| version 1.9, 2001/06/28 08:57:20 |
version 1.16, 2018/03/29 01:32:50 |
|
|
| * 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/gf.c,v 1.8 2001/06/25 10:01:27 noro Exp $ |
* $OpenXM: OpenXM_contrib2/asir2000/builtin/gf.c,v 1.15 2002/03/15 02:52:09 noro Exp $ |
| */ |
*/ |
| #include "ca.h" |
#include "ca.h" |
| #include "parse.h" |
#include "parse.h" |
| |
|
| struct resf_dlist { |
struct resf_dlist { |
| int ib,id; |
int ib,id; |
| }; |
}; |
| |
|
| int resf_degtest(int,int *,int,struct resf_dlist *); |
int resf_degtest(int,int *,int,struct resf_dlist *); |
| void uhensel(P,NODE,int,int,NODE *); |
void uhensel(P,NODE,int,int,NODE *); |
| |
void uhensel_incremental(P,NODE,int,int,int,NODE *); |
| void resf_hensel(int,P,int,P *,ML *); |
void resf_hensel(int,P,int,P *,ML *); |
| void resf_dtest(P,ML,int,int *,int *,DCP *); |
void resf_dtest(P,ML,int,int *,int *,DCP *); |
| void resf_dtest_special(P,ML,int,int *,int *,DCP *); |
void resf_dtest_special(P,ML,int,int *,int *,DCP *); |
| Line 67 void nullspace_lm(LM **,int,int *); |
|
| Line 68 void nullspace_lm(LM **,int,int *); |
|
| void nullspace_gf2n(GF2N **,int,int *); |
void nullspace_gf2n(GF2N **,int,int *); |
| void nullspace_gfpn(GFPN **,int,int *); |
void nullspace_gfpn(GFPN **,int,int *); |
| void nullspace_gfs(GFS **,int,int *); |
void nullspace_gfs(GFS **,int,int *); |
| |
void nullspace_gfsn(GFSN **,int,int *); |
| void null_to_sol(int **,int *,int,int,UM *); |
void null_to_sol(int **,int *,int,int,UM *); |
| |
|
| void showgfmat(UM **,int); |
void showgfmat(UM **,int); |
| Line 74 void pwr_mod(P,P,V,P,int,N,P *); |
|
| Line 76 void pwr_mod(P,P,V,P,int,N,P *); |
|
| void rem_mod(P,P,V,P,int,P *); |
void rem_mod(P,P,V,P,int,P *); |
| |
|
| void Pnullspace(),Pgcda_mod(),Pftest(),Presfmain(),Ppwr_mod(),Puhensel(); |
void Pnullspace(),Pgcda_mod(),Pftest(),Presfmain(),Ppwr_mod(),Puhensel(); |
| |
void Puhensel_incremental(); |
| void Psfuhensel(); |
void Psfuhensel(); |
| |
|
| void Pnullspace_ff(); |
void Pnullspace_ff(); |
| Line 89 void sfuhensel(P,NODE,GFS,int,NODE *); |
|
| Line 92 void sfuhensel(P,NODE,GFS,int,NODE *); |
|
| extern int current_ff; |
extern int current_ff; |
| |
|
| struct ftab gf_tab[] = { |
struct ftab gf_tab[] = { |
| {"solve_linear_equation_gf2n",Psolve_linear_equation_gf2n,1}, |
{"solve_linear_equation_gf2n",Psolve_linear_equation_gf2n,1}, |
| {"nullspace",Pnullspace,3}, |
{"nullspace",Pnullspace,3}, |
| {"nullspace_ff",Pnullspace_ff,1}, |
{"nullspace_ff",Pnullspace_ff,1}, |
| /* {"gcda_mod",Pgcda_mod,5}, */ |
/* {"gcda_mod",Pgcda_mod,5}, */ |
| {"ftest",Pftest,2}, |
{"ftest",Pftest,2}, |
| {"resfmain",Presfmain,4}, |
{"resfmain",Presfmain,4}, |
| {"pwr_mod",Ppwr_mod,6}, |
{"pwr_mod",Ppwr_mod,6}, |
| {"uhensel",Puhensel,4}, |
{"uhensel",Puhensel,4}, |
| {"sfuhensel",Psfuhensel,4}, |
{"uhensel_incremental",Puhensel_incremental,5}, |
| {0,0,0}, |
{"sfuhensel",Psfuhensel,4}, |
| |
{0,0,0}, |
| }; |
}; |
| |
|
| int resf_degtest(k,in,nb,dlist) |
int resf_degtest(k,in,nb,dlist) |
|
|
| int nb; |
int nb; |
| struct resf_dlist *dlist; |
struct resf_dlist *dlist; |
| { |
{ |
| int i,d0,d; |
int i,d0,d; |
| int dl_i; |
int dl_i; |
| struct resf_dlist *t; |
struct resf_dlist *t; |
| |
|
| if ( k < nb ) |
if ( k < nb ) |
| return 0; |
return 0; |
| if ( nb == 1 ) |
if ( nb == 1 ) |
| return 1; |
return 1; |
| d0 = 0; d = 0; dl_i = 0; |
d0 = 0; d = 0; dl_i = 0; |
| for ( i = 0; i < k; i++ ) { |
for ( i = 0; i < k; i++ ) { |
| t = &dlist[in[i]]; |
t = &dlist[in[i]]; |
| if ( t->ib > dl_i + 1 ) |
if ( t->ib > dl_i + 1 ) |
| return 0; |
return 0; |
| else if ( t->ib == dl_i ) |
else if ( t->ib == dl_i ) |
| d += t->id; |
d += t->id; |
| else if ( !d || (dl_i && d0 != d) ) |
else if ( !d || (dl_i && d0 != d) ) |
| return 0; |
return 0; |
| else { |
else { |
| d0 = d; dl_i++; d = t->id; |
d0 = d; dl_i++; d = t->id; |
| } |
} |
| } |
} |
| if ( dl_i != nb - 1 || d0 != d ) |
if ( dl_i != nb - 1 || d0 != d ) |
| return 0; |
return 0; |
| else |
else |
| return 1; |
return 1; |
| } |
} |
| |
|
| void Puhensel(arg,rp) |
void Puhensel(arg,rp) |
| NODE arg; |
NODE arg; |
| LIST *rp; |
LIST *rp; |
| { |
{ |
| P f; |
P f; |
| NODE mfl,r; |
NODE mfl,r; |
| int mod,bound; |
int mod,bound; |
| |
|
| f = (P)ARG0(arg); |
f = (P)ARG0(arg); |
| mfl = BDY((LIST)ARG1(arg)); |
mfl = BDY((LIST)ARG1(arg)); |
| mod = QTOS((Q)ARG2(arg)); |
mod = QTOS((Q)ARG2(arg)); |
| bound = QTOS((Q)ARG3(arg)); |
bound = QTOS((Q)ARG3(arg)); |
| uhensel(f,mfl,mod,bound,&r); |
uhensel(f,mfl,mod,bound,&r); |
| MKLIST(*rp,r); |
MKLIST(*rp,r); |
| } |
} |
| |
|
| |
void Puhensel_incremental(arg,rp) |
| |
NODE arg; |
| |
LIST *rp; |
| |
{ |
| |
P f; |
| |
NODE mfl,r; |
| |
int mod,bound,start; |
| |
|
| |
f = (P)ARG0(arg); |
| |
mfl = BDY((LIST)ARG1(arg)); |
| |
mod = QTOS((Q)ARG2(arg)); |
| |
start = QTOS((Q)ARG3(arg)); |
| |
bound = QTOS((Q)ARG4(arg)); |
| |
uhensel_incremental(f,mfl,mod,start,bound,&r); |
| |
MKLIST(*rp,r); |
| |
} |
| |
|
| void uhensel(f,mfl,mod,bound,rp) |
void uhensel(f,mfl,mod,bound,rp) |
| P f; |
P f; |
| NODE mfl; |
NODE mfl; |
| int mod,bound; |
int mod,bound; |
| NODE *rp; |
NODE *rp; |
| { |
{ |
| ML blist,clist,rlist; |
ML blist,clist,rlist; |
| LUM fl; |
LUM fl; |
| int nf,i; |
int nf,i; |
| P s; |
P s; |
| V v; |
V v; |
| NODE t,top; |
NODE t,top; |
| |
|
| nf = length(mfl); |
nf = length(mfl); |
| blist = MLALLOC(nf); blist->n = nf; blist->mod = mod; |
blist = MLALLOC(nf); blist->n = nf; blist->mod = mod; |
| for ( i = 0, t = mfl; i < nf; i++, t = NEXT(t) ) { |
for ( i = 0, t = mfl; i < nf; i++, t = NEXT(t) ) { |
| blist->c[i] = (pointer)UMALLOC(UDEG((P)BDY(t))); |
blist->c[i] = (pointer)UMALLOC(UDEG((P)BDY(t))); |
| ptoum(mod,(P)BDY(t),blist->c[i]); |
ptoum(mod,(P)BDY(t),blist->c[i]); |
| } |
} |
| gcdgen(f,blist,&clist); |
gcdgen(f,blist,&clist); |
| blist->bound = clist->bound = bound; |
blist->bound = clist->bound = bound; |
| W_LUMALLOC((int)UDEG(f),bound,fl); |
W_LUMALLOC((int)UDEG(f),bound,fl); |
| ptolum(mod,bound,f,fl); |
ptolum(mod,bound,f,fl); |
| henmain(fl,blist,clist,&rlist); |
henmain(fl,blist,clist,&rlist); |
| v = VR(f); |
v = VR(f); |
| for ( i = nf-1, top = 0; i >= 0; i-- ) { |
for ( i = nf-1, top = 0; i >= 0; i-- ) { |
| lumtop(v,mod,bound,rlist->c[i],&s); |
lumtop(v,mod,bound,rlist->c[i],&s); |
| MKNODE(t,s,top); top = t; |
MKNODE(t,s,top); top = t; |
| } |
} |
| *rp = top; |
*rp = top; |
| } |
} |
| |
|
| |
void uhensel_incremental(f,mfl,mod,start,bound,rp) |
| |
P f; |
| |
NODE mfl; |
| |
int mod,start,bound; |
| |
NODE *rp; |
| |
{ |
| |
ML blist,clist,rlist; |
| |
LUM fl; |
| |
LUM *lblist; |
| |
int nf,i,j,k; |
| |
int **p; |
| |
P s; |
| |
V v; |
| |
NODE t,top; |
| |
|
| |
nf = length(mfl); |
| |
blist = MLALLOC(nf); blist->n = nf; blist->mod = mod; |
| |
lblist = (LUM *)MALLOC(nf*sizeof(LUM)); |
| |
for ( i = 0, t = mfl; i < nf; i++, t = NEXT(t) ) { |
| |
blist->c[i] = (pointer)UMALLOC(UDEG((P)BDY(t))); |
| |
ptoum(mod,(P)BDY(t),blist->c[i]); |
| |
W_LUMALLOC((int)UDEG((P)BDY(t)),bound,lblist[i]); |
| |
ptolum(mod,start,(P)BDY(t),lblist[i]); |
| |
p = lblist[i]->c; |
| |
for ( j = DEG(lblist[i]); j >= 0; j-- ) |
| |
for ( k = start; k < bound; k++ ) |
| |
p[j][k] = 0; |
| |
} |
| |
gcdgen(f,blist,&clist); |
| |
clist->bound = bound; |
| |
W_LUMALLOC((int)UDEG(f),bound,fl); |
| |
ptolum(mod,bound,f,fl); |
| |
henmain_incremental(fl,lblist,clist,nf,mod,start,bound); |
| |
v = VR(f); |
| |
for ( i = nf-1, top = 0; i >= 0; i-- ) { |
| |
lumtop_unsigned(v,mod,bound,lblist[i],&s); |
