=================================================================== RCS file: /home/cvs/OpenXM_contrib2/asir2000/engine/nd.c,v retrieving revision 1.30 retrieving revision 1.37 diff -u -p -r1.30 -r1.37 --- OpenXM_contrib2/asir2000/engine/nd.c 2003/08/12 09:07:19 1.30 +++ OpenXM_contrib2/asir2000/engine/nd.c 2003/08/20 08:38:20 1.37 @@ -1,4 +1,4 @@ -/* $OpenXM: OpenXM_contrib2/asir2000/engine/nd.c,v 1.29 2003/08/11 07:37:08 noro Exp $ */ +/* $OpenXM: OpenXM_contrib2/asir2000/engine/nd.c,v 1.36 2003/08/20 07:55:45 noro Exp $ */ #include "ca.h" #include "inline.h" @@ -18,20 +18,20 @@ typedef struct oPGeoBucket { int m; struct oND *body[32]; - int len[32]; } *PGeoBucket; typedef struct oND { struct oNM *body; int nv; + int len; int sugar; } *ND; typedef struct oNDV { struct oNMV *body; int nv; - int sugar; int len; + int sugar; } *NDV; typedef struct oNM { @@ -40,7 +40,6 @@ typedef struct oNM { int m; Q z; } c; - int td; unsigned int dl[1]; } *NM; @@ -49,28 +48,29 @@ typedef struct oNMV { int m; Q z; } c; - int td; unsigned int dl[1]; } *NMV; typedef struct oRHist { struct oRHist *next; int index; - int td,sugar; + int sugar; unsigned int dl[1]; } *RHist; typedef struct oND_pairs { struct oND_pairs *next; int i1,i2; - int td,sugar; + int sugar; unsigned int lcm[1]; } *ND_pairs; +int (*nd_compare_function)(unsigned int *a1,unsigned int *a2); + double nd_scale=2; static unsigned int **nd_bound; int nd_nvar; -int is_rlex; +int nd_isrlex; int nd_epw,nd_bpe,nd_wpd; unsigned int nd_mask[32]; unsigned int nd_mask0,nd_mask1; @@ -81,7 +81,6 @@ ND_pairs _ndp_free_list; static NDV *nd_ps; static NDV *nd_psq; -int *nd_psl; RHist *nd_psh; int nd_psn,nd_pslen; @@ -91,26 +90,41 @@ int nd_red_len; int nd_found,nd_create,nd_notfirst; int nm_adv; int nmv_adv; +int nd_dcomp; -extern int Top,Reverse; +extern int Top,Reverse,dp_nelim; -#define HTD(d) ((d)->body->td) +#define TD(d) (d[0]) #define HDL(d) ((d)->body->dl) +#define HTD(d) (TD(HDL(d))) #define HCM(d) ((d)->body->c.m) #define HCQ(d) ((d)->body->c.z) #define CM(a) ((a)->c.m) #define CQ(a) ((a)->c.z) #define DL(a) ((a)->dl) -#define TD(a) ((a)->td) #define SG(a) ((a)->sugar) #define LEN(a) ((a)->len) +#define LCM(a) ((a)->lcm) +#define TD_DL_COMPARE(d1,d2)\ +(TD(d1)>TD(d2)?1:(TD(d1)nv=(n); BDY(d)=(m) +((r)=(RHist)MALLOC(sizeof(struct oRHist)+nd_wpd*sizeof(unsigned int))) +#define NEWND_pairs(m) \ +if(!_ndp_free_list)_NDP_alloc();\ +(m)=_ndp_free_list; _ndp_free_list = NEXT(_ndp_free_list) +#define NEWNM(m)\ +if(!_nm_free_list)_NM_alloc();\ +(m)=_nm_free_list; _nm_free_list = NEXT(_nm_free_list) +#define MKND(n,m,len,d)\ +if(!_nd_free_list)_ND_alloc();\ +(d)=_nd_free_list; _nd_free_list = (ND)BDY(_nd_free_list);\ +NV(d)=(n); LEN(d)=(len); BDY(d)=(m) #define NEXTRHist(r,c) \ if(!(r)){NEWRHist(r);(c)=(r);}else{NEWRHist(NEXT(c));(c)=NEXT(c);} @@ -118,6 +132,7 @@ if(!(r)){NEWRHist(r);(c)=(r);}else{NEWRHist(NEXT(c));( if(!(r)){NEWNM(r);(c)=(r);}else{NEWNM(NEXT(c));(c)=NEXT(c);} #define NEXTNM2(r,c,s) \ if(!(r)){(c)=(r)=(s);}else{NEXT(c)=(s);(c)=(s);} + #define FREENM(m) NEXT(m)=_nm_free_list; _nm_free_list=(m) #define FREENDP(m) NEXT(m)=_ndp_free_list; _ndp_free_list=(m) #define FREEND(m) BDY(m)=(NM)_nd_free_list; _nd_free_list=(m) @@ -125,6 +140,7 @@ if(!(r)){(c)=(r)=(s);}else{NEXT(c)=(s);(c)=(s);} #define NEXTND_pairs(r,c) \ if(!(r)){NEWND_pairs(r);(c)=(r);}else{NEWND_pairs(NEXT(c));(c)=NEXT(c);} +void nd_init_ord(struct order_spec *spec); int nd_check_candidate(NODE input,NODE cand); void nd_removecont(int mod,ND p); void nd_removecont2(ND p1,ND p2); @@ -135,7 +151,7 @@ void nd_mul_c_q(ND p,Q mul); ND normalize_pbucket(int mod,PGeoBucket g); int head_pbucket(int mod,PGeoBucket g); int head_pbucket_q(PGeoBucket g); -void add_pbucket(int mod,PGeoBucket g,ND d,int l); +void add_pbucket(int mod,PGeoBucket g,ND d); void free_pbucket(PGeoBucket b); void mulq_pbucket(PGeoBucket g,Q c); PGeoBucket create_pbucket(); @@ -167,11 +183,9 @@ void nd_free_private_storage(); void _NM_alloc(); void _ND_alloc(); int ndl_td(unsigned int *d); -int ndl_dehomogenize(unsigned int *p); -ND nd_add(int mod,ND p1,ND p2,int *cancel); -ND nd_add_q(ND p1,ND p2,int *cancel); -ND nd_mul_nm(int mod,ND p,NM m0); -ND nd_mul_ind_nm(int mod,int index,NM m0); +void ndl_dehomogenize(unsigned int *p); +ND nd_add(int mod,ND p1,ND p2); +ND nd_add_q(ND p1,ND p2); int nd_sp(int mod,ND_pairs p,ND *nf); int nd_find_reducer(ND g); int nd_find_reducer_direct(ND g,NDV *ps,int len); @@ -195,7 +209,7 @@ void ndp_print(ND_pairs d); int nd_length(ND p); void nd_mul_c(int mod,ND p,int mul); void nd_free_redlist(); -void nd_append_red(unsigned int *d,int td,int i); +void nd_append_red(unsigned int *d,int i); unsigned int *nd_compute_bound(ND p); unsigned int *dp_compute_bound(DP p); ND_pairs nd_reconstruct(int mod,int trace,ND_pairs ndp); @@ -233,7 +247,7 @@ void _NM_alloc() int i; for ( i = 0; i < 1024; i++ ) { - p = (NM)GC_malloc(sizeof(struct oNM)+(nd_wpd-1)*sizeof(unsigned int)); + p = (NM)GC_malloc(sizeof(struct oNM)+nd_wpd*sizeof(unsigned int)); p->next = _nm_free_list; _nm_free_list = p; } } @@ -256,7 +270,7 @@ void _NDP_alloc() for ( i = 0; i < 1024; i++ ) { p = (ND_pairs)GC_malloc(sizeof(struct oND_pairs) - +(nd_wpd-1)*sizeof(unsigned int)); + +nd_wpd*sizeof(unsigned int)); p->next = _ndp_free_list; _ndp_free_list = p; } } @@ -279,9 +293,10 @@ INLINE int ndl_reducible(unsigned int *d1,unsigned int unsigned int u1,u2; int i,j; + if ( TD(d1) < TD(d2) ) return 0; switch ( nd_bpe ) { case 4: - for ( i = 0; i < nd_wpd; i++ ) { + for ( i = 1; i <= nd_wpd; i++ ) { u1 = d1[i]; u2 = d2[i]; if ( (u1&0xf0000000) < (u2&0xf0000000) ) return 0; if ( (u1&0xf000000) < (u2&0xf000000) ) return 0; @@ -295,7 +310,7 @@ INLINE int ndl_reducible(unsigned int *d1,unsigned int return 1; break; case 6: - for ( i = 0; i < nd_wpd; i++ ) { + for ( i = 1; i <= nd_wpd; i++ ) { u1 = d1[i]; u2 = d2[i]; if ( (u1&0x3f000000) < (u2&0x3f000000) ) return 0; if ( (u1&0xfc0000) < (u2&0xfc0000) ) return 0; @@ -306,7 +321,7 @@ INLINE int ndl_reducible(unsigned int *d1,unsigned int return 1; break; case 8: - for ( i = 0; i < nd_wpd; i++ ) { + for ( i = 1; i <= nd_wpd; i++ ) { u1 = d1[i]; u2 = d2[i]; if ( (u1&0xff000000) < (u2&0xff000000) ) return 0; if ( (u1&0xff0000) < (u2&0xff0000) ) return 0; @@ -316,7 +331,7 @@ INLINE int ndl_reducible(unsigned int *d1,unsigned int return 1; break; case 16: - for ( i = 0; i < nd_wpd; i++ ) { + for ( i = 1; i <= nd_wpd; i++ ) { u1 = d1[i]; u2 = d2[i]; if ( (u1&0xffff0000) < (u2&0xffff0000) ) return 0; if ( (u1&0xffff) < (u2&0xffff) ) return 0; @@ -324,12 +339,12 @@ INLINE int ndl_reducible(unsigned int *d1,unsigned int return 1; break; case 32: - for ( i = 0; i < nd_wpd; i++ ) + for ( i = 1; i <= nd_wpd; i++ ) if ( d1[i] < d2[i] ) return 0; return 1; break; default: - for ( i = 0; i < nd_wpd; i++ ) { + for ( i = 1; i <= nd_wpd; i++ ) { u1 = d1[i]; u2 = d2[i]; for ( j = 0; j < nd_epw; j++ ) if ( (u1&nd_mask[j]) < (u2&nd_mask[j]) ) return 0; @@ -338,33 +353,31 @@ INLINE int ndl_reducible(unsigned int *d1,unsigned int } } -/* returns the exponent of homo variable */ - -int ndl_dehomogenize(unsigned int *d) +void ndl_dehomogenize(unsigned int *d) { unsigned int mask; unsigned int h; - int i; + int i,bits; - if ( is_rlex ) { + if ( nd_isrlex ) { if ( nd_bpe == 32 ) { - h = d[0]; - for ( i = 1; i < nd_wpd; i++ ) + h = d[1]; + for ( i = 2; i <= nd_wpd; i++ ) d[i-1] = d[i]; d[i-1] = 0; - return h; + TD(d) -= h; } else { - mask = (1<<(nd_epw*nd_bpe))-1; - h = (d[0]>>((nd_epw-1)*nd_bpe))&nd_mask0; - for ( i = 0; i < nd_wpd; i++ ) + bits = nd_epw*nd_bpe; + mask = bits==32?0xffffffff:((1<<(nd_epw*nd_bpe))-1); + h = (d[1]>>((nd_epw-1)*nd_bpe))&nd_mask0; + for ( i = 1; i <= nd_wpd; i++ ) d[i] = ((d[i]<>((nd_epw-1)*nd_bpe))&nd_mask0):0); - return h; + |(i+1<=nd_wpd?((d[i+1]>>((nd_epw-1)*nd_bpe))&nd_mask0):0); + TD(d) -= h; } - } else { - /* do nothing */ - return d[nd_wpd-1]; - } + } else + TD(d) -= ((d[(nd_nvar-1)/nd_epw+1]>> + ((nd_epw-((nd_nvar-1)%nd_epw)-1)*nd_bpe))&((1<t2?t1:t2; t1 = (u1&0xf000000); t2 = (u2&0xf000000); u |= t1>t2?t1:t2; @@ -388,7 +401,7 @@ void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in } break; case 6: - for ( i = 0; i < nd_wpd; i++ ) { + for ( i = 1; i <= nd_wpd; i++ ) { u1 = d1[i]; u2 = d2[i]; t1 = (u1&0x3f000000); t2 = (u2&0x3f000000); u = t1>t2?t1:t2; t1 = (u1&0xfc0000); t2 = (u2&0xfc0000); u |= t1>t2?t1:t2; @@ -399,7 +412,7 @@ void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in } break; case 8: - for ( i = 0; i < nd_wpd; i++ ) { + for ( i = 1; i <= nd_wpd; i++ ) { u1 = d1[i]; u2 = d2[i]; t1 = (u1&0xff000000); t2 = (u2&0xff000000); u = t1>t2?t1:t2; t1 = (u1&0xff0000); t2 = (u2&0xff0000); u |= t1>t2?t1:t2; @@ -409,7 +422,7 @@ void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in } break; case 16: - for ( i = 0; i < nd_wpd; i++ ) { + for ( i = 1; i <= nd_wpd; i++ ) { u1 = d1[i]; u2 = d2[i]; t1 = (u1&0xffff0000); t2 = (u2&0xffff0000); u = t1>t2?t1:t2; t1 = (u1&0xffff); t2 = (u2&0xffff); u |= t1>t2?t1:t2; @@ -417,13 +430,13 @@ void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in } break; case 32: - for ( i = 0; i < nd_wpd; i++ ) { + for ( i = 1; i <= nd_wpd; i++ ) { u1 = d1[i]; u2 = d2[i]; d[i] = u1>u2?u1:u2; } break; default: - for ( i = 0; i < nd_wpd; i++ ) { + for ( i = 1; i <= nd_wpd; i++ ) { u1 = d1[i]; u2 = d2[i]; for ( j = 0, u = 0; j < nd_epw; j++ ) { t1 = (u1&nd_mask[j]); t2 = (u2&nd_mask[j]); u |= t1>t2?t1:t2; @@ -432,6 +445,7 @@ void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in } break; } + TD(d) = ndl_td(d); } int ndl_td(unsigned int *d) @@ -439,7 +453,7 @@ int ndl_td(unsigned int *d) unsigned int t,u; int i,j; - for ( t = 0, i = 0; i < nd_wpd; i++ ) { + for ( t = 0, i = 1; i <= nd_wpd; i++ ) { u = d[i]; for ( j = 0; j < nd_epw; j++, u>>=nd_bpe ) t += (u&nd_mask0); @@ -447,15 +461,15 @@ int ndl_td(unsigned int *d) return t; } -INLINE int ndl_compare(unsigned int *d1,unsigned int *d2) +INLINE int ndl_lex_compare(unsigned int *d1,unsigned int *d2) { int i; for ( i = 0; i < nd_wpd; i++, d1++, d2++ ) if ( *d1 > *d2 ) - return is_rlex ? -1 : 1; + return nd_isrlex ? -1 : 1; else if ( *d1 < *d2 ) - return is_rlex ? 1 : -1; + return nd_isrlex ? 1 : -1; return 0; } @@ -463,8 +477,9 @@ INLINE int ndl_equal(unsigned int *d1,unsigned int *d2 { int i; - for ( i = 0; i < nd_wpd; i++ ) - if ( d1[i] != d2[i] ) + if ( *d1++ != *d2++ ) return 0; + for ( i = 1; i <= nd_wpd; i++ ) + if ( *d1++ != *d2++ ) return 0; return 1; } @@ -475,14 +490,16 @@ INLINE void ndl_copy(unsigned int *d1,unsigned int *d2 switch ( nd_wpd ) { case 1: - d2[0] = d1[0]; + TD(d2) = TD(d1); + d2[1] = d1[1]; break; case 2: - d2[0] = d1[0]; + TD(d2) = TD(d1); d2[1] = d1[1]; + d2[2] = d1[2]; break; default: - for ( i = 0; i < nd_wpd; i++ ) + for ( i = 0; i <= nd_wpd; i++ ) d2[i] = d1[i]; break; } @@ -492,45 +509,27 @@ INLINE void ndl_add(unsigned int *d1,unsigned int *d2, { int i; + TD(d) = TD(d1)+TD(d2); switch ( nd_wpd ) { case 1: - d[0] = d1[0]+d2[0]; + d[1] = d1[1]+d2[1]; break; case 2: - d[0] = d1[0]+d2[0]; d[1] = d1[1]+d2[1]; + d[2] = d1[2]+d2[2]; break; default: - for ( i = 0; i < nd_wpd; i++ ) + for ( i = 1; i <= nd_wpd; i++ ) d[i] = d1[i]+d2[i]; break; } } -INLINE void ndl_add2(unsigned int *d1,unsigned int *d2) +INLINE void ndl_sub(unsigned int *d1,unsigned int *d2,unsigned int *d) { int i; - switch ( nd_wpd ) { - case 1: - d2[0] += d1[0]; - break; - case 2: - d2[0] += d1[0]; - d2[1] += d1[1]; - break; - default: - for ( i = 0; i < nd_wpd; i++ ) - d2[i] += d1[i]; - break; - } -} - -void ndl_sub(unsigned int *d1,unsigned int *d2,unsigned int *d) -{ - int i; - - for ( i = 0; i < nd_wpd; i++ ) + for ( i = 0; i <= nd_wpd; i++ ) d[i] = d1[i]-d2[i]; } @@ -541,7 +540,7 @@ int ndl_disjoint(unsigned int *d1,unsigned int *d2) switch ( nd_bpe ) { case 4: - for ( i = 0; i < nd_wpd; i++ ) { + for ( i = 1; i <= nd_wpd; i++ ) { u1 = d1[i]; u2 = d2[i]; t1 = u1&0xf0000000; t2 = u2&0xf0000000; if ( t1&&t2 ) return 0; t1 = u1&0xf000000; t2 = u2&0xf000000; if ( t1&&t2 ) return 0; @@ -555,7 +554,7 @@ int ndl_disjoint(unsigned int *d1,unsigned int *d2) return 1; break; case 6: - for ( i = 0; i < nd_wpd; i++ ) { + for ( i = 1; i <= nd_wpd; i++ ) { u1 = d1[i]; u2 = d2[i]; t1 = u1&0x3f000000; t2 = u2&0x3f000000; if ( t1&&t2 ) return 0; t1 = u1&0xfc0000; t2 = u2&0xfc0000; if ( t1&&t2 ) return 0; @@ -566,7 +565,7 @@ int ndl_disjoint(unsigned int *d1,unsigned int *d2) return 1; break; case 8: - for ( i = 0; i < nd_wpd; i++ ) { + for ( i = 1; i <= nd_wpd; i++ ) { u1 = d1[i]; u2 = d2[i]; t1 = u1&0xff000000; t2 = u2&0xff000000; if ( t1&&t2 ) return 0; t1 = u1&0xff0000; t2 = u2&0xff0000; if ( t1&&t2 ) return 0; @@ -576,7 +575,7 @@ int ndl_disjoint(unsigned int *d1,unsigned int *d2) return 1; break; case 16: - for ( i = 0; i < nd_wpd; i++ ) { + for ( i = 1; i <= nd_wpd; i++ ) { u1 = d1[i]; u2 = d2[i]; t1 = u1&0xffff0000; t2 = u2&0xffff0000; if ( t1&&t2 ) return 0; t1 = u1&0xffff; t2 = u2&0xffff; if ( t1&&t2 ) return 0; @@ -584,12 +583,12 @@ int ndl_disjoint(unsigned int *d1,unsigned int *d2) return 1; break; case 32: - for ( i = 0; i < nd_wpd; i++ ) + for ( i = 1; i <= nd_wpd; i++ ) if ( d1[i] && d2[i] ) return 0; return 1; break; default: - for ( i = 0; i < nd_wpd; i++ ) { + for ( i = 1; i <= nd_wpd; i++ ) { u1 = d1[i]; u2 = d2[i]; for ( j = 0; j < nd_epw; j++ ) { if ( (u1&nd_mask0) && (u2&nd_mask0) ) return 0; @@ -611,7 +610,7 @@ int ndl_check_bound2(int index,unsigned int *d2) ind = 0; switch ( nd_bpe ) { case 4: - for ( i = 0; i < nd_wpd; i++ ) { + for ( i = 1; i <= nd_wpd; i++ ) { u2 = d2[i]; if ( d1[ind++]+((u2>>28)&0xf) >= 0x10 ) return 1; if ( d1[ind++]+((u2>>24)&0xf) >= 0x10 ) return 1; @@ -625,7 +624,7 @@ int ndl_check_bound2(int index,unsigned int *d2) return 0; break; case 6: - for ( i = 0; i < nd_wpd; i++ ) { + for ( i = 1; i <= nd_wpd; i++ ) { u2 = d2[i]; if ( d1[ind++]+((u2>>24)&0x3f) >= 0x40 ) return 1; if ( d1[ind++]+((u2>>18)&0x3f) >= 0x40 ) return 1; @@ -636,7 +635,7 @@ int ndl_check_bound2(int index,unsigned int *d2) return 0; break; case 8: - for ( i = 0; i < nd_wpd; i++ ) { + for ( i = 1; i <= nd_wpd; i++ ) { u2 = d2[i]; if ( d1[ind++]+((u2>>24)&0xff) >= 0x100 ) return 1; if ( d1[ind++]+((u2>>16)&0xff) >= 0x100 ) return 1; @@ -646,7 +645,7 @@ int ndl_check_bound2(int index,unsigned int *d2) return 0; break; case 16: - for ( i = 0; i < nd_wpd; i++ ) { + for ( i = 1; i <= nd_wpd; i++ ) { u2 = d2[i]; if ( d1[ind++]+((u2>>16)&0xffff) > 0x10000 ) return 1; if ( d1[ind++]+(u2&0xffff) > 0x10000 ) return 1; @@ -654,12 +653,12 @@ int ndl_check_bound2(int index,unsigned int *d2) return 0; break; case 32: - for ( i = 0; i < nd_wpd; i++ ) + for ( i = 1; i <= nd_wpd; i++ ) if ( d1[i]+d2[i]>28)&0xf)+((u2>>28)&0xf) >= 0x10 ) return 1; if ( ((u1>>24)&0xf)+((u2>>24)&0xf) >= 0x10 ) return 1; @@ -691,7 +690,7 @@ int ndl_check_bound2_direct(unsigned int *d1,unsigned return 0; break; case 6: - for ( i = 0; i < nd_wpd; i++ ) { + for ( i = 1; i <= nd_wpd; i++ ) { u1 = d1[i]; u2 = d2[i]; if ( ((u1>>24)&0x3f)+((u2>>24)&0x3f) >= 0x40 ) return 1; if ( ((u1>>18)&0x3f)+((u2>>18)&0x3f) >= 0x40 ) return 1; @@ -702,7 +701,7 @@ int ndl_check_bound2_direct(unsigned int *d1,unsigned return 0; break; case 8: - for ( i = 0; i < nd_wpd; i++ ) { + for ( i = 1; i <= nd_wpd; i++ ) { u1 = d1[i]; u2 = d2[i]; if ( ((u1>>24)&0xff)+((u2>>24)&0xff) >= 0x100 ) return 1; if ( ((u1>>16)&0xff)+((u2>>16)&0xff) >= 0x100 ) return 1; @@ -712,7 +711,7 @@ int ndl_check_bound2_direct(unsigned int *d1,unsigned return 0; break; case 16: - for ( i = 0; i < nd_wpd; i++ ) { + for ( i = 1; i <= nd_wpd; i++ ) { u1 = d1[i]; u2 = d2[i]; if ( ((u1>>16)&0xffff)+((u2>>16)&0xffff) > 0x10000 ) return 1; if ( (u2&0xffff)+(u2&0xffff) > 0x10000 ) return 1; @@ -720,12 +719,12 @@ int ndl_check_bound2_direct(unsigned int *d1,unsigned return 0; break; case 32: - for ( i = 0; i < nd_wpd; i++ ) + for ( i = 1; i <= nd_wpd; i++ ) if ( d1[i]+d2[i] 0 ) nd_notfirst++; nd_found++; return r->index; @@ -764,18 +765,18 @@ INLINE int nd_find_reducer(ND g) if ( Reverse ) for ( i = nd_psn-1; i >= 0; i-- ) { r = nd_psh[i]; - if ( HTD(g) >= TD(r) && ndl_reducible(HDL(g),DL(r)) ) { + if ( ndl_reducible(dg,DL(r)) ) { nd_create++; - nd_append_red(HDL(g),HTD(g),i); + nd_append_red(dg,i); return i; } } else for ( i = 0; i < nd_psn; i++ ) { r = nd_psh[i]; - if ( HTD(g) >= TD(r) && ndl_reducible(HDL(g),DL(r)) ) { + if ( ndl_reducible(dg,DL(r)) ) { nd_create++; - nd_append_red(HDL(g),HTD(g),i); + nd_append_red(dg,i); return i; } } @@ -784,64 +785,52 @@ INLINE int nd_find_reducer(ND g) INLINE int nd_find_reducer_direct(ND g,NDV *ps,int len) { - int i; NDV r; + RHist s; + int d,k,i; if ( Reverse ) for ( i = len-1; i >= 0; i-- ) { r = ps[i]; - if ( HTD(g) >= HTD(r) && ndl_reducible(HDL(g),HDL(r)) ) { - nd_append_red(HDL(g),HTD(g),i); + if ( ndl_reducible(HDL(g),HDL(r)) ) { + nd_append_red(HDL(g),i); return i; } } else for ( i = 0; i < len; i++ ) { r = ps[i]; - if ( HTD(g) >= HTD(r) && ndl_reducible(HDL(g),HDL(r)) ) { - nd_append_red(HDL(g),HTD(g),i); + if ( ndl_reducible(HDL(g),HDL(r)) ) { + nd_append_red(HDL(g),i); return i; } } return -1; } -ND nd_add(int mod,ND p1,ND p2,int *cancel) +ND nd_add(int mod,ND p1,ND p2) { int n,c; - int t,can; + int t,can,td1,td2; ND r; NM m1,m2,mr0,mr,s; - if ( !p1 ) { - *cancel = 0; - return p2; - } else if ( !p2 ) { - *cancel = 0; - return p1; - } else if ( !mod ) - return nd_add_q(p1,p2,cancel); + if ( !p1 ) return p2; + else if ( !p2 ) return p1; + else if ( !mod ) return nd_add_q(p1,p2); else { can = 0; for ( n = NV(p1), m1 = BDY(p1), m2 = BDY(p2), mr0 = 0; m1 && m2; ) { - if ( TD(m1) > TD(m2) ) - c = 1; - else if ( TD(m1) < TD(m2) ) - c = -1; - else - c = ndl_compare(DL(m1),DL(m2)); + c = DL_COMPARE(DL(m1),DL(m2)); switch ( c ) { case 0: t = ((CM(m1))+(CM(m2))) - mod; - if ( t < 0 ) - t += mod; + if ( t < 0 ) t += mod; s = m1; m1 = NEXT(m1); if ( t ) { - can++; - NEXTNM2(mr0,mr,s); CM(mr) = (t); + can++; NEXTNM2(mr0,mr,s); CM(mr) = (t); } else { - can += 2; - FREENM(s); + can += 2; FREENM(s); } s = m2; m2 = NEXT(m2); FREENM(s); break; @@ -853,59 +842,42 @@ ND nd_add(int mod,ND p1,ND p2,int *cancel) break; } } - *cancel = can; if ( !mr0 ) - if ( m1 ) - mr0 = m1; - else if ( m2 ) - mr0 = m2; - else - return 0; - else if ( m1 ) - NEXT(mr) = m1; - else if ( m2 ) - NEXT(mr) = m2; - else - NEXT(mr) = 0; + if ( m1 ) mr0 = m1; + else if ( m2 ) mr0 = m2; + else return 0; + else if ( m1 ) NEXT(mr) = m1; + else if ( m2 ) NEXT(mr) = m2; + else NEXT(mr) = 0; BDY(p1) = mr0; SG(p1) = MAX(SG(p1),SG(p2)); + LEN(p1) = LEN(p1)+LEN(p2)-can; FREEND(p2); return p1; } } -ND nd_add_q(ND p1,ND p2,int *cancel) +ND nd_add_q(ND p1,ND p2) { int n,c,can; ND r; NM m1,m2,mr0,mr,s; Q t; - if ( !p1 ) { - *cancel = 0; - return p2; - } else if ( !p2 ) { - *cancel = 0; - return p1; - } else { + if ( !p1 ) return p2; + else if ( !p2 ) return p1; + else { can = 0; for ( n = NV(p1), m1 = BDY(p1), m2 = BDY(p2), mr0 = 0; m1 && m2; ) { - if ( TD(m1) > TD(m2) ) - c = 1; - else if ( TD(m1) < TD(m2) ) - c = -1; - else - c = ndl_compare(DL(m1),DL(m2)); + c = DL_COMPARE(DL(m1),DL(m2)); switch ( c ) { case 0: addq(CQ(m1),CQ(m2),&t); s = m1; m1 = NEXT(m1); if ( t ) { - can++; - NEXTNM2(mr0,mr,s); CQ(mr) = (t); + can++; NEXTNM2(mr0,mr,s); CQ(mr) = (t); } else { - can += 2; - FREENM(s); + can += 2; FREENM(s); } s = m2; m2 = NEXT(m2); FREENM(s); break; @@ -917,22 +889,16 @@ ND nd_add_q(ND p1,ND p2,int *cancel) break; } } - *cancel = can; if ( !mr0 ) - if ( m1 ) - mr0 = m1; - else if ( m2 ) - mr0 = m2; - else - return 0; - else if ( m1 ) - NEXT(mr) = m1; - else if ( m2 ) - NEXT(mr) = m2; - else - NEXT(mr) = 0; + if ( m1 ) mr0 = m1; + else if ( m2 ) mr0 = m2; + else return 0; + else if ( m1 ) NEXT(mr) = m1; + else if ( m2 ) NEXT(mr) = m2; + else NEXT(mr) = 0; BDY(p1) = mr0; SG(p1) = MAX(SG(p1),SG(p2)); + LEN(p1) = LEN(p1)+LEN(p2)-can; FREEND(p2); return p1; } @@ -955,23 +921,16 @@ int nd_nf(int mod,ND g,int full,ND *rp) *rp = 0; return 1; } - if ( !mod ) - hmag = ((double)p_mag((P)HCQ(g)))*nd_scale; + if ( !mod ) hmag = ((double)p_mag((P)HCQ(g)))*nd_scale; sugar0 = sugar = SG(g); n = NV(g); - mul = (NM)ALLOCA(sizeof(struct oNM)+(nd_wpd-1)*sizeof(unsigned int)); + mul = (NM)ALLOCA(sizeof(struct oNM)+nd_wpd*sizeof(unsigned int)); for ( d = 0; g; ) { index = nd_find_reducer(g); if ( index >= 0 ) { h = nd_psh[index]; ndl_sub(HDL(g),DL(h),DL(mul)); - TD(mul) = HTD(g)-TD(h); -#if 0 - if ( d && (SG(p)+TD(mul)) > sugar ) { - goto afo; - } -#endif if ( ndl_check_bound2(index,DL(mul)) ) { nd_free(g); nd_free(d); return 0; @@ -986,8 +945,8 @@ int nd_nf(int mod,ND g,int full,ND *rp) chsgnq(cg,&CQ(mul)); nd_mul_c_q(d,cred); nd_mul_c_q(g,cred); } - g = nd_add(mod,g,ndv_mul_nm(mod,p,mul),&dummy); - sugar = MAX(sugar,SG(p)+TD(mul)); + g = nd_add(mod,g,ndv_mul_nm(mod,p,mul)); + sugar = MAX(sugar,SG(p)+TD(DL(mul))); if ( !mod && hmag && g && ((double)(p_mag((P)HCQ(g))) > hmag) ) { nd_removecont2(d,g); hmag = ((double)p_mag((P)HCQ(g)))*nd_scale; @@ -996,24 +955,20 @@ int nd_nf(int mod,ND g,int full,ND *rp) *rp = g; return 1; } else { -afo: m = BDY(g); if ( NEXT(m) ) { - BDY(g) = NEXT(m); NEXT(m) = 0; + BDY(g) = NEXT(m); NEXT(m) = 0; LEN(g)--; } else { FREEND(g); g = 0; } if ( d ) { - NEXT(tail)=m; - tail=m; + NEXT(tail)=m; tail=m; LEN(d)++; } else { - MKND(n,m,d); - tail = BDY(d); + MKND(n,m,1,d); tail = BDY(d); } } } - if ( d ) - SG(d) = sugar; + if ( d ) SG(d) = sugar; *rp = d; return 1; } @@ -1024,7 +979,7 @@ int nd_nf_pbucket(int mod,ND g,int full,ND *rp) NDV p; ND u,d,red; NODE l; - NM mul,m,mrd; + NM mul,m,mrd,tail; int sugar,psugar,n,h_reducible; PGeoBucket bucket; int c,c1,c2; @@ -1038,17 +993,15 @@ int nd_nf_pbucket(int mod,ND g,int full,ND *rp) } sugar = SG(g); n = NV(g); - if ( !mod ) - hmag = ((double)p_mag((P)HCQ(g)))*nd_scale; + if ( !mod ) hmag = ((double)p_mag((P)HCQ(g)))*nd_scale; bucket = create_pbucket(); - add_pbucket(mod,bucket,g,nd_length(g)); + add_pbucket(mod,bucket,g); d = 0; - mul = (NM)ALLOCA(sizeof(struct oNM)+(nd_wpd-1)*sizeof(unsigned int)); + mul = (NM)ALLOCA(sizeof(struct oNM)+nd_wpd*sizeof(unsigned int)); while ( 1 ) { hindex = mod?head_pbucket(mod,bucket):head_pbucket_q(bucket); if ( hindex < 0 ) { - if ( d ) - SG(d) = sugar; + if ( d ) SG(d) = sugar; *rp = d; return 1; } @@ -1057,7 +1010,6 @@ int nd_nf_pbucket(int mod,ND g,int full,ND *rp) if ( index >= 0 ) { h = nd_psh[index]; ndl_sub(HDL(g),DL(h),DL(mul)); - TD(mul) = HTD(g)-TD(h); if ( ndl_check_bound2(index,DL(mul)) ) { nd_free(d); free_pbucket(bucket); @@ -1079,43 +1031,39 @@ int nd_nf_pbucket(int mod,ND g,int full,ND *rp) } red = ndv_mul_nm(mod,p,mul); bucket->body[hindex] = nd_remove_head(g); - bucket->len[hindex]--; red = nd_remove_head(red); - add_pbucket(mod,bucket,red,LEN(p)-1); - sugar = MAX(sugar,SG(p)+TD(mul)); + add_pbucket(mod,bucket,red); + psugar = SG(p)+TD(DL(mul)); + sugar = MAX(sugar,psugar); if ( !mod && hmag && (gmag > hmag) ) { g = normalize_pbucket(mod,bucket); if ( !g ) { - if ( d ) - SG(d) = sugar; + if ( d ) SG(d) = sugar; *rp = d; return 1; } nd_removecont2(d,g); hmag = ((double)p_mag((P)HCQ(g)))*nd_scale; - add_pbucket(mod,bucket,g,nd_length(g)-1); + add_pbucket(mod,bucket,g); } } else if ( !full ) { g = normalize_pbucket(mod,bucket); - if ( g ) - SG(g) = sugar; + if ( g ) SG(g) = sugar; *rp = g; return 1; } else { m = BDY(g); if ( NEXT(m) ) { - BDY(g) = NEXT(m); NEXT(m) = 0; + BDY(g) = NEXT(m); NEXT(m) = 0; LEN(g)--; } else { FREEND(g); g = 0; } bucket->body[hindex] = g; - bucket->len[hindex]--; NEXT(m) = 0; if ( d ) { - for ( mrd = BDY(d); NEXT(mrd); mrd = NEXT(mrd) ); - NEXT(mrd) = m; + NEXT(tail)=m; tail=m; LEN(d)++; } else { - MKND(n,m,d); + MKND(n,m,1,d); tail = BDY(d); } } } @@ -1127,7 +1075,7 @@ int nd_nf_direct(int mod,ND g,NDV *ps,int