0O$^$l$?ItJ,$O%3%a%s%H$H$7$F07$o$l$k(B.
                    276:
                    277: @example
                    278: /*
                    279:  * This is a comment.
                    280:  */
                    281:
                    282: def afo(X) @{
                    283: @end example
                    284:
                    285: @noindent
                    286: $B%3%a%s%H$OJ#?t9T$KEO$C$F$b9=$o$J$$$,(B, $BF~$l;R$K$9$k$3$H$O$G$-$J$$(B.
                    287: @samp{/*} $B$,$$$/$D$"$C$F$b:G=i$N$b$N$N$_$,M-8z$H$J$j(B, $B:G=i$K8=$l$?(B
                    288: @samp{*/} $B$G%3%a%s%H$O=*N;$7$?$H8+$J$5$l$k(B. $B%W%m%0%i%`$J$I$G(B, $B%3%a%s%H(B
                    289: $B$r4^$`2DG=@-$,$"$kItJ,$r%3%a%s%H%"%&%H$7$?>l9g$K$O(B, @code{#if 0},
                    290: @code{#endif}$B$r;H$($P$h$$(B. (@xref{$B%W%j%W%m%;%C%5(B})
                    291:
                    292: @example
                    293: #if 0
                    294: def bfo(X) @{
                    295: /* empty */
                    296: @}
                    297: #endif
                    298: @end example
                    299:
                    300: @node $BJ8(B,,, $B%f!<%6Dj5AH!?t$N=q$-J}(B
                    301: @subsection $BJ8(B
                    302:
                    303: @noindent
                    304: @b{Asir} $B$N%f!<%6H!?t$O(B,
                    305:
                    306: @example
                    307: def $BL>A0(B($B0z?t(B,$B0z?t(B,...,$B0z?t(B) @{
                    308:     $BJ8(B
                    309:     $BJ8(B
                    310:     ...
                    311:     $BJ8(B
                    312: @}
                    313: @end example
                    314:
                    315: @noindent
                    316: $B$H$$$&7A$GDj5A$5$l$k(B. $B$3$N$h$&$K(B, $BJ8$OH!?t$N4pK\E*9=@.MWAG$G$"$j(B, $B%W%m(B
                    317: $B%0%i%`$r=q$/$?$a$K$O(B, $BJ8$,$I$N$h$&$J$b$N$G$"$k$+CN$i$J$1$l$P$J$i$J$$(B.
                    318: $B:G$bC1=c$JJ8$H$7$F(B, $BC1J8$,$"$k(B. $B$3$l$O(B,
                    319:
                    320: @example
                    321: S = sum(N);
                    322: @end example
                    323:
                    324: @noindent
                    325: $B$N$h$&$K(B, $B<0$K=*C<5-9f(B (@samp{;} $B$^$?$O(B @samp{$}) $B$r$D$1$?$b$N$G$"$k(B.
                    326: $B$3$NC1J85Z$SN`;w$N(B @code{return} $BJ8(B, @code{break} $BJ8$J$I$,J8$N:G>.9=@.(B
                    327: $BC10L$H$J$k(B. @code{if} $BJ8$d(B @code{for} $BJ8$NDj5A(B (@xref{$BJ8K!$N>\:Y(B}) $B$r8+$l(B
                    328: $B$P$o$+$kDL$j(B, $B$=$l$i$NK\BN$O(B, $BC1$J$k0l$D$NJ8$H$7$FDj5A$5$l$F$$$k(B. $BDL>o(B
                    329: $B$O(B, $BK\BN$K$OJ#?t$NJ8$,=q$1$k$3$H$,I,MW$H$J$k(B.  $B$3$N$h$&$J>l9g(B,
                    330: @samp{@{} $B$H(B @samp{@}} $B$GJ8$NJB$S$r3g$C$F(B, $B0l$D$NJ8$H$7$F07$&$3$H$,$G(B
                    331: $B$-$k(B. $B$3$l$rJ#J8$H8F$V(B.
