version 1.111, 2004/09/21 07:19:01 |
version 1.121, 2004/12/09 08:56:43 |
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/* $OpenXM: OpenXM_contrib2/asir2000/engine/nd.c,v 1.110 2004/09/21 05:23:14 noro Exp $ */ |
/* $OpenXM: OpenXM_contrib2/asir2000/engine/nd.c,v 1.120 2004/12/07 15:15:52 noro Exp $ */ |
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#include "nd.h" |
#include "nd.h" |
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ND _nd_free_list; |
ND _nd_free_list; |
ND_pairs _ndp_free_list; |
ND_pairs _ndp_free_list; |
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static int nd_ntrans; |
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static int nd_nalg; |
#if 0 |
#if 0 |
static int ndv_alloc; |
static int ndv_alloc; |
#endif |
#endif |
Line 41 static int nd_found,nd_create,nd_notfirst; |
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Line 43 static int nd_found,nd_create,nd_notfirst; |
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static int nmv_adv; |
static int nmv_adv; |
static int nd_demand; |
static int nd_demand; |
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NumberField get_numberfield(); |
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UINT *nd_det_compute_bound(NDV **dm,int n,int j); |
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void nd_det_reconstruct(NDV **dm,int n,int j,NDV d); |
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int nd_monic(int m,ND *p); |
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void nd_free_private_storage() |
void nd_free_private_storage() |
{ |
{ |
_nm_free_list = 0; |
_nm_free_list = 0; |
Line 724 int ndl_disjoint(UINT *d1,UINT *d2) |
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Line 731 int ndl_disjoint(UINT *d1,UINT *d2) |
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#endif |
#endif |
} |
} |
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int ndl_check_bound2(int index,UINT *d2) |
int ndl_check_bound(UINT *d1,UINT *d2) |
{ |
{ |
UINT u2; |
UINT u2; |
UINT *d1; |
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int i,j,ind,k; |
int i,j,ind,k; |
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d1 = nd_bound[index]; |
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ind = 0; |
ind = 0; |
#if USE_UNROLL |
#if USE_UNROLL |
switch ( nd_bpe ) { |
switch ( nd_bpe ) { |
Line 819 int ndl_check_bound2(int index,UINT *d2) |
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Line 824 int ndl_check_bound2(int index,UINT *d2) |
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#endif |
#endif |
} |
} |
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int ndl_check_bound2(int index,UINT *d2) |
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{ |
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return ndl_check_bound(nd_bound[index],d2); |
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} |
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INLINE int ndl_hash_value(UINT *d) |
INLINE int ndl_hash_value(UINT *d) |
{ |
{ |
int i; |
int i; |
Line 1574 NODE nd_gb(int m,int ishomo,int checkonly) |
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Line 1584 NODE nd_gb(int m,int ishomo,int checkonly) |
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NODE r,g,t; |
NODE r,g,t; |
ND_pairs d; |
ND_pairs d; |
ND_pairs l; |
ND_pairs l; |
ND h,nf,s,head; |
ND h,nf,s,head,nf1; |
NDV nfv; |
NDV nfv; |
Q q,num,den; |
Q q,num,den; |
union oNDC dn; |
union oNDC dn; |
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if ( checkonly ) return 0; |
if ( checkonly ) return 0; |
if ( DP_Print ) { printf("+"); fflush(stdout); } |
if ( DP_Print ) { printf("+"); fflush(stdout); } |
nd_removecont(m,nf); |
nd_removecont(m,nf); |
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if ( !m && nd_nalg ) { |
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nd_monic(0,&nf); |
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nd_removecont(m,nf); |
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} |
nfv = ndtondv(m,nf); nd_free(nf); |
nfv = ndtondv(m,nf); nd_free(nf); |
nh = ndv_newps(m,nfv,0); |
nh = ndv_newps(m,nfv,0); |
d = update_pairs(d,g,nh); |
d = update_pairs(d,g,nh); |
Line 1679 void do_diagonalize_trace(int sugar,int m) |
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Line 1693 void do_diagonalize_trace(int sugar,int m) |
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} |
} |
} |
} |
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static struct oEGT eg_invdalg; |
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struct oEGT eg_le; |
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NODE nd_gb_trace(int m,int ishomo) |
NODE nd_gb_trace(int m,int ishomo) |
{ |
{ |
int i,nh,sugar,stat; |
int i,nh,sugar,stat; |
Line 1689 NODE nd_gb_trace(int m,int ishomo) |
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Line 1706 NODE nd_gb_trace(int m,int ishomo) |
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NDV nfv,nfqv; |
NDV nfv,nfqv; |
Q q,den,num; |
Q q,den,num; |
union oNDC dn; |
union oNDC dn; |
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struct oEGT eg_monic,egm0,egm1; |
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init_eg(&eg_monic); |
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init_eg(&eg_invdalg); |
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init_eg(&eg_le); |
g = 0; d = 0; |
g = 0; d = 0; |
for ( i = 0; i < nd_psn; i++ ) { |
for ( i = 0; i < nd_psn; i++ ) { |
d = update_pairs(d,g,i); |
d = update_pairs(d,g,i); |
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if ( !rem(NM(HCQ(nfq)),m) ) return 0; |
if ( !rem(NM(HCQ(nfq)),m) ) return 0; |
