version 1.36, 2004/05/14 09:20:56 |
version 1.42, 2007/09/06 02:23:40 |
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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/asir2000/builtin/dp-supp.c,v 1.35 2004/05/14 06:02:54 noro Exp $ |
* $OpenXM: OpenXM_contrib2/asir2000/builtin/dp-supp.c,v 1.41 2007/08/21 23:53:00 noro Exp $ |
*/ |
*/ |
#include "ca.h" |
#include "ca.h" |
#include "base.h" |
#include "base.h" |
Line 62 extern int NoGCD; |
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Line 62 extern int NoGCD; |
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extern int GenTrace; |
extern int GenTrace; |
extern NODE TraceList; |
extern NODE TraceList; |
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int show_orderspec; |
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void print_composite_order_spec(struct order_spec *spec); |
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/* |
/* |
* content reduction |
* content reduction |
* |
* |
Line 118 void dp_ptozp2(DP p0,DP p1,DP *hp,DP *rp) |
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Line 122 void dp_ptozp2(DP p0,DP p1,DP *hp,DP *rp) |
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*hp = h; *rp = r; |
*hp = h; *rp = r; |
} |
} |
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void dp_ptozp3(DP p,Q *dvr,DP *rp) |
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{ |
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MP m,mr,mr0; |
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int i,n; |
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Q *w; |
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P t; |
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if ( !p ) { |
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*rp = 0; *dvr = 0; |
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}else { |
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for ( m =BDY(p), n = 0; m; m = NEXT(m), n++ ); |
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w = (Q *)ALLOCA(n*sizeof(Q)); |
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for ( m =BDY(p), i = 0; i < n; m = NEXT(m), i++ ) |
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if ( NUM(m->c) ) |
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w[i] = (Q)m->c; |
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else |
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ptozp(m->c,1,&w[i],&t); |
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sortbynm(w,n); |
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qltozl(w,n,dvr); |
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for ( mr0 = 0, m = BDY(p); m; m = NEXT(m) ) { |
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NEXTMP(mr0,mr); divsp(CO,m->c,(P)(*dvr),&mr->c); mr->dl = m->dl; |
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} |
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NEXT(mr) = 0; MKDP(p->nv,mr0,*rp); (*rp)->sugar = p->sugar; |
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} |
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} |
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void dp_idiv(DP p,Q c,DP *rp) |
void dp_idiv(DP p,Q c,DP *rp) |
{ |
{ |
Q t; |
Q t; |
Line 481 void heu_nezgcdnpz(VL vl,P *pl,int m,P *pr) |
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Line 511 void heu_nezgcdnpz(VL vl,P *pl,int m,P *pr) |
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int i,r; |
int i,r; |
P gcd,t,s1,s2,u; |
P gcd,t,s1,s2,u; |
Q rq; |
Q rq; |
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DCP dc; |
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extern int DP_Print; |
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while ( 1 ) { |
while ( 1 ) { |
for ( i = 0, s1 = 0; i < m; i++ ) { |
for ( i = 0, s1 = 0; i < m; i++ ) { |
r = random(); UTOQ(r,rq); |
r = random(); UTOQ(r,rq); |
Line 492 void heu_nezgcdnpz(VL vl,P *pl,int m,P *pr) |
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Line 524 void heu_nezgcdnpz(VL vl,P *pl,int m,P *pr) |
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mulp(vl,pl[i],(P)rq,&t); addp(vl,s2,t,&u); s2 = u; |
mulp(vl,pl[i],(P)rq,&t); addp(vl,s2,t,&u); s2 = u; |
} |
} |
ezgcdp(vl,s1,s2,&gcd); |
ezgcdp(vl,s1,s2,&gcd); |
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if ( DP_Print > 2 ) |
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{ fprintf(asir_out,"(%d)",nmonop(gcd)); fflush(asir_out); } |
for ( i = 0; i < m; i++ ) { |
for ( i = 0; i < m; i++ ) { |
if ( !divtpz(vl,pl[i],gcd,&t) ) |
if ( !divtpz(vl,pl[i],gcd,&t) ) |
break; |
break; |
Line 779 void dp_red(DP p0,DP p1,DP p2,DP *head,DP *rest,P *dnp |
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Line 813 void dp_red(DP p0,DP p1,DP p2,DP *head,DP *rest,P *dnp |
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*head = h; *rest = r; *dnp = (P)c2; |
*head = h; *rest = r; *dnp = (P)c2; |
} |
} |
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/* |
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* m-reduction by a marked poly |
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* do content reduction over Z or Q(x,...) |
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* do nothing over finite fields |
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* |
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*/ |
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void dp_red_marked(DP p0,DP p1,DP p2,DP hp2,DP *head,DP *rest,P *dnp,DP *multp) |
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{ |
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int i,n; |
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DL d1,d2,d; |
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MP m; |
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DP t,s,r,h; |
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Q c,c1,c2; |
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N gn,tn; |
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P g,a; |
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P p[2]; |
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n = p1->nv; d1 = BDY(p1)->dl; d2 = BDY(hp2)->dl; |