| |
MKNODE(t,s,top); top = t; |
| |
} |
| |
*rp = top; |
| |
} |
| |
|
| void Psfuhensel(arg,rp) |
void Psfuhensel(arg,rp) |
| NODE arg; |
NODE arg; |
| LIST *rp; |
LIST *rp; |
| { |
{ |
| P f; |
P f; |
| int bound; |
int bound; |
| NODE r,mfl; |
NODE r,mfl; |
| GFS ev; |
GFS ev; |
| |
|
| f = (P)ARG0(arg); |
f = (P)ARG0(arg); |
| mfl = BDY((LIST)ARG1(arg)); |
mfl = BDY((LIST)ARG1(arg)); |
| ev = (GFS)ARG2(arg); |
ev = (GFS)ARG2(arg); |
| bound = QTOS((Q)ARG3(arg)); |
bound = QTOS((Q)ARG3(arg)); |
| sfuhensel(f,mfl,ev,bound,&r); |
sfuhensel(f,mfl,ev,bound,&r); |
| MKLIST(*rp,r); |
MKLIST(*rp,r); |
| } |
} |
| |
|
| void sfuhensel(f,mfl,ev,bound,rp) |
void sfuhensel(f,mfl,ev,bound,rp) |
|
|
| int bound; |
int bound; |
| NODE *rp; |
NODE *rp; |
| { |
{ |
| BM fl; |
BM fl; |
| BM *r; |
BM *r; |
| VL vl,nvl; |
VL vl,nvl; |
| int i,fn,dx,dy; |
int i,fn,dx,dy,d; |
| NODE t,top; |
NODE t,top; |
| UM fm,hm,q; |
UM fm,hm,q; |
| UM *gm; |
UM *gm; |
| V x,y; |
V x,y; |
| P g,s,u; |
P g,s,u; |
| |
|
| clctv(CO,f,&vl); |
clctv(CO,f,&vl); |
| if ( !vl || !vl->next || vl->next->next ) |
if ( !vl || !vl->next || vl->next->next ) |
| error("sfuhensel : f must be a bivariate poly"); |
error("sfuhensel : f must be a bivariate poly"); |
| |
|
| for ( i = 0, t = mfl; t; i++, t = NEXT(t) ); |
for ( i = 0, t = mfl; t; i++, t = NEXT(t) ); |
| fn = i; |
fn = i; |
| |
|
| gm = (UM *)MALLOC(fn*sizeof(UM)); |
gm = (UM *)MALLOC(fn*sizeof(UM)); |
| |
|
| /* XXX : more severe check is necessary */ |
/* XXX : more severe check is necessary */ |
| x = VR((P)BDY(mfl)); |
x = VR((P)BDY(mfl)); |
| y = vl->v == x ? vl->next->v : vl->v; |
y = vl->v == x ? vl->next->v : vl->v; |
| |
|
| for ( i = 0, t = mfl; i < fn; i++, t = NEXT(t) ) { |
for ( i = 0, t = mfl, d = 0; i < fn; i++, t = NEXT(t) ) { |
| gm[i] = (pointer)UMALLOC(getdeg(x,(P)BDY(t))); |
gm[i] = (pointer)UMALLOC(getdeg(x,(P)BDY(t))); |
| ptosfum((P)BDY(t),gm[i]); |
ptosfum((P)BDY(t),gm[i]); |
| } |
d += DEG(gm[i]); |
| |
} |
| |
|
| /* reorder f if necessary */ |
/* reorder f if necessary */ |
| if ( vl->v != x ) { |
if ( vl->v != x ) { |
| reordvar(vl,x,&nvl); reorderp(nvl,vl,f,&g); |
reordvar(vl,x,&nvl); reorderp(nvl,vl,f,&g); |
| vl = nvl; f = g; |
vl = nvl; f = g; |
| } |
} |
| dx = getdeg(x,f); |
dx = getdeg(x,f); |
| dy = getdeg(y,f); |
if ( dx != d ) |
| if ( bound < dy+1 ) bound = dy+1; |
error("sfuhensel : product of factors has incompatible degree"); |
| fl = BMALLOC(dx,bound); |
|
| ptosfbm(bound,f,fl); |
|
| shiftsfbm(bound,fl,FTOIF(CONT(ev))); |
|
| |
|
| /* fm = fl mod y */ |
dy = getdeg(y,f); |
| fm = W_UMALLOC(dx); |
dy = MAX(dy,bound); |
| cpyum(COEF(fl)[0],fm); |
fl = BMALLOC(dx,dy); |
| hm = W_UMALLOC(dx); |
ptosfbm(dy,f,fl); |
| |
if ( ev ) shiftsfbm(fl,FTOIF(CONT(ev))); |
| |
|
| q = W_UMALLOC(dx); |
/* fm = fl mod y */ |
| r = (BM *)MLALLOC(fn*sizeof(BM)); |
fm = W_UMALLOC(dx); |
| for ( i = 0; i < fn-1; i++ ) { |
cpyum(COEF(fl)[0],fm); |
| /* fl = gm[i]*hm mod y */ |
hm = W_UMALLOC(dx); |
| divsfum(fm,gm[i],hm); |
|
| /* fl is replaced by the cofactor of gk mod y^bound */ |
|
| /* r[i] = gk */ |
|
| sfhenmain2(fl,gm[i],hm,bound,r+i); |
|
| cpyum(hm,fm); |
|
| } |
|
| /* finally, fl must be the lift of gm[fn-1] */ |
|
| r[i] = fl; |
|
| |
|
| for ( i = fn-1, top = 0; i >= 0; i-- ) { |
q = W_UMALLOC(dx); |
| sfbmtop(bound,r[i],x,y,&s); |
r = (BM *)MLALLOC(fn*sizeof(BM)); |
| reorderp(CO,vl,s,&u); |
for ( i = 0; i < fn-1; i++ ) { |
| MKNODE(t,u,top); top = t; |
/* fl = gm[i]*hm mod y */ |
| } |
divsfum(fm,gm[i],hm); |
| *rp = top; |
/* fl is replaced by the cofactor of gk mod y^bound */ |
| |
/* r[i] = gk */ |
| |
sfhenmain2(fl,gm[i],hm,bound,r+i); |
| |
cpyum(hm,fm); |
| |
} |
| |
/* finally, fl must be the lift of gm[fn-1] */ |
| |
r[i] = fl; |
| |
|
| |
for ( i = fn-1, top = 0; i >= 0; i-- ) { |
| |
sfbmtop(r[i],x,y,&s); |
| |
reorderp(CO,vl,s,&u); |
| |
MKNODE(t,u,top); top = t; |
| |
} |
| |
*rp = top; |
| } |
} |
| |
|
| void Presfmain(arg,rp) |
void Presfmain(arg,rp) |
| NODE arg; |
NODE arg; |
| LIST *rp; |
LIST *rp; |
| { |
{ |
| P f; |
P f; |
| int mod,n,nb,i,j,k; |
int mod,n,nb,i,j,k; |
| int *nf,*md; |
int *nf,*md; |
| P *mf; |
P *mf; |
| NODE mfl,mdl,t,s,u; |
NODE mfl,mdl,t,s,u; |
| ML list; |
ML list; |
| DCP dc; |
DCP dc; |
| int sflag; |
int sflag; |
| |
|
| f = (P)ARG0(arg); |
f = (P)ARG0(arg); |
| mod = QTOS((Q)ARG1(arg)); |
mod = QTOS((Q)ARG1(arg)); |
| mfl = BDY((LIST)ARG2(arg)); |
mfl = BDY((LIST)ARG2(arg)); |
| mdl = BDY((LIST)ARG3(arg)); |
mdl = BDY((LIST)ARG3(arg)); |
| for ( n = nb = 0, t = mfl; t; nb++, t = NEXT(t) ) |
for ( n = nb = 0, t = mfl; t; nb++, t = NEXT(t) ) |
| for ( s = BDY((LIST)BDY(t)); s; n++, s = NEXT(s) ); |
for ( s = BDY((LIST)BDY(t)); s; n++, s = NEXT(s) ); |
| if ( n == nb ) { |
if ( n == nb ) { |
| /* f must be irreducible! */ |
/* f must be irreducible! */ |
| NEWDC(dc); |
NEWDC(dc); |
| dc->c = f; dc->d = ONE; |
dc->c = f; dc->d = ONE; |
| } else { |
} else { |
| nf = W_ALLOC(nb); md = W_ALLOC(nb); mf = (P *)ALLOCA(n*sizeof(P)); |
nf = W_ALLOC(nb); md = W_ALLOC(nb); mf = (P *)ALLOCA(n*sizeof(P)); |
| for ( k = i = 0, t = mfl, u = mdl, sflag = 1; t; |
for ( k = i = 0, t = mfl, u = mdl, sflag = 1; t; |
| i++, t = NEXT(t), u = NEXT(u) ) { |
i++, t = NEXT(t), u = NEXT(u) ) { |
| if ( sflag && length(BDY((LIST)BDY(t))) != 2 ) |
if ( sflag && length(BDY((LIST)BDY(t))) != 2 ) |
| sflag = 0; |
sflag = 0; |
| for ( j = 0, s = BDY((LIST)BDY(t)); s; j++, s = NEXT(s) ) |
for ( j = 0, s = BDY((LIST)BDY(t)); s; j++, s = NEXT(s) ) |
| mf[k++] = (P)BDY(s); |
mf[k++] = (P)BDY(s); |
| nf[i] = j; md[i] = QTOS((Q)BDY(u)); |
nf[i] = j; md[i] = QTOS((Q)BDY(u)); |
| } |
} |
| resf_hensel(mod,f,n,mf,&list); |
resf_hensel(mod,f,n,mf,&list); |
| if ( sflag ) |
if ( sflag ) |
| resf_dtest_special(f,list,nb,nf,md,&dc); |
resf_dtest_special(f,list,nb,nf,md,&dc); |
| else |
else |
| resf_dtest(f,list,nb,nf,md,&dc); |
resf_dtest(f,list,nb,nf,md,&dc); |
| } |
} |
| dcptolist(dc,rp); |
dcptolist(dc,rp); |
| } |
} |
| |
|
| void resf_hensel(mod,f,nf,mfl,listp) |
void resf_hensel(mod,f,nf,mfl,listp) |
|
|
| P *mfl; |
P *mfl; |
| ML *listp; |
ML *listp; |
| { |
{ |
| register int i,j; |
register int i,j; |
| int q,n,bound,inv,lc; |
int q,n,bound,inv,lc; |
| int *p; |
int *p; |
| int **pp; |
int **pp; |
| ML blist,clist,bqlist,cqlist,rlist; |
ML blist,clist,bqlist,cqlist,rlist; |
| UM *b; |
UM *b; |
| LUM fl,tl; |
LUM fl,tl; |
| LUM *l; |
LUM *l; |
| UM w; |
UM w; |
| |
|
| w = W_UMALLOC(UDEG(f)); |
w = W_UMALLOC(UDEG(f)); |
| blist = MLALLOC(nf); blist->n = nf; blist->mod = mod; |
blist = MLALLOC(nf); blist->n = nf; blist->mod = mod; |
| |
|
| /* c[0] must have lc(f) */ |
/* c[0] must have lc(f) */ |
| blist->c[0] = (pointer)UMALLOC(UDEG(mfl[0])); |
blist->c[0] = (pointer)UMALLOC(UDEG(mfl[0])); |
| ptoum(mod,mfl[0],w); |
ptoum(mod,mfl[0],w); |
| inv = invm(w->c[UDEG(mfl[0])],mod); |
inv = invm(w->c[UDEG(mfl[0])],mod); |
| lc = rem(NM((Q)LC(f)),mod); |
lc = rem(NM((Q)LC(f)),mod); |
| if ( SGN((Q)LC(f)) < 0 ) |
if ( SGN((Q)LC(f)) < 0 ) |
| lc = (mod-lc)%mod; |
lc = (mod-lc)%mod; |
| lc = dmar(inv,lc,0,mod); |
lc = dmar(inv,lc,0,mod); |
| if ( lc == 1 ) |
if ( lc == 1 ) |
| copyum(w,blist->c[0]); |
copyum(w,blist->c[0]); |
| else |
else |
| mulsum(mod,w,lc,blist->c[0]); |
mulsum(mod,w,lc,blist->c[0]); |
| |
|
| /* c[i] (i=1,...,nf-1) must be monic */ |
/* c[i] (i=1,...,nf-1) must be monic */ |
| for ( i = 1; i < nf; i++ ) { |
for ( i = 1; i < nf; i++ ) { |