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if ( DP_Print ) { printf("+"); fflush(stdout); } |
if ( DP_Print ) { printf("+"); fflush(stdout); } |
nd_removecont(m,nf); nfv = ndtondv(m,nf); nd_free(nf); |
if ( nd_nalg ) { |
nd_removecont(0,nfq); nfqv = ndtondv(0,nfq); nd_free(nfq); |
/* m|DN(HC(nf)^(-1)) => failure */ |
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get_eg(&egm0); |
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if ( !nd_monic(m,&nfq) ) return 0; |
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get_eg(&egm1); add_eg(&eg_monic,&egm0,&egm1); |
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nd_removecont(0,nfq); nfqv = ndtondv(0,nfq); nd_free(nfq); |
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nfv = ndv_dup(0,nfqv); ndv_mod(m,nfv); nd_free(nf); |
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} else { |
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nd_removecont(0,nfq); nfqv = ndtondv(0,nfq); nd_free(nfq); |
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nd_removecont(m,nf); nfv = ndtondv(m,nf); nd_free(nf); |
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} |
nh = ndv_newps(0,nfv,nfqv); |
nh = ndv_newps(0,nfv,nfqv); |
d = update_pairs(d,g,nh); |
d = update_pairs(d,g,nh); |
g = update_base(g,nh); |
g = update_base(g,nh); |
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else |
else |
for ( t = g; t; t = NEXT(t) ) |
for ( t = g; t; t = NEXT(t) ) |
BDY(t) = (pointer)nd_ps_trace[(int)BDY(t)]; |
BDY(t) = (pointer)nd_ps_trace[(int)BDY(t)]; |
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if ( nd_nalg ) { |
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print_eg("monic",&eg_monic); |
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print_eg("invdalg",&eg_invdalg); |
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print_eg("le",&eg_le); |
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} |
return g; |
return g; |
} |
} |
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Line 2177 void ndv_setup(int mod,int trace,NODE f) |
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Line 2212 void ndv_setup(int mod,int trace,NODE f) |
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} |
} |
} |
} |
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struct order_spec *append_block(struct order_spec *spec, |
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int nv,int nalg,int ord); |
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extern VECT current_dl_weight_vector_obj; |
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static VECT prev_weight_vector_obj; |
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void preprocess_algcoef(VL vv,VL av,struct order_spec *ord,LIST f, |
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struct order_spec **ord1p,LIST *f1p,NODE *alistp) |
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{ |
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NODE alist,t,s,r0,r,arg; |
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VL tv; |
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P poly; |
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DP d; |
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Alg alpha,dp; |
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DAlg inv,da,hc; |
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MP m; |
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int i,nvar,nalg,n; |
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NumberField nf; |
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LIST f1,f2; |
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struct order_spec *current_spec; |
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VECT obj,obj0; |
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Obj tmp; |
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for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++); |
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for ( nalg = 0, tv = av; tv; tv = NEXT(tv), nalg++); |
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for ( alist = 0, tv = av; tv; tv = NEXT(tv) ) { |
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NEXTNODE(alist,t); MKV(tv->v,poly); |
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MKAlg(poly,alpha); BDY(t) = (pointer)alpha; |
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tv->v = tv->v->priv; |
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} |
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NEXT(t) = 0; |
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/* simplification, makeing polynomials monic */ |
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setfield_dalg(alist); |
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obj_algtodalg(f,&f1); |
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for ( t = BDY(f); t; t = NEXT(t) ) { |
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initd(ord); ptod(vv,vv,(P)BDY(t),&d); |
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hc = (DAlg)BDY(d)->c; |
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if ( NID(hc) == N_DA ) { |
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invdalg(hc,&inv); |
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for ( m = BDY(d); m; m = NEXT(m) ) { |
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muldalg(inv,(DAlg)m->c,&da); m->c = (P)da; |
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} |
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} |
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initd(ord); dtop(vv,vv,d,&poly); BDY(f) = (pointer)poly; |
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} |
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obj_dalgtoalg(f1,&f); |
