version 1.2, 2018/09/28 08:20:28 |
version 1.9, 2019/09/19 06:29:47 |
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* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, |
* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, |
* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. |
* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. |
* |
* |
* $OpenXM: OpenXM_contrib2/asir2018/engine/dist.c,v 1.1 2018/09/19 05:45:07 noro Exp $ |
* $OpenXM: OpenXM_contrib2/asir2018/engine/dist.c,v 1.8 2019/09/13 02:04:42 noro Exp $ |
*/ |
*/ |
#include "ca.h" |
#include "ca.h" |
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Line 208 void initd(struct order_spec *spec) |
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Line 208 void initd(struct order_spec *spec) |
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dp_current_spec = spec; |
dp_current_spec = spec; |
} |
} |
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int dpm_ispot; |
int dpm_ordtype; |
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/* type=0 => TOP, type=1 => POT */ |
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void initdpm(struct order_spec *spec,int type) |
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{ |
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int len,i,k,row; |
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Q **mat; |
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initd(spec); |
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dpm_ispot = type; |
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} |
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void ptod(VL vl,VL dvl,P p,DP *pr) |
void ptod(VL vl,VL dvl,P p,DP *pr) |
{ |
{ |
int n,i,j,k; |
int n,i,j,k; |
Line 343 void nodetod(NODE node,DP *dp) |
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Line 333 void nodetod(NODE node,DP *dp) |
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void nodetodpm(NODE node,Obj pos,DPM *dp) |
void nodetodpm(NODE node,Obj pos,DPM *dp) |
{ |
{ |
NODE t; |
NODE t; |
int len,i,td; |
int len,i,td,p; |
Q e; |
Q e; |
DL d; |
DL d; |
DMM m; |
DMM m; |
Line 362 void nodetodpm(NODE node,Obj pos,DPM *dp) |
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Line 352 void nodetodpm(NODE node,Obj pos,DPM *dp) |
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} |
} |
} |
} |
d->td = td; |
d->td = td; |
NEWDMM(m); m->dl = d; m->pos = ZTOS((Q)pos); C(m) = (Obj)ONE; NEXT(m) = 0; |
p = ZTOS((Q)pos); |
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if ( dp_current_spec->module_rank ) { |
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if ( p > dp_current_spec->module_rank ) |
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error("nodetodpm : inconsistent order spec"); |
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d->td += dp_current_spec->module_top_weight[p-1]; |
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} |
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NEWDMM(m); m->dl = d; m->pos = p; C(m) = (Obj)ONE; NEXT(m) = 0; |
MKDPM(len,m,u); u->sugar = td; *dp = u; |
MKDPM(len,m,u); u->sugar = td; *dp = u; |
} |
} |
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Line 370 void dtodpm(DP d,int pos,DPM *dp) |
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Line 366 void dtodpm(DP d,int pos,DPM *dp) |
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{ |
{ |
DMM mr0,mr; |
DMM mr0,mr; |
MP m; |
MP m; |
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int shift; |
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if ( !d ) *dp = 0; |
if ( !d ) *dp = 0; |
else { |
else { |
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shift = 0; |
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if ( dp_current_spec->module_rank ) { |
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if ( pos > dp_current_spec->module_rank ) |
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error("nodetodpm : inconsistent order spec"); |
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shift = dp_current_spec->module_top_weight[pos-1]; |
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} |
for ( m = BDY(d), mr0 = 0; m; m = NEXT(m) ) { |
for ( m = BDY(d), mr0 = 0; m; m = NEXT(m) ) { |
NEXTDMM(mr0,mr); |
NEXTDMM(mr0,mr); |
mr->dl = m->dl; |
mr->dl = m->dl; |
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mr->dl->td += shift; |
mr->pos = pos; |
mr->pos = pos; |
C(mr) = C(m); |
C(mr) = C(m); |
} |
} |
Line 578 void _adddl(int n,DL d1,DL d2,DL d3) |
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Line 582 void _adddl(int n,DL d1,DL d2,DL d3) |
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d3->d[i] = d1->d[i]+d2->d[i]; |
d3->d[i] = d1->d[i]+d2->d[i]; |
} |
} |
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void _addtodl(int n,DL d1,DL d2) |
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{ |
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int i; |
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d2->td += d1->td; |
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for ( i = 0; i < n; i++ ) |
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d2->d[i] += d1->d[i]; |
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} |
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void _copydl(int n,DL d1,DL d2) |
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{ |
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int i; |