                    332:
                    333: @example
                    334: if ( I == 0 ) @{
                    335:     J = 1;
                    336:     K = 2;
                    337:     L = 3;
                    338: @}
                    339: @end example
                    340:
                    341: @noindent
                    342: @samp{@}} $B$N8e$m$K$O=*C<5-9f$OI,MW$J$$(B. $B$J$<$J$i(B, @samp{@{} $BJ8JB$S(B
                    343: @samp{@}}$B$,4{$KJ8$H$J$C$F$$$F(B, @code{if} $BJ8$NMW@A$rK~$?$7$F$$$k$+$i$G(B
                    344: $B$"$k(B.
                    345:
                    346: @node return $BJ8(B,,, $B%f!<%6Dj5AH!?t$N=q$-J}(B
                    347: @subsection @code{return} $BJ8(B
                    348:
                    349: @noindent
                    350: @code{return} $BJ8$O(B,
                    351:
                    352: @example
                    353: return $B<0(B;
                    354:
                    355: return;
                    356: @end example
                    357:
                    358: @noindent
                    359: $B$N(B 2 $B$D$N7A<0$,$"$k(B. $B$$$:$l$bH!?t$+$iH4$1$k$?$a$NJ8$G$"$k(B. $BA0<T$O(B
                    360: $BH!?t$NCM$H$7$F(B $B<0(B $B$rJV$9(B. $B8e<T$G$O(B, $BH!?t$NCM$H$7$F2?$,JV$5$l$k$+(B
                    361: $B$O$o$+$i$J$$(B.
                    362:
                    363: @node if $BJ8(B,,, $B%f!<%6Dj5AH!?t$N=q$-J}(B
                    364: @subsection @code{if} $BJ8(B
                    365:
                    366: @noindent
                    367: @code{if} $BJ8$K$O(B
                    368:
                    369: @example
                    370: if ( $B<0(B )             if ( $B<0(B )
                    371:     $BJ8(B       $B5Z$S(B         $BJ8(B
                    372: else
                    373:     $BJ8(B
                    374: @end example
                    375:
                    376: @noindent
                    377: $B$N(B 2 $B<oN`$,$"$k(B. $B$3$l$i$NF0:n$OL@$i$+$G$"$k$,(B, $BJ8$N0LCV$K(B @code{if} $BJ8(B
                    378: $B$,Mh$?>l9g$KCm0U$rMW$9$k(B. $B<!$NNc$r9M$($F$_$h$&(B.
                    379:
                    380: @example
                    381: if ( $B<0(B )
                    382:     if ( $B<0(B ) $BJ8(B
                    383: else
                    384:     $BJ8(B
                    385: @end example
                    386:
                    387: @noindent
                    388: $B$3$N>l9g(B, $B;z2<$2$+$i$O(B, @code{else} $B0J2<$O(B, $B:G=i$N(B @code{if} $B$KBP1~$9$k(B
                    389: $B$h$&$K8+$($k$,(B, $B%Q!<%6$O(B, $B<+F0E*$K(B 2 $BHVL\$N(B @code{if} $B$KBP1~$9$k$HH=CG$9$k(B.
                    390: $B$9$J$o$A(B, 2 $B<oN`$N(B @code{if} $BJ8$r5v$7$?$?$a$K(B, $BJ8K!$K[#Kf@-$,8=$l(B, $B$=$l$r(B
                    391: $B2r>C$9$k$?$a$K(B, @code{else} $B0J2<$O(B, $B:G$b6a$$(B @code{if} $B$KBP1~$9$k$H(B
                    392: $B$$$&5,B'$,E,MQ$5$l$k$N$G$"$k(B. $B=>$C$F(B, $B$3$NNc$O(B,
                    393:
                    394: @example
                    395: if ( $B<0(B ) @{
                    396:     if ( $B<0(B ) $BJ8(B else $BJ8(B
                    397: @}
                    398: @end example
                    399:
                    400: @noindent
                    401: $B$H$$$&0UL#$H$J$k(B. $B;z2<$2$KBP1~$5$;$k$?$a$K$O(B,
                    402:
                    403: @example
                    404: if ( $B<0(B ) @{
                    405:     if ( $B<0(B ) $BJ8(B
                    406: @} else
                    407:     $BJ8(B
                    408: @end example
                    409:
                    410: @noindent
                    411: $B$H$7$J$1$l$P$J$i$J$$(B.