| blist->c[i] = (pointer)UMALLOC(UDEG(mfl[i])); |
blist->c[i] = (pointer)UMALLOC(UDEG(mfl[i])); |
| ptoum(mod,mfl[i],w); |
ptoum(mod,mfl[i],w); |
| inv = invm(w->c[UDEG(mfl[i])],mod); |
inv = invm(w->c[UDEG(mfl[i])],mod); |
| if ( inv == 1 ) |
if ( inv == 1 ) |
| copyum(w,blist->c[i]); |
copyum(w,blist->c[i]); |
| else |
else |
| mulsum(mod,w,inv,blist->c[i]); |
mulsum(mod,w,inv,blist->c[i]); |
| } |
} |
| |
|
| gcdgen(f,blist,&clist); henprep(f,blist,clist,&bqlist,&cqlist); |
gcdgen(f,blist,&clist); henprep(f,blist,clist,&bqlist,&cqlist); |
| n = bqlist->n; q = bqlist->mod; |
n = bqlist->n; q = bqlist->mod; |
| bqlist->bound = cqlist->bound = bound = mignotte(q,f); |
bqlist->bound = cqlist->bound = bound = mignotte(q,f); |
| if ( bound == 1 ) { |
if ( bound == 1 ) { |
| *listp = rlist = MLALLOC(n); |
*listp = rlist = MLALLOC(n); |
| rlist->n = n; rlist->mod = q; rlist->bound = bound; |
rlist->n = n; rlist->mod = q; rlist->bound = bound; |
| for ( i = 0, b = (UM *)bqlist->c, l = (LUM *)rlist->c; i < n; i++ ) { |
for ( i = 0, b = (UM *)bqlist->c, l = (LUM *)rlist->c; i < n; i++ ) { |
| tl = LUMALLOC(DEG(b[i]),1); l[i] = tl; p = COEF(b[i]); |
tl = LUMALLOC(DEG(b[i]),1); l[i] = tl; p = COEF(b[i]); |
| for ( j = 0, pp = COEF(tl); j <= DEG(tl); j++ ) |
for ( j = 0, pp = COEF(tl); j <= DEG(tl); j++ ) |
| pp[j][0] = p[j]; |
pp[j][0] = p[j]; |
| } |
} |
| } else { |
} else { |
| W_LUMALLOC((int)UDEG(f),bound,fl); |
W_LUMALLOC((int)UDEG(f),bound,fl); |
| ptolum(q,bound,f,fl); henmain(fl,bqlist,cqlist,listp); |
ptolum(q,bound,f,fl); henmain(fl,bqlist,cqlist,listp); |
| } |
} |
| } |
} |
| |
|
| void resf_dtest(f,list,nb,nfl,mdl,dcp) |
void resf_dtest(f,list,nb,nfl,mdl,dcp) |
|
|
| int *nfl,*mdl; |
int *nfl,*mdl; |
| DCP *dcp; |
DCP *dcp; |
| { |
{ |
| int n,np,bound,q; |
int n,np,bound,q; |
| int i,j,k; |
int i,j,k; |
| int *win; |
int *win; |
| P g,factor,cofactor; |
P g,factor,cofactor; |
| Q csum,csumt; |
Q csum,csumt; |
| DCP dcf,dcf0; |
DCP dcf,dcf0; |
| LUM *c; |
LUM *c; |
| ML wlist; |
ML wlist; |
| struct resf_dlist *dlist; |
struct resf_dlist *dlist; |
| int z; |
int z; |
| |
|
| n = UDEG(f); np = list->n; bound = list->bound; q = list->mod; |
n = UDEG(f); np = list->n; bound = list->bound; q = list->mod; |
| win = W_ALLOC(np+1); |
win = W_ALLOC(np+1); |
| ucsump(f,&csum); mulq(csum,(Q)COEF(DC(f)),&csumt); csum = csumt; |
ucsump(f,&csum); mulq(csum,(Q)COEF(DC(f)),&csumt); csum = csumt; |
| wlist = W_MLALLOC(np); wlist->n = list->n; |
wlist = W_MLALLOC(np); wlist->n = list->n; |
| wlist->mod = list->mod; wlist->bound = list->bound; |
wlist->mod = list->mod; wlist->bound = list->bound; |
| c = (LUM *)COEF(wlist); |
c = (LUM *)COEF(wlist); |
| bcopy((char *)COEF(list),(char *)c,(int)(sizeof(LUM)*np)); |
bcopy((char *)COEF(list),(char *)c,(int)(sizeof(LUM)*np)); |
| dlist = (struct resf_dlist *)ALLOCA(np*sizeof(struct resf_dlist)); |
dlist = (struct resf_dlist *)ALLOCA(np*sizeof(struct resf_dlist)); |
| for ( i = 0, j = 0; j < nb; j++ ) |
for ( i = 0, j = 0; j < nb; j++ ) |
| for ( k = 0; k < nfl[j]; k++, i++ ) { |
for ( k = 0; k < nfl[j]; k++, i++ ) { |
| dlist[i].ib = j; dlist[i].id = DEG(c[i])/mdl[j]; |
dlist[i].ib = j; dlist[i].id = DEG(c[i])/mdl[j]; |
| } |
} |
| k = nb; |
k = nb; |
| for ( i = 0; i < nb; i++ ) |
for ( i = 0; i < nb; i++ ) |
| win[i] = i+1; |
win[i] = i+1; |
| for ( g = f, dcf = dcf0 = 0, --np, z = 0; ; ) { |
for ( g = f, dcf = dcf0 = 0, --np, z = 0; ; ) { |
| #if 0 |
#if 0 |
| if ( !(z++ % 10000) ) |
if ( !(z++ % 10000) ) |
| fputc('.',stderr); |
fputc('.',stderr); |
| #endif |
#endif |
| if ( resf_degtest(k,win,nb,dlist) && |
if ( resf_degtest(k,win,nb,dlist) && |
| dtestmain(g,csum,wlist,k,win,&factor,&cofactor) ) { |
dtestmain(g,csum,wlist,k,win,&factor,&cofactor) ) { |
| NEXTDC(dcf0,dcf); DEG(dcf) = ONE; COEF(dcf) = factor; |
NEXTDC(dcf0,dcf); DEG(dcf) = ONE; COEF(dcf) = factor; |
| g = cofactor; |
g = cofactor; |
| ucsump(g,&csum); mulq(csum,(Q)COEF(DC(g)),&csumt); csum = csumt; |
ucsump(g,&csum); mulq(csum,(Q)COEF(DC(g)),&csumt); csum = csumt; |
| for ( i = 0; i < k - 1; i++ ) |
for ( i = 0; i < k - 1; i++ ) |
| for ( j = win[i] + 1; j < win[i + 1]; j++ ) { |
for ( j = win[i] + 1; j < win[i + 1]; j++ ) { |
| c[j-i-1] = c[j]; |
c[j-i-1] = c[j]; |
| dlist[j-i-1] = dlist[j]; |
dlist[j-i-1] = dlist[j]; |
| } |
} |
| for ( j = win[k-1] + 1; j <= np; j++ ) { |
for ( j = win[k-1] + 1; j <= np; j++ ) { |
| c[j-k] = c[j]; |
c[j-k] = c[j]; |
| dlist[j-k] = dlist[j]; |
dlist[j-k] = dlist[j]; |
| } |
} |
| if ( ( np -= k ) < k ) |
if ( ( np -= k ) < k ) |
| break; |
break; |
| if ( np - win[0] + 1 < k ) |
if ( np - win[0] + 1 < k ) |
| if ( ++k > np ) |
if ( ++k > np ) |
| break; |
break; |
| else |
else |
| for ( i = 0; i < k; i++ ) |
for ( i = 0; i < k; i++ ) |
| win[i] = i + 1; |
win[i] = i + 1; |
| else |
else |
| for ( i = 1; i < k; i++ ) |
for ( i = 1; i < k; i++ ) |
| win[i] = win[0] + i; |
win[i] = win[0] + i; |
| } else if ( !ncombi(1,np,k,win) ) |
} else if ( !ncombi(1,np,k,win) ) |
| if ( k == np ) |
if ( k == np ) |
| break; |
break; |
| else |
else |
| for ( i = 0, ++k; i < k; i++ ) |
for ( i = 0, ++k; i < k; i++ ) |
| win[i] = i + 1; |
win[i] = i + 1; |
| } |
} |
| NEXTDC(dcf0,dcf); COEF(dcf) = g; |
NEXTDC(dcf0,dcf); COEF(dcf) = g; |
| DEG(dcf) = ONE; NEXT(dcf) = 0;*dcp = dcf0; |
DEG(dcf) = ONE; NEXT(dcf) = 0;*dcp = dcf0; |
| } |
} |
| |
|
| void resf_dtest_special(f,list,nb,nfl,mdl,dcp) |
void resf_dtest_special(f,list,nb,nfl,mdl,dcp) |
|
|
| int *nfl,*mdl; |
int *nfl,*mdl; |
| DCP *dcp; |
DCP *dcp; |
| { |
{ |
| int n,np,bound,q; |
int n,np,bound,q; |
| int i,j; |
int i,j; |
| int *win; |
int *win; |
| P g,factor,cofactor; |
P g,factor,cofactor; |
| Q csum,csumt; |
Q csum,csumt; |
| DCP dcf,dcf0; |
DCP dcf,dcf0; |
| LUM *c; |
LUM *c; |
| ML wlist; |
ML wlist; |
| int max; |
int max; |
| |
|
| n = UDEG(f); np = list->n; bound = list->bound; q = list->mod; |
n = UDEG(f); np = list->n; bound = list->bound; q = list->mod; |
| win = W_ALLOC(np+1); |
win = W_ALLOC(np+1); |
| ucsump(f,&csum); mulq(csum,(Q)COEF(DC(f)),&csumt); csum = csumt; |
ucsump(f,&csum); mulq(csum,(Q)COEF(DC(f)),&csumt); csum = csumt; |
| wlist = W_MLALLOC(np); wlist->n = list->n; |
wlist = W_MLALLOC(np); wlist->n = list->n; |
| wlist->mod = list->mod; wlist->bound = list->bound; |
wlist->mod = list->mod; wlist->bound = list->bound; |
| c = (LUM *)COEF(wlist); bcopy((char *)COEF(list),(char *)c,(int)(sizeof(LUM)*np)); |
c = (LUM *)COEF(wlist); bcopy((char *)COEF(list),(char *)c,(int)(sizeof(LUM)*np)); |
| max = 1<<nb; |
max = 1<<nb; |
| for ( g = f, dcf = dcf0 = 0, i = 0; i < max; i++ ) { |
for ( g = f, dcf = dcf0 = 0, i = 0; i < max; i++ ) { |
| #if 0 |
#if 0 |
| if ( !(i % 1000) ) |
if ( !(i % 1000) ) |
| fprintf(stderr,"i=%d\n",i); |
fprintf(stderr,"i=%d\n",i); |
| #endif |
#endif |
| for ( j = 0; j < nb; j++ ) |
for ( j = 0; j < nb; j++ ) |
| win[j] = (i&(1<<j)) ? 2*j+1 : 2*j; |
win[j] = (i&(1<<j)) ? 2*j+1 : 2*j; |
| if ( dtestmain(g,csum,wlist,nb,win,&factor,&cofactor) ) { |
if ( dtestmain(g,csum,wlist,nb,win,&factor,&cofactor) ) { |
| #if 0 |
#if 0 |
| fprintf(stderr,"success : i=%d\n",i); |
fprintf(stderr,"success : i=%d\n",i); |
| #endif |
#endif |
| NEXTDC(dcf0,dcf); DEG(dcf) = ONE; COEF(dcf) = factor; |
NEXTDC(dcf0,dcf); DEG(dcf) = ONE; COEF(dcf) = factor; |
| NEXTDC(dcf0,dcf); DEG(dcf) = ONE; COEF(dcf) = cofactor; |
NEXTDC(dcf0,dcf); DEG(dcf) = ONE; COEF(dcf) = cofactor; |
| NEXT(dcf) = 0;*dcp = dcf0; |
NEXT(dcf) = 0;*dcp = dcf0; |
| return; |
return; |
| } |
} |
| } |