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d2->td = d1->td; |
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for ( i = 0; i < n; i++ ) |
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d2->d[i] = d1->d[i]; |
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} |
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int _eqdl(int n,DL d1,DL d2) |
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{ |
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int i; |
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if ( d2->td != d1->td ) return 0; |
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for ( i = 0; i < n; i++ ) |
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if ( d2->d[i] != d1->d[i] ) return 0; |
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return 1; |
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} |
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/* m1 <- m1 U dl*f, destructive */ |
/* m1 <- m1 U dl*f, destructive */ |
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NODE mul_dllist(DL dl,DP f); |
NODE mul_dllist(DL dl,DP f); |
Line 2616 NBP harmonic_mul_nbm(NBM a,NBM b) |
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Line 2648 NBP harmonic_mul_nbm(NBM a,NBM b) |
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/* DPM functions */ |
/* DPM functions */ |
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DMMstack dmm_stack; |
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int dpm_base_ordtype;; |
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DMMstack push_schreyer_order(LIST data,DMMstack stack) |
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{ |
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DMMstack t; |
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int len,i; |
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NODE in,t1; |
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LIST l; |
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/* data = [DPM,...,DPM] */ |
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if ( !dmm_stack && ( !dp_current_spec || dp_current_spec->id < 256 ) ) |
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error("push_schreyer_order : base module order is not set"); |
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in = BDY(data); |
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len = length(in); |
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NEWDMMstack(t); |
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t->rank = len; |
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t->in = (DMM *)MALLOC((len+1)*sizeof(DMM)); |
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if ( stack ) { |
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MKNODE(t1,data,BDY(stack->obj)); MKLIST(l,t1); t->obj = l; |
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} else { |
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MKNODE(t1,data,0); MKLIST(l,t1); t->obj = l; |
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} |
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for ( i = 1; i <= len; i++, in = NEXT(in) ) { |
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t->in[i] = BDY((DPM)BDY(in)); |
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} |
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t->next = stack;; |
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dpm_ordtype = 3; |
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return t; |
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} |
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// data=[Ink,...,In0] |
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// Ini = a list of module monomials |
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void set_schreyer_order(LIST data) |
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{ |
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NODE in; |
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LIST *w; |
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int i,len; |
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if ( !data ) { |
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dmm_stack = 0; |
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if ( dp_current_spec && dp_current_spec->id >= 256 ) |
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dpm_ordtype = dp_current_spec->module_ordtype; |
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else |
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dpm_ordtype = 0; |
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return; |
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} else { |
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if ( !dp_current_spec || dp_current_spec->id < 256 ) |
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error("set_schreyer_order : base module order is not set"); |
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dmm_stack = 0; |
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dpm_base_ordtype = dp_current_spec->module_ordtype; |
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in = BDY(data); |
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len = length(in); |
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w = (LIST *)MALLOC(len*sizeof(LIST)); |
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for ( i = 0; i < len; i++, in = NEXT(in) ) w[i] = (LIST)BDY(in); |