len,int full NM m,mrd,tail; NM mul; int n,sugar,psugar,sugar0,stat,index; - int c,c1,c2,dummy; + int c,c1,c2; RHist h; NDV p,red; Q cg,cred,gcd; @@ -1147,13 +1095,12 @@ int nd_nf_direct(int mod,ND g,NDV *ps,int len,int full sugar0 = sugar = SG(g); n = NV(g); - mul = (NM)ALLOCA(sizeof(struct oNM)+(nd_wpd-1)*sizeof(unsigned int)); + mul = (NM)ALLOCA(sizeof(struct oNM)+nd_wpd*sizeof(unsigned int)); for ( d = 0; g; ) { index = nd_find_reducer_direct(g,ps,len); if ( index >= 0 ) { p = ps[index]; ndl_sub(HDL(g),HDL(p),DL(mul)); - TD(mul) = HTD(g)-HTD(p); if ( ndl_check_bound2_direct(HDL(p),DL(mul)) ) { nd_free(g); nd_free(d); return 0; @@ -1166,8 +1113,8 @@ int nd_nf_direct(int mod,ND g,NDV *ps,int len,int full chsgnq(cg,&CQ(mul)); nd_mul_c_q(d,cred); nd_mul_c_q(g,cred); } - g = nd_add(mod,g,ndv_mul_nm(mod,p,mul),&dummy); - sugar = MAX(sugar,SG(p)+TD(mul)); + g = nd_add(mod,g,ndv_mul_nm(mod,p,mul)); + sugar = MAX(sugar,SG(p)+TD(DL(mul))); if ( !mod && hmag && g && ((double)(p_mag((P)HCQ(g))) > hmag) ) { nd_removecont2(d,g); hmag = ((double)p_mag((P)HCQ(g)))*nd_scale; @@ -1178,21 +1125,18 @@ int nd_nf_direct(int mod,ND g,NDV *ps,int len,int full } else { m = BDY(g); if ( NEXT(m) ) { - BDY(g) = NEXT(m); NEXT(m) = 0; + BDY(g) = NEXT(m); NEXT(m) = 0; LEN(g)--; } else { FREEND(g); g = 0; } if ( d ) { - NEXT(tail)=m; - tail=m; + NEXT(tail)=m; tail=m; LEN(d)++; } else { - MKND(n,m,d); - tail = BDY(d); + MKND(n,m,1,d); tail = BDY(d); } } } - if ( d ) - SG(d) = sugar; + if ( d ) SG(d) = sugar; *rp = d; return 1; } @@ -1203,7 +1147,7 @@ int nd_nf_direct_pbucket(int mod,ND g,NDV *ps,int len, NDV p; ND u,d,red; NODE l; - NM mul,m,mrd; + NM mul,m,mrd,tail; int sugar,psugar,n,h_reducible; PGeoBucket bucket; int c,c1,c2; @@ -1225,9 +1169,9 @@ int nd_nf_direct_pbucket(int mod,ND g,NDV *ps,int len, hmag = 0; #endif bucket = create_pbucket(); - add_pbucket(mod,bucket,g,nd_length(g)); + add_pbucket(mod,bucket,g); d = 0; - mul = (NM)ALLOCA(sizeof(struct oNM)+(nd_wpd-1)*sizeof(unsigned int)); + mul = (NM)ALLOCA(sizeof(struct oNM)+nd_wpd*sizeof(unsigned int)); while ( 1 ) { hindex = mod?head_pbucket(mod,bucket):head_pbucket_q(bucket); if ( hindex < 0 ) { @@ -1241,7 +1185,6 @@ int nd_nf_direct_pbucket(int mod,ND g,NDV *ps,int len, if ( index >= 0 ) { p = ps[index]; ndl_sub(HDL(g),HDL(p),DL(mul)); - TD(mul) = HTD(g)-HTD(p); if ( ndl_check_bound2_direct(HDL(p),DL(mul)) ) { nd_free(d); free_pbucket(bucket); @@ -1261,43 +1204,38 @@ int nd_nf_direct_pbucket(int mod,ND g,NDV *ps,int len, } red = ndv_mul_nm(mod,p,mul); bucket->body[hindex] = nd_remove_head(g); - bucket->len[hindex]--; red = nd_remove_head(red); - add_pbucket(mod,bucket,red,LEN(p)-1); - sugar = MAX(sugar,SG(p)+TD(mul)); + add_pbucket(mod,bucket,red); + sugar = MAX(sugar,SG(p)+TD(DL(mul))); if ( !mod && hmag && (gmag > hmag) ) { g = normalize_pbucket(mod,bucket); if ( !g ) { - if ( d ) - SG(d) = sugar; + if ( d ) SG(d) = sugar; *rp = d; return 1; } nd_removecont2(d,g); hmag = ((double)p_mag((P)HCQ(g)))*nd_scale; - add_pbucket(mod,bucket,g,nd_length(g)-1); + add_pbucket(mod,bucket,g); } } else if ( !full ) { g = normalize_pbucket(mod,bucket); - if ( g ) - SG(g) = sugar; + if ( g ) SG(g) = sugar; *rp = g; return 1; } else { m = BDY(g); if ( NEXT(m) ) { - BDY(g) = NEXT(m); NEXT(m) = 0; + BDY(g) = NEXT(m); NEXT(m) = 0; LEN(g)--; } else { FREEND(g); g = 0; } bucket->body[hindex] = g; - bucket->len[hindex]--; NEXT(m) = 0; if ( d ) { - for ( mrd = BDY(d); NEXT(mrd); mrd = NEXT(mrd) ); - NEXT(mrd) = m; + NEXT(tail)=m; tail=m; LEN(d)++; } else { - MKND(n,m,d); + MKND(n,m,1,d); tail = BDY(d); } } } @@ -1312,19 +1250,17 @@ int nd_check_candidate(NODE input,NODE cand) NODE t; nd_setup(0,cand); + n = length(cand); /* membercheck : list is a subset of Id(cand) ? */ for ( t = input; t; t = NEXT(t) ) { d = dptond(0,(DP)BDY(t)); stat = nd_nf_direct(0,d,nd_psq,n,0,&nf); - if ( !stat ) - nd_reconstruct_direct(0,nd_psq,n); - else if ( nf ) - return 0; + if ( !stat ) nd_reconstruct_direct(0,nd_psq,n); + else if ( nf ) return 0; } /* gbcheck : cand is a GB of Id(cand) ? */ - if ( !nd_gb(0,1) ) - return 0; + if ( !nd_gb(0,1) ) return 0; /* XXX */ return 1; } @@ -1335,10 +1271,10 @@ ND nd_remove_head(ND p) m = BDY(p); if ( !NEXT(m) ) { - FREEND(p); - p = 0; - } else - BDY(p) = NEXT(m); + FREEND(p); p = 0; + } else { + BDY(p) = NEXT(m); LEN(p)--; + } FREENM(m); return p; } @@ -1359,27 +1295,25 @@ void free_pbucket(PGeoBucket b) { if ( b->body[i] ) { nd_free(b->body[i]); b->body[i] = 0; - b->len[i] = 0; } GC_free(b); } -void add_pbucket(int mod,PGeoBucket g,ND d,int l) +void add_pbucket(int mod,PGeoBucket g,ND d) { - int i,k,m,cancel; + int l,i,k,m; + if ( !d ) + return; + l = LEN(d); for ( k = 0, m = 1; l > m; k++, m <<= 1 ); /* 2^(k-1) < l <= 2^k (=m) */ - d = nd_add(mod,g->body[k],d,&cancel); - l = g->len[k]+l-cancel; - for ( ; d && l > m; k++, m <<= 1 ) { + d = nd_add(mod,g->body[k],d); + for ( ; d && LEN(d) > m; k++, m <<= 1 ) { g->body[k] = 0; - g->len[k] = 0; - d = nd_add(mod,g->body[k+1],d,&cancel); - l = g->len[k+1]+l-cancel; + d = nd_add(mod,g->body[k+1],d); } g->body[k] = d; - g->len[k] = l; g->m = MAX(g->m,k); } @@ -1391,7 +1325,6 @@ void mulq_pbucket(PGeoBucket g,Q c) nd_mul_c_q(g->body[k],c); } -/* XXX not completed */ int head_pbucket(int mod,PGeoBucket g) { int j,i,c,k,nv,sum; @@ -1410,43 +1343,27 @@ int head_pbucket(int mod,PGeoBucket g) dj = HDL(gj); sum = HCM(gj); } else { - di = HDL(gi); - nv = NV(gi); - if ( HTD(gi) > HTD(gj) ) - c = 1; - else if ( HTD(gi) < HTD(gj) ) - c = -1; - else - c = ndl_compare(di,dj); + c = DL_COMPARE(HDL(gi),dj); if ( c > 0 ) { - if ( sum ) - HCM(gj) = sum; - else { - g->body[j] = nd_remove_head(gj); - g->len[j]--; - } + if ( sum ) HCM(gj) = sum; + else g->body[j] = nd_remove_head(gj); j = i; gj = g->body[j]; dj = HDL(gj); sum = HCM(gj); } else if ( c == 0 ) { sum = sum+HCM(gi)-mod; - if ( sum < 0 ) - sum += mod; + if ( sum < 0 ) sum += mod; g->body[i] = nd_remove_head(gi); - g->len[i]--; } } } - if ( j < 0 ) - return -1; + if ( j < 0 ) return -1; else if ( sum ) { HCM(gj) = sum; return j; - } else { + } else g->body[j] = nd_remove_head(gj); - g->len[j]--; - } } } @@ -1454,70 +1371,51 @@ int head_pbucket_q(PGeoBucket g) { int j,i,c,k,nv; Q sum,t; - unsigned int *di,*dj; ND gi,gj; k = g->m; while ( 1 ) { j = -1; for ( i = 0; i <= k; i++ ) { - if ( !