} |
| NEXTDC(dcf0,dcf); COEF(dcf) = g; |
NEXTDC(dcf0,dcf); COEF(dcf) = g; |
| DEG(dcf) = ONE; NEXT(dcf) = 0;*dcp = dcf0; |
DEG(dcf) = ONE; NEXT(dcf) = 0;*dcp = dcf0; |
| } |
} |
| |
|
| #if 0 |
#if 0 |
| Line 499 void Pftest(arg,rp) |
|
| Line 565 void Pftest(arg,rp) |
|
| NODE arg; |
NODE arg; |
| P *rp; |
P *rp; |
| { |
{ |
| ML list; |
ML list; |
| DCP dc; |
DCP dc; |
| P p; |
P p; |
| P *mfl; |
P *mfl; |
| |
|
| p = (P)ARG0(arg); mfl = (P *)(((VECT)ARG1(arg))->body); |
p = (P)ARG0(arg); mfl = (P *)(((VECT)ARG1(arg))->body); |
| hensel_special(4,1,p,mfl,&list); |
hensel_special(4,1,p,mfl,&list); |
| dtest_special(p,list,rp); |
dtest_special(p,list,rp); |
| } |
} |
| |
|
| void dtest_special(f,list,pr) |
void dtest_special(f,list,pr) |
|
|
| ML list; |
ML list; |
| P *pr; |
P *pr; |
| { |
{ |
| int n,np,bound,q; |
int n,np,bound,q; |
| int i,j,k; |
int i,j,k; |
| int *win; |
int *win; |
| P g,factor,cofactor; |
P g,factor,cofactor; |
| Q csum,csumt; |
Q csum,csumt; |
| DCP dc,dcf,dcf0; |
DCP dc,dcf,dcf0; |
| LUM *c; |
LUM *c; |
| ML wlist; |
ML wlist; |
| |
|
| n = UDEG(f); np = list->n; bound = list->bound; q = list->mod; |
n = UDEG(f); np = list->n; bound = list->bound; q = list->mod; |
| win = W_ALLOC(np+1); |
win = W_ALLOC(np+1); |
| ucsump(f,&csum); mulq(csum,(Q)COEF(DC(f)),&csumt); csum = csumt; |
ucsump(f,&csum); mulq(csum,(Q)COEF(DC(f)),&csumt); csum = csumt; |
| wlist = W_MLALLOC(np); wlist->n = list->n; |
wlist = W_MLALLOC(np); wlist->n = list->n; |
| wlist->mod = list->mod; wlist->bound = list->bound; |
wlist->mod = list->mod; wlist->bound = list->bound; |
| c = (LUM *)COEF(wlist); bcopy((char *)COEF(list),(char *)c,(int)(sizeof(LUM)*np)); |
c = (LUM *)COEF(wlist); bcopy((char *)COEF(list),(char *)c,(int)(sizeof(LUM)*np)); |
| for ( g = f, i = 130000; i < (1<<20); i++ ) { |
for ( g = f, i = 130000; i < (1<<20); i++ ) { |
| #if 0 |
#if 0 |
| if ( !(i % 1000) ) |
if ( !(i % 1000) ) |
| fprintf(stderr,"i=%d\n",i); |
fprintf(stderr,"i=%d\n",i); |
| #endif |
#endif |
| for ( j = 0; j < 20; j++ ) |
for ( j = 0; j < 20; j++ ) |
| win[j] = (i&(1<<j)) ? 2*j+1 : 2*j; |
win[j] = (i&(1<<j)) ? 2*j+1 : 2*j; |
| if ( dtestmain(g,csum,wlist,20,win,&factor,&cofactor) ) { |
if ( dtestmain(g,csum,wlist,20,win,&factor,&cofactor) ) { |
| #if 0 |
#if 0 |
| fprintf(stderr,"success : i=%d\n",i); |
fprintf(stderr,"success : i=%d\n",i); |
| #endif |
#endif |
| *pr = factor; return; |
*pr = factor; return; |
| } |
} |
| } |
} |
| } |
} |
| |
|
| void hensel_special(index,count,f,mfl,listp) |
void hensel_special(index,count,f,mfl,listp) |
|
|
| P *mfl; |
P *mfl; |
| ML *listp; |
ML *listp; |
| { |
{ |
| register int i,j; |
register int i,j; |
| int q,n,t,d,r,u,br,tmp,bound; |
int q,n,t,d,r,u,br,tmp,bound; |
| int *c,*p,*m,*w; |
int *c,*p,*m,*w; |
| int **pp; |
int **pp; |
| DCP dc; |
DCP dc; |
| ML blist,clist,bqlist,cqlist,rlist; |
ML blist,clist,bqlist,cqlist,rlist; |
| UM *b; |
UM *b; |
| LUM fl,tl; |
LUM fl,tl; |
| LUM *l; |
LUM *l; |
| |
|
| blist = MLALLOC(40); blist->n = 40; blist->mod = 11; |
blist = MLALLOC(40); blist->n = 40; blist->mod = 11; |
| for ( i = 0; i < 40; i++ ) { |
for ( i = 0; i < 40; i++ ) { |
| blist->c[i] = (pointer)UMALLOC(6); |
blist->c[i] = (pointer)UMALLOC(6); |
| ptoum(11,mfl[i],blist->c[i]); |
ptoum(11,mfl[i],blist->c[i]); |
| } |
} |
| gcdgen(f,blist,&clist); henprep(f,blist,clist,&bqlist,&cqlist); |
gcdgen(f,blist,&clist); henprep(f,blist,clist,&bqlist,&cqlist); |
| n = bqlist->n; q = bqlist->mod; |
n = bqlist->n; q = bqlist->mod; |
| bqlist->bound = cqlist->bound = bound = mignotte(q,f); |
bqlist->bound = cqlist->bound = bound = mignotte(q,f); |
| if ( bound == 1 ) { |
if ( bound == 1 ) { |
| *listp = rlist = MLALLOC(n); |
*listp = rlist = MLALLOC(n); |
| rlist->n = n; rlist->mod = q; rlist->bound = bound; |
rlist->n = n; rlist->mod = q; rlist->bound = bound; |
| for ( i = 0, b = (UM *)bqlist->c, l = (LUM *)rlist->c; i < n; i++ ) { |
for ( i = 0, b = (UM *)bqlist->c, l = (LUM *)rlist->c; i < n; i++ ) { |
| tl = LUMALLOC(DEG(b[i]),1); l[i] = tl; p = COEF(b[i]); |
tl = LUMALLOC(DEG(b[i]),1); l[i] = tl; p = COEF(b[i]); |
| for ( j = 0, pp = COEF(tl); j <= DEG(tl); j++ ) |
for ( j = 0, pp = COEF(tl); j <= DEG(tl); j++ ) |
| pp[j][0] = p[j]; |
pp[j][0] = p[j]; |
| } |
} |
| } else { |
} else { |
| W_LUMALLOC(UDEG(f),bound,fl); |
W_LUMALLOC(UDEG(f),bound,fl); |
| ptolum(q,bound,f,fl); henmain(fl,bqlist,cqlist,listp); |
ptolum(q,bound,f,fl); henmain(fl,bqlist,cqlist,listp); |
| } |
} |
| } |
} |
| #endif |
#endif |
| |
|
| Line 589 void Pftest(arg,rp) |
|
| Line 655 void Pftest(arg,rp) |
|
| NODE arg; |
NODE arg; |
| P *rp; |
P *rp; |
| { |
{ |
| ML list; |
ML list; |
| DCP dc; |
DCP dc; |
| P p; |
P p; |
| P *mfl; |
P *mfl; |
| |
|
| p = (P)ARG0(arg); mfl = (P *)(((VECT)ARG1(arg))->body); |
p = (P)ARG0(arg); mfl = (P *)(((VECT)ARG1(arg))->body); |
| hensel_special(2,1,p,mfl,&list); |
hensel_special(2,1,p,mfl,&list); |
| dtest_special(p,list,rp); |
dtest_special(p,list,rp); |
| } |
} |
| |
|
| void dtest_special(f,list,pr) |
void dtest_special(f,list,pr) |
|
|
| ML list; |
ML list; |
| P *pr; |
P *pr; |
| { |
{ |
| int n,np,bound,q; |
int n,np,bound,q; |
| int i,j,k,t,b0; |
int i,j,k,t,b0; |
| int *win; |
int *win; |
| P g,factor,cofactor; |
P g,factor,cofactor; |
| Q csum,csumt; |
Q csum,csumt; |
| DCP dc,dcf,dcf0; |
DCP dc,dcf,dcf0; |
| LUM *c; |
LUM *c; |
| ML wlist; |
ML wlist; |
| static int nbits[16] = {0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4}; |
static int nbits[16] = {0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4}; |
| |
|
| n = UDEG(f); np = list->n; bound = list->bound; q = list->mod; |
n = UDEG(f); np = list->n; bound = list->bound; q = list->mod; |
| win = W_ALLOC(np+1); |
win = W_ALLOC(np+1); |
| ucsump(f,&csum); mulq(csum,(Q)COEF(DC(f)),&csumt); csum = csumt; |
ucsump(f,&csum); mulq(csum,(Q)COEF(DC(f)),&csumt); csum = csumt; |
| wlist = W_MLALLOC(np); wlist->n = list->n; |
wlist = W_MLALLOC(np); wlist->n = list->n; |
| wlist->mod = list->mod; wlist->bound = list->bound; |
wlist->mod = list->mod; wlist->bound = list->bound; |
| c = (LUM *)COEF(wlist); bcopy((char *)COEF(list),(char *)c,(int)(sizeof(LUM)*np)); |
c = (LUM *)COEF(wlist); bcopy((char *)COEF(list),(char *)c,(int)(sizeof(LUM)*np)); |
| for ( g = f, i = 0; i < (1<<23); i++ ) { |
for ( g = f, i = 0; i < (1<<23); i++ ) { |
| #if 0 |
#if 0 |
| if ( !(i % 1000) ) |
if ( !(i % 1000) ) |
| fprintf(stderr,"i=%d\n",i); |
fprintf(stderr,"i=%d\n",i); |
| #endif |
#endif |
| t = i>>20; b0 = nbits[t]; |
t = i>>20; b0 = nbits[t]; |
| if ( !b0 ) |
if ( !b0 ) |
| continue; |
continue; |
| for ( j = 1; j < 6; j++ ) { |
for ( j = 1; j < 6; j++ ) { |
| t = (i>>(20-4*j))&0xf; |
t = (i>>(20-4*j))&0xf; |
| if ( nbits[t] != b0 ) |
if ( nbits[t] != b0 ) |
| break; |
break; |
| } |
} |
| if ( j != 6 ) |
if ( j != 6 ) |
| continue; |
continue; |
| for ( j = k = 0; j < 24; j++ ) |
for ( j = k = 0; j < 24; j++ ) |
| if ( i & (1<<(23-j)) ) |
if ( i & (1<<(23-j)) ) |
| win[k++] = j; |
win[k++] = j; |
| if ( dtestmain(g,csum,wlist,k,win,&factor,&cofactor) ) { |
if ( dtestmain(g,csum,wlist,k,win,&factor,&cofactor) ) { |
| #if 0 |
#if 0 |
| fprintf(stderr,"success : i=%d\n",i); |
fprintf(stderr,"success : i=%d\n",i); |
| #endif |
#endif |
| *pr = factor; return; |
*pr = factor; return; |
| } |
} |
| } |
} |
| *pr = f; |
*pr = f; |
| } |
} |
| |
|
| void hensel_special(index,count,f,mfl,listp) |
void hensel_special(index,count,f,mfl,listp) |
|
|
| P *mfl; |
P *mfl; |