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for ( i = len-1; i >= 0; i-- ) dmm_stack = push_schreyer_order(w[i],dmm_stack); |
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} |
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} |
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// construct a base of syz(g) |
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// assuming the schrerer order is properly set |
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DP dpm_sp_hm(DPM p1,DPM p2); |
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void dpm_sp(DPM p1,DPM p2,DPM *sp,DP *t1,DP *t2); |
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DP *dpm_nf_and_quotient(NODE b,DPM sp,VECT psv,DPM *nf,P *dn); |
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void dpm_sort(DPM p,DPM *r); |
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extern int DP_Multiple; |
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void dpm_nf_z(NODE b,DPM g,VECT psv,int full,int multiple,DPM *rp); |
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NODE dpm_sort_list(NODE l); |
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void dpm_ptozp(DPM p,Z *cont,DPM *r); |
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NODE dpm_reduceall(NODE in) |
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{ |
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int n,i; |
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VECT psv; |
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DPM *ps; |
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NODE t,t1; |
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DPM g,r; |
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Z cont; |
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n = length(in); |
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MKVECT(psv,n); |
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ps = (DPM *)BDY(psv); |
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for ( i = 0, t = in; i < n; i++, t = NEXT(t) ) ps[i] = BDY(t); |
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for ( i = 0; i < n; i++ ) { |
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g = ps[i]; ps[i] = 0; |
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// dpm_nf_z(0,g,psv,1,DP_Multiple,&ps[i]); |
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dpm_nf_z(0,g,psv,1,0,&ps[i]); |
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} |
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t = 0; |
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for ( i = n-1; i >= 0; i-- ) { |
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dpm_ptozp(ps[i],&cont,&r); |
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MKNODE(t1,r,t); t = t1; |
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} |
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return t; |
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} |
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struct oEGT egra; |
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void dpm_ht(DPM d,DPM *r); |
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void dpm_schreyer_base(LIST g,LIST *s) |
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{ |
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NODE nd,t0,t,b0,b; |
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int n,i,j,k,nv; |
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LIST l; |
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Z cont; |
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P dn,c; |
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DP h,t1,t2; |
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MP d; |
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DMM r0,r; |
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DPM sp,nf,dpm; |
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DPM *ps; |
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VECT psv; |
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DP **m,*quo; |
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struct oEGT eg0,eg1; |
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extern struct oEGT egred; |
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init_eg(&egra); |
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nd = BDY(g); |
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n = length(nd); |
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MKVECT(psv,n); |
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ps = (DPM *)BDY(psv); |
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for ( i = 0, t = nd; i < n; i++, t = NEXT(t) ) ps[i] = (DPM)BDY(t); |
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nv = ps[0]->nv; |
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m = (DP **)almat_pointer(n,n); |
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b0 = 0; |
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for ( i = 0; i < n; i++ ) { |
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// sp(ps[i],ps[j]) = ti*ps[i]-tj*ps[j] => m[i][j] = ti |
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for ( j = i+1; j < n; j++ ) m[i][j] = dpm_sp_hm(ps[i],ps[j]); |
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for ( j = i+1; j < n; j++ ) { |
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if ( !m[i][j] ) continue; |
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for ( h = m[i][j], k = i+1; k < n; k++ ) |