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/* append alg vars to the var list */ |
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for ( tv = vv; NEXT(tv); tv = NEXT(tv) ); |
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NEXT(tv) = av; |
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/* append a block to ord */ |
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*ord1p = append_block(ord,nvar,nalg,2); |
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/* create generator list */ |
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nf = get_numberfield(); |
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for ( i = nalg-1, t = BDY(f); i >= 0; i-- ) { |
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MKAlg(nf->defpoly[i],dp); |
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MKNODE(s,dp,t); t = s; |
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} |
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MKLIST(f1,t); |
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*alistp = alist; |
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algobjtorat(f1,f1p); |
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/* creating a new weight vector */ |
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prev_weight_vector_obj = obj0 = current_dl_weight_vector_obj; |
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n = nvar+nalg+1; |
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MKVECT(obj,n); |
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if ( obj0 && obj0->len == nvar ) |
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for ( i = 0; i < nvar; i++ ) BDY(obj)[i] = BDY(obj0)[i]; |
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else |
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for ( i = 0; i < nvar; i++ ) BDY(obj)[i] = (pointer)ONE; |
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for ( i = 0; i < nalg; i++ ) BDY(obj)[i+nvar] = 0; |
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BDY(obj)[n-1] = (pointer)ONE; |
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arg = mknode(1,obj); |
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Pdp_set_weight(arg,&tmp); |
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} |
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NODE postprocess_algcoef(VL av,NODE alist,NODE r) |
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{ |
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NODE s,t,u0,u; |
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P p; |
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VL tv; |
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Obj obj,tmp; |
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NODE arg; |
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u0 = 0; |
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for ( t = r; t; t = NEXT(t) ) { |
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p = (P)BDY(t); |
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for ( tv = av, s = alist; tv; tv = NEXT(tv), s = NEXT(s) ) { |
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substr(CO,0,(Obj)p,tv->v,(Obj)BDY(s),&obj); p = (P)obj; |
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} |
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if ( OID(p) == O_P || (OID(p) == O_N && NID((Num)p) != N_A) ) { |
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NEXTNODE(u0,u); |
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BDY(u) = (pointer)p; |
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} |
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} |
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arg = mknode(1,prev_weight_vector_obj); |
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Pdp_set_weight(arg,&tmp); |
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return u0; |
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} |
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void nd_gr(LIST f,LIST v,int m,int f4,struct order_spec *ord,LIST *rp) |
void nd_gr(LIST f,LIST v,int m,int f4,struct order_spec *ord,LIST *rp) |
{ |
{ |
VL tv,fv,vv,vc; |
VL tv,fv,vv,vc,av; |
NODE fd,fd0,r,r0,t,x,s,xx; |
NODE fd,fd0,r,r0,t,x,s,xx,alist; |
int e,max,nvar; |
int e,max,nvar,i; |
NDV b; |
NDV b; |
int ishomo; |
int ishomo,nalg; |
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Alg alpha,dp; |
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P p; |
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LIST f1,f2; |
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Obj obj; |
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NumberField nf; |
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struct order_spec *ord1; |
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if ( !m && Demand ) nd_demand = 1; |
if ( !m && Demand ) nd_demand = 1; |
else nd_demand = 0; |
else nd_demand = 0; |
Line 2201 void nd_gr(LIST f,LIST v,int m,int f4,struct order_spe |
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Line 2347 void nd_gr(LIST f,LIST v,int m,int f4,struct order_spe |
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default: |
default: |
break; |
break; |
} |
} |
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nd_nalg = 0; |
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if ( !m ) { |
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get_algtree((Obj)f,&av); |
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for ( nalg = 0, tv = av; tv; tv = NEXT(tv), nalg++ ); |
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nd_ntrans = nvar; |
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nd_nalg = nalg; |
