version 1.18, 2001/09/17 10:32:40 |
version 1.36, 2004/05/14 09:20:56 |
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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 1.17 2001/09/17 02:58:27 noro Exp $ |
* $OpenXM: OpenXM_contrib2/asir2000/builtin/dp-supp.c,v 1.35 2004/05/14 06:02:54 noro Exp $ |
*/ |
*/ |
#include "ca.h" |
#include "ca.h" |
#include "base.h" |
#include "base.h" |
Line 67 extern NODE TraceList; |
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Line 67 extern NODE TraceList; |
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* |
* |
*/ |
*/ |
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void dp_ptozp(p,rp) |
void dp_ptozp(DP p,DP *rp) |
DP p,*rp; |
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{ |
{ |
MP m,mr,mr0; |
MP m,mr,mr0; |
int i,n; |
int i,n; |
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} |
} |
} |
} |
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void dp_ptozp2(p0,p1,hp,rp) |
void dp_ptozp2(DP p0,DP p1,DP *hp,DP *rp) |
DP p0,p1; |
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DP *hp,*rp; |
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{ |
{ |
DP t,s,h,r; |
DP t,s,h,r; |
MP m,mr,mr0,m0; |
MP m,mr,mr0,m0; |
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*hp = h; *rp = r; |
*hp = h; *rp = r; |
} |
} |
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void dp_idiv(p,c,rp) |
void dp_idiv(DP p,Q c,DP *rp) |
DP p; |
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Q c; |
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DP *rp; |
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{ |
{ |
Q t; |
Q t; |
N nm,q; |
N nm,q; |
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} |
} |
} |
} |
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void dp_mbase(hlist,mbase) |
void dp_mbase(NODE hlist,NODE *mbase) |
NODE hlist; |
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NODE *mbase; |
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{ |
{ |
DL *dl; |
DL *dl; |
DL d; |
DL d; |
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while ( 1 ) { |
while ( 1 ) { |
insert_to_node(d,mbase,nvar); |
insert_to_node(d,mbase,nvar); |
for ( i = nvar-1; i >= 0; ) { |
for ( i = nvar-1; i >= 0; ) { |
d->d[i]++; d->td++; |
d->d[i]++; |
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d->td += MUL_WEIGHT(1,i); |
for ( j = 0; j < n; j++ ) { |
for ( j = 0; j < n; j++ ) { |
if ( _dl_redble(dl[j],d,nvar) ) |
if ( _dl_redble(dl[j],d,nvar) ) |
break; |
break; |
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for ( j = nvar-1; j >= i; j-- ) |
for ( j = nvar-1; j >= i; j-- ) |
d->d[j] = 0; |
d->d[j] = 0; |
for ( j = 0, td = 0; j < i; j++ ) |
for ( j = 0, td = 0; j < i; j++ ) |
td += d->d[j]; |
td += MUL_WEIGHT(d->d[j],j); |
d->td = td; |
d->td = td; |
i--; |
i--; |
} else |
} else |
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} |
} |
} |
} |
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int _dl_redble(d1,d2,nvar) |
int _dl_redble(DL d1,DL d2,int nvar) |
DL d1,d2; |
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int nvar; |
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{ |
{ |
int i; |
int i; |
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return 1; |
return 1; |
} |
} |
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void insert_to_node(d,n,nvar) |
void insert_to_node(DL d,NODE *n,int nvar) |
DL d; |
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NODE *n; |
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int nvar; |
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{ |
{ |
DL d1; |
DL d1; |
MP m; |
MP m; |
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} |
} |
} |
} |
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void dp_vtod(c,p,rp) |
void dp_vtod(Q *c,DP p,DP *rp) |
Q *c; |
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DP p; |
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DP *rp; |
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{ |
{ |
MP mr0,m,mr; |
MP mr0,m,mr; |
int i; |
int i; |
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extern int mpi_mag; |
extern int mpi_mag; |
extern int PCoeffs; |
extern int PCoeffs; |
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void dp_ptozp_d(p,rp) |
void dp_ptozp_d(DP p,DP *rp) |
DP p,*rp; |
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{ |
{ |
int i,j,k,l,n,nsep; |
int i,j,k,l,n,nsep; |
MP m; |
MP m; |
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VECT c,cs; |
VECT c,cs; |
VECT qi,ri; |
VECT qi,ri; |
LIST *qr; |
LIST *qr; |
int s,id; |
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Obj dmy; |
Obj dmy; |
Q d0,d1,gcd,a,u,u1; |
Q d0,d1,gcd,a,u,u1; |
Q *q,*r; |
Q *q,*r; |
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double t_e,t_d,t_d1,t_c; |
double t_e,t_d,t_d1,t_c; |
extern int DP_NFStat; |
extern int DP_NFStat; |
extern LIST Dist; |
extern LIST Dist; |
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void Pox_rpc(); |
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void Pox_pop_local(); |
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if ( !p ) |
if ( !p ) |
*rp = 0; |
*rp = 0; |
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} |
} |
} |
} |
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void dp_ptozp2_d(p0,p1,hp,rp) |
void dp_ptozp2_d(DP p0,DP p1,DP *hp,DP *rp) |
DP p0,p1; |
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DP *hp,*rp; |