                    412:
                    413: @node $B%k!<%W(B break return continue,,, $B%f!<%6Dj5AH!?t$N=q$-J}(B
                    414: @subsection $B%k!<%W(B, @code{break}, @code{return}, @code{continue}
                    415:
                    416: @noindent
                    417: $B%k!<%W$r9=@.$9$kJ8$O(B, @code{while} $BJ8(B, @code{for} $BJ8(B, @code{do} $BJ8(B
                    418: $B$N(B 3 $B<oN`$,$"$k(B.
                    419:
                    420: @itemize @bullet
                    421: @item
                    422: @code{while} $BJ8(B
                    423:
                    424: $B7A<0$O(B,
                    425:
                    426: @example
                    427: while ( $B<0(B ) $BJ8(B
                    428: @end example
                    429:
                    430: @noindent
                    431: $B$G(B, $B$3$l$O(B, $B<0(B $B$rI>2A$7$F(B, $B$=$NCM$,(B 0 $B$G$J$$8B$j(B $BJ8(B $B$r<B9T$9$k$H$$$&(B
                    432: $B0UL#$H$J$k(B. $B$?$H$($P(B $B<0(B $B$,(B 1 $B$J$i$P(B, $BC1=c$JL58B%k!<%W$H$J$k(B.
                    433:
                    434: @item
                    435: @code{for} $BJ8(B
                    436:
                    437: $B7A<0$O(B,
                    438:
                    439: @example
                    440: for ( $B<0JB$S(B-1; $B<0(B; $B<0JB$S(B-2 ) $BJ8(B
                    441: @end example
                    442:
                    443: $B$G(B, $B$3$l$O(B
                    444:
                    445: @example
                    446: $B<0JB$S(B-1 ($B$rC1J8JB$S$K$7$?$b$N(B)
                    447: while ( $B<0(B ) @{
                    448:     $BJ8(B
                    449:     $B<0JB$S(B-2 ($B$rC1J8JB$S$K$7$?$b$N(B)
                    450: @}
                    451: @end example
                    452:
                    453: $B$HEy2A$G$"$k(B.
                    454:
                    455: @item
                    456: @code{do} $BJ8(B
                    457:
                    458: @example
                    459: do @{
                    460:     $BJ8(B
                    461: @} while ( $B<0(B )
                    462: @end example
                    463:
                    464: $B$O(B, $B@h$K(B $BJ8$r<B9T$7$F$+$i>r7o<0$K$h$kH=Dj$r9T$&=j$,(B @code{while} $BJ8(B
                    465: $B$H0[$J$C$F$$$k(B.
                    466: @end itemize
                    467:
                    468: @noindent
                    469: $B%k!<%W$rH4$1=P$9<jCJ$H$7$F(B,
                    470: @code{break} $BJ85Z$S(B @code{return} $BJ8$,$"$k(B. $B$^$?(B, $B%k!<%W$N@)8f$r(B
                    471: $B$"$k0LCV$K0\$9<jCJ$H$7$F(B @code{continue} $BJ8$,$"$k(B.
                    472:
                    473: @itemize @bullet
                    474:
                    475: @item
                    476: @code{break}
                    477:
                    478: @code{break} $BJ8$O(B, $B$=$l$r0O$`%k!<%W$r0l$D$@$1H4$1$k(B.
                    479:
                    480: @item
                    481: @code{return}
                    482:
                    483: @code{return} $BJ8$O(B, $B0lHL$KH!?t$+$iH4$1$k$?$a$NJ8$G$"$j(B,
                    484: $B%k!<%W$NCf$+$i$G$bM-8z$G$"$k(B.
                    485:
                    486: @item
                    487: @code{continue}
                    488:
                    489: @code{continue} $BJ8$O(B, $B%k!<%W$NK\BN$NJ8$NKvC<$K@)8f$r0\$9(B.
                    490: $BNc$($P(B @code{for} $BJ8$G$O(B, $B:G8e$N<0JB$S$N<B9T$r9T$$(B, @code{while}
                    491: $BJ8$G$O>r7o<0$NH=Dj$K0\$k(B.
                    492: @end itemize
                    493:
                    494: @node $B$5$^$6$^$J<0(B,,, $B%f!<%6Dj5AH!?t$N=q$-J}(B
                    495: @subsection $B$5$^$6$^$J<0(B
                    496:
                    497: @noindent
                    498: $B<g$J<0$N9=@.MWAG$H$7$F$O(B, $B<!$N$h$&$J$b$N$,$"$k(B.