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if ( k != j && m[i][k] && dp_redble(m[i][k],h) ) m[i][k] = 0; |
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} |
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for ( j = i+1; j < n; j++ ) { |
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if ( m[i][j] ) { |
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dpm_sp(ps[i],ps[j],&sp,&t1,&t2); |
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quo = dpm_nf_and_quotient(0,sp,psv,&nf,&dn); |
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if ( nf ) |
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error("dpm_schreyer_base : cannot happen"); |
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NEWDMM(r0); r = r0; |
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mulp(CO,(P)BDY(t1)->c,dn,(P *)&r->c); r->pos = i+1; r->dl = BDY(t1)->dl; |
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NEWDMM(NEXT(r)); r=NEXT(r); |
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mulp(CO,(P)BDY(t2)->c,dn,&c); chsgnp(c,(P *)&r->c); r->pos = j+1; r->dl = BDY(t2)->dl; |
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if ( quo ) { |
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for ( k = 0; k < n; k++ ) { |
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if ( !quo[k] ) continue; |
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for ( d = BDY(quo[k]); d; d = NEXT(d) ) { |
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NEXTDMM(r0,r); chsgnp((P)d->c,(P *)&r->c); r->pos = k+1; r->dl = d->dl; |
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} |
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} |
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} |
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NEXT(r) = 0; |
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MKDPM(nv,r0,dpm); // XXX : sugar is not set |
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NEXTNODE(b0,b); |
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BDY(b) = (pointer)dpm; |
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} |
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} |
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if ( b0 ) NEXT(b) = 0; |
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} |
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for ( t0 = t, nd = BDY(g); nd; nd = NEXT(nd) ) { |
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dpm_ht((DPM)BDY(nd),&dpm); NEXTNODE(t0,t); BDY(t) = (pointer)dpm; |
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} |
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if ( t0 ) NEXT(t) = 0; |
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MKLIST(l,t0); |
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dmm_stack = push_schreyer_order(l,dmm_stack); |
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for ( t = b0; t; t = NEXT(t) ) { |
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dpm_sort((DPM)BDY(t),&dpm); |
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BDY(t) = (pointer)dpm; |
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} |
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b0 = dpm_sort_list(b0); |
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// get_eg(&eg0); |
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b0 = dpm_reduceall(b0); |
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// get_eg(&eg1); add_eg(&egra,&eg0,&eg1); print_eg("RA",&egra); |
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MKLIST(*s,b0); |
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// print_eg("red",&egred); printf("\n"); |
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} |
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int compdmm_schreyer(int n,DMM m1,DMM m2) |
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{ |
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int pos1,pos2,t; |
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DMM *in; |
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DMMstack s; |
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static DL d1=0,d2=0; |
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static int dlen=0; |
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pos1 = m1->pos; pos2 = m2->pos; |
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if ( pos1 == pos2 ) return (*cmpdl)(n,m1->dl,m2->dl); |
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if ( n > dlen ) { |
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NEWDL(d1,n); NEWDL(d2,n); dlen = n; |
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} |
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_copydl(n,m1->dl,d1); |
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_copydl(n,m2->dl,d2); |
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for ( s = dmm_stack; s; s = NEXT(s) ) { |
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in = s->in; |
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_addtodl(n,in[pos1]->dl,d1); |
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_addtodl(n,in[pos2]->dl,d2); |
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if ( in[pos1]->pos == in[pos2]->pos && _eqdl(n,d1,d2)) { |
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if ( pos1 < pos2 ) return 1; |
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else if ( pos1 > pos2 ) return -1; |