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{ |
{ |
DP t,s,h,r; |
DP t,s,h,r; |
MP m,mr,mr0,m0; |
MP m,mr,mr0,m0; |
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*hp = h; *rp = r; |
*hp = h; *rp = r; |
} |
} |
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void dp_prim(p,rp) |
int have_sf_coef(P p) |
DP p,*rp; |
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{ |
{ |
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DCP dc; |
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if ( !p ) |
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return 0; |
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else if ( NUM(p) ) |
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return NID((Num)p) == N_GFS ? 1 : 0; |
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else { |
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for ( dc = DC(p); dc; dc = NEXT(dc) ) |
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if ( have_sf_coef(COEF(dc)) ) |
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return 1; |
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return 0; |
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} |
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} |
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void head_coef(P p,Num *c) |
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{ |
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if ( !p ) |
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*c = 0; |
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else if ( NUM(p) ) |
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*c = (Num)p; |
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else |
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head_coef(COEF(DC(p)),c); |
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} |
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void dp_monic_sf(DP p,DP *rp) |
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{ |
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Num c; |
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if ( !p ) |
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*rp = 0; |
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else { |
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head_coef(BDY(p)->c,&c); |
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divsdc(CO,p,(P)c,rp); |
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} |
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} |
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void dp_prim(DP p,DP *rp) |
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{ |
P t,g; |
P t,g; |
DP p1; |
DP p1; |
MP m,mr,mr0; |
MP m,mr,mr0; |
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if ( !p ) |
if ( !p ) |
*rp = 0; |
*rp = 0; |
else if ( dp_fcoeffs ) |
else if ( dp_fcoeffs == N_GFS ) { |
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for ( m = BDY(p); m; m = NEXT(m) ) |
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if ( OID(m->c) == O_N ) { |
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/* GCD of coeffs = 1 */ |
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dp_monic_sf(p,rp); |
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return; |
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} else break; |
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/* compute GCD over the finite fieid */ |
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for ( m = BDY(p), n = 0; m; m = NEXT(m), n++ ); |
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w = (P *)ALLOCA(n*sizeof(P)); |
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for ( m = BDY(p), i = 0; i < n; m = NEXT(m), i++ ) |
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w[i] = m->c; |
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gcdsf(CO,w,n,&g); |
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if ( NUM(g) ) |
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dp_monic_sf(p,rp); |
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else { |
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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,g,&mr->c); mr->dl = m->dl; |
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} |
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NEXT(mr) = 0; MKDP(p->nv,mr0,p1); p1->sugar = p->sugar; |
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dp_monic_sf(p1,rp); |
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} |
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return; |
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} else if ( dp_fcoeffs ) |
*rp = p; |
*rp = p; |
else if ( NoGCD ) |
else if ( NoGCD ) |
dp_ptozp(p,rp); |
dp_ptozp(p,rp); |
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} |
} |
} |
} |
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void heu_nezgcdnpz(vl,pl,m,pr) |
void heu_nezgcdnpz(VL vl,P *pl,int m,P *pr) |
VL vl; |
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P *pl,*pr; |
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int m; |
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{ |
{ |
int i,r; |
int i,r; |
P gcd,t,s1,s2,u; |
P gcd,t,s1,s2,u; |
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*pr = gcd; |
*pr = gcd; |
} |
} |
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void dp_prim_mod(p,mod,rp) |
void dp_prim_mod(DP p,int mod,DP *rp) |
int mod; |