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NEWDL(d,n); d->td = d1->td - d2->td; |
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for ( i = 0; i < n; i++ ) |
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d->d[i] = d1->d[i]-d2->d[i]; |
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c1 = (Q)BDY(p1)->c; c2 = (Q)BDY(hp2)->c; |
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if ( dp_fcoeffs == N_GFS ) { |
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p[0] = (P)c1; p[1] = (P)c2; |
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gcdsf(CO,p,2,&g); |
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divsp(CO,(P)c1,g,&a); c1 = (Q)a; divsp(CO,(P)c2,g,&a); c2 = (Q)a; |
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} else if ( dp_fcoeffs ) { |
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/* do nothing */ |
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} else if ( INT(c1) && INT(c2) ) { |
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gcdn(NM(c1),NM(c2),&gn); |
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if ( !UNIN(gn) ) { |
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divsn(NM(c1),gn,&tn); NTOQ(tn,SGN(c1),c); c1 = c; |
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divsn(NM(c2),gn,&tn); NTOQ(tn,SGN(c2),c); c2 = c; |
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} |
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} else { |
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ezgcdpz(CO,(P)c1,(P)c2,&g); |
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divsp(CO,(P)c1,g,&a); c1 = (Q)a; divsp(CO,(P)c2,g,&a); c2 = (Q)a; |
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} |
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NEWMP(m); m->dl = d; chsgnp((P)c1,&m->c); NEXT(m) = 0; MKDP(n,m,s); s->sugar = d->td; |
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*multp = s; |
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muld(CO,s,p2,&t); muldc(CO,p1,(P)c2,&s); addd(CO,s,t,&r); |
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muldc(CO,p0,(P)c2,&h); |
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*head = h; *rest = r; *dnp = (P)c2; |
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} |
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/* m-reduction over a field */ |
/* m-reduction over a field */ |
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void dp_red_f(DP p1,DP p2,DP *rest) |
void dp_red_f(DP p1,DP p2,DP *rest) |
Line 927 void dp_true_nf(NODE b,DP g,DP *ps,int full,DP *rp,P * |
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Line 1008 void dp_true_nf(NODE b,DP g,DP *ps,int full,DP *rp,P * |
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*rp = d; *dnp = dn; |
*rp = d; *dnp = dn; |
} |
} |
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/* true nf by a marked GB */ |
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void dp_true_nf_marked(NODE b,DP g,DP *ps,DP *hps,DP *rp,P *dnp) |
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{ |
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DP u,p,d,s,t,dmy,hp; |
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NODE l; |
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MP m,mr; |
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int i,n; |
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int *wb; |
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int sugar,psugar; |
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P dn,tdn,tdn1; |
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dn = (P)ONE; |
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if ( !g ) { |
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*rp = 0; *dnp = dn; return; |
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} |
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for ( n = 0, l = b; l; l = NEXT(l), n++ ); |
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wb = (int *)ALLOCA(n*sizeof(int)); |
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for ( i = 0, l = b; i < n; l = NEXT(l), i++ ) |
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wb[i] = QTOS((Q)BDY(l)); |
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sugar = g->sugar; |
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for ( d = 0; g; ) { |
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for ( u = 0, i = 0; i < n; i++ ) { |
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if ( dp_redble(g,hp = hps[wb[i]]) ) { |
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p = ps[wb[i]]; |
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dp_red_marked(d,g,p,hp,&t,&u,&tdn,&dmy); |
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psugar = (BDY(g)->dl->td - BDY(p)->dl->td) + p->sugar; |
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sugar = MAX(sugar,psugar); |
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if ( !u ) { |
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if ( d ) |
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d->sugar = sugar; |
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*rp = d; *dnp = dn; return; |
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} else { |
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d = t; |
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mulp(CO,dn,tdn,&tdn1); dn = tdn1; |
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} |
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break; |
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} |
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} |
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if ( u ) |
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g = u; |
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else { |
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m = BDY(g); NEWMP(mr); mr->dl = m->dl; mr->c = m->c; |
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NEXT(mr) = 0; MKDP(g->nv,mr,t); t->sugar = mr->dl->td; |
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addd(CO,d,t,&s); d = s; |
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dp_rest(g,&t); g = t; |
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} |