| ML *listp; |
ML *listp; |
| { |
{ |
| register int i,j; |
register int i,j; |
| int q,n,t,d,r,u,br,tmp,bound; |
int q,n,t,d,r,u,br,tmp,bound; |
| int *c,*p,*m,*w; |
int *c,*p,*m,*w; |
| int **pp; |
int **pp; |
| DCP dc; |
DCP dc; |
| ML blist,clist,bqlist,cqlist,rlist; |
ML blist,clist,bqlist,cqlist,rlist; |
| UM *b; |
UM *b; |
| LUM fl,tl; |
LUM fl,tl; |
| LUM *l; |
LUM *l; |
| |
|
| blist = MLALLOC(24); blist->n = 24; blist->mod = 5; |
blist = MLALLOC(24); blist->n = 24; blist->mod = 5; |
| for ( i = 0; i < 24; i++ ) { |
for ( i = 0; i < 24; i++ ) { |
| blist->c[i] = (pointer)UMALLOC(7); |
blist->c[i] = (pointer)UMALLOC(7); |
| ptoum(5,mfl[i],blist->c[i]); |
ptoum(5,mfl[i],blist->c[i]); |
| } |
} |
| gcdgen(f,blist,&clist); henprep(f,blist,clist,&bqlist,&cqlist); |
gcdgen(f,blist,&clist); henprep(f,blist,clist,&bqlist,&cqlist); |
| n = bqlist->n; q = bqlist->mod; |
n = bqlist->n; q = bqlist->mod; |
| bqlist->bound = cqlist->bound = bound = mignotte(q,f); |
bqlist->bound = cqlist->bound = bound = mignotte(q,f); |
| if ( bound == 1 ) { |
if ( bound == 1 ) { |
| *listp = rlist = MLALLOC(n); |
*listp = rlist = MLALLOC(n); |
| rlist->n = n; rlist->mod = q; rlist->bound = bound; |
rlist->n = n; rlist->mod = q; rlist->bound = bound; |
| for ( i = 0, b = (UM *)bqlist->c, l = (LUM *)rlist->c; i < n; i++ ) { |
for ( i = 0, b = (UM *)bqlist->c, l = (LUM *)rlist->c; i < n; i++ ) { |
| tl = LUMALLOC(DEG(b[i]),1); l[i] = tl; p = COEF(b[i]); |
tl = LUMALLOC(DEG(b[i]),1); l[i] = tl; p = COEF(b[i]); |
| for ( j = 0, pp = COEF(tl); j <= DEG(tl); j++ ) |
for ( j = 0, pp = COEF(tl); j <= DEG(tl); j++ ) |
| pp[j][0] = p[j]; |
pp[j][0] = p[j]; |
| } |
} |
| } else { |
} else { |
| W_LUMALLOC(UDEG(f),bound,fl); |
W_LUMALLOC(UDEG(f),bound,fl); |
| ptolum(q,bound,f,fl); henmain(fl,bqlist,cqlist,listp); |
ptolum(q,bound,f,fl); henmain(fl,bqlist,cqlist,listp); |
| } |
} |
| } |
} |
| #endif |
#endif |
| |
|
| Line 691 void Pftest(arg,rp) |
|
| Line 757 void Pftest(arg,rp) |
|
| NODE arg; |
NODE arg; |
| P *rp; |
P *rp; |
| { |
{ |
| ML list; |
ML list; |
| P p; |
P p; |
| P *mfl; |
P *mfl; |
| |
|
| p = (P)ARG0(arg); mfl = (P *)(((VECT)ARG1(arg))->body); |
p = (P)ARG0(arg); mfl = (P *)(((VECT)ARG1(arg))->body); |
| hensel_special(5,1,p,mfl,&list); |
hensel_special(5,1,p,mfl,&list); |
| dtest_special(p,list,rp); |
dtest_special(p,list,rp); |
| } |
} |
| |
|
| int nbits(a) |
int nbits(a) |
| int a; |
int a; |
| { |
{ |
| int i,s; |
int i,s; |
| |
|
| for ( i = 0, s = 0; a && (i < 20); i++, a >>= 1 ) |
for ( i = 0, s = 0; a && (i < 20); i++, a >>= 1 ) |
| if ( a & 1 ) s++; |
if ( a & 1 ) s++; |
| return s; |
return s; |
| } |
} |
| |
|
| void dtest_special(f,list,pr) |
void dtest_special(f,list,pr) |
|
|
| ML list; |
ML list; |
| P *pr; |
P *pr; |
| { |
{ |
| int n,np,bound,q; |
int n,np,bound,q; |
| int i,j,k,b0; |
int i,j,k,b0; |
| int *win; |
int *win; |
| P g,factor,cofactor; |
P g,factor,cofactor; |
| Q csum,csumt; |
Q csum,csumt; |
| LUM *c; |
LUM *c; |
| ML wlist; |
ML wlist; |
| |
|
| n = UDEG(f); np = list->n; bound = list->bound; q = list->mod; |
n = UDEG(f); np = list->n; bound = list->bound; q = list->mod; |
| win = W_ALLOC(np+1); |
win = W_ALLOC(np+1); |
| ucsump(f,&csum); mulq(csum,(Q)COEF(DC(f)),&csumt); csum = csumt; |
ucsump(f,&csum); mulq(csum,(Q)COEF(DC(f)),&csumt); csum = csumt; |
| wlist = W_MLALLOC(np); wlist->n = list->n; |
wlist = W_MLALLOC(np); wlist->n = list->n; |
| wlist->mod = list->mod; wlist->bound = list->bound; |
wlist->mod = list->mod; wlist->bound = list->bound; |
| c = (LUM *)COEF(wlist); bcopy((char *)COEF(list),(char *)c,(int)(sizeof(LUM)*np)); |
c = (LUM *)COEF(wlist); bcopy((char *)COEF(list),(char *)c,(int)(sizeof(LUM)*np)); |
| for ( g = f, i = 0; i < (1<<19); i++ ) { |
for ( g = f, i = 0; i < (1<<19); i++ ) { |
| #if 0 |
#if 0 |
| if ( !(i % 10000) ) |
if ( !(i % 10000) ) |
| fprintf(stderr,"i=%d\n",i); |
fprintf(stderr,"i=%d\n",i); |
| #endif |
#endif |
| b0 = nbits(i>>10); |
b0 = nbits(i>>10); |
| if ( !b0 || (nbits(i&0x3ff) != b0) ) |
if ( !b0 || (nbits(i&0x3ff) != b0) ) |
| continue; |
continue; |
| for ( j = k = 0; j < 20; j++ ) |
for ( j = k = 0; j < 20; j++ ) |
| if ( i & (1<<(19-j)) ) |
if ( i & (1<<(19-j)) ) |
| win[k++] = j; |
win[k++] = j; |
| if ( dtestmain(g,csum,wlist,k,win,&factor,&cofactor) ) { |
if ( dtestmain(g,csum,wlist,k,win,&factor,&cofactor) ) { |
| #if 0 |
#if 0 |
| fprintf(stderr,"success : i=%d\n",i); |
fprintf(stderr,"success : i=%d\n",i); |
| #endif |
#endif |
| *pr = factor; return; |
*pr = factor; return; |
| } |
} |
| } |
} |
| *pr = f; |
*pr = f; |
| } |
} |
| |
|
| void hensel_special(index,count,f,mfl,listp) |
void hensel_special(index,count,f,mfl,listp) |
|
|
| P *mfl; |
P *mfl; |
| ML *listp; |
ML *listp; |
| { |
{ |
| register int i,j; |
register int i,j; |
| int q,n,bound; |
int q,n,bound; |
| int *p; |
int *p; |
| int **pp; |
int **pp; |
| ML blist,clist,bqlist,cqlist,rlist; |
ML blist,clist,bqlist,cqlist,rlist; |
| UM *b; |
UM *b; |
| LUM fl,tl; |
LUM fl,tl; |
| LUM *l; |
LUM *l; |
| |
|
| blist = MLALLOC(20); blist->n = 20; blist->mod = 11; |
blist = MLALLOC(20); blist->n = 20; blist->mod = 11; |
| for ( i = 0; i < 20; i++ ) { |
for ( i = 0; i < 20; i++ ) { |
| blist->c[i] = (pointer)UMALLOC(10); |
blist->c[i] = (pointer)UMALLOC(10); |
| ptoum(11,mfl[i],blist->c[i]); |
ptoum(11,mfl[i],blist->c[i]); |
| } |
} |
| gcdgen(f,blist,&clist); henprep(f,blist,clist,&bqlist,&cqlist); |
gcdgen(f,blist,&clist); henprep(f,blist,clist,&bqlist,&cqlist); |
| n = bqlist->n; q = bqlist->mod; |
n = bqlist->n; q = bqlist->mod; |
| bqlist->bound = cqlist->bound = bound = mignotte(q,f); |
bqlist->bound = cqlist->bound = bound = mignotte(q,f); |
| if ( bound == 1 ) { |
if ( bound == 1 ) { |
| *listp = rlist = MLALLOC(n); |
*listp = rlist = MLALLOC(n); |
| rlist->n = n; rlist->mod = q; rlist->bound = bound; |
rlist->n = n; rlist->mod = q; rlist->bound = bound; |
| for ( i = 0, b = (UM *)bqlist->c, l = (LUM *)rlist->c; i < n; i++ ) { |
for ( i = 0, b = (UM *)bqlist->c, l = (LUM *)rlist->c; i < n; i++ ) { |
| tl = LUMALLOC(DEG(b[i]),1); l[i] = tl; p = COEF(b[i]); |
tl = LUMALLOC(DEG(b[i]),1); l[i] = tl; p = COEF(b[i]); |
| for ( j = 0, pp = COEF(tl); j <= DEG(tl); j++ ) |
for ( j = 0, pp = COEF(tl); j <= DEG(tl); j++ ) |
| pp[j][0] = p[j]; |
pp[j][0] = p[j]; |
| } |
} |
| } else { |
} else { |
| W_LUMALLOC((int)UDEG(f),bound,fl); |
W_LUMALLOC((int)UDEG(f),bound,fl); |
| ptolum(q,bound,f,fl); henmain(fl,bqlist,cqlist,listp); |
ptolum(q,bound,f,fl); henmain(fl,bqlist,cqlist,listp); |
| } |
} |
| } |
} |
| |
|
| void Pnullspace(arg,rp) |
void Pnullspace(arg,rp) |
| NODE arg; |
NODE arg; |
| LIST *rp; |
LIST *rp; |
| { |
{ |
| int i,j,n,mod; |
int i,j,n,mod; |
| MAT mat,r; |
MAT mat,r; |
| VECT u; |
VECT u; |
| V v; |
V v; |
| P p,z; |
P p,z; |
| Q q; |
Q q; |
| UM **w; |
UM **w; |
| UM mp; |
UM mp; |
| P *t; |
P *t; |
| UM *s; |
UM *s; |
| int *ind; |
int *ind; |
| NODE n0,n1; |
NODE n0,n1; |
| |
|
| mat = (MAT)ARG0(arg); |
mat = (MAT)ARG0(arg); |
| p = (P)ARG1(arg); |
p = (P)ARG1(arg); |
| v = VR(p); |
v = VR(p); |
| mod = QTOS((Q)ARG2(arg)); |
mod = QTOS((Q)ARG2(arg)); |
| n = mat->row; |
n = mat->row; |
| w = (UM **)almat_pointer(n,n); |
w = (UM **)almat_pointer(n,n); |
| for ( i = 0; i < n; i++ ) |
for ( i = 0; i < n; i++ ) |
| for ( j = 0, t = (P *)mat->body[i], s = w[i]; j < n; j++ ) { |
for ( j = 0, t = (P *)mat->body[i], s = w[i]; j < n; j++ ) { |
| ptomp(mod,t[j],&z); |
ptomp(mod,t[j],&z); |