                    499:
                    500: @itemize @bullet
                    501: @item
                    502: $B2C8:>h=|(B, $BQQ(B
                    503:
                    504: $BQQ$O(B, @samp{^} $B$K$h$jI=$9(B. $B=|;;(B @samp{/} $B$O(B, $BBN$H$7$F$N1i;;$KMQ$$$k(B.
                    505: $BNc$($P(B, @code{2/3} $B$OM-M}?t$N(B @code{2/3} $B$rI=$9(B.
                    506: $B@0?t=|;;(B, $BB?9`<0=|;;(B ($B>jM>$r4^$`1i;;(B) $B$K$OJLESAH$_9~$_H!?t$,MQ0U$5$l$F$$$k(B.
                    507:
                    508: @example
                    509: x+1  A^2*B*afo X/3
                    510: @end example
                    511:
                    512: @item
                    513: $B%$%s%G%C%/%9$D$-$NJQ?t(B
                    514:
                    515: $B%Y%/%H%k(B, $B9TNs(B, $B%j%9%H$NMWAG$O%$%s%G%C%/%9$rMQ$$$k$3$H$K$h$j<h$j=P$;$k(B.
                    516: $B%$%s%G%C%/%9$O(B 0 $B$+$i;O$^$k$3$H$KCm0U$9$k(B. $B<h$j=P$7$?MWAG$,%Y%/%H%k(B,
                    517: $B9TNs(B, $B%j%9%H$J$i(B, $B$5$i$K%$%s%G%C%/%9$r$D$1$k$3$H$bM-8z$G$"$k(B.
                    518:
                    519: @example
                    520: V[0] M[1][2]
                    521: @end example
                    522:
                    523: @item
                    524: $BHf3S1i;;(B
                    525:
                    526: $BEy$7$$(B (@samp{==}), $BEy$7$/$J$$(B (@samp{!=}), $BBg>.(B (@samp{>}, @samp{<},
                    527: @samp{>=}, @samp{<=}) $B$N(B 2 $B9`1i;;$,$"$k(B. $B??$J$i$PM-M}?t$N(B 1, $B56$J$i$P(B
                    528: 0 $B$rCM$K;}$D(B.
                    529:
                    530: @item
                    531: $BO@M}<0(B
                    532:
                    533: $BO@M}@Q(B (@samp{&&}), $BO@M}OB(B (@samp{||}) $B$N(B 2 $B9`1i;;$H(B, $BH]Dj(B (@samp{!})
                    534: $B$,MQ0U$5$l$F$$$k(B. $BCM$O$d$O$j(B 1, 0 $B$G$"$k(B.
                    535:
                    536: @item
                    537: $BBeF~(B
                    538:
                    539: $BDL>o$NBeF~$O(B @samp{=} $B$G9T$&(B. $B$3$N$[$+(B, $B;;=Q1i;;;R$HAH$_9g$o$;$F(B
                    540: $BFC<l$JBeF~$r9T$&$3$H$b$G$-$k(B.
                    541: (@samp{+=}, @samp{-=}, @samp{*=}, @samp{/=}, @samp{^=})
                    542:
                    543: @example
                    544: A = 2  A *= 3 ($B$3$l$O(B A = A*3 $B$HF1$8(B; $B$=$NB>$N1i;;;R$bF1MM(B)
                    545: @end example
                    546: @item
                    547: $BH!?t8F$S=P$7(B
                    548:
                    549: $BH!?t8F$S=P$7$b<0$N0l<o$G$"$k(B.
                    550:
                    551: @item
                    552: @samp{++}, @samp{--}
                    553:
                    554: $B$3$l$i$O(B, $BJQ?t$NA08e$K$D$$$F(B, $B$=$l$>$l<!$N$h$&$JA`:n(B, $BCM$rI=$9(B.