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} |
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if ( d ) |
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d->sugar = sugar; |
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*rp = d; *dnp = dn; |
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} |
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/* nf computation over Z */ |
/* nf computation over Z */ |
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void dp_nf_z(NODE b,DP g,DP *ps,int full,int multiple,DP *rp) |
void dp_nf_z(NODE b,DP g,DP *ps,int full,int multiple,DP *rp) |
Line 1317 void dp_nf_tab_f(DP p,LIST *tab,DP *rp) |
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Line 1451 void dp_nf_tab_f(DP p,LIST *tab,DP *rp) |
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int create_order_spec(VL vl,Obj obj,struct order_spec **specp) |
int create_order_spec(VL vl,Obj obj,struct order_spec **specp) |
{ |
{ |
int i,j,n,s,row,col; |
int i,j,n,s,row,col,ret; |
struct order_spec *spec; |
struct order_spec *spec; |
struct order_pair *l; |
struct order_pair *l; |
NODE node,t,tn; |
NODE node,t,tn; |
Line 1325 int create_order_spec(VL vl,Obj obj,struct order_spec |
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Line 1459 int create_order_spec(VL vl,Obj obj,struct order_spec |
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pointer **b; |
pointer **b; |
int **w; |
int **w; |
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if ( vl && obj && OID(obj) == O_LIST ) |
if ( vl && obj && OID(obj) == O_LIST ) { |
return create_composite_order_spec(vl,(LIST)obj,specp); |
ret = create_composite_order_spec(vl,(LIST)obj,specp); |
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if ( show_orderspec ) |
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print_composite_order_spec(*specp); |
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return ret; |
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} |
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*specp = spec = (struct order_spec *)MALLOC(sizeof(struct order_spec)); |
*specp = spec = (struct order_spec *)MALLOC(sizeof(struct order_spec)); |
if ( !obj || NUM(obj) ) { |
if ( !obj || NUM(obj) ) { |
Line 1406 void print_composite_order_spec(struct order_spec *spe |
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Line 1544 void print_composite_order_spec(struct order_spec *spe |
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} |
} |
} |
} |
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struct order_spec *append_block(struct order_spec *spec, |
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int nv,int nalg,int ord) |
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{ |
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MAT m,mat; |
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int i,j,row,col,n; |
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Q **b,**wp; |
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int **w; |
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NODE t,s,s0; |
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struct order_pair *l,*l0; |
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int n0,nv0; |
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LIST list0,list1,list; |
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Q oq,nq; |
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struct order_spec *r; |
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r = (struct order_spec *)MALLOC(sizeof(struct order_spec)); |
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switch ( spec->id ) { |
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case 0: |
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STOQ(spec->ord.simple,oq); STOQ(nv,nq); |
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t = mknode(2,oq,nq); MKLIST(list0,t); |
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STOQ(ord,oq); STOQ(nalg,nq); |
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t = mknode(2,oq,nq); MKLIST(list1,t); |
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t = mknode(2,list0,list1); MKLIST(list,t); |
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l = (struct order_pair *)MALLOC_ATOMIC(2*sizeof(struct order_pair)); |
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l[0].order = spec->ord.simple; l[0].length = nv; |
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l[1].order = ord; l[1].length = nalg; |
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r->id = 1; r->obj = (Obj)list; |
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r->ord.block.order_pair = l; |
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r->ord.block.length = 2; |
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r->nv = nv+nalg; |
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break; |
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case 1: |
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if ( spec->nv != nv ) |
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error("append_block : number of variables mismatch"); |
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l0 = spec->ord.block.order_pair; |
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n0 = spec->ord.block.length; |
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nv0 = spec->nv; |
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list0 = (LIST)spec->obj; |
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n = n0+1; |
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l = (struct order_pair *)MALLOC_ATOMIC(n*sizeof(struct order_pair)); |
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for ( i = 0; i < n0; i++ ) |
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l[i] = l0[i]; |
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l[i].order = ord; l[i].length = nalg; |
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for ( t = BDY(list0), s0 = 0; t; t = NEXT(t) ) { |
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NEXTNODE(s0,s); BDY(s) = BDY(t); |
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} |
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STOQ(ord,oq); STOQ(nalg,nq); |