| s[j] = W_UMALLOC((z&&!NUM(z))?UDEG(z):0); |
s[j] = W_UMALLOC((z&&!NUM(z))?UDEG(z):0); |
| mptoum(z,s[j]); |
mptoum(z,s[j]); |
| } |
} |
| mp = W_UMALLOC(UDEG(p)); ptoum(mod,p,mp); |
mp = W_UMALLOC(UDEG(p)); ptoum(mod,p,mp); |
| ind = (int *)ALLOCA(n*sizeof(int)); |
ind = (int *)ALLOCA(n*sizeof(int)); |
| nullspace(w,mp,mod,n,ind); |
nullspace(w,mp,mod,n,ind); |
| MKMAT(r,n,n); |
MKMAT(r,n,n); |
| for ( i = 0; i < n; i++ ) |
for ( i = 0; i < n; i++ ) |
| for ( j = 0, t = (P *)r->body[i], s = w[i]; j < n; j++ ) |
for ( j = 0, t = (P *)r->body[i], s = w[i]; j < n; j++ ) |
| umtop(v,s[j],&t[j]); |
umtop(v,s[j],&t[j]); |
| MKVECT(u,n); |
MKVECT(u,n); |
| for ( i = 0; i < n; i++ ) { |
for ( i = 0; i < n; i++ ) { |
| STOQ(ind[i],q); u->body[i] = (pointer)q; |
STOQ(ind[i],q); u->body[i] = (pointer)q; |
| } |
} |
| MKNODE(n1,u,0); MKNODE(n0,r,n1); MKLIST(*rp,n0); |
MKNODE(n1,u,0); MKNODE(n0,r,n1); MKLIST(*rp,n0); |
| } |
} |
| |
|
| void nullspace(mat,p,mod,n,ind) |
void nullspace(mat,p,mod,n,ind) |
|
|
| int mod,n; |
int mod,n; |
| int *ind; |
int *ind; |
| { |
{ |
| int i,j,l,s,d; |
int i,j,l,s,d; |
| UM q,w,w1,h,inv; |
UM q,w,w1,h,inv; |
| UM *t,*u; |
UM *t,*u; |
| |
|
| d = DEG(p); inv = W_UMALLOC(d); q = W_UMALLOC(2*d); |
d = DEG(p); inv = W_UMALLOC(d); q = W_UMALLOC(2*d); |
| w = W_UMALLOC(2*d); w1 = W_UMALLOC(2*d); h = W_UMALLOC(d); |
w = W_UMALLOC(2*d); w1 = W_UMALLOC(2*d); h = W_UMALLOC(d); |
| bzero(ind,n*sizeof(int)); |
bzero(ind,n*sizeof(int)); |
| ind[0] = 0; |
ind[0] = 0; |
| for ( i = j = 0; j < n; i++, j++ ) { |
for ( i = j = 0; j < n; i++, j++ ) { |
| for ( ; j < n; j++ ) { |
for ( ; j < n; j++ ) { |
| for ( l = i; l < n; l++ ) |
for ( l = i; l < n; l++ ) |
| if ( DEG(mat[l][j])>=0 ) |
if ( DEG(mat[l][j])>=0 ) |
| break; |
break; |
| if ( l < n ) { |
if ( l < n ) { |
| t = mat[i]; mat[i] = mat[l]; mat[l] = t; break; |
t = mat[i]; mat[i] = mat[l]; mat[l] = t; break; |
| } else |
} else |
| ind[j] = 1; |
ind[j] = 1; |
| } |
} |
| if ( j == n ) |
if ( j == n ) |
| break; |
break; |
| invum(mod,p,mat[i][j],inv); |
invum(mod,p,mat[i][j],inv); |
| for ( s = j, t = mat[i]; s < n; s++ ) { |
for ( s = j, t = mat[i]; s < n; s++ ) { |
| mulum(mod,t[s],inv,w); |
mulum(mod,t[s],inv,w); |
| DEG(w) = divum(mod,w,p,q); |
DEG(w) = divum(mod,w,p,q); |
| cpyum(w,t[s]); |
cpyum(w,t[s]); |
| } |
} |
| for ( l = 0; l < n; l++ ) { |
for ( l = 0; l < n; l++ ) { |
| if ( l == i ) |
if ( l == i ) |
| continue; |
continue; |
| u = mat[l]; DEG(w) = -1; subum(mod,w,u[j],h); |
u = mat[l]; DEG(w) = -1; subum(mod,w,u[j],h); |
| for ( s = j; s < n; s++ ) { |
for ( s = j; s < n; s++ ) { |
| mulum(mod,h,t[s],w); addum(mod,w,u[s],w1); |
mulum(mod,h,t[s],w); addum(mod,w,u[s],w1); |
| DEG(w1) = divum(mod,w1,p,q); cpyum(w1,u[s]); |
DEG(w1) = divum(mod,w1,p,q); cpyum(w1,u[s]); |
| } |
} |
| } |
} |
| } |
} |
| } |
} |
| |
|
| void Pnullspace_ff(arg,rp) |
void Pnullspace_ff(arg,rp) |
| NODE arg; |
NODE arg; |
| LIST *rp; |
LIST *rp; |
| { |
{ |
| int i,j,n; |
int i,j,n; |
| Q mod; |
MAT mat,r; |
| MAT mat,r; |
VECT u; |
| VECT u; |
Q q; |
| Q q; |
Obj **w; |
| Obj **w; |
Obj *t; |
| Obj *t; |
Obj *s; |
| Obj *s; |
int *ind; |
| int *ind; |
NODE n0,n1; |
| NODE n0,n1; |
|
| |
|
| mat = (MAT)ARG0(arg); |
mat = (MAT)ARG0(arg); |
| n = mat->row; |
n = mat->row; |
| w = (Obj **)almat_pointer(n,n); |
w = (Obj **)almat_pointer(n,n); |
| for ( i = 0; i < n; i++ ) |
for ( i = 0; i < n; i++ ) |
| for ( j = 0, t = (Obj *)mat->body[i], s = w[i]; j < n; j++ ) |
for ( j = 0, t = (Obj *)mat->body[i], s = w[i]; j < n; j++ ) |
| s[j] = t[j]; |
s[j] = t[j]; |
| ind = (int *)ALLOCA(n*sizeof(int)); |
ind = (int *)ALLOCA(n*sizeof(int)); |
| switch ( current_ff ) { |
switch ( current_ff ) { |
| case FF_GFP: |
case FF_GFP: |
| nullspace_lm((LM **)w,n,ind); break; |
nullspace_lm((LM **)w,n,ind); break; |
| case FF_GF2N: |
case FF_GF2N: |
| nullspace_gf2n((GF2N **)w,n,ind); break; |
nullspace_gf2n((GF2N **)w,n,ind); break; |
| case FF_GFPN: |
case FF_GFPN: |
| nullspace_gfpn((GFPN **)w,n,ind); break; |
nullspace_gfpn((GFPN **)w,n,ind); break; |
| case FF_GFS: |
case FF_GFS: |
| nullspace_gfs((GFS **)w,n,ind); break; |
nullspace_gfs((GFS **)w,n,ind); break; |
| default: |
case FF_GFSN: |
| error("nullspace_ff : current_ff is not set"); |
nullspace_gfsn((GFSN **)w,n,ind); break; |
| } |
default: |
| MKMAT(r,n,n); |
error("nullspace_ff : current_ff is not set"); |
| for ( i = 0; i < n; i++ ) |
} |
| for ( j = 0, t = (Obj *)r->body[i], s = w[i]; j < n; j++ ) |
MKMAT(r,n,n); |
| t[j] = s[j]; |
for ( i = 0; i < n; i++ ) |
| MKVECT(u,n); |
for ( j = 0, t = (Obj *)r->body[i], s = w[i]; j < n; j++ ) |
| for ( i = 0; i < n; i++ ) { |
t[j] = s[j]; |
| STOQ(ind[i],q); u->body[i] = (pointer)q; |
MKVECT(u,n); |
| } |
for ( i = 0; i < n; i++ ) { |
| MKNODE(n1,u,0); MKNODE(n0,r,n1); MKLIST(*rp,n0); |
STOQ(ind[i],q); u->body[i] = (pointer)q; |
| |
} |
| |
MKNODE(n1,u,0); MKNODE(n0,r,n1); MKLIST(*rp,n0); |
| } |
} |
| |
|
| void nullspace_lm(mat,n,ind) |
void nullspace_lm(mat,n,ind) |
|
|
| int n; |
int n; |
| int *ind; |
int *ind; |
| { |
{ |
| int i,j,l,s; |
int i,j,l,s; |
| Q q,mod; |
Q q,mod; |
| N lm; |
N lm; |
| LM w,w1,h,inv; |
LM w,w1,h,inv; |
| LM *t,*u; |
LM *t,*u; |
| |
|
| getmod_lm(&lm); NTOQ(lm,1,mod); |
getmod_lm(&lm); NTOQ(lm,1,mod); |
| |
|
| bzero(ind,n*sizeof(int)); |
bzero(ind,n*sizeof(int)); |
| ind[0] = 0; |
ind[0] = 0; |
| for ( i = j = 0; j < n; i++, j++ ) { |
for ( i = j = 0; j < n; i++, j++ ) { |
| for ( ; j < n; j++ ) { |
for ( ; j < n; j++ ) { |
| for ( l = i; l < n; l++ ) { |
for ( l = i; l < n; l++ ) { |
| simplm(mat[l][j],&w); mat[l][j] = w; |
simplm(mat[l][j],&w); mat[l][j] = w; |
| if ( mat[l][j] ) |
if ( mat[l][j] ) |
| break; |
break; |
| } |
} |
| if ( l < n ) { |
if ( l < n ) { |
| t = mat[i]; mat[i] = mat[l]; mat[l] = t; break; |
t = mat[i]; mat[i] = mat[l]; mat[l] = t; break; |
| } else |
} else |
| ind[j] = 1; |
ind[j] = 1; |
| } |
} |
| if ( j == n ) |
if ( j == n ) |
| break; |
break; |
| NTOQ(mat[i][j]->body,1,q); invl(q,mod,(Q *)&inv); |
NTOQ(mat[i][j]->body,1,q); invl(q,mod,(Q *)&inv); |
| for ( s = j, t = mat[i]; s < n; s++ ) { |
for ( s = j, t = mat[i]; s < n; s++ ) { |
| mullm(t[s],inv,&w); t[s] = w; |
mullm(t[s],inv,&w); t[s] = w; |
| } |
} |
| for ( l = 0; l < n; l++ ) { |
for ( l = 0; l < n; l++ ) { |
| if ( l == i ) |
if ( l == i ) |
| continue; |
continue; |
| u = mat[l]; chsgnlm(u[j],&h); |
u = mat[l]; chsgnlm(u[j],&h); |
| for ( s = j; s < n; s++ ) { |
for ( s = j; s < n; s++ ) { |
| mullm(h,t[s],&w); addlm(w,u[s],&w1); u[s] = w1; |
mullm(h,t[s],&w); addlm(w,u[s],&w1); u[s] = w1; |
| } |
} |
| } |
} |
| } |
} |
| } |
} |
| |
|
| void nullspace_gf2n(mat,n,ind) |
void nullspace_gf2n(mat,n,ind) |
|
|
| int n; |
int n; |
| int *ind; |
int *ind; |
| { |
{ |
| int i,j,l,s; |
int i,j,l,s; |
| GF2N w,w1,h,inv; |
GF2N w,w1,h,inv; |
| GF2N *t,*u; |
GF2N *t,*u; |
| extern gf2n_lazy; |
extern gf2n_lazy; |
| |
|
| bzero(ind,n*sizeof(int)); |
bzero(ind,n*sizeof(int)); |
| ind[0] = 0; |
ind[0] = 0; |
| for ( i = j = 0; j < n; i++, j++ ) { |
for ( i = j = 0; j < n; i++, j++ ) { |
| for ( ; j < n; j++ ) { |
for ( ; j < n; j++ ) { |
| for ( l = i; l < n; l++ ) { |
for ( l = i; l < n; l++ ) { |
| simpgf2n(mat[l][j],&w); mat[l][j] = w; |
simpgf2n(mat[l][j],&w); mat[l][j] = w; |
| if ( mat[l][j] ) |
if ( mat[l][j] ) |
| break; |
break; |
| } |
} |
| if ( l < n ) { |
if ( l < n ) { |
| t = mat[i]; mat[i] = mat[l]; mat[l] = t; break; |
t = mat[i]; mat[i] = mat[l]; mat[l] = t; break; |
| } else |
} else |