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DP p,*rp; |
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{ |
{ |
P t,g; |
P t,g; |
MP m,mr,mr0; |
MP m,mr,mr0; |
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} |
} |
} |
} |
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void dp_cont(p,rp) |
void dp_cont(DP p,Q *rp) |
DP p; |
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Q *rp; |
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{ |
{ |
VECT v; |
VECT v; |
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dp_dtov(p,&v); igcdv(v,rp); |
dp_dtov(p,&v); igcdv(v,rp); |
} |
} |
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void dp_dtov(dp,rp) |
void dp_dtov(DP dp,VECT *rp) |
DP dp; |
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VECT *rp; |
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{ |
{ |
MP m,t; |
MP m,t; |
int i,n; |
int i,n; |
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* |
* |
*/ |
*/ |
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void dp_sp(p1,p2,rp) |
void dp_sp(DP p1,DP p2,DP *rp) |
DP p1,p2; |
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DP *rp; |
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{ |
{ |
int i,n,td; |
int i,n,td; |
int *w; |
int *w; |
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n = p1->nv; d1 = BDY(p1)->dl; d2 = BDY(p2)->dl; |
n = p1->nv; d1 = BDY(p1)->dl; d2 = BDY(p2)->dl; |
w = (int *)ALLOCA(n*sizeof(int)); |
w = (int *)ALLOCA(n*sizeof(int)); |
for ( i = 0, td = 0; i < n; i++ ) { |
for ( i = 0, td = 0; i < n; i++ ) { |
w[i] = MAX(d1->d[i],d2->d[i]); td += w[i]; |
w[i] = MAX(d1->d[i],d2->d[i]); td += MUL_WEIGHT(w[i],i); |
} |
} |
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NEWDL(d,n); d->td = td - d1->td; |
NEWDL(d,n); d->td = td - d1->td; |
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} |
} |
} |
} |
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void _dp_sp_dup(p1,p2,rp) |
void _dp_sp_dup(DP p1,DP p2,DP *rp) |
DP p1,p2; |
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DP *rp; |
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{ |
{ |
int i,n,td; |
int i,n,td; |
int *w; |
int *w; |
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n = p1->nv; d1 = BDY(p1)->dl; d2 = BDY(p2)->dl; |
n = p1->nv; d1 = BDY(p1)->dl; d2 = BDY(p2)->dl; |
w = (int *)ALLOCA(n*sizeof(int)); |
w = (int *)ALLOCA(n*sizeof(int)); |
for ( i = 0, td = 0; i < n; i++ ) { |
for ( i = 0, td = 0; i < n; i++ ) { |
w[i] = MAX(d1->d[i],d2->d[i]); td += w[i]; |
w[i] = MAX(d1->d[i],d2->d[i]); td += MUL_WEIGHT(w[i],i); |
} |
} |
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_NEWDL(d,n); d->td = td - d1->td; |
_NEWDL(d,n); d->td = td - d1->td; |
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} |
} |
} |
} |
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void dp_sp_mod(p1,p2,mod,rp) |
void dp_sp_mod(DP p1,DP p2,int mod,DP *rp) |
DP p1,p2; |
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int mod; |
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DP *rp; |
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{ |
{ |
int i,n,td; |
int i,n,td; |
int *w; |
int *w; |
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n = p1->nv; d1 = BDY(p1)->dl; d2 = BDY(p2)->dl; |
n = p1->nv; d1 = BDY(p1)->dl; d2 = BDY(p2)->dl; |
w = (int *)ALLOCA(n*sizeof(int)); |
w = (int *)ALLOCA(n*sizeof(int)); |
for ( i = 0, td = 0; i < n; i++ ) { |
for ( i = 0, td = 0; i < n; i++ ) { |
w[i] = MAX(d1->d[i],d2->d[i]); td += w[i]; |
w[i] = MAX(d1->d[i],d2->d[i]); td += MUL_WEIGHT(w[i],i); |
} |
} |
NEWDL_NOINIT(d,n); d->td = td - d1->td; |
NEWDL_NOINIT(d,n); d->td = td - d1->td; |
for ( i = 0; i < n; i++ ) |
for ( i = 0; i < n; i++ ) |
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submd(CO,mod,t,u,rp); |
submd(CO,mod,t,u,rp); |
} |
} |
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void _dp_sp_mod_dup(p1,p2,mod,rp) |
void _dp_sp_mod_dup(DP p1,DP p2,int mod,DP *rp) |
DP p1,p2; |
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int mod; |
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DP *rp; |
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{ |
{ |
int i,n,td; |
int i,n,td; |
int *w; |
int *w; |
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n = p1->nv; d1 = BDY(p1)->dl; d2 = BDY(p2)->dl; |
n = p1->nv; d1 = BDY(p1)->dl; d2 = BDY(p2)->dl; |
w = (int *)ALLOCA(n*sizeof(int)); |
w = (int *)ALLOCA(n*sizeof(int)); |
for ( i = 0, td = 0; i < n; i++ ) { |
for ( i = 0, td = 0; i < n; i++ ) { |
w[i] = MAX(d1->d[i],d2->d[i]); td += w[i]; |
w[i] = MAX(d1->d[i],d2->d[i]); td += MUL_WEIGHT(w[i],i); |
} |
} |
_NEWDL(d,n); d->td = td - d1->td; |
_NEWDL(d,n); d->td = td - d1->td; |
for ( i = 0; i < n; i++ ) |
for ( i = 0; i < n; i++ ) |
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_addmd_destructive(mod,t,u,rp); |
_addmd_destructive(mod,t,u,rp); |
} |
} |
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void _dp_sp_mod(p1,p2,mod,rp) |
void _dp_sp_mod(DP p1,DP p2,int mod,DP *rp) |
DP p1,p2; |
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int mod; |
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DP *rp; |
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{ |
{ |
int i,n,td; |
int i,n,td; |
int *w; |
int *w; |
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n = p1->nv; d1 = BDY(p1)->dl; d2 = BDY(p2)->dl; |
n = p1->nv; d1 = BDY(p1)->dl; d2 = BDY(p2)->dl; |
w = (int *)ALLOCA(n*sizeof(int)); |