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/* #i -> t#i */ |
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if ( nalg ) { |
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preprocess_algcoef(vv,av,ord,f,&ord1,&f1,&alist); |
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ord = ord1; |
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f = f1; |
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} |
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nvar += nalg; |
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} |
nd_init_ord(ord); |
nd_init_ord(ord); |
for ( t = BDY(f), max = 0; t; t = NEXT(t) ) |
for ( t = BDY(f), max = 0; t; t = NEXT(t) ) |
for ( tv = vv; tv; tv = NEXT(tv) ) { |
for ( tv = vv; tv; tv = NEXT(tv) ) { |
Line 2227 void nd_gr(LIST f,LIST v,int m,int f4,struct order_spe |
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Line 2387 void nd_gr(LIST f,LIST v,int m,int f4,struct order_spe |
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BDY(r) = ndvtop(m,CO,vv,BDY(t)); |
BDY(r) = ndvtop(m,CO,vv,BDY(t)); |
} |
} |
if ( r0 ) NEXT(r) = 0; |
if ( r0 ) NEXT(r) = 0; |
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if ( nalg ) |
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r0 = postprocess_algcoef(av,alist,r0); |
MKLIST(*rp,r0); |
MKLIST(*rp,r0); |
#if 0 |
#if 0 |
fprintf(asir_out,"ndv_alloc=%d\n",ndv_alloc); |
fprintf(asir_out,"ndv_alloc=%d\n",ndv_alloc); |
Line 2235 void nd_gr(LIST f,LIST v,int m,int f4,struct order_spe |
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Line 2397 void nd_gr(LIST f,LIST v,int m,int f4,struct order_spe |
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void nd_gr_trace(LIST f,LIST v,int trace,int homo,struct order_spec *ord,LIST *rp) |
void nd_gr_trace(LIST f,LIST v,int trace,int homo,struct order_spec *ord,LIST *rp) |
{ |
{ |
struct order_spec *ord1; |
VL tv,fv,vv,vc,av; |
VL tv,fv,vv,vc; |
NODE fd,fd0,in0,in,r,r0,t,s,cand,alist; |
NODE fd,fd0,in0,in,r,r0,t,s,cand; |
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int m,nocheck,nvar,mindex,e,max; |
int m,nocheck,nvar,mindex,e,max; |
NDV c; |
NDV c; |
NMV a; |
NMV a; |
P p; |
P p; |
EPOS oepos; |
EPOS oepos; |
int obpe,oadv,wmax,i,len,cbpe,ishomo; |
int obpe,oadv,wmax,i,len,cbpe,ishomo,nalg; |
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Alg alpha,dp; |
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P poly; |
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LIST f1,f2; |
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Obj obj; |
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NumberField nf; |
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struct order_spec *ord1; |
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get_vars((Obj)f,&fv); pltovl(v,&vv); |
get_vars((Obj)f,&fv); pltovl(v,&vv); |
for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++ ); |
for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++ ); |
Line 2255 void nd_gr_trace(LIST f,LIST v,int trace,int homo,stru |
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Line 2422 void nd_gr_trace(LIST f,LIST v,int trace,int homo,stru |
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default: |
default: |
break; |
break; |
} |
} |
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get_algtree((Obj)f,&av); |
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for ( nalg = 0, tv = av; tv; tv = NEXT(tv), nalg++ ); |
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nd_ntrans = nvar; |
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nd_nalg = nalg; |
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/* #i -> t#i */ |
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if ( nalg ) { |
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preprocess_algcoef(vv,av,ord,f,&ord1,&f1,&alist); |
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ord = ord1; |
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f = f1; |
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} |
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nvar += nalg; |
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nocheck = 0; |
nocheck = 0; |
mindex = 0; |
mindex = 0; |
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Line 2344 void nd_gr_trace(LIST f,LIST v,int trace,int homo,stru |
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Line 2524 void nd_gr_trace(LIST f,LIST v,int trace,int homo,stru |
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/* dp->p */ |
/* dp->p */ |
nd_bpe = cbpe; |
nd_bpe = cbpe; |
nd_setup_parameters(nd_nvar,0); |
nd_setup_parameters(nd_nvar,0); |
for ( r = cand; r; r = NEXT(r) ) BDY(r) = (pointer)ndvtop(0,CO,vv,BDY(r)); |
for ( r = cand; r; r = NEXT(r) ) |
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BDY(r) = (pointer)ndvtop(0,CO,vv,BDY(r)); |
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if ( nalg ) |
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cand = postprocess_algcoef(av,alist,cand); |
MKLIST(*rp,cand); |
MKLIST(*rp,cand); |
} |
} |
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Line 2616 void nd_mul_c(int mod,ND p,int mul) |
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Line 2799 void nd_mul_c(int mod,ND p,int mul) |
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int c,c1; |
int c,c1; |
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if ( !p ) return; |
if ( !p ) return; |
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if ( mul == 1 ) return; |
if ( mod == -1 ) |
if ( mod == -1 ) |
for ( m = BDY(p); m; m = NEXT(m) ) |
for ( m = BDY(p); m; m = NEXT(m) ) |
CM(m) = _mulsf(CM(m),mul); |
CM(m) = _mulsf(CM(m),mul); |
Line 2631 void nd_mul_c_q(ND p,Q mul) |