(gi = g->body[i]) ) - continue; + if ( !(gi = g->body[i]) ) continue; if ( j < 0 ) { j = i; gj = g->body[j]; - dj = HDL(gj); sum = HCQ(gj); } else { - di = HDL(gi); nv = NV(gi); - if ( HTD(gi) > HTD(gj) ) - c = 1; - else if ( HTD(gi) < HTD(gj) ) - c = -1; - else - c = ndl_compare(di,dj); + c = DL_COMPARE(HDL(gi),HDL(gj)); if ( c > 0 ) { - if ( sum ) - HCQ(gj) = sum; - else { - g->body[j] = nd_remove_head(gj); - g->len[j]--; - } + if ( sum ) HCQ(gj) = sum; + else g->body[j] = nd_remove_head(gj); j = i; gj = g->body[j]; - dj = HDL(gj); sum = HCQ(gj); } else if ( c == 0 ) { addq(sum,HCQ(gi),&t); sum = t; g->body[i] = nd_remove_head(gi); - g->len[i]--; } } } - if ( j < 0 ) - return -1; + if ( j < 0 ) return -1; else if ( sum ) { HCQ(gj) = sum; return j; - } else { + } else g->body[j] = nd_remove_head(gj); - g->len[j]--; - } } } ND normalize_pbucket(int mod,PGeoBucket g) { - int i,dummy; + int i; ND r,t; r = 0; for ( i = 0; i <= g->m; i++ ) { - r = nd_add(mod,r,g->body[i],&dummy); + r = nd_add(mod,r,g->body[i]); g->body[i] = 0; - g->len[i] = 0; } g->m = -1; return r; @@ -1570,11 +1468,9 @@ again: } } if ( m ) - for ( t = g; t; t = NEXT(t) ) - BDY(t) = (pointer)nd_ps[(int)BDY(t)]; + for ( t = g; t; t = NEXT(t) ) BDY(t) = (pointer)nd_ps[(int)BDY(t)]; else - for ( t = g; t; t = NEXT(t) ) - BDY(t) = (pointer)nd_psq[(int)BDY(t)]; + for ( t = g; t; t = NEXT(t) ) BDY(t) = (pointer)nd_psq[(int)BDY(t)]; return g; } @@ -1636,17 +1532,12 @@ again: int ndv_compare(NDV *p1,NDV *p2) { - int td1,td2; - - td1 = HTD(*p1); td2 = HTD(*p2); - if ( td1 > td2 ) return 1; - else if ( td1 < td2 ) return -1; - else return ndl_compare(HDL(*p1),HDL(*p2)); + return DL_COMPARE(HDL(*p1),HDL(*p2)); } int ndv_compare_rev(NDV *p1,NDV *p2) { - return -ndv_compare(p1,p2); + return -DL_COMPARE(HDL(*p1),HDL(*p2)); } NODE nd_reduceall(int m,NODE f) @@ -1663,10 +1554,8 @@ NODE nd_reduceall(int m,NODE f) qsort(ps,n,sizeof(NDV),(int (*)(const void *,const void *))ndv_compare); w = (NDV *)ALLOCA((n-1)*sizeof(NDV)); for ( i = 0; i < n; i++ ) { - for ( j = 0; j < i; j++ ) - w[j] = (NDV)ps[j]; - for ( j = i+1; j < n; j++ ) - w[j-1] = ps[j]; + for ( j = 0; j < i; j++ ) w[j] = (NDV)ps[j]; + for ( j = i+1; j < n; j++ ) w[j-1] = ps[j]; g = ndvtond(m,ps[i]); stat = nd_nf_direct(m,g,w,n-1,1,&nf); if ( !stat ) @@ -1674,8 +1563,7 @@ NODE nd_reduceall(int m,NODE f) else if ( !nf ) { printf("."); fflush(stdout); ndv_free(ps[i]); - for ( j = i+1; j < n; j++ ) - ps[j-1] = ps[j]; + for ( j = i+1; j < n; j++ ) ps[j-1] = ps[j]; n--; } else { printf("."); fflush(stdout); @@ -1706,23 +1594,18 @@ ND_pairs update_pairs( ND_pairs d, NODE /* of index */ while ( cur ) { if ( crit_2( cur->i1,cur->i2 ) ) { remove = cur; - if ( !prev ) { - head = cur = NEXT(cur); - } else { - cur = NEXT(prev) = NEXT(cur); - } + if ( !prev ) head = cur = NEXT(cur); + else cur = NEXT(prev) = NEXT(cur); FREENDP(remove); } else { - prev = cur; - cur = NEXT(cur); + prev = cur; cur = NEXT(cur); } } if ( !d ) return head; else { nd = d; - while ( NEXT(nd) ) - nd = NEXT(nd); + while ( NEXT(nd) ) nd = NEXT(nd); NEXT(nd) = head; return d; } @@ -1732,20 +1615,18 @@ ND_pairs nd_newpairs( NODE g, int t ) { NODE h; unsigned int *dl; - int td,ts,s; + int ts,s; ND_pairs r,r0; dl = DL(nd_psh[t]); - td = TD(nd_psh[t]); - ts = SG(nd_psh[t]) - td; + ts = SG(nd_psh[t]) - TD(dl); for ( r0 = 0, h = g; h; h = NEXT(h) ) { NEXTND_pairs(r0,r); r->i1 = (int)BDY(h); r->i2 = t; ndl_lcm(DL(nd_psh[r->i1]),dl,r->lcm); - TD(r) = ndl_td(r->lcm); - s = SG(nd_psh[r->i1])-TD(nd_psh[r->i1]); - SG(r) = MAX(s,ts) + TD(r); + s = SG(nd_psh[r->i1])-TD(DL(nd_psh[r->i1])); + SG(r) = MAX(s,ts) + TD(LCM(r)); } NEXT(r) = 0; return r0; @@ -1761,7 +1642,7 @@ ND_pairs crit_B( ND_pairs d, int s ) t = DL(nd_psh[s]); prev = 0; head = cur = d; - lcm = (unsigned int *)ALLOCA(nd_wpd*sizeof(unsigned int)); + lcm = (unsigned int *)ALLOCA((nd_wpd+1)*sizeof(unsigned int)); while ( cur ) { tl = cur->lcm; if ( ndl_reducible(tl,t) @@ -1775,39 +1656,34 @@ ND_pairs crit_B( ND_pairs d, int s ) } FREENDP(remove); } else { - prev = cur; - cur = NEXT(cur); + prev = cur; cur = NEXT(cur); } } return head; } +/* XXX : check is necessary */ + ND_pairs crit_M( ND_pairs d1 ) { ND_pairs e,d2,d3,dd,p; unsigned int *id,*jd; - int itd,jtd; for ( dd = 0, e = d1; e; e = d3 ) { if ( !(d2 = NEXT(e)) ) { NEXT(e) = dd; return e; } - id = e->lcm; - itd = TD(e); + id = LCM(e); for ( d3 = 0; d2; d2 = p ) { - p = NEXT(d2), - jd = d2->lcm; - jtd = TD(d2); - if ( jtd == itd ) - if ( id == jd ); - else if ( ndl_reducible(jd,id) ) continue; - else if ( ndl_reducible(id,jd) ) goto delit; - else ; - else if ( jtd > itd ) + p = NEXT(d2); + jd = LCM(d2); + if ( ndl_equal(jd,id) ) + ; + else if ( TD(jd) > TD(id) ) if ( ndl_reducible(jd,id) ) continue; else ; - else if ( ndl_reducible(id,jd ) ) goto delit; + else if ( ndl_reducible(id,jd) ) goto delit; NEXT(d2) = d3; d3 = d2; } @@ -1878,16 +1754,14 @@ static ND_pairs equivalent_pairs( ND_pairs d1, ND_pair { ND_pairs w,p,r,s; unsigned int *d; - int td; w = d1; - d = w->lcm; - td = TD(w); + d = LCM(w); s = NEXT(w); NEXT(w) = 0; for ( r = 0; s; s = p ) { p = NEXT(s); - if ( td == TD(s) && ndl_equal(d,s->lcm) ) { + if ( ndl_equal(d,LCM(s)) ) { NEXT(s) = w; w = s; } else { @@ -1903,14 +1777,11 @@ NODE update_base(NODE nd,int ndp) { unsigned int *dl, *dln; NODE last, p, head; - int td,tdn; dl = DL(nd_psh[ndp]); - td = TD(nd_psh[ndp]); for ( head = last = 0, p = nd; p; ) { dln = DL(nd_psh[(int)BDY(p)]); - tdn = TD(nd_psh[(int)BDY(p)]); - if ( tdn >= td && ndl_reducible( dln, dl ) ) { + if ( ndl_reducible( dln, dl ) ) { p = NEXT(p); if ( last ) NEXT(last) = p; } else { @@ -1926,45 +1797,21 @@ ND_pairs nd_minp( ND_pairs d, ND_pairs *prest ) { ND_pairs m,ml,p,l; unsigned int *lcm; - int s,td,len,tlen,c; + int s,td,len,tlen,c,c1; if ( !