w = (int *)ALLOCA(n*sizeof(int)); |
for ( i = 0, td = 0; i < n; i++ ) { |
for ( i = 0, td = 0; i < n; i++ ) { |
w[i] = MAX(d1->d[i],d2->d[i]); td += w[i]; |
w[i] = MAX(d1->d[i],d2->d[i]); td += MUL_WEIGHT(w[i],i); |
} |
} |
NEWDL(d,n); d->td = td - d1->td; |
NEWDL(d,n); d->td = td - d1->td; |
for ( i = 0; i < n; i++ ) |
for ( i = 0; i < n; i++ ) |
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* |
* |
*/ |
*/ |
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void dp_red(p0,p1,p2,head,rest,dnp,multp) |
void dp_red(DP p0,DP p1,DP p2,DP *head,DP *rest,P *dnp,DP *multp) |
DP p0,p1,p2; |
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DP *head,*rest; |
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P *dnp; |
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DP *multp; |
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{ |
{ |
int i,n; |
int i,n; |
DL d1,d2,d; |
DL d1,d2,d; |
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Q c,c1,c2; |
Q c,c1,c2; |
N gn,tn; |
N gn,tn; |
P g,a; |
P g,a; |
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P p[2]; |
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n = p1->nv; d1 = BDY(p1)->dl; d2 = BDY(p2)->dl; |
n = p1->nv; d1 = BDY(p1)->dl; d2 = BDY(p2)->dl; |
NEWDL(d,n); d->td = d1->td - d2->td; |
NEWDL(d,n); d->td = d1->td - d2->td; |
for ( i = 0; i < n; i++ ) |
for ( i = 0; i < n; i++ ) |
d->d[i] = d1->d[i]-d2->d[i]; |
d->d[i] = d1->d[i]-d2->d[i]; |
c1 = (Q)BDY(p1)->c; c2 = (Q)BDY(p2)->c; |
c1 = (Q)BDY(p1)->c; c2 = (Q)BDY(p2)->c; |
if ( dp_fcoeffs ) { |
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 ) { |
/* do nothing */ |
/* do nothing */ |
} else if ( INT(c1) && INT(c2) ) { |
} else if ( INT(c1) && INT(c2) ) { |
gcdn(NM(c1),NM(c2),&gn); |
gcdn(NM(c1),NM(c2),&gn); |
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/* m-reduction over a field */ |
/* m-reduction over a field */ |
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void dp_red_f(p1,p2,rest) |
void dp_red_f(DP p1,DP p2,DP *rest) |
DP p1,p2; |
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DP *rest; |
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{ |
{ |
int i,n; |
int i,n; |
DL d1,d2,d; |
DL d1,d2,d; |
MP m; |
MP m; |
DP t,s,r,h; |
DP t,s; |
Obj a,b; |
Obj a,b; |
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n = p1->nv; |
n = p1->nv; |
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muld(CO,s,p2,&t); addd(CO,p1,t,rest); |
muld(CO,s,p2,&t); addd(CO,p1,t,rest); |
} |
} |
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void dp_red_mod(p0,p1,p2,mod,head,rest,dnp) |
void dp_red_mod(DP p0,DP p1,DP p2,int mod,DP *head,DP *rest,P *dnp) |
DP p0,p1,p2; |
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int mod; |
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DP *head,*rest; |
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P *dnp; |
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{ |
{ |
int i,n; |
int i,n; |
DL d1,d2,d; |
DL d1,d2,d; |
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struct oEGT eg_red_mod; |
struct oEGT eg_red_mod; |
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void _dp_red_mod_destructive(p1,p2,mod,rp) |
void _dp_red_mod_destructive(DP p1,DP p2,int mod,DP *rp) |
DP p1,p2; |
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int mod; |
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DP *rp; |
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{ |
{ |
int i,n; |
int i,n; |
DL d1,d2,d; |
DL d1,d2,d; |
MP m; |
MP m; |
DP t,s; |
DP t,s; |
int c,c1,c2; |
int c,c1,c2; |
struct oEGT t0,t1; |
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extern int do_weyl; |
extern int do_weyl; |
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n = p1->nv; d1 = BDY(p1)->dl; d2 = BDY(p2)->dl; |
n = p1->nv; d1 = BDY(p1)->dl; d2 = BDY(p2)->dl; |
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_mulmd_dup(mod,s,p2,&t); _free_dp(s); |
_mulmd_dup(mod,s,p2,&t); _free_dp(s); |
#else |
#else |
if ( do_weyl ) { |
if ( do_weyl ) { |
_weyl_mulmdm_dup(mod,p2,m,&t); _FREEMP(m); |
_MKDP(n,m,s); s->sugar = d->td; |
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_mulmd_dup(mod,s,p2,&t); _free_dp(s); |
} else { |
} else { |
_mulmdm_dup(mod,p2,m,&t); _FREEMP(m); |
_mulmdm_dup(mod,p2,m,&t); _FREEMP(m); |
} |
} |
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* |
* |
*/ |
*/ |
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void dp_true_nf(b,g,ps,full,rp,dnp) |
void dp_true_nf(NODE b,DP g,DP *ps,int full,DP *rp,P *dnp) |
NODE b; |
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DP g; |
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DP *ps; |
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int full; |
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DP *rp; |
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P *dnp; |
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{ |
{ |
DP u,p,d,s,t,dmy; |
DP u,p,d,s,t,dmy; |
NODE l; |
NODE l; |
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/* nf computation over Z */ |
/* nf computation over Z */ |
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|
void dp_nf_z(b,g,ps,full,multiple,rp) |
void dp_nf_z(NODE b,DP g,DP *ps,int full,int multiple,DP *rp) |
NODE b; |
|
DP g; |
|
DP *ps; |
|
int full,multiple; |
|
DP *rp; |
|
{ |
{ |
DP u,p,d,s,t,dmy1; |
DP u,p,d,s,t,dmy1; |
P dmy; |
P dmy; |
|
|
|
|
/* nf computation over a field */ |
/* nf computation over a field */ |