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Line 2815 void nd_mul_c_q(ND p,Q mul) |
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Q c; |
Q c; |
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if ( !p ) return; |
if ( !p ) return; |
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if ( UNIQ(mul) ) return; |
for ( m = BDY(p); m; m = NEXT(m) ) { |
for ( m = BDY(p); m; m = NEXT(m) ) { |
mulq(CQ(m),mul,&c); CQ(m) = c; |
mulq(CQ(m),mul,&c); CQ(m) = c; |
} |
} |
Line 3709 void nd_nf_p(P f,LIST g,LIST v,int m,struct order_spec |
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Line 3894 void nd_nf_p(P f,LIST g,LIST v,int m,struct order_spec |
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int stat,nvar,max,e; |
int stat,nvar,max,e; |
union oNDC dn; |
union oNDC dn; |
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if ( !f ) { |
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*rp = 0; |
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return; |
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} |
pltovl(v,&vv); |
pltovl(v,&vv); |
for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++ ); |
for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++ ); |
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Line 4887 void nd_det(int mod,MAT f,P *rp) |
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Line 5076 void nd_det(int mod,MAT f,P *rp) |
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NDV d,s,mij,mjj; |
NDV d,s,mij,mjj; |
ND u; |
ND u; |
NMV nmv; |
NMV nmv; |
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UINT *bound; |
PGeoBucket bucket; |
PGeoBucket bucket; |
struct order_spec *ord; |
struct order_spec *ord; |
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Line 4904 void nd_det(int mod,MAT f,P *rp) |
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Line 5094 void nd_det(int mod,MAT f,P *rp) |
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e = getdeg(tv->v,(P)m[i][j]); |
e = getdeg(tv->v,(P)m[i][j]); |
max = MAX(e,max); |
max = MAX(e,max); |
} |
} |
nd_setup_parameters(nvar,1024); |
nd_setup_parameters(nvar,max); |
dm = (NDV **)almat_pointer(n,n); |
dm = (NDV **)almat_pointer(n,n); |
for ( i = 0, max = 0; i < n; i++ ) |
for ( i = 0, max = 0; i < n; i++ ) |
for ( j = 0; j < n; j++ ) { |
for ( j = 0; j < n; j++ ) { |
Line 4938 void nd_det(int mod,MAT f,P *rp) |
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Line 5128 void nd_det(int mod,MAT f,P *rp) |
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} |
} |
sgn = -sgn; |
sgn = -sgn; |
} |
} |
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bound = nd_det_compute_bound(dm,n,j); |
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if ( ndl_check_bound(bound,bound) ) |
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nd_det_reconstruct(dm,n,j,d); |
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for ( i = j+1, mj = dm[j], mjj = mj[j]; i < n; i++ ) { |
for ( i = j+1, mj = dm[j], mjj = mj[j]; i < n; i++ ) { |
if ( DP_Print ) fprintf(stderr," i=%d\n ",i); |
/* if ( DP_Print ) fprintf(stderr," i=%d\n ",i); */ |
mi = dm[i]; mij = mi[j]; |
mi = dm[i]; mij = mi[j]; |
if ( mod ) |
if ( mod ) |
ndv_mul_c(mod,mij,mod-1); |
ndv_mul_c(mod,mij,mod-1); |
else |
else |
ndv_mul_c_q(mij,mone); |
ndv_mul_c_q(mij,mone); |
for ( k = j+1; k < n; k++ ) { |
for ( k = j+1; k < n; k++ ) { |
if ( DP_Print ) fprintf(stderr,"k=%d ",k); |
/* if ( DP_Print ) fprintf(stderr,"k=%d ",k); */ |
bucket = create_pbucket(); |
bucket = create_pbucket(); |
if ( mi[k] ) { |
if ( mi[k] ) { |
nmv = BDY(mjj); len = LEN(mjj); |
nmv = BDY(mjj); len = LEN(mjj); |
Line 4965 void nd_det(int mod,MAT f,P *rp) |
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Line 5159 void nd_det(int mod,MAT f,P *rp) |
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u = nd_quo(mod,bucket,d); |
u = nd_quo(mod,bucket,d); |
mi[k] = ndtondv(mod,u); |
mi[k] = ndtondv(mod,u); |
} |
} |
if ( DP_Print ) fprintf(stderr,"\n",k); |
/* if ( DP_Print ) fprintf(stderr,"\n",k); */ |
} |
} |
d = mjj; |
d = mjj; |
} |
} |
Line 5025 ND ndv_mul_nmv_trunc(int mod,NMV m0,NDV p,UINT *d) |
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Line 5219 ND ndv_mul_nmv_trunc(int mod,NMV m0,NDV p,UINT *d) |
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return r; |
return r; |
} |
} |
} |
} |
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} |
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void nd_det_reconstruct(NDV **dm,int n,int j,NDV d) |
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{ |
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int i,obpe,oadv,h,k,l; |
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static NM prev_nm_free_list; |
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EPOS oepos; |
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obpe = nd_bpe; |
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oadv = nmv_adv; |
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oepos = nd_epos; |
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if ( obpe < 2 ) nd_bpe = 2; |
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else if ( obpe < 3 ) nd_bpe = 3; |
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else if ( obpe < 4 ) nd_bpe = 4; |
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else if ( obpe < 5 ) nd_bpe = 5; |
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else if ( obpe < 6 ) nd_bpe = 6; |
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else if ( obpe < 8 ) nd_bpe = 8; |
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else if ( obpe < 10 ) nd_bpe = 10; |
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else if ( obpe < 16 ) nd_bpe = 16; |