                    555:
                    556: @example
                    557: A++  $BCM$O85$N(B A $B$NCM(B, A = A+1
                    558: A--  $BCM$O85$N(B A $B$NCM(B, A = A-1
                    559: ++A  A = A+1, $BCM$OJQ2=8e$NCM(B
                    560: --A  A = A-1, $BCM$OJQ2=8e$NCM(B
                    561: @end example
                    562:
                    563: @end itemize
                    564:
                    565: @node $B%W%j%W%m%;%C%5(B,,, $B%f!<%6Dj5AH!?t$N=q$-J}(B
                    566: @subsection $B%W%j%W%m%;%C%5(B
                    567:
                    568: @noindent
                    569: @b{Asir} $B$N%f!<%68@8l$O(B C $B8@8l$rLO$7$?$b$N$G$"$k(B. C $B$NFCD'$H$7$F(B,
                    570: $B%W%j%W%m%;%C%5(B @code{cpp} $B$K$h$k%^%/%mE83+(B, $B%U%!%$%k$N%$%s%/%k!<%I(B
                    571: $B$,$"$k$,(B, @b{Asir} $B$K$*$$$F$b%f!<%68@8l%U%!%$%k$NFI$_9~$_$N:](B
                    572: @code{cpp} $B$rDL$7$F$+$iFI$_9~$`$3$H$H$7$?(B. $B$3$l$K$h$j%f!<%68@8l(B
                    573: $B%U%!%$%kCf$G(B @code{#include}, @code{#define}, @code{#if} $B$J$I$,;H$($k(B.
                    574:
                    575: @itemize @bullet
                    576: @item
                    577: @code{#include}
                    578:
                    579: @code{cpp} $B$KFC$K0z?t$rEO$5$J$$$?$a(B, $B%$%s%/%k!<%I%U%!%$%k$O(B,
                    580: @code{#include} $B$,=q$+$l$F$$$k%U%!%$%k$HF1$8%G%#%l%/%H%j$G%5!<%A$5$l$k(B.
                    581:
                    582: @item
                    583: @code{#define}
                    584:
                    585: $B$3$l$O(B, C $B$K$*$1$k$N$HA4$/F1MM$KMQ$$$k$3$H$,$G$-$k(B.
                    586:
                    587: @item
                    588: @code{#if}
                    589:
                    590: @code{/*}, @code{*/} $B$K$h$k%3%a%s%H$OF~$l;R$K$G$-$J$$$N$G(B, $B%W%m%0%i%`(B
                    591: $B$NBg$-$JItJ,$r%3%a%s%H%"%&%H$9$k:]$K(B, @code{#if 0}, @code{#endif}
                    592: $B$r;H$&$HJXMx$G$"$k(B.
                    593: @end itemize
                    594:
                    595: @noindent
                    596: $B<!$NNc$O(B, @samp{defs.h} $B$K$"$k%^%/%mDj5A$G$"$k(B.
                    597:
                    598: @example
                    599: #define ZERO 0
                    600: #define NUM 1
                    601: #define POLY 2
                    602: #define RAT 3
                    603: #define LIST 4
                    604: #define VECT 5
                    605: #define MAT 6
                    606: #define STR 7
                    607: #define N_Q 0
                    608: #define N_R 1
                    609: #define N_A 2
                    610: #define N_B 3
                    611: #define N_C 4
                    612: #define V_IND 0
                    613: #define V_UC 1
                    614: #define V_PF 2
                    615: #define V_SR 3
                    616: #define isnum(a) (type(a)==NUM)
                    617: #define ispoly(a) (type(a)==POLY)
                    618: #define israt(a) (type(a)==RAT)
                    619: #define islist(a) (type(a)==LIST)
                    620: #define isvect(a) (type(a)==VECT)
                    621: #define ismat(a) (type(a)==MAT)
                    622: #define isstr(a) (type(a)==STR)
                    623: #define FIRST(L) (car(L))
                    624: #define SECOND(L) (car(cdr(L)))
                    625: #define THIRD(L) (car(cdr(cdr(L))))
                    626: #define FOURTH(L) (car(cdr(cdr(cdr(L)))))
                    627: #define DEG(a) deg(a,var(a))
                    628: #define LCOEF(a) coef(a,deg(a,var(a)))
                    629: #define LTERM(a) coef(a,deg(a,var(a)))*var(a)^deg(a,var(a))
                    630: #define TT(a) car(car(a))
                    631: #define TS(a) car(cdr(car(a)))
                    632: #define MAX(a,b) ((a)>(b)?(a):(b))
                    633: @end example
                    634:

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