|
|
void dp_nf_f(b,g,ps,full,rp) |
void dp_nf_f(NODE b,DP g,DP *ps,int full,DP *rp) |
NODE b; |
|
DP g; |
|
DP *ps; |
|
int full; |
|
DP *rp; |
|
{ |
{ |
DP u,p,d,s,t; |
DP u,p,d,s,t; |
P dmy; |
|
NODE l; |
NODE l; |
MP m,mr; |
MP m,mr; |
int i,n; |
int i,n; |
|
|
|
|
/* nf computation over GF(mod) (only for internal use) */ |
/* nf computation over GF(mod) (only for internal use) */ |
|
|
void dp_nf_mod(b,g,ps,mod,full,rp) |
void dp_nf_mod(NODE b,DP g,DP *ps,int mod,int full,DP *rp) |
NODE b; |
|
DP g; |
|
DP *ps; |
|
int mod,full; |
|
DP *rp; |
|
{ |
{ |
DP u,p,d,s,t; |
DP u,p,d,s,t; |
P dmy; |
P dmy; |
|
|
*rp = d; |
*rp = d; |
} |
} |
|
|
void dp_true_nf_mod(b,g,ps,mod,full,rp,dnp) |
void dp_true_nf_mod(NODE b,DP g,DP *ps,int mod,int full,DP *rp,P *dnp) |
NODE b; |
|
DP g; |
|
DP *ps; |
|
int mod,full; |
|
DP *rp; |
|
P *dnp; |
|
{ |
{ |
DP u,p,d,s,t; |
DP u,p,d,s,t; |
NODE l; |
NODE l; |
|
|
*rp = d; *dnp = dn; |
*rp = d; *dnp = dn; |
} |
} |
|
|
void _dp_nf_mod_destructive(b,g,ps,mod,full,rp) |
void _dp_nf_mod_destructive(NODE b,DP g,DP *ps,int mod,int full,DP *rp) |
NODE b; |
|
DP g; |
|
DP *ps; |
|
int mod,full; |
|
DP *rp; |
|
{ |
{ |
DP u,p,d,s,t; |
DP u,p,d; |
NODE l; |
NODE l; |
MP m,mr,mrd; |
MP m,mrd; |
int sugar,psugar,n,h_reducible,i; |
int sugar,psugar,n,h_reducible; |
|
|
if ( !g ) { |
if ( !g ) { |
*rp = 0; return; |
*rp = 0; return; |
|
|
|
|
/* reduction by linear base over a field */ |
/* reduction by linear base over a field */ |
|
|
void dp_lnf_f(p1,p2,g,r1p,r2p) |
void dp_lnf_f(DP p1,DP p2,NODE g,DP *r1p,DP *r2p) |
DP p1,p2; |
|
NODE g; |
|
DP *r1p,*r2p; |
|
{ |
{ |
DP r1,r2,b1,b2,t,s; |
DP r1,r2,b1,b2,t,s; |
Obj c,c1,c2; |
Obj c,c1,c2; |
|
|
|
|
/* reduction by linear base over GF(mod) */ |
/* reduction by linear base over GF(mod) */ |
|
|
void dp_lnf_mod(p1,p2,g,mod,r1p,r2p) |
void dp_lnf_mod(DP p1,DP p2,NODE g,int mod,DP *r1p,DP *r2p) |
DP p1,p2; |
|
NODE g; |
|
int mod; |
|
DP *r1p,*r2p; |
|
{ |
{ |
DP r1,r2,b1,b2,t,s; |
DP r1,r2,b1,b2,t,s; |
P c; |
P c; |
|
|
*r1p = r1; *r2p = r2; |
*r1p = r1; *r2p = r2; |
} |
} |
|
|
void dp_nf_tab_mod(p,tab,mod,rp) |
void dp_nf_tab_mod(DP p,LIST *tab,int mod,DP *rp) |
DP p; |
|
LIST *tab; |
|
int mod; |
|
DP *rp; |
|
{ |
{ |
DP s,t,u; |
DP s,t,u; |
MP m; |
MP m; |
|
|
*rp = s; |
*rp = s; |
} |
} |
|
|
|
void dp_nf_tab_f(DP p,LIST *tab,DP *rp) |
|
{ |
|
DP s,t,u; |
|
MP m; |
|
DL h; |
|
int i,n; |
|
|
|
if ( !p ) { |
|
*rp = p; return; |
|
} |
|
n = p->nv; |
|
for ( s = 0, i = 0, m = BDY(p); m; m = NEXT(m) ) { |
|
h = m->dl; |
|
while ( !dl_equal(n,h,BDY((DP)BDY(BDY(tab[i])))->dl ) ) |
|
i++; |
|
muldc(CO,(DP)BDY(NEXT(BDY(tab[i]))),m->c,&t); |
|
addd(CO,s,t,&u); s = u; |
|
} |
|
*rp = s; |
|
} |
|
|
/* |
/* |
* setting flags |
* setting flags |
|
* call create_order_spec with vl=0 to set old type order. |
* |
* |
*/ |
*/ |
|
|
int create_order_spec(obj,spec) |
int create_order_spec(VL vl,Obj obj,struct order_spec **specp) |
Obj obj; |
|
struct order_spec *spec; |
|
{ |
{ |
int i,j,n,s,row,col; |
int i,j,n,s,row,col; |
|
struct order_spec *spec; |
struct order_pair *l; |
struct order_pair *l; |
NODE node,t,tn; |
NODE node,t,tn; |
MAT m; |
MAT m; |
pointer **b; |
pointer **b; |
int **w; |
int **w; |
|
|
|
if ( vl && obj && OID(obj) == O_LIST ) |
|
return create_composite_order_spec(vl,(LIST)obj,specp); |
|
|
|
*specp = spec = (struct order_spec *)MALLOC(sizeof(struct order_spec)); |
if ( !obj || NUM(obj) ) { |
if ( !obj || NUM(obj) ) { |
spec->id = 0; spec->obj = obj; |
spec->id = 0; spec->obj = obj; |
spec->ord.simple = QTOS((Q)obj); |
spec->ord.simple = QTOS((Q)obj); |
Line 1366 struct order_spec *spec; |
|
Line 1360 struct order_spec *spec; |
|
return 0; |
return 0; |
} |
} |
|
|
|
void print_composite_order_spec(struct order_spec *spec) |
|
{ |
|
int nv,n,len,i,j,k,start; |
|
struct weight_or_block *worb; |
|
|
|
nv = spec->nv; |
|
n = spec->ord.composite.length; |
|
worb = spec->ord.composite.w_or_b; |
|
for ( i = 0; i < n; i++, worb++ ) { |
|
len = worb->length; |
|
printf("[ "); |
|
switch ( worb->type ) { |
|
case IS_DENSE_WEIGHT: |
|
for ( j = 0; j < len; j++ ) |
|
printf("%d ",worb->body.dense_weight[j]); |
|
for ( ; j < nv; j++ ) |
|
printf("0 "); |
|
break; |
|
case IS_SPARSE_WEIGHT: |
|
for ( j = 0, k = 0; j < nv; j++ ) |
|
if ( j == worb->body.sparse_weight[k].pos ) |
|
printf("%d ",worb->body.sparse_weight[k++].value); |
|
else |
|
printf("0 "); |
|
break; |
|
case IS_BLOCK: |
|
start = worb->body.block.start; |
|
for ( j = 0; j < start; j++ ) printf("0 "); |
|
switch ( worb->body.block.order ) { |
|
case 0: |
|
for ( k = 0; k < len; k++, j++ ) printf("R "); |
|
break; |
|
case 1: |
|
for ( k = 0; k < len; k++, j++ ) printf("G "); |
|
break; |
|
case 2: |
|
for ( k = 0; k < len; k++, j++ ) printf("L "); |
|
break; |
|
} |
|
for ( ; j < nv; j++ ) printf("0 "); |
|
break; |
|
} |
|
printf("]\n"); |
|
} |
|
} |
|
|
|
/* order = [w_or_b, w_or_b, ... ] */ |
|
/* w_or_b = w or b */ |
|
/* w = [1,2,...] or [x,1,y,2,...] */ |
|
/* b = [@lex,x,y,...,z] etc */ |
|
|
|
int create_composite_order_spec(VL vl,LIST order,struct order_spec **specp) |
|
{ |
|
NODE wb,t,p; |
|
struct order_spec *spec; |
|
VL tvl; |
|
int n,i,j,k,l,start,end,len,w; |
|
int *dw; |
|
struct sparse_weight *sw; |
|
struct weight_or_block *w_or_b; |
|
Obj a0; |
|
NODE a; |
|
V v,sv,ev; |
|
SYMBOL sym; |
|
int *top; |
|
|
|
/* l = number of vars in vl */ |
|
for ( l = 0, tvl = vl; tvl; tvl = NEXT(tvl), l++ ); |