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else return 0; |
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} |
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pos1 = in[pos1]->pos; |
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pos2 = in[pos2]->pos; |
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if ( pos1 == pos2 ) return (*cmpdl)(n,d1,d2); |
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} |
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// comparison by the bottom order |
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LAST: |
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if ( dpm_base_ordtype == 1 ) { |
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if ( pos1 < pos2 ) return 1; |
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else if ( pos1 > pos2 ) return -1; |
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else return (*cmpdl)(n,d1,d2); |
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} else { |
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t = (*cmpdl)(n,d1,d2); |
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if ( t ) return t; |
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else if ( pos1 < pos2 ) return 1; |
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else if ( pos1 > pos2 ) return -1; |
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else return 0; |
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} |
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} |
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int compdmm(int n,DMM m1,DMM m2) |
int compdmm(int n,DMM m1,DMM m2) |
{ |
{ |
int t; |
int t; |
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if ( dpm_ispot ) { |
switch ( dpm_ordtype ) { |
if ( m1->pos < m2->pos ) return 1; |
case 0: /* TOP ord->pos */ |
else if ( m1->pos > m2->pos ) return -1; |
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else return (*cmpdl)(n,m1->dl,m2->dl); |
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} else { |
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t = (*cmpdl)(n,m1->dl,m2->dl); |
t = (*cmpdl)(n,m1->dl,m2->dl); |
if ( t ) return t; |
if ( t ) return t; |
else if ( m1->pos < m2->pos ) return 1; |
else if ( m1->pos < m2->pos ) return 1; |
else if ( m1->pos > m2->pos ) return -1; |
else if ( m1->pos > m2->pos ) return -1; |
else return 0; |
else return 0; |
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case 1: /* POT : pos->ord */ |
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if ( m1->pos < m2->pos ) return 1; |
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else if ( m1->pos > m2->pos ) return -1; |
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else return (*cmpdl)(n,m1->dl,m2->dl); |
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case 2: /* wPOT: weight->pos->ord */ |
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if ( m1->dl->td > m2->dl->td ) return 1; |
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else if ( m1->dl->td < m2->dl->td ) return 1; |
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else if ( m1->pos < m2->pos ) return 1; |
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else if ( m1->pos > m2->pos ) return -1; |
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else return (*cmpdl)(n,m1->dl,m2->dl); |
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case 3: /* Schreyer */ |
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return compdmm_schreyer(n,m1,m2); |
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default: |
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error("compdmm : invalid dpm_ordtype"); |
} |
} |
} |
} |
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void adddpm(VL vl,DPM p1,DPM p2,DPM *pr) |
void adddpm(VL vl,DPM p1,DPM p2,DPM *pr) |
{ |
{ |
int n; |
int n,s; |
DMM m1,m2,mr=0,mr0; |
DMM m1,m2,mr=0,mr0; |
Obj t; |
Obj t; |
DL d; |
DL d; |
Line 2645 void adddpm(VL vl,DPM p1,DPM p2,DPM *pr) |
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Line 2913 void adddpm(VL vl,DPM p1,DPM p2,DPM *pr) |
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else if ( !p2 ) |
else if ( !p2 ) |
*pr = p1; |
*pr = p1; |
else { |
else { |
for ( n = NV(p1), m1 = BDY(p1), m2 = BDY(p2), mr0 = 0; m1 && m2; ) |
for ( n = NV(p1), m1 = BDY(p1), m2 = BDY(p2), mr0 = 0; m1 && m2; ) { |
switch ( compdmm(n,m1,m2) ) { |
s = compdmm(n,m1,m2); |
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switch ( s ) { |
case 0: |
case 0: |
arf_add(vl,C(m1),C(m2),&t); |
arf_add(vl,C(m1),C(m2),&t); |
if ( t ) { |
if ( t ) { |
Line 2660 void adddpm(VL vl,DPM p1,DPM p2,DPM *pr) |
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Line 2929 void adddpm(VL vl,DPM p1,DPM p2,DPM *pr) |
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NEXTDMM(mr0,mr); mr->pos = m2->pos; mr->dl = m2->dl; C(mr) = C(m2); |
NEXTDMM(mr0,mr); mr->pos = m2->pos; mr->dl = m2->dl; C(mr) = C(m2); |
m2 = NEXT(m2); break; |
m2 = NEXT(m2); break; |
} |
} |
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} |
if ( !mr0 ) |
if ( !mr0 ) |
if ( m1 ) |
if ( m1 ) |
mr0 = m1; |
mr0 = m1; |
Line 2709 void chsgndpm(DPM p,DPM *pr) |
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Line 2979 void chsgndpm(DPM p,DPM *pr) |
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} |
} |
} |
} |
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void mulcmp(Obj c,MP m) |
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{ |