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else if ( obpe < 32 ) nd_bpe = 32; |
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else error("nd_det_reconstruct : exponent too large"); |
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nd_setup_parameters(nd_nvar,0); |
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prev_nm_free_list = _nm_free_list; |
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_nm_free_list = 0; |
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for ( k = j; k < n; k++ ) |
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for (l = j; l < n; l++ ) |
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ndv_realloc(dm[k][l],obpe,oadv,oepos); |
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ndv_realloc(d,obpe,oadv,oepos); |
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prev_nm_free_list = 0; |
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#if 0 |
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GC_gcollect(); |
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#endif |
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} |
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UINT *nd_det_compute_bound(NDV **dm,int n,int j) |
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{ |
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UINT *d0,*d1,*d,*t,*r; |
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int k,l; |
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d0 = (UINT *)ALLOCA(nd_wpd*sizeof(UINT)); |
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d1 = (UINT *)ALLOCA(nd_wpd*sizeof(UINT)); |
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for ( k = 0; k < nd_wpd; k++ ) d0[k] = 0; |
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for ( k = j; k < n; k++ ) |
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for ( l = j; l < n; l++ ) |
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if ( dm[k][l] ) { |
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d = ndv_compute_bound(dm[k][l]); |
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ndl_lcm(d,d0,d1); |
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t = d1; d1 = d0; d0 = t; |
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} |
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r = (UINT *)ALLOCA(nd_wpd*sizeof(UINT)); |
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for ( k = 0; k < nd_wpd; k++ ) r[k] = d0[k]; |
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return r; |
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} |
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DL nd_separate_d(UINT *d,UINT *trans) |
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{ |
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int n,td,i,e,j; |
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DL a; |
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ndl_zero(trans); |
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td = 0; |
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for ( i = 0; i < nd_ntrans; i++ ) { |
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e = GET_EXP(d,i); |
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PUT_EXP(trans,i,e); |
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td += MUL_WEIGHT(e,i); |
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} |
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if ( nd_ntrans+nd_nalg < nd_nvar ) { |
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/* homogenized */ |
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i = nd_nvar-1; |
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e = GET_EXP(d,i); |
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PUT_EXP(trans,i,e); |
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td += MUL_WEIGHT(e,i); |
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} |
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TD(trans) = td; |
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if ( nd_blockmask) ndl_weight_mask(trans); |
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NEWDL(a,nd_nalg); |
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td = 0; |
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for ( i = 0; i < nd_nalg; i++ ) { |
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j = nd_ntrans+i; |
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e = GET_EXP(d,j); |
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a->d[i] = e; |
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td += e; |
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} |
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a->td = td; |
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return a; |
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} |
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int nd_monic(int mod,ND *p) |
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{ |
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UINT *trans,*t; |
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DL alg; |
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MP mp0,mp; |
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NM m,m0,m1,ma0,ma,mb,mr0,mr; |
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ND r; |
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DL dl; |
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DP nm; |
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NDV ndv; |
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DAlg inv,cd; |
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ND s,c; |
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Q l,mul; |