|
/* n = number of primitives in order */ |
|
wb = BDY(order); |
|
n = length(wb); |
|
*specp = spec = (struct order_spec *)MALLOC(sizeof(struct order_spec)); |
|
spec->id = 3; |
|
spec->obj = (Obj)order; |
|
spec->nv = l; |
|
spec->ord.composite.length = n; |
|
w_or_b = spec->ord.composite.w_or_b = (struct weight_or_block *) |
|
MALLOC(sizeof(struct weight_or_block)*(n+1)); |
|
|
|
/* top : register the top variable in each w_or_b specification */ |
|
top = (int *)ALLOCA(l*sizeof(int)); |
|
for ( i = 0; i < l; i++ ) top[i] = 0; |
|
|
|
for ( t = wb, i = 0; t; t = NEXT(t), i++ ) { |
|
if ( !BDY(t) || OID((Obj)BDY(t)) != O_LIST ) |
|
error("a list of lists must be specified for the key \"order\""); |
|
a = BDY((LIST)BDY(t)); |
|
len = length(a); |
|
a0 = (Obj)BDY(a); |
|
if ( !a0 || OID(a0) == O_N ) { |
|
/* a is a dense weight vector */ |
|
dw = (int *)MALLOC(sizeof(int)*len); |
|
for ( j = 0, p = a; j < len; p = NEXT(p), j++ ) { |
|
if ( !INT((Q)BDY(p)) ) |
|
error("a dense weight vector must be specified as a list of integers"); |
|
dw[j] = QTOS((Q)BDY(p)); |
|
} |
|
w_or_b[i].type = IS_DENSE_WEIGHT; |
|
w_or_b[i].length = len; |
|
w_or_b[i].body.dense_weight = dw; |
|
|
|
/* find the top */ |
|
for ( k = 0; k < len && !dw[k]; k++ ); |
|
if ( k < len ) top[k] = 1; |
|
|
|
} else if ( OID(a0) == O_P ) { |
|
/* a is a sparse weight vector */ |
|
len >>= 1; |
|
sw = (struct sparse_weight *) |
|
MALLOC(sizeof(struct sparse_weight)*len); |
|
for ( j = 0, p = a; j < len; j++ ) { |
|
if ( !BDY(p) || OID((P)BDY(p)) != O_P ) |
|
error("a sparse weight vector must be specified as [var1,weight1,...]"); |
|
v = VR((P)BDY(p)); p = NEXT(p); |
|
for ( tvl = vl, k = 0; tvl && tvl->v != v; |
|
k++, tvl = NEXT(tvl) ); |
|
if ( !tvl ) |
|
error("invalid variable name in a sparse weight vector"); |
|
sw[j].pos = k; |
|
if ( !INT((Q)BDY(p)) ) |
|
error("a sparse weight vector must be specified as [var1,weight1,...]"); |
|
sw[j].value = QTOS((Q)BDY(p)); p = NEXT(p); |
|
} |
|
w_or_b[i].type = IS_SPARSE_WEIGHT; |
|
w_or_b[i].length = len; |
|
w_or_b[i].body.sparse_weight = sw; |
|
|
|
/* find the top */ |
|
for ( k = 0; k < len && !sw[k].value; k++ ); |
|
if ( k < len ) top[sw[k].pos] = 1; |
|
} else if ( OID(a0) == O_RANGE ) { |
|
/* [range(v1,v2),w] */ |
|
sv = VR((P)(((RANGE)a0)->start)); |
|
ev = VR((P)(((RANGE)a0)->end)); |
|
for ( tvl = vl, start = 0; tvl && tvl->v != sv; start++, tvl = NEXT(tvl) ); |
|
if ( !tvl ) |
|
error("invalid range"); |
|
for ( end = start; tvl && tvl->v != ev; end++, tvl = NEXT(tvl) ); |
|
if ( !tvl ) |
|
error("invalid range"); |
|
len = end-start+1; |
|
sw = (struct sparse_weight *) |
|
MALLOC(sizeof(struct sparse_weight)*len); |
|
w = QTOS((Q)BDY(NEXT(a))); |
|
for ( tvl = vl, k = 0; k < start; k++, tvl = NEXT(tvl) ); |
|
for ( j = 0 ; k <= end; k++, tvl = NEXT(tvl), j++ ) { |
|
sw[j].pos = k; |
|
sw[j].value = w; |
|
} |
|
w_or_b[i].type = IS_SPARSE_WEIGHT; |
|
w_or_b[i].length = len; |
|
w_or_b[i].body.sparse_weight = sw; |
|
|
|
/* register the top */ |
|
if ( w ) top[start] = 1; |
|
} else if ( OID(a0) == O_SYMBOL ) { |
|
/* a is a block */ |
|
sym = (SYMBOL)a0; a = NEXT(a); len--; |
|
if ( OID((Obj)BDY(a)) == O_RANGE ) { |
|
sv = VR((P)(((RANGE)BDY(a))->start)); |
|
ev = VR((P)(((RANGE)BDY(a))->end)); |
|
for ( tvl = vl, start = 0; tvl && tvl->v != sv; start++, tvl = NEXT(tvl) ); |
|
if ( !tvl ) |
|
error("invalid range"); |
|
for ( end = start; tvl && tvl->v != ev; end++, tvl = NEXT(tvl) ); |
|
if ( !tvl ) |
|
error("invalid range"); |
|
len = end-start+1; |
|
} else { |
|
for ( start = 0, tvl = vl; tvl->v != VR((P)BDY(a)); |
|
tvl = NEXT(tvl), start++ ); |
|
for ( p = NEXT(a), tvl = NEXT(tvl); p; |
|
p = NEXT(p), tvl = NEXT(tvl) ) { |
|
if ( !BDY(p) || OID((P)BDY(p)) != O_P ) |
|
error("a block must be specified as [ordsymbol,var1,var2,...]"); |
|
if ( tvl->v != VR((P)BDY(p)) ) break; |
|
} |
|
if ( p ) |
|
error("a block must be contiguous in the variable list"); |
|
} |
|
w_or_b[i].type = IS_BLOCK; |
|
w_or_b[i].length = len; |
|
w_or_b[i].body.block.start = start; |
|
if ( !strcmp(sym->name,"@grlex") ) |
|
w_or_b[i].body.block.order = 0; |
|
else if ( !strcmp(sym->name,"@glex") ) |
|
w_or_b[i].body.block.order = 1; |
|
else if ( !strcmp(sym->name,"@lex") ) |
|
w_or_b[i].body.block.order = 2; |
|
else |
|
error("invalid ordername"); |
|
/* register the tops */ |
|
for ( j = 0, k = start; j < len; j++, k++ ) |
|
top[k] = 1; |
|
} |
|
} |
|
for ( k = 0; k < l && top[k]; k++ ); |
|
if ( k < l ) { |
|
/* incomplete order specification; add @grlex */ |
|
w_or_b[n].type = IS_BLOCK; |
|
w_or_b[n].length = l; |
|
w_or_b[n].body.block.start = 0; |
|
w_or_b[n].body.block.order = 0; |
|
spec->ord.composite.length = n+1; |
|
} |
|
} |
|
|
|
/* module order spec */ |
|
|
|
void create_modorder_spec(int id,LIST shift,struct modorder_spec **s) |
|
{ |
|
struct modorder_spec *spec; |
|
NODE n,t; |
|
LIST list; |
|
int *ds; |
|
int i,l; |
|
Q q; |
|
|
|
*s = spec = (struct modorder_spec *)MALLOC(sizeof(struct modorder_spec)); |
|
spec->id = id; |
|
if ( shift ) { |
|
n = BDY(shift); |
|
spec->len = l = length(n); |
|
spec->degree_shift = ds = (int *)MALLOC_ATOMIC(l*sizeof(int)); |
|
for ( t = n, i = 0; t; t = NEXT(t), i++ ) |
|
ds[i] = QTOS((Q)BDY(t)); |
|
} else { |
|
spec->len = 0; |
|
spec->degree_shift = 0; |
|
} |
|
STOQ(id,q); |
|
n = mknode(2,q,shift); |
|
MKLIST(list,n); |
|
spec->obj = (Obj)list; |
|
} |