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t = mknode(2,oq,nq); MKLIST(list,t); |
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NEXTNODE(s0,s); BDY(s) = (pointer)list; NEXT(s) = 0; |
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MKLIST(list,s0); |
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r->id = 1; r->obj = (Obj)list; |
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r->ord.block.order_pair = l; |
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r->ord.block.length = n; |
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r->nv = nv+nalg; |
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break; |
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case 2: |
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if ( spec->nv != nv ) |
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error("append_block : number of variables mismatch"); |
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m = (MAT)spec->obj; |
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row = m->row; col = m->col; b = (Q **)BDY(m); |
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w = almat(row+nalg,col+nalg); |
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MKMAT(mat,row+nalg,col+nalg); wp = (Q **)BDY(mat); |
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for ( i = 0; i < row; i++ ) |
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for ( j = 0; j < col; j++ ) { |
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w[i][j] = QTOS(b[i][j]); |
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wp[i][j] = b[i][j]; |
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} |
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for ( i = 0; i < nalg; i++ ) { |
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w[i+row][i+col] = 1; |
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wp[i+row][i+col] = ONE; |
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} |
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r->id = 2; r->obj = (Obj)mat; |
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r->nv = col+nalg; r->ord.matrix.row = row+nalg; |
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r->ord.matrix.matrix = w; |
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break; |
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case 3: |
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default: |
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/* XXX */ |
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error("append_block : not implemented yet"); |
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} |
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return r; |
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} |
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int comp_sw(struct sparse_weight *a, struct sparse_weight *b) |
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{ |
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if ( a->pos > b->pos ) return 1; |
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else if ( a->pos < b->pos ) return -1; |
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else return 0; |
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} |
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/* order = [w_or_b, w_or_b, ... ] */ |
/* order = [w_or_b, w_or_b, ... ] */ |
/* w_or_b = w or b */ |
/* w_or_b = w or b */ |
/* w = [1,2,...] or [x,1,y,2,...] */ |
/* w = [1,2,...] or [x,1,y,2,...] */ |
Line 1483 int create_composite_order_spec(VL vl,LIST order,struc |
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Line 1710 int create_composite_order_spec(VL vl,LIST order,struc |
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error("a sparse weight vector must be specified as [var1,weight1,...]"); |
error("a sparse weight vector must be specified as [var1,weight1,...]"); |
sw[j].value = QTOS((Q)BDY(p)); p = NEXT(p); |
sw[j].value = QTOS((Q)BDY(p)); p = NEXT(p); |
} |
} |
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qsort(sw,len,sizeof(struct sparse_weight), |
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(int (*)(const void *,const void *))comp_sw); |
w_or_b[i].type = IS_SPARSE_WEIGHT; |
w_or_b[i].type = IS_SPARSE_WEIGHT; |
w_or_b[i].length = len; |
w_or_b[i].length = len; |
w_or_b[i].body.sparse_weight = sw; |
w_or_b[i].body.sparse_weight = sw; |
Line 2217 int dpv_ht(DPV p,DP *h) |
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Line 2446 int dpv_ht(DPV p,DP *h) |
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MKDP(e[maxi]->nv,mr,*h); (*h)->sugar = mr->dl->td; /* XXX */ |
MKDP(e[maxi]->nv,mr,*h); (*h)->sugar = mr->dl->td; /* XXX */ |
return maxi; |
return maxi; |
} |
} |
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} |
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/* return 1 if 0 <_w1 v && v <_w2 0 */ |
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int in_c12(int n,int *v,int row1,int **w1,int row2, int **w2) |
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{ |
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int t1,t2; |
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t1 = compare_zero(n,v,row1,w1); |
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t2 = compare_zero(n,v,row2,w2); |
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if ( t1 > 0 && t2 < 0 ) return 1; |
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else return 0; |
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} |
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/* 0 < u => 1, 0 > u => -1 */ |
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int compare_zero(int n,int *u,int row,int **w) |
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{ |
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int i,j,t; |
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int *wi; |
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for ( i = 0; i < row; i++ ) { |
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wi = w[i]; |
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for ( j = 0, t = 0; j < n; j++ ) t += u[j]*wi[j]; |
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if ( t > 0 ) return 1; |