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N ln; |
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int n,ntrans,i,e,td,is_lc,len; |
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NumberField nf; |
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struct oEGT eg0,eg1; |
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if ( !(nf = get_numberfield()) ) |
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error("nd_monic : current_numberfield is not set"); |
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/* Q coef -> DAlg coef */ |
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NEWNM(ma0); ma = ma0; |
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m = BDY(*p); |
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is_lc = 1; |
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while ( 1 ) { |
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NEWMP(mp0); mp = mp0; |
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mp->c = (P)CQ(m); |
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mp->dl = nd_separate_d(DL(m),DL(ma)); |
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NEWNM(mb); |
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for ( m = NEXT(m); m; m = NEXT(m) ) { |
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alg = nd_separate_d(DL(m),DL(mb)); |
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if ( !ndl_equal(DL(ma),DL(mb)) ) |
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break; |
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NEXTMP(mp0,mp); mp->c = (P)CQ(m); mp->dl = alg; |
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} |
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NEXT(mp) = 0; |
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MKDP(nd_nalg,mp0,nm); |
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MKDAlg(nm,ONE,cd); |
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if ( is_lc == 1 ) { |
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/* if the lc is a rational number, we have nothing to do */ |
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if ( !mp0->dl->td ) |
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return 1; |
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get_eg(&eg0); |
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invdalg(cd,&inv); |
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get_eg(&eg1); add_eg(&eg_invdalg,&eg0,&eg1); |
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/* check the validity of inv */ |
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if ( mod && !rem(NM(inv->dn),mod) ) |
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return 0; |
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CA(ma) = nf->one; |
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is_lc = 0; |
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ln = ONEN; |
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} else { |
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muldalg(cd,inv,&CA(ma)); |
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lcmn(ln,NM(CA(ma)->dn),&ln); |
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} |
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if ( m ) { |
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NEXT(ma) = mb; ma = mb; |
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} else { |
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NEXT(ma) = 0; |
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break; |
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} |
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} |
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/* l = lcm(denoms) */ |
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NTOQ(ln,1,l); |
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for ( mr0 = 0, m = ma0; m; m = NEXT(m) ) { |
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divq(l,CA(m)->dn,&mul); |
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for ( mp = BDY(CA(m)->nm); mp; mp = NEXT(mp) ) { |
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NEXTNM(mr0,mr); |
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mulq((Q)mp->c,mul,&CQ(mr)); |
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dl = mp->dl; |
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td = TD(DL(m)); |
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ndl_copy(DL(m),DL(mr)); |
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for ( i = 0; i < nd_nalg; i++ ) { |
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e = dl->d[i]; |
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PUT_EXP(DL(mr),i+nd_ntrans,e); |
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td += MUL_WEIGHT(e,i+nd_ntrans); |
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} |
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TD(DL(mr)) = td; |
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if ( nd_blockmask) ndl_weight_mask(DL(mr)); |
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} |
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} |
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NEXT(mr) = 0; |
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for ( len = 0, mr = mr0; mr; mr = NEXT(mr), len++ ); |
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MKND(NV(*p),mr0,len,r); |
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/* XXX */ |
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SG(r) = SG(*p); |
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nd_free(*p); |
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*p = r; |
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return 1; |
} |
} |