| ind[j] = 1; |
ind[j] = 1; |
| } |
} |
| if ( j == n ) |
if ( j == n ) |
| break; |
break; |
| invgf2n(mat[i][j],&inv); |
invgf2n(mat[i][j],&inv); |
| for ( s = j, t = mat[i]; s < n; s++ ) { |
for ( s = j, t = mat[i]; s < n; s++ ) { |
| mulgf2n(t[s],inv,&w); t[s] = w; |
mulgf2n(t[s],inv,&w); t[s] = w; |
| } |
} |
| for ( l = 0; l < n; l++ ) { |
for ( l = 0; l < n; l++ ) { |
| if ( l == i ) |
if ( l == i ) |
| continue; |
continue; |
| u = mat[l]; h = u[j]; |
u = mat[l]; h = u[j]; |
| for ( s = j; s < n; s++ ) { |
for ( s = j; s < n; s++ ) { |
| mulgf2n(h,t[s],&w); addgf2n(w,u[s],&w1); u[s] = w1; |
mulgf2n(h,t[s],&w); addgf2n(w,u[s],&w1); u[s] = w1; |
| } |
} |
| } |
} |
| } |
} |
| } |
} |
| |
|
| void nullspace_gfpn(mat,n,ind) |
void nullspace_gfpn(mat,n,ind) |
|
|
| int n; |
int n; |
| int *ind; |
int *ind; |
| { |
{ |
| int i,j,l,s; |
int i,j,l,s; |
| GFPN w,w1,h,inv; |
GFPN w,w1,h,inv; |
| GFPN *t,*u; |
GFPN *t,*u; |
| |
|
| bzero(ind,n*sizeof(int)); |
bzero(ind,n*sizeof(int)); |
| ind[0] = 0; |
ind[0] = 0; |
| for ( i = j = 0; j < n; i++, j++ ) { |
for ( i = j = 0; j < n; i++, j++ ) { |
| for ( ; j < n; j++ ) { |
for ( ; j < n; j++ ) { |
| for ( l = i; l < n; l++ ) { |
for ( l = i; l < n; l++ ) { |
| simpgfpn(mat[l][j],&w); mat[l][j] = w; |
simpgfpn(mat[l][j],&w); mat[l][j] = w; |
| if ( mat[l][j] ) |
if ( mat[l][j] ) |
| break; |
break; |
| } |
} |
| if ( l < n ) { |
if ( l < n ) { |
| t = mat[i]; mat[i] = mat[l]; mat[l] = t; break; |
t = mat[i]; mat[i] = mat[l]; mat[l] = t; break; |
| } else |
} else |
| ind[j] = 1; |
ind[j] = 1; |
| } |
} |
| if ( j == n ) |
if ( j == n ) |
| break; |
break; |
| divgfpn((GFPN)ONE,(GFPN)mat[i][j],&inv); |
divgfpn((GFPN)ONE,(GFPN)mat[i][j],&inv); |
| for ( s = j, t = mat[i]; s < n; s++ ) { |
for ( s = j, t = mat[i]; s < n; s++ ) { |
| mulgfpn(t[s],inv,&w); t[s] = w; |
mulgfpn(t[s],inv,&w); t[s] = w; |
| } |
} |
| for ( l = 0; l < n; l++ ) { |
for ( l = 0; l < n; l++ ) { |
| if ( l == i ) |
if ( l == i ) |
| continue; |
continue; |
| u = mat[l]; chsgngfpn(u[j],&h); |
u = mat[l]; chsgngfpn(u[j],&h); |
| for ( s = j; s < n; s++ ) { |
for ( s = j; s < n; s++ ) { |
| mulgfpn(h,t[s],&w); addgfpn(w,u[s],&w1); u[s] = w1; |
mulgfpn(h,t[s],&w); addgfpn(w,u[s],&w1); u[s] = w1; |
| } |
} |
| } |
} |
| } |
} |
| } |
} |
| |
|
| void nullspace_gfs(mat,n,ind) |
void nullspace_gfs(mat,n,ind) |
|
|
| int n; |
int n; |
| int *ind; |
int *ind; |
| { |
{ |
| int i,j,l,s; |
int i,j,l,s; |
| GFS w,w1,h,inv; |
GFS w,w1,h,inv; |
| GFS *t,*u; |
GFS *t,*u; |
| GFS one; |
GFS one; |
| |
|
| bzero(ind,n*sizeof(int)); |
bzero(ind,n*sizeof(int)); |
| ind[0] = 0; |
ind[0] = 0; |
| mqtogfs(ONEM,&one); |
mqtogfs(ONEM,&one); |
| |
|
| for ( i = j = 0; j < n; i++, j++ ) { |
for ( i = j = 0; j < n; i++, j++ ) { |
| for ( ; j < n; j++ ) { |
for ( ; j < n; j++ ) { |
| for ( l = i; l < n; l++ ) |
for ( l = i; l < n; l++ ) |
| if ( mat[l][j] ) |
if ( mat[l][j] ) |
| break; |
break; |
| if ( l < n ) { |
if ( l < n ) { |
| t = mat[i]; mat[i] = mat[l]; mat[l] = t; break; |
t = mat[i]; mat[i] = mat[l]; mat[l] = t; break; |
| } else |
} else |
| ind[j] = 1; |
ind[j] = 1; |
| } |
} |
| if ( j == n ) |
if ( j == n ) |
| break; |
break; |
| divgfs(one,mat[i][j],&inv); |
divgfs(one,mat[i][j],&inv); |
| for ( s = j, t = mat[i]; s < n; s++ ) { |
for ( s = j, t = mat[i]; s < n; s++ ) { |
| mulgfs(t[s],inv,&w); t[s] = w; |
mulgfs(t[s],inv,&w); t[s] = w; |
| } |
} |
| for ( l = 0; l < n; l++ ) { |
for ( l = 0; l < n; l++ ) { |
| if ( l == i ) |
if ( l == i ) |
| continue; |
continue; |
| u = mat[l]; |
u = mat[l]; |
| chsgngfs(u[j],&h); |
chsgngfs(u[j],&h); |
| for ( s = j; s < n; s++ ) { |
for ( s = j; s < n; s++ ) { |
| mulgfs(h,t[s],&w); addgfs(w,u[s],&w1); u[s] = w1; |
mulgfs(h,t[s],&w); addgfs(w,u[s],&w1); u[s] = w1; |
| } |
} |
| } |
} |
| } |
} |
| } |
} |
| |
|
| |
void nullspace_gfsn(mat,n,ind) |
| |
GFSN **mat; |
| |
int n; |
| |
int *ind; |
| |
{ |
| |
int i,j,l,s; |
| |
GFSN w,w1,h,inv; |
| |
GFSN *t,*u; |
| |
|
| |
bzero(ind,n*sizeof(int)); |
| |
ind[0] = 0; |
| |
|
| |
for ( i = j = 0; j < n; i++, j++ ) { |
| |
for ( ; j < n; j++ ) { |
| |
for ( l = i; l < n; l++ ) |
| |
if ( mat[l][j] ) |
| |
break; |
| |
if ( l < n ) { |
| |
t = mat[i]; mat[i] = mat[l]; mat[l] = t; break; |
| |
} else |
| |
ind[j] = 1; |
| |
} |
| |
if ( j == n ) |
| |
break; |
| |
invgfsn(mat[i][j],&inv); |
| |
for ( s = j, t = mat[i]; s < n; s++ ) { |
| |
mulgfsn(t[s],inv,&w); t[s] = w; |
| |
} |
| |
for ( l = 0; l < n; l++ ) { |
| |
if ( l == i ) |
| |
continue; |
| |
u = mat[l]; |
| |
chsgngfsn(u[j],&h); |
| |
for ( s = j; s < n; s++ ) { |
| |
mulgfsn(h,t[s],&w); addgfsn(w,u[s],&w1); u[s] = w1; |
| |
} |
| |
} |
| |
} |
| |
} |
| |
|
| /* p = a(0)vl[0]+a(1)vl[1]+...+a(m-1)vl[m-1]+a(m) -> array = [a(0) a(1) ... a(m)] */ |
/* p = a(0)vl[0]+a(1)vl[1]+...+a(m-1)vl[m-1]+a(m) -> array = [a(0) a(1) ... a(m)] */ |
| |
|
| void linear_form_to_array(p,vl,m,array) |
void linear_form_to_array(p,vl,m,array) |
|
|
| int m; |
int m; |
| Num *array; |
Num *array; |
| { |
{ |
| int i; |
int i; |
| DCP dc; |
DCP dc; |
| |
|
| bzero((char *)array,(m+1)*sizeof(Num *)); |
bzero((char *)array,(m+1)*sizeof(Num *)); |
| for ( i = 0; p && vl; vl = NEXT(vl), i++ ) { |
for ( i = 0; p && vl; vl = NEXT(vl), i++ ) { |
| if ( ID(p) == O_N ) |
if ( ID(p) == O_N ) |
| break; |
break; |
| else if ( VR(p) == vl->v ) { |
else if ( VR(p) == vl->v ) { |
| dc = DC(p); |
dc = DC(p); |
| array[i] = (Num)COEF(dc); |
array[i] = (Num)COEF(dc); |
| dc = NEXT(dc); |
dc = NEXT(dc); |
| p = dc ? COEF(dc) : 0; |
p = dc ? COEF(dc) : 0; |
| } |
} |
| } |
} |
| array[m] = (Num)p; |
array[m] = (Num)p; |
| } |
} |
| |
|
| void array_to_linear_form(array,vl,m,r) |
void array_to_linear_form(array,vl,m,r) |
|
|
| int m; |
int m; |
| P *r; |
P *r; |
| { |
{ |
| P t; |
P t; |
| DCP dc0,dc1; |
DCP dc0,dc1; |
| |
|
| if ( !m ) |
if ( !m ) |
| *r = (P)array[0]; |
*r = (P)array[0]; |
| else { |
else { |
| array_to_linear_form(array+1,NEXT(vl),m-1,&t); |
array_to_linear_form(array+1,NEXT(vl),m-1,&t); |
| if ( !array[0] ) |
if ( !array[0] ) |
| *r = t; |
*r = t; |
| else { |
else { |
| NEWDC(dc0); DEG(dc0) = ONE; COEF(dc0) = (P)array[0]; |
NEWDC(dc0); DEG(dc0) = ONE; COEF(dc0) = (P)array[0]; |
| if ( !t ) |
if ( !t ) |
| NEXT(dc0) = 0; |
NEXT(dc0) = 0; |
| else { |
else { |
| NEWDC(dc1); DEG(dc1) = 0; COEF(dc1) = t; |
NEWDC(dc1); DEG(dc1) = 0; COEF(dc1) = t; |
| NEXT(dc1) = 0; |
NEXT(dc1) = 0; |
| NEXT(dc0) = dc1; |
NEXT(dc0) = dc1; |
| } |
} |
| MKP(vl->v,dc0,*r); |
MKP(vl->v,dc0,*r); |
| } |
} |
| } |
} |
| } |
} |
| |
|
| void Psolve_linear_equation_gf2n(arg,rp) |
void Psolve_linear_equation_gf2n(arg,rp) |
| NODE arg; |
NODE arg; |
| LIST *rp; |
LIST *rp; |
| { |
{ |
| NODE eqs,tn; |
NODE eqs,tn; |
| VL vars,tvl; |
VL vars,tvl; |
| int i,j,n,m,dim,codim; |
int i,j,n,m,dim,codim; |
| GF2N **w; |
GF2N **w; |
| int *ind; |
int *ind; |
| NODE n0,n1; |
NODE n0,n1; |
| |
|
| get_vars(ARG0(arg),&vars); |
get_vars(ARG0(arg),&vars); |
| eqs = BDY((LIST)ARG0(arg)); |
eqs = BDY((LIST)ARG0(arg)); |
| for ( n = 0, tn = eqs; tn; tn = NEXT(tn), n++); |
for ( n = 0, tn = eqs; tn; tn = NEXT(tn), n++); |
| for ( m = 0, tvl = vars; tvl; tvl = NEXT(tvl), m++); |
for ( m = 0, tvl = vars; tvl; tvl = NEXT(tvl), m++); |
| w = (GF2N **)almat_pointer(n,m+1); |
w = (GF2N **)almat_pointer(n,m+1); |
| for ( i = 0, tn = eqs; i < n; i++, tn = NEXT(tn) ) |
for ( i = 0, tn = eqs; i < n; i++, tn = NEXT(tn) ) |
| linear_form_to_array(BDY(tn),vars,m,(Num *)w[i]); |