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else if ( t < 0 ) return -1; |
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} |
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return 0; |
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} |
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/* functions for generic groebner walk */ |
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/* u=0 means u=-infty */ |
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int compare_facet_preorder(int n,int *u,int *v, |
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int row1,int **w1,int row2,int **w2) |
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{ |
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int i,j,s,t,tu,tv; |
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int *w2i,*uv; |
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if ( !u ) return 1; |
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uv = W_ALLOC(n); |
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for ( i = 0; i < row2; i++ ) { |
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w2i = w2[i]; |
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for ( j = 0, tu = tv = 0; j < n; j++ ) |
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if ( s = w2i[j] ) { |
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tu += s*u[j]; tv += s*v[j]; |
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} |
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for ( j = 0; j < n; j++ ) uv[j] = u[j]*tv-v[j]*tu; |
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t = compare_zero(n,uv,row1,w1); |
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if ( t > 0 ) return 1; |
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else if ( t < 0 ) return 0; |
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} |
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return 1; |
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} |
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/* return 0 if last_w = infty */ |
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NODE compute_last_w(NODE g,NODE gh,int n,int **w, |
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int row1,int **w1,int row2,int **w2) |
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{ |
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DP d; |
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MP f,m0,m; |
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int *wt,*v,*h; |
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NODE t,s,n0,tn,n1,r0,r; |
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int i; |
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wt = W_ALLOC(n); |
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n0 = 0; |
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for ( t = g, s = gh; t; t = NEXT(t), s = NEXT(s) ) { |
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f = BDY((DP)BDY(t)); |
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h = BDY((DP)BDY(s))->dl->d; |
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for ( ; f; f = NEXT(f) ) { |
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for ( i = 0; i < n; i++ ) wt[i] = h[i]-f->dl->d[i]; |
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for ( i = 0; i < n && !wt[i]; i++ ); |
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if ( i == n ) continue; |
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if ( in_c12(n,wt,row1,w1,row2,w2) && |
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compare_facet_preorder(n,*w,wt,row1,w1,row2,w2) ) { |
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v = (int *)MALLOC_ATOMIC(n*sizeof(int)); |
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for ( i = 0; i < n; i++ ) v[i] = wt[i]; |
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MKNODE(n1,v,n0); n0 = n1; |
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} |
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} |
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} |
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if ( !n0 ) return 0; |
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for ( t = n0; t; t = NEXT(t) ) { |
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v = (int *)BDY(t); |
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for ( s = n0; s; s = NEXT(s) ) |
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if ( !compare_facet_preorder(n,v,(int *)BDY(s),row1,w1,row2,w2) ) |
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break; |
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if ( !s ) { |
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*w = v; |
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break; |
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} |
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} |
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if ( !t ) |
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error("compute_last_w : cannot happen"); |
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r0 = 0; |
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for ( t = g, s = gh; t; t = NEXT(t), s = NEXT(s) ) { |
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f = BDY((DP)BDY(t)); |
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h = BDY((DP)BDY(s))->dl->d; |
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for ( m0 = 0; f; f = NEXT(f) ) { |
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for ( i = 0; i < n; i++ ) wt[i] = h[i]-f->dl->d[i]; |
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for ( i = 0; i < n && !wt[i]; i++ ); |
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if ( i == n || |
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(compare_facet_preorder(n,wt,*w,row1,w1,row2,w2) |
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&& compare_facet_preorder(n,*w,wt,row1,w1,row2,w2)) ) { |
|
NEXTMP(m0,m); m->c = f->c; m->dl = f->dl; |
|
} |
|
NEXT(m) = 0; |
|
} |
|
MKDP(((DP)BDY(t))->nv,m0,d); d->sugar = ((DP)BDY(t))->sugar; |
|
NEXTNODE(r0,r); BDY(r) = (pointer)d; |
|
} |
|
NEXT(r) = 0; |
|
return r0; |
} |
} |