|
|
/* |
/* |
* converters |
* converters |
* |
* |
*/ |
*/ |
|
|
void dp_homo(p,rp) |
void dp_homo(DP p,DP *rp) |
DP p; |
|
DP *rp; |
|
{ |
{ |
MP m,mr,mr0; |
MP m,mr,mr0; |
int i,n,nv,td; |
int i,n,nv,td; |
|
|
} |
} |
} |
} |
|
|
void dp_dehomo(p,rp) |
void dp_dehomo(DP p,DP *rp) |
DP p; |
|
DP *rp; |
|
{ |
{ |
MP m,mr,mr0; |
MP m,mr,mr0; |
int i,n,nv; |
int i,n,nv; |
|
|
} |
} |
} |
} |
|
|
void dp_mod(p,mod,subst,rp) |
void dp_mod(DP p,int mod,NODE subst,DP *rp) |
DP p; |
|
int mod; |
|
NODE subst; |
|
DP *rp; |
|
{ |
{ |
MP m,mr,mr0; |
MP m,mr,mr0; |
P t,s,s1; |
P t,s,s1; |
|
|
} |
} |
} |
} |
|
|
void dp_rat(p,rp) |
void dp_rat(DP p,DP *rp) |
DP p; |
|
DP *rp; |
|
{ |
{ |
MP m,mr,mr0; |
MP m,mr,mr0; |
|
|
|
|
} |
} |
|
|
|
|
void homogenize_order(old,n,new) |
void homogenize_order(struct order_spec *old,int n,struct order_spec **newp) |
struct order_spec *old,*new; |
|
int n; |
|
{ |
{ |
struct order_pair *l; |
struct order_pair *l; |
int length,nv,row,i,j; |
int length,nv,row,i,j; |
int **newm,**oldm; |
int **newm,**oldm; |
|
struct order_spec *new; |
|
int onv,nnv,nlen,olen,owlen; |
|
struct weight_or_block *owb,*nwb; |
|
|
|
*newp = new = (struct order_spec *)MALLOC(sizeof(struct order_spec)); |
switch ( old->id ) { |
switch ( old->id ) { |
case 0: |
case 0: |
switch ( old->ord.simple ) { |
switch ( old->ord.simple ) { |
|
|
new->id = 2; new->nv = nv+1; |
new->id = 2; new->nv = nv+1; |
new->ord.matrix.row = row+1; new->ord.matrix.matrix = newm; |
new->ord.matrix.row = row+1; new->ord.matrix.matrix = newm; |
break; |
break; |
|
case 3: |
|
onv = old->nv; |
|
nnv = onv+1; |
|
olen = old->ord.composite.length; |
|
nlen = olen+1; |
|
owb = old->ord.composite.w_or_b; |
|
nwb = (struct weight_or_block *) |
|
MALLOC(nlen*sizeof(struct weight_or_block)); |
|
for ( i = 0; i < olen; i++ ) { |
|
nwb[i].type = owb[i].type; |
|
switch ( owb[i].type ) { |
|
case IS_DENSE_WEIGHT: |
|
owlen = owb[i].length; |
|
nwb[i].length = owlen+1; |
|
nwb[i].body.dense_weight = (int *)MALLOC((owlen+1)*sizeof(int)); |
|
for ( j = 0; j < owlen; j++ ) |
|
nwb[i].body.dense_weight[j] = owb[i].body.dense_weight[j]; |
|
nwb[i].body.dense_weight[owlen] = 0; |
|
break; |
|
case IS_SPARSE_WEIGHT: |
|
nwb[i].length = owb[i].length; |
|
nwb[i].body.sparse_weight = owb[i].body.sparse_weight; |
|
break; |
|
case IS_BLOCK: |
|
nwb[i].length = owb[i].length; |
|
nwb[i].body.block = owb[i].body.block; |
|
break; |
|
} |
|
} |
|
nwb[i].type = IS_SPARSE_WEIGHT; |
|
nwb[i].body.sparse_weight = |
|
(struct sparse_weight *)MALLOC(sizeof(struct sparse_weight)); |
|
nwb[i].body.sparse_weight[0].pos = onv; |
|
nwb[i].body.sparse_weight[0].value = 1; |
|
new->id = 3; |
|
new->nv = nnv; |
|
new->ord.composite.length = nlen; |
|
new->ord.composite.w_or_b = nwb; |
|
print_composite_order_spec(new); |
|
break; |
default: |
default: |
error("homogenize_order : invalid input"); |
error("homogenize_order : invalid input"); |
} |
} |
} |
} |
|
|
void qltozl(w,n,dvr) |
void qltozl(Q *w,int n,Q *dvr) |
Q *w,*dvr; |
|
int n; |
|
{ |
{ |
N nm,dn; |
N nm,dn; |
N g,l1,l2,l3; |
N g,l1,l2,l3; |
|
|
*dvr = d; |
*dvr = d; |
} |
} |
|
|
int comp_nm(a,b) |
int comp_nm(Q *a,Q *b) |
Q *a,*b; |
|
{ |
{ |
return cmpn((*a)?NM(*a):0,(*b)?NM(*b):0); |
return cmpn((*a)?NM(*a):0,(*b)?NM(*b):0); |
} |
} |
|
|
void sortbynm(w,n) |
void sortbynm(Q *w,int n) |
Q *w; |
|
int n; |
|
{ |
{ |
qsort(w,n,sizeof(Q),(int (*)(const void *,const void *))comp_nm); |
qsort(w,n,sizeof(Q),(int (*)(const void *,const void *))comp_nm); |
} |
} |
|
|
* |
* |
*/ |
*/ |
|
|
int dp_redble(p1,p2) |
int dp_redble(DP p1,DP p2) |
DP p1,p2; |
|
{ |
{ |
int i,n; |
int i,n; |
DL d1,d2; |
DL d1,d2; |
|
|
} |
} |
} |
} |
|
|
void dp_subd(p1,p2,rp) |
void dp_subd(DP p1,DP p2,DP *rp) |
DP p1,p2; |
|
DP *rp; |
|
{ |
{ |
int i,n; |
int i,n; |
DL d1,d2,d; |
DL d1,d2,d; |
|
|
*rp = s; |
*rp = s; |
} |
} |
|
|
void dltod(d,n,rp) |
void dltod(DL d,int n,DP *rp) |
DL d; |
|
int n; |
|
DP *rp; |
|
{ |
{ |
MP m; |
MP m; |
DP s; |
DP s; |
|
|
*rp = s; |
*rp = s; |
} |
} |
|
|
void dp_hm(p,rp) |
void dp_hm(DP p,DP *rp) |
DP p; |
|
DP *rp; |
|
{ |
{ |
MP m,mr; |
MP m,mr; |
|
|
|
|
} |
} |
} |
} |
|
|
void dp_rest(p,rp) |
void dp_ht(DP p,DP *rp) |
DP p,*rp; |
|
{ |
{ |
|
MP m,mr; |
|
|
|
if ( !p ) |
|
*rp = 0; |
|
else { |
|
m = BDY(p); |
|
NEWMP(mr); mr->dl = m->dl; mr->c = (P)ONE; NEXT(mr) = 0; |
|
MKDP(p->nv,mr,*rp); (*rp)->sugar = mr->dl->td; /* XXX */ |
|
} |
|
} |
|
|
|
void dp_rest(DP p,DP *rp) |
|
{ |
MP m; |
MP m; |
|
|
m = BDY(p); |
m = BDY(p); |
|
|
} |
} |
} |
} |
|
|
DL lcm_of_DL(nv,dl1,dl2,dl) |
DL lcm_of_DL(int nv,DL dl1,DL dl2,DL dl) |
int nv; |
|
DL dl1,dl2; |
|
register DL dl; |
|
{ |
{ |
register int n, *d1, *d2, *d, td; |
register int i, *d1, *d2, *d, td; |
|
|
if ( !dl ) NEWDL(dl,nv); |
if ( !dl ) NEWDL(dl,nv); |
d = dl->d, d1 = dl1->d, d2 = dl2->d; |
d = dl->d, d1 = dl1->d, d2 = dl2->d; |
for ( td = 0, n = nv; --n >= 0; d1++, d2++, d++ ) |
for ( td = 0, i = 0; i < nv; d1++, d2++, d++, i++ ) { |
td += (*d = *d1 > *d2 ? *d1 : *d2 ); |
*d = *d1 > *d2 ? *d1 : *d2; |
|
td += MUL_WEIGHT(*d,i); |
|
} |
dl->td = td; |
dl->td = td; |
return dl; |
return dl; |
} |
} |
|
|
int dl_equal(nv,dl1,dl2) |
int dl_equal(int nv,DL dl1,DL dl2) |
int nv; |
|
DL dl1, dl2; |
|
{ |
{ |
register int *d1, *d2, n; |
register int *d1, *d2, n; |
|
|
|
|
return 1; |
return 1; |
} |
} |
|
|
int dp_nt(p) |
int dp_nt(DP p) |
DP p; |
|
{ |
{ |
int i; |
int i; |