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MP t; |
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Obj c1; |
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for ( t = m; t; t = NEXT(t) ) { |
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arf_mul(CO,c,C(t),&c1); C(t) = c1; |
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} |
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} |
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void mulcdmm(Obj c,DMM m) |
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{ |
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DMM t; |
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Obj c1; |
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for ( t = m; t; t = NEXT(t) ) { |
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arf_mul(CO,c,C(t),&c1); C(t) = c1; |
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} |
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} |
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void mulcdpm(VL vl,Obj c,DPM p,DPM *pr) |
void mulcdpm(VL vl,Obj c,DPM p,DPM *pr) |
{ |
{ |
DMM m,mr=0,mr0; |
DMM m,mr=0,mr0; |
Line 2863 int compdpm(VL vl,DPM p1,DPM p2) |
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Line 3153 int compdpm(VL vl,DPM p1,DPM p2) |
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} |
} |
} |
} |
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// p = ...+c*<<0,...0:pos>>+... |
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DPM dpm_eliminate_term(DPM a,DPM p,Obj c,int pos) |
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{ |
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MP d0,d; |
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DMM m; |
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DP f; |
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DPM a1,p1,r; |
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if ( !a ) return 0; |
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d0 = 0; |
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for ( m = BDY(a); m; m = NEXT(m) ) |
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if ( m->pos == pos ) { |
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NEXTMP(d0,d); d->dl = m->dl; arf_chsgn(m->c,&d->c); |
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} |
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if ( d0 ) { |
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NEXT(d) = 0; MKDP(NV(a),d0,f); |
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mulcdpm(CO,c,a,&a1); |
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mulobjdpm(CO,(Obj)f,p,&p1); |
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adddpm(CO,a1,p1,&r); |
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return r; |
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} else |
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return a; |
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} |
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// <<...:i>> -> <<...:tab[i]>> |
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DPM dpm_compress(DPM p,int *tab) |
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{ |
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DMM m,mr0,mr; |
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DPM t; |
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if ( !p ) return 0; |
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else { |
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for ( m = BDY(p), mr0 = 0; m; m = NEXT(m) ) { |
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NEXTDMM(mr0,mr); |
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mr->dl = m->dl; mr->c = m->c; mr->pos = tab[m->pos]; |
|
if ( mr->pos <= 0 ) |
|
error("dpm_compress : invalid position"); |
|
} |
|
NEXT(mr) = 0; |
|
MKDPM(p->nv,mr0,t); t->sugar = p->sugar; |
|
return t; |
|
} |
|
} |
|
|
|
// input : s, s = syz(m) output simplified s, m |
|
void dpm_simplify_syz(LIST s,LIST m,LIST *s1,LIST *m1) |
|
{ |
|
int lm,ls,i,j,k,pos,nv; |
|
DPM *am,*as; |
|
DPM p; |
|
DMM d; |
|
Obj c; |
|
int *tab,*dd; |
|
NODE t,t1; |
|
|
|
lm = length(BDY(m)); |
|
am = (DPM *)MALLOC((lm+1)*sizeof(DPM)); |
|
ls = length(BDY(s)); |
|
as = (DPM *)MALLOC(ls*sizeof(DPM)); |
|
for ( i = 1, t = BDY(m); i <= lm; i++, t = NEXT(t) ) am[i] = (DPM)BDY(t); |
|
for ( i = 0, t = BDY(s); i < ls; i++, t = NEXT(t) ) as[i] = (DPM)BDY(t); |
|
|
|
for ( i = 0; i < ls; i++ ) { |
|
p = as[i]; |
|
if ( p == 0 ) continue; |
|
nv = NV(p); |
|
for ( d = BDY(p); d; d = NEXT(d) ) { |
|
dd = d->dl->d; |
|
for ( k = 0; k < nv; k++ ) if ( dd[k] ) break; |
|
if ( k == nv ) break; |
|
} |
|
if ( d ) { |
|
c = d->c; pos = d->pos; |
|
for ( j = 0; j < ls; j++ ) |
|
if ( j != i ) { |
|
as[j] = dpm_eliminate_term(as[j],p,c,pos); |
|
} |
|
// remove m[i] |
|
am[pos] = 0; |
|
as[i] = 0; |
|
} |
|
} |
|
// compress s |
|
// create index table from am[] |
|
// (0 0 * 0 * ...) -> (0 0 1 0 2 ... ) which means 2->1, 4->2, ... |
|
tab = (int *)MALLOC((lm+1)*sizeof(int)); |
|
for ( j = 0, i = 1; i <= lm; i++ ) { |
|
if ( am[i] ) { j++; tab[i] = j; } |
|
else tab[i] = 0; |
|
} |
|
t = 0; |
|
for ( i = ls-1; i >= 0; i-- ) |
|
if ( as[i] ) { |
|
p = dpm_compress(as[i],tab); |
|
MKNODE(t1,(pointer)p,t); t = t1; |
|
} |
|
MKLIST(*s1,t); |
|
t = 0; |
|
for ( i = lm; i >= 1; i-- ) |
|
if ( am[i] ) { |
|
MKNODE(t1,(pointer)am[i],t); t = t1; |
|
} |
|
MKLIST(*m1,t); |
|
} |