linear_form_to_array(BDY(tn),vars,m,(Num *)w[i]); |
| ind = (int *)ALLOCA(m*sizeof(int)); |
ind = (int *)ALLOCA(m*sizeof(int)); |
| solve_linear_equation_gf2n(w,n,m,ind); |
solve_linear_equation_gf2n(w,n,m,ind); |
| for ( j = 0, dim = 0; j < m; j++ ) |
for ( j = 0, dim = 0; j < m; j++ ) |
| if ( ind[j] ) |
if ( ind[j] ) |
| dim++; |
dim++; |
| codim = m-dim; |
codim = m-dim; |
| for ( i = codim; i < n; i++ ) |
for ( i = codim; i < n; i++ ) |
| if ( w[i][m] ) { |
if ( w[i][m] ) { |
| MKLIST(*rp,0); return; |
MKLIST(*rp,0); return; |
| } |
} |
| for ( i = 0, n0 = 0; i < codim; i++ ) { |
for ( i = 0, n0 = 0; i < codim; i++ ) { |
| NEXTNODE(n0,n1); |
NEXTNODE(n0,n1); |
| array_to_linear_form((Num *)w[i],vars,m,(P *)&BDY(n1)); |
array_to_linear_form((Num *)w[i],vars,m,(P *)&BDY(n1)); |
| } |
} |
| if ( n0 ) |
if ( n0 ) |
| NEXT(n1) = 0; |
NEXT(n1) = 0; |
| MKLIST(*rp,n0); |
MKLIST(*rp,n0); |
| } |
} |
| |
|
| void solve_linear_equation_gf2n(mat,n,m,ind) |
void solve_linear_equation_gf2n(mat,n,m,ind) |
|
|
| int n; |
int n; |
| int *ind; |
int *ind; |
| { |
{ |
| int i,j,l,s; |
int i,j,l,s; |
| GF2N w,w1,h,inv; |
GF2N w,w1,h,inv; |
| GF2N *t,*u; |
GF2N *t,*u; |
| extern gf2n_lazy; |
extern gf2n_lazy; |
| |
|
| bzero(ind,m*sizeof(int)); |
bzero(ind,m*sizeof(int)); |
| ind[0] = 0; |
ind[0] = 0; |
| for ( i = j = 0; j < m; i++, j++ ) { |
for ( i = j = 0; j < m; i++, j++ ) { |
| for ( ; j < m; j++ ) { |
for ( ; j < m; j++ ) { |
| for ( l = i; l < n; l++ ) { |
for ( l = i; l < n; l++ ) { |
| simpgf2n(mat[l][j],&w); mat[l][j] = w; |
simpgf2n(mat[l][j],&w); mat[l][j] = w; |
| if ( mat[l][j] ) |
if ( mat[l][j] ) |
| break; |
break; |
| } |
} |
| if ( l < n ) { |
if ( l < n ) { |
| t = mat[i]; mat[i] = mat[l]; mat[l] = t; break; |
t = mat[i]; mat[i] = mat[l]; mat[l] = t; break; |
| } else |
} else |
| ind[j] = 1; |
ind[j] = 1; |
| } |
} |
| if ( j == m ) |
if ( j == m ) |
| break; |
break; |
| invgf2n(mat[i][j],&inv); |
invgf2n(mat[i][j],&inv); |
| for ( s = j, t = mat[i]; s <= m; s++ ) { |
for ( s = j, t = mat[i]; s <= m; s++ ) { |
| mulgf2n(t[s],inv,&w); t[s] = w; |
mulgf2n(t[s],inv,&w); t[s] = w; |
| } |
} |
| for ( l = 0; l < n; l++ ) { |
for ( l = 0; l < n; l++ ) { |
| if ( l == i ) |
if ( l == i ) |
| continue; |
continue; |
| u = mat[l]; h = u[j]; |
u = mat[l]; h = u[j]; |
| for ( s = j; s <= m; s++ ) { |
for ( s = j; s <= m; s++ ) { |
| mulgf2n(h,t[s],&w); addgf2n(w,u[s],&w1); u[s] = w1; |
mulgf2n(h,t[s],&w); addgf2n(w,u[s],&w1); u[s] = w1; |
| } |
} |
| } |
} |
| } |
} |
| } |
} |
| |
|
| /* |
/* |
|
|
| int mod,n; |
int mod,n; |
| UM *r; |
UM *r; |
| { |
{ |
| int i,j,k,l; |
int i,j,k,l; |
| int *c; |
int *c; |
| UM w; |
UM w; |
| |
|
| for ( i = 0, l = 0; i < n; i++ ) { |
for ( i = 0, l = 0; i < n; i++ ) { |
| if ( !ind[i] ) |
if ( !ind[i] ) |
| continue; |
continue; |
| w = UMALLOC(n); |
w = UMALLOC(n); |
| for ( j = k = 0, c = COEF(w); j < n; j++ ) |
for ( j = k = 0, c = COEF(w); j < n; j++ ) |
| if ( ind[j] ) |
if ( ind[j] ) |
| c[j] = 0; |
c[j] = 0; |
| else |
else |
| c[j] = mat[k++][i]; |
c[j] = mat[k++][i]; |
| c[i] = mod-1; |
c[i] = mod-1; |
| for ( j = n; j >= 0; j-- ) |
for ( j = n; j >= 0; j-- ) |
| if ( c[j] ) |
if ( c[j] ) |
| break; |
break; |
| DEG(w) = j; |
DEG(w) = j; |
| r[l++] = w; |
r[l++] = w; |
| } |
} |
| } |
} |
| */ |
*/ |
| |
|
| Line 1252 void showgfmat(mat,n) |
|
| Line 1359 void showgfmat(mat,n) |
|
| UM **mat; |
UM **mat; |
| int n; |
int n; |
| { |
{ |
| int i,j,k; |
int i,j,k; |
| int *c; |
int *c; |
| UM p; |
UM p; |
| |
|
| for ( i = 0; i < n; i++ ) { |
for ( i = 0; i < n; i++ ) { |
| for ( j = 0; j < n; j++ ) { |
for ( j = 0; j < n; j++ ) { |
| p = mat[i][j]; |
p = mat[i][j]; |
| if ( DEG(p) < 0 ) |
if ( DEG(p) < 0 ) |
| fprintf(asir_out,"0"); |
fprintf(asir_out,"0"); |
| else |
else |
| for ( p = mat[i][j], k = DEG(p), c = COEF(p); k >= 0; k-- ) { |
for ( p = mat[i][j], k = DEG(p), c = COEF(p); k >= 0; k-- ) { |
| if ( c[k] ) |
if ( c[k] ) |
| fprintf(asir_out,"+%d",c[k]); |
fprintf(asir_out,"+%d",c[k]); |
| if ( k > 1 ) |
if ( k > 1 ) |
| fprintf(asir_out,"a^%d",k); |
fprintf(asir_out,"a^%d",k); |
| else if ( k == 1 ) |
else if ( k == 1 ) |
| fprintf(asir_out,"a",k); |
fprintf(asir_out,"a",k); |
| } |
} |
| fprintf(asir_out," "); |
fprintf(asir_out," "); |
| } |
} |
| fprintf(asir_out,"\n"); |
fprintf(asir_out,"\n"); |
| } |
} |
| } |
} |
| |
|
| #if 0 |
#if 0 |
| Line 1281 void Pgcda_mod(arg,rp) |
|
| Line 1388 void Pgcda_mod(arg,rp) |
|
| NODE arg; |
NODE arg; |
| P *rp; |
P *rp; |
| { |
{ |
| p1 = (P)ARG0(arg); |
p1 = (P)ARG0(arg); |
| p2 = (P)ARG1(arg); |
p2 = (P)ARG1(arg); |
| v = VR((P)ARG2(arg)); |
v = VR((P)ARG2(arg)); |
| d = (P)ARG3(arg); |
d = (P)ARG3(arg); |
| m = QTOS((Q)ARG4(arg)); |
m = QTOS((Q)ARG4(arg)); |
| reordvar(CO,v,&vl); |
reordvar(CO,v,&vl); |
| reorderp(vl,CO,p1,&t); ptomp(m,t,&m1); |
reorderp(vl,CO,p1,&t); ptomp(m,t,&m1); |
| reorderp(vl,CO,p2,&t); ptomp(m,t,&m2); |
reorderp(vl,CO,p2,&t); ptomp(m,t,&m2); |
| if ( NUM(m1) || NUM(m2) || VR(m1) != v || VR(m2) != v ) { |
if ( NUM(m1) || NUM(m2) || VR(m1) != v || VR(m2) != v ) { |
| *rp = ONE; return; |
*rp = ONE; return; |
| } |
} |
| if ( deg(v,m1) >= deg(v,m2) ) { |
if ( deg(v,m1) >= deg(v,m2) ) { |
| t = m1; m1 = m2; m2 = t; |
t = m1; m1 = m2; m2 = t; |
| } |
} |
| while ( 1 ) { |
while ( 1 ) { |
| inva_mod(COEF(DC(m2)),d,m,&inv); |
inva_mod(COEF(DC(m2)),d,m,&inv); |
| NEWDC(dc); NEXT(dc) = 0; MKP(v,dc,h); |
NEWDC(dc); NEXT(dc) = 0; MKP(v,dc,h); |
| d0 = deg(v,m1)-deg(v,m2); STOQ(d0,DEG(dc)); |
d0 = deg(v,m1)-deg(v,m2); STOQ(d0,DEG(dc)); |
| mulgq(m,d,inv,COEF(DC(m1)),&COEF(dc)); |
mulgq(m,d,inv,COEF(DC(m1)),&COEF(dc)); |
| mulgp(vl,m,d,m2,h,&t); subgp(vl,m,d,m1,t,&s); |
mulgp(vl,m,d,m2,h,&t); subgp(vl,m,d,m1,t,&s); |
| } |
} |
| } |
} |
| #endif |
#endif |
| |
|
| Line 1309 void Ppwr_mod(arg,rp) |
|
| Line 1416 void Ppwr_mod(arg,rp) |
|
| NODE arg; |
NODE arg; |
| P *rp; |
P *rp; |
| { |
{ |
| P p,a,d,r; |
P p,a,d,r; |
| int m; |
int m; |
| Q q; |
Q q; |
| N n; |
N n; |
| |
|
| m = QTOS((Q)ARG4(arg)); q = (Q)ARG5(arg); n = q ? NM(q) : 0; |
m = QTOS((Q)ARG4(arg)); q = (Q)ARG5(arg); n = q ? NM(q) : 0; |
| ptomp(m,(P)ARG0(arg),&p); ptomp(m,(P)ARG1(arg),&a); |
ptomp(m,(P)ARG0(arg),&p); ptomp(m,(P)ARG1(arg),&a); |
| ptomp(m,(P)ARG3(arg),&d); |
ptomp(m,(P)ARG3(arg),&d); |
| pwr_mod(p,a,VR((P)ARG2(arg)),d,m,n,&r); |
pwr_mod(p,a,VR((P)ARG2(arg)),d,m,n,&r); |
| mptop(r,rp); |
mptop(r,rp); |
| } |
} |
| |
|
| void pwr_mod(p,a,v,d,m,n,rp) |
void pwr_mod(p,a,v,d,m,n,rp) |
|
|
| N n; |
N n; |
| P *rp; |
P *rp; |
| { |
{ |
| int b; |
int b; |
| P t,s,r; |
P t,s,r; |
| N n1; |
N n1; |
| |
|
| if ( !n ) |
if ( !n ) |
| *rp = (P)ONEM; |
*rp = (P)ONEM; |
| else if ( UNIN(n) ) |
else if ( UNIN(n) ) |
| *rp = p; |
*rp = p; |
| else { |
else { |
| b = divin(n,2,&n1); |
b = divin(n,2,&n1); |
| pwr_mod(p,a,v,d,m,n1,&t); |
pwr_mod(p,a,v,d,m,n1,&t); |
| mulmp(CO,m,t,t,&s); rem_mod(s,a,v,d,m,&r); |
mulmp(CO,m,t,t,&s); rem_mod(s,a,v,d,m,&r); |
| if ( b ) { |
if ( b ) { |
| mulmp(CO,m,r,p,&t); rem_mod(t,a,v,d,m,rp); |
mulmp(CO,m,r,p,&t); rem_mod(t,a,v,d,m,rp); |
| } else |
} else |
| *rp = r; |
*rp = r; |
| } |
} |
| } |
} |
| |
|
| void rem_mod(p,a,v,d,m,rp) |
void rem_mod(p,a,v,d,m,rp) |
|
|
| int m; |
int m; |
| P *rp; |
P *rp; |
| { |
{ |
| P tmp,r1,r2; |
P tmp,r1,r2; |
| |
|
| divsrmp(CO,m,p,d,&tmp,&r1); |
divsrmp(CO,m,p,d,&tmp,&r1); |
| divsrmp(CO,m,r1,a,&tmp,&r2); |
divsrmp(CO,m,r1,a,&tmp,&r2); |
| divsrmp(CO,m,r2,d,&tmp,rp); |
divsrmp(CO,m,r2,d,&tmp,rp); |
| } |
} |