MP m; |
MP m; |
|
|
} |
} |
} |
} |
|
|
int dp_homogeneous(p) |
int dp_homogeneous(DP p) |
DP p; |
|
{ |
{ |
MP m; |
MP m; |
int d; |
int d; |
|
|
} |
} |
} |
} |
|
|
_print_mp(nv,m) |
void _print_mp(int nv,MP m) |
int nv; |
|
MP m; |
|
{ |
{ |
int i; |
int i; |
|
|
|
|
fprintf(stderr,">",C(m)); |
fprintf(stderr,">",C(m)); |
} |
} |
fprintf(stderr,"\n"); |
fprintf(stderr,"\n"); |
|
} |
|
|
|
static int cmp_mp_nvar; |
|
|
|
int comp_mp(MP *a,MP *b) |
|
{ |
|
return -(*cmpdl)(cmp_mp_nvar,(*a)->dl,(*b)->dl); |
|
} |
|
|
|
void dp_sort(DP p,DP *rp) |
|
{ |
|
MP t,mp,mp0; |
|
int i,n; |
|
DP r; |
|
MP *w; |
|
|
|
if ( !p ) { |
|
*rp = 0; |
|
return; |
|
} |
|
for ( t = BDY(p), n = 0; t; t = NEXT(t), n++ ); |
|
w = (MP *)ALLOCA(n*sizeof(MP)); |
|
for ( t = BDY(p), i = 0; i < n; t = NEXT(t), i++ ) |
|
w[i] = t; |
|
cmp_mp_nvar = NV(p); |
|
qsort(w,n,sizeof(MP),(int (*)(const void *,const void *))comp_mp); |
|
mp0 = 0; |
|
for ( i = n-1; i >= 0; i-- ) { |
|
NEWMP(mp); mp->dl = w[i]->dl; C(mp) = C(w[i]); |
|
NEXT(mp) = mp0; mp0 = mp; |
|
} |
|
MKDP(p->nv,mp0,r); |
|
r->sugar = p->sugar; |
|
*rp = r; |
|
} |
|
|
|
DP extract_initial_term_from_dp(DP p,int *weight,int n); |
|
LIST extract_initial_term(LIST f,int *weight,int n); |
|
|
|
DP extract_initial_term_from_dp(DP p,int *weight,int n) |
|
{ |
|
int w,t,i,top; |
|
MP m,r0,r; |
|
DP dp; |
|
|
|
if ( !p ) return 0; |
|
top = 1; |
|
for ( m = BDY(p); m; m = NEXT(m) ) { |
|
for ( i = 0, t = 0; i < n; i++ ) |
|
t += weight[i]*m->dl->d[i]; |
|
if ( top || t > w ) { |
|
r0 = 0; |
|
w = t; |
|
top = 0; |
|
} |
|
if ( t == w ) { |
|
NEXTMP(r0,r); |
|
r->dl = m->dl; |
|
r->c = m->c; |
|
} |
|
} |
|
NEXT(r) = 0; |
|
MKDP(p->nv,r0,dp); |
|
return dp; |
|
} |
|
|
|
LIST extract_initial_term(LIST f,int *weight,int n) |
|
{ |
|
NODE nd,r0,r; |
|
Obj p; |
|
LIST l; |
|
|
|
nd = BDY(f); |
|
for ( r0 = 0; nd; nd = NEXT(nd) ) { |
|
NEXTNODE(r0,r); |
|
p = (Obj)BDY(nd); |
|
BDY(r) = (pointer)extract_initial_term_from_dp((DP)p,weight,n); |
|
} |
|
if ( r0 ) NEXT(r) = 0; |
|
MKLIST(l,r0); |
|
return l; |
|
} |
|
|
|
LIST dp_initial_term(LIST f,struct order_spec *ord) |
|
{ |
|
int n,l,i; |
|
struct weight_or_block *worb; |
|
int *weight; |
|
|
|
switch ( ord->id ) { |
|
case 2: /* matrix order */ |
|
/* extract the first row */ |
|
n = ord->nv; |
|
weight = ord->ord.matrix.matrix[0]; |
|
return extract_initial_term(f,weight,n); |
|
case 3: /* composite order */ |
|
/* the first w_or_b */ |
|
worb = ord->ord.composite.w_or_b; |
|
switch ( worb->type ) { |
|
case IS_DENSE_WEIGHT: |
|
n = worb->length; |
|
weight = worb->body.dense_weight; |
|
return extract_initial_term(f,weight,n); |
|
case IS_SPARSE_WEIGHT: |
|
n = ord->nv; |
|
weight = (int *)ALLOCA(n*sizeof(int)); |
|
for ( i = 0; i < n; i++ ) weight[i] = 0; |
|
l = worb->length; |
|
for ( i = 0; i < l; i++ ) |
|
weight[worb->body.sparse_weight[i].pos] |
|
= worb->body.sparse_weight[i].value; |
|
return extract_initial_term(f,weight,n); |
|
default: |
|
error("dp_initial_term : unsupported order"); |
|
} |
|
default: |
|
error("dp_initial_term : unsupported order"); |
|
} |
|
} |
|
|
|
int highest_order_dp(DP p,int *weight,int n); |
|
LIST highest_order(LIST f,int *weight,int n); |
|
|
|
int highest_order_dp(DP p,int *weight,int n) |
|
{ |
|
int w,t,i,top; |
|
MP m; |
|
|
|
if ( !p ) return -1; |
|
top = 1; |
|
for ( m = BDY(p); m; m = NEXT(m) ) { |
|
for ( i = 0, t = 0; i < n; i++ ) |
|
t += weight[i]*m->dl->d[i]; |
|
if ( top || t > w ) { |
|
w = t; |
|
top = 0; |
|
} |
|
} |
|
return w; |
|
} |
|
|
|
LIST highest_order(LIST f,int *weight,int n) |
|
{ |
|
int h; |
|
NODE nd,r0,r; |
|
Obj p; |
|
LIST l; |
|
Q q; |
|
|
|
nd = BDY(f); |
|
for ( r0 = 0; nd; nd = NEXT(nd) ) { |
|
NEXTNODE(r0,r); |
|
p = (Obj)BDY(nd); |
|
h = highest_order_dp((DP)p,weight,n); |
|
STOQ(h,q); |
|
BDY(r) = (pointer)q; |
|
} |
|
if ( r0 ) NEXT(r) = 0; |
|
MKLIST(l,r0); |
|
return l; |
|
} |
|
|
|
LIST dp_order(LIST f,struct order_spec *ord) |
|
{ |
|
int n,l,i; |
|
struct weight_or_block *worb; |
|
int *weight; |
|
|
|
switch ( ord->id ) { |
|
case 2: /* matrix order */ |
|
/* extract the first row */ |
|
n = ord->nv; |
|
weight = ord->ord.matrix.matrix[0]; |
|
return highest_order(f,weight,n); |
|
case 3: /* composite order */ |
|
/* the first w_or_b */ |
|
worb = ord->ord.composite.w_or_b; |
|
switch ( worb->type ) { |
|
case IS_DENSE_WEIGHT: |
|
n = worb->length; |
|
weight = worb->body.dense_weight; |
|
return highest_order(f,weight,n); |
|
case IS_SPARSE_WEIGHT: |
|
n = ord->nv; |
|
weight = (int *)ALLOCA(n*sizeof(int)); |
|
for ( i = 0; i < n; i++ ) weight[i] = 0; |
|
l = worb->length; |
|
for ( i = 0; i < l; i++ ) |
|
weight[worb->body.sparse_weight[i].pos] |
|
= worb->body.sparse_weight[i].value; |
|
return highest_order(f,weight,n); |
|
default: |
|
error("dp_initial_term : unsupported order"); |
|
} |
|
default: |
|
error("dp_initial_term : unsupported order"); |
|
} |
|
} |
|
|
|
int dpv_ht(DPV p,DP *h) |
|
{ |
|
int len,max,maxi,i,t; |
|
DP *e; |
|
MP m,mr; |
|
|
|
len = p->len; |
|
e = p->body; |
|
max = -1; |
|
maxi = -1; |
|
for ( i = 0; i < len; i++ ) |
|
if ( e[i] && (t = BDY(e[i])->dl->td) > max ) { |
|
max = t; |
|
maxi = i; |
|
} |
|
if ( max < 0 ) { |
|
*h = 0; |
|
return -1; |
|
} else { |
|
m = BDY(e[maxi]); |
|
NEWMP(mr); mr->dl = m->dl; mr->c = (P)ONE; NEXT(mr) = 0; |
|
MKDP(e[maxi]->nv,mr,*h); (*h)->sugar = mr->dl->td; /* XXX */ |
|
return maxi; |
|
} |
} |
} |