(p = NEXT(m = d)) ) { *prest = p; NEXT(m) = 0; return m; } - lcm = m->lcm; s = SG(m); - td = TD(m); - len = nd_psl[m->i1]+nd_psl[m->i2]; - for ( ml = 0, l = m; p; p = NEXT(l = p) ) { - if (SG(p) < s) - goto find; - else if ( SG(p) == s ) { - if ( TD(p) < td ) - goto find; - else if ( TD(p) == td ) { - c = ndl_compare(p->lcm,lcm); - if ( c < 0 ) - goto find; -#if 0 - else if ( c == 0 ) { - tlen = nd_psl[p->i1]+nd_psl[p->i2]; - if ( tlen < len ) - goto find; - } -#endif - } + for ( ml = 0, l = m; p; p = NEXT(l = p) ) + if ( (SG(p) < s) + || ((SG(p) == s) && (DL_COMPARE(LCM(p),LCM(m)) < 0)) ) { + ml = l; + m = p; + s = SG(m); } - continue; -find: - ml = l; - m = p; - lcm = m->lcm; - s = SG(m); - td = TD(m); - len = tlen; - } if ( !ml ) *prest = NEXT(m); else { NEXT(ml) = NEXT(m); @@ -1982,7 +1829,6 @@ int nd_newps(int mod,ND a) if ( nd_psn == nd_pslen ) { nd_pslen *= 2; - nd_psl = (int *)REALLOC((char *)nd_psl,nd_pslen*sizeof(int)); nd_ps = (NDV *)REALLOC((char *)nd_ps,nd_pslen*sizeof(NDV)); nd_psq = (NDV *)REALLOC((char *)nd_psq,nd_pslen*sizeof(NDV)); nd_psh = (RHist *)REALLOC((char *)nd_psh,nd_pslen*sizeof(RHist)); @@ -1991,7 +1837,7 @@ int nd_newps(int mod,ND a) } nd_removecont(mod,a); nd_bound[nd_psn] = nd_compute_bound(a); - NEWRHist(r); SG(r) = SG(a); TD(r) = HTD(a); ndl_copy(HDL(a),DL(r)); + NEWRHist(r); SG(r) = SG(a); ndl_copy(HDL(a),DL(r)); nd_psh[nd_psn] = r; b = ndtondv(mod,a); len = LEN(b); @@ -1999,7 +1845,6 @@ int nd_newps(int mod,ND a) nd_ps[nd_psn] = b; else nd_psq[nd_psn] = b; - nd_psl[nd_psn] = len; nd_free(a); return nd_psn++; } @@ -2012,7 +1857,6 @@ int nd_newps_trace(int mod,ND nf,ND nfq) if ( nd_psn == nd_pslen ) { nd_pslen *= 2; - nd_psl = (int *)REALLOC((char *)nd_psl,nd_pslen*sizeof(int)); nd_ps = (NDV *)REALLOC((char *)nd_ps,nd_pslen*sizeof(NDV)); nd_psq = (NDV *)REALLOC((char *)nd_psq,nd_pslen*sizeof(NDV)); nd_psh = (RHist *)REALLOC((char *)nd_psh,nd_pslen*sizeof(RHist)); @@ -2027,12 +1871,8 @@ int nd_newps_trace(int mod,ND nf,ND nfq) nd_psq[nd_psn] = ndtondv(0,nfq); nd_bound[nd_psn] = nd_compute_bound(nfq); - NEWRHist(r); SG(r) = SG(nf); TD(r) = HTD(nf); ndl_copy(HDL(nf),DL(r)); + NEWRHist(r); SG(r) = SG(nf); ndl_copy(HDL(nf),DL(r)); nd_psh[nd_psn] = r; - - len = LEN(nd_psq[nd_psn]); - nd_psl[nd_psn] = len; - nd_free(nf); nd_free(nfq); return nd_psn++; } @@ -2048,7 +1888,6 @@ void nd_setup(int mod,NODE f) nd_found = 0; nd_notfirst = 0; nd_create = 0; nd_psn = length(f); nd_pslen = 2*nd_psn; - nd_psl = (int *)MALLOC(nd_pslen*sizeof(int)); nd_ps = (NDV *)MALLOC(nd_pslen*sizeof(NDV)); nd_psq = (NDV *)MALLOC(nd_pslen*sizeof(NDV)); nd_psh = (RHist *)MALLOC(nd_pslen*sizeof(RHist)); @@ -2062,18 +1901,12 @@ void nd_setup(int mod,NODE f) nd_red = (RHist *)MALLOC(REDTAB_LEN*sizeof(RHist)); bzero(nd_red,REDTAB_LEN*sizeof(RHist)); - if ( max < 2 ) - nd_bpe = 2; - else if ( max < 4 ) - nd_bpe = 4; - else if ( max < 64 ) - nd_bpe = 6; - else if ( max < 256 ) - nd_bpe = 8; - else if ( max < 65536 ) - nd_bpe = 16; - else - nd_bpe = 32; + if ( max < 2 ) nd_bpe = 2; + else if ( max < 4 ) nd_bpe = 4; + else if ( max < 64 ) nd_bpe = 6; + else if ( max < 256 ) nd_bpe = 8; + else if ( max < 65536 ) nd_bpe = 16; + else nd_bpe = 32; nd_setup_parameters(); nd_free_private_storage(); @@ -2083,11 +1916,9 @@ void nd_setup(int mod,NODE f) a = dptondv(mod,(DP)BDY(f)); ndv_removecont(mod,a); len = MAX(len,LEN(a)); - SG(r) = HTD(a); TD(r) = HTD(a); ndl_copy(HDL(a),DL(r)); - if ( mod ) - nd_ps[i] = a; - else - nd_psq[i] = a; + SG(r) = HTD(a); ndl_copy(HDL(a),DL(r)); + if ( mod ) nd_ps[i] = a; + else nd_psq[i] = a; nd_psh[i] = r; } } @@ -2103,7 +1934,6 @@ void nd_setup_trace(int mod,NODE f) nd_found = 0; nd_notfirst = 0; nd_create = 0; nd_psn = length(f); nd_pslen = 2*nd_psn; - nd_psl = (int *)MALLOC(nd_pslen*sizeof(int)); nd_ps = (NDV *)MALLOC(nd_pslen*sizeof(NDV)); nd_psq = (NDV *)MALLOC(nd_pslen*sizeof(NDV)); nd_psh = (RHist *)MALLOC(nd_pslen*sizeof(RHist)); @@ -2117,18 +1947,12 @@ void nd_setup_trace(int mod,NODE f) nd_red = (RHist *)MALLOC(REDTAB_LEN*sizeof(RHist)); bzero(nd_red,REDTAB_LEN*sizeof(RHist)); - if ( max < 2 ) - nd_bpe = 2; - else if ( max < 4 ) - nd_bpe = 4; - else if ( max < 64 ) - nd_bpe = 6; - else if ( max < 256 ) - nd_bpe = 8; - else if ( max < 65536 ) - nd_bpe = 16; - else - nd_bpe = 32; + if ( max < 2 ) nd_bpe = 2; + else if ( max < 4 ) nd_bpe = 4; + else if ( max < 64 ) nd_bpe = 6; + else if ( max < 256 ) nd_bpe = 8; + else if ( max < 65536 ) nd_bpe = 16; + else nd_bpe = 32; nd_setup_parameters(); nd_free_private_storage(); @@ -2138,7 +1962,7 @@ void nd_setup_trace(int mod,NODE f) a = dptondv(0,(DP)BDY(f)); ndv_removecont(0,a); nd_psq[i] = a; NEWRHist(r); len = MAX(len,LEN(a)); - SG(r) = HTD(a); TD(r) = HTD(a); ndl_copy(HDL(a),DL(r)); + SG(r) = HTD(a); ndl_copy(HDL(a),DL(r)); nd_psh[i] = r; } } @@ -2152,18 +1976,8 @@ void nd_gr(LIST f,LIST v,int m,struct order_spec *ord, get_vars((Obj)f,&fv); pltovl(v,&vv); nd_nvar = length(vv); - if ( ord->id ) - error("nd_gr : unsupported order"); - switch ( ord->ord.simple ) { - case 0: - is_rlex = 1; - break; - case 1: - is_rlex = 0; - break; - default: - error("nd_gr : unsupported order"); - } + nd_init_ord(ord); + /* XXX for DP */ initd(ord); for ( fd0 = 0, t = BDY(f); t; t = NEXT(t) ) { ptod(CO,vv,(P)BDY(t),&b); @@ -2199,16 +2013,9 @@ void nd_gr_trace(LIST f,LIST v,int m,int homo,struct o get_vars((Obj)f,&fv); pltovl(v,&vv); nd_nvar = length(vv); - if ( ord->id ) - error("nd_gr : unsupported order"); initd(ord); if ( homo ) { homogenize_order(ord,nd_nvar,&ord1); - switch ( ord1.ord.simple ) { - case 0: is_rlex = 1; break; - case 1: is_rlex = 0; break; - default: error("nd_gr : unsupported order"); - } for ( fd0 = 0, in0 = 0, t = BDY(f); t; t = NEXT(t) ) { ptod(CO,vv,(P)BDY(t),&c); if ( c ) { @@ -2218,14 +2025,10 @@ void nd_gr_trace(LIST f,LIST v,int m,int homo,struct o } if ( fd0 ) NEXT(fd) = 0; if ( in0 ) NEXT(in) = 0; + nd_init_ord(&ord1); initd(&ord1); nd_nvar++; } else { - switch ( ord->ord.simple ) { - case 0: is_rlex = 1; break; - case 1: is_rlex = 0; break; - default: error("nd_gr : unsupported order"); - } for ( fd0 = 0, t = BDY(f); t; t = NEXT(t) ) { ptod(CO,vv,(P)BDY(t),&c); if ( c ) { @@ -2234,6 +2037,7 @@ void nd_gr_trace(LIST f,LIST v,int m,int homo,struct o } if ( fd0 ) NEXT(fd) = 0; in0 = fd0; + nd_init_ord(ord); } do { nd_setup_trace(m,fd0); @@ -2273,31 +2077,32 @@ void dltondl(int n,DL dl,unsigned int *r) int i; d = dl->d; - bzero(r,nd_wpd*sizeof(unsigned int)); - if ( is_rlex ) + for ( i = 0; i <= nd_wpd; i++ ) r[i] = 0; + if ( nd_isrlex ) for ( i = 0; i < n; i++ ) - r[(n-1-i)/nd_epw] |= (d[i]<<((nd_epw-((n-1-i)%nd_epw)-1)*nd_bpe)); + r[(n-1-i)/nd_epw+1] |= (d[i]<<((nd_epw-((n-1-i)%nd_epw)-1)*nd_bpe)); else for ( i = 0; i < n; i++ ) - r[i/nd_epw] |= d[i]<<((nd_epw-(i%nd_epw)-1)*nd_bpe); + r[i/nd_epw+1] |= d[i]<<((nd_epw-(i%nd_epw)-1)*nd_bpe); + TD(r) = ndl_td(r); } -DL ndltodl(int n,int td,unsigned int *ndl) +DL ndltodl(int n,unsigned int *ndl) { DL dl; int *d; int i; NEWDL(dl,n); - TD(dl) = td; + dl->td = TD(ndl); d = dl->d; - if ( is_rlex ) + if ( nd_isrlex ) for ( i = 0; i < n; i++ ) - d[i] = (ndl[(n-1-i)/nd_epw]>>((nd_epw-((n-1-i)%nd_epw)-1)*nd_bpe)) + d[i] = (ndl[(n-1-i)/nd_epw+1]>>((nd_epw-((n-1-i)%nd_epw)-1)*nd_bpe)) &((1<>((nd_epw-(i%nd_epw)-1)*nd_bpe)) + d[i] = (ndl[i/nd_epw+1]>>((nd_epw-(i%nd_epw)-1)*nd_bpe)) &((1<>((nd_epw-((n-1-i)%nd_epw)-1)*nd_bpe)) + (dl[(n-1-i)/nd_epw+1]>>((nd_epw-((n-1-i)%nd_epw)-1)*nd_bpe)) &((1<>((nd_epw-(i%nd_epw)-1)*nd_bpe)) + (dl[i/nd_epw+1]>>((nd_epw-(i%nd_epw)-1)*nd_bpe)) &((1<>"); } @@ -2410,9 +2209,7 @@ void ndp_print(ND_pairs d) { ND_pairs t; - for ( t = d; t; t = NEXT(t) ) { - printf("%d,%d ",t->i1,t->i2); - } + for ( t = d; t; t = NEXT(t) ) printf("%d,%d ",t->i1,t->i2); printf("\n"); } @@ -2425,15 +2222,13 @@ void nd_removecont(int mod,ND p) struct oVECT v; N q,r; - if ( mod ) - nd_mul_c(mod,p,invm(HCM(p),mod)); + if ( mod ) nd_mul_c(mod,p,invm(HCM(p),mod)); else { for ( m = BDY(p), n = 0; m; m = NEXT(m), n++ ); w = (Q *)ALLOCA(n*sizeof(Q)); v.len = n; v.body = (pointer *)w; - for ( m = BDY(p), i = 0; i < n; m = NEXT(m), i++ ) - w[i] = CQ(m); + for ( m = BDY(p), i = 0; i < n; m = NEXT(m), i++ ) w[i] = CQ(m); removecont_array(w,n); for ( m = BDY(p), i = 0; i < n; m = NEXT(m), i++ ) CQ(m) = w[i]; } @@ -2459,10 +2254,8 @@ void nd_removecont2(ND p1,ND p2) w = (Q *)ALLOCA(n*sizeof(Q)); v.len = n; v.body = (pointer *)w; - for ( m = BDY(p1), i = 0; i < n1; m = NEXT(m), i++ ) - w[i] = CQ(m); - for ( m = BDY(p2); i < n; m = NEXT(m), i++ ) - w[i] = CQ(m); + for ( m = BDY(p1), i = 0; i < n1; m = NEXT(m), i++ ) w[i] = CQ(m); + for ( m = BDY(p2); i < n; m = NEXT(m), i++ ) w[i] = CQ(m); removecont_array(w,n); for ( m = BDY(p1), i = 0; i < n1; m = NEXT(m), i++ ) CQ(m) = w[i]; for ( m = BDY(p2); i < n; m = NEXT(m), i++ ) CQ(m) = w[i]; @@ -2480,8 +2273,7 @@ void ndv_removecont(int mod,NDV p) else { len = p->len; w = (Q *)ALLOCA(len*sizeof(Q)); - for ( m = BDY(p), i = 0; i < len; NMV_ADV(m), i++ ) - w[i] = CQ(m); + for ( m = BDY(p), i = 0; i < len; NMV_ADV(m), i++ ) w[i] = CQ(m); sortbynm(w,len); qltozl(w,len,&dvr); for ( m = BDY(p), i = 0; i < len; NMV_ADV(m), i++ ) { @@ -2503,12 +2295,12 @@ void ndv_dehomogenize(NDV p) newnvar = nd_nvar-1; newwpd = newnvar/nd_epw+(newnvar%nd_epw?1:0); for ( m = BDY(p), i = 0; i < len; NMV_ADV(m), i++ ) - TD(m) -= ndl_dehomogenize(DL(m)); + ndl_dehomogenize(DL(m)); if ( newwpd != nd_wpd ) { - d = (unsigned int *)ALLOCA(newwpd*sizeof(unsigned int)); - newadv = sizeof(struct oNMV)+(newwpd-1)*sizeof(unsigned int); + d = (unsigned int *)ALLOCA((newwpd+1)*sizeof(unsigned int)); + newadv = sizeof(struct oNMV)+newwpd*sizeof(unsigned int); for ( m = r = BDY(p), i = 0; i < len; NMV_ADV(m), NEWADV(r), i++ ) { - CQ(r) = CQ(m); TD(r) = TD(m); ndl_copy(DL(m),d); ndl_copy(d,DL(r)); + CQ(r) = CQ(m); ndl_copy(DL(m),d); ndl_copy(d,DL(r)); } } NV(p)--; @@ -2531,9 +2323,7 @@ void removecont_array(Q *c,int n) NTOQ(qn,SGN(c[i])*SGN(d0),q[i]); NTOQ(rn,SGN(c[i]),r[i]); } - for ( i = 0; i < n; i++ ) - if ( r[i] ) - break; + for ( i = 0; i < n; i++ ) if ( r[i] ) break; if ( i < n ) { v.id = O_VECT; v.len = n; v.body = (pointer *)r; igcdv(&v,&d1); @@ -2548,8 +2338,7 @@ void removecont_array(Q *c,int n) q[i] = u; } } - for ( i = 0; i < n; i++ ) - c[i] = q[i]; + for ( i = 0; i < n; i++ ) c[i] = q[i]; } void nd_mul_c(int mod,ND p,int mul) @@ -2557,8 +2346,7 @@ void nd_mul_c(int mod,ND p,int mul) NM m; int c,c1; - if ( !p ) - return; + if ( !p ) return; for ( m = BDY(p); m; m = NEXT(m) ) { c1 = CM(m); DMAR(c1,mul,0,mod,c); @@ -2571,8 +2359,7 @@ void nd_mul_c_q(ND p,Q mul) NM m; Q c; - if ( !p ) - return; + if ( !p ) return; for ( m = BDY(p); m; m = NEXT(m) ) { mulq(CQ(m),mul,&c); CQ(m) = c; } @@ -2582,8 +2369,7 @@ void nd_free(ND p) { NM t,s; - if ( !p ) - return; + if ( !p ) return; t = BDY(p); while ( t ) { s = NEXT(t); @@ -2598,15 +2384,14 @@ void ndv_free(NDV p) GC_free(BDY(p)); } -void nd_append_red(unsigned int *d,int td,int i) +void nd_append_red(unsigned int *d,int i) { RHist m,m0; int h; NEWRHist(m); - h = ndl_hash_value(td,d); + h = ndl_hash_value(d); m->index = i; - TD(m) = td; ndl_copy(d,DL(m)); NEXT(m) = nd_red[h]; nd_red[h] = m; @@ -2623,7 +2408,8 @@ unsigned int *dp_compute_bound(DP p) d1 = (unsigned int *)ALLOCA(nd_nvar*sizeof(unsigned int)); d2 = (unsigned int *)ALLOCA(nd_nvar*sizeof(unsigned int)); m = BDY(p); - bcopy(DL(m)->d,d1,nd_nvar*sizeof(unsigned int)); + d = DL(m)->d; + for ( i = 0; i < nd_nvar; i++ ) d1[i] = d[i]; for ( m = NEXT(BDY(p)); m; m = NEXT(m) ) { d = DL(m)->d; for ( i = 0; i < nd_nvar; i++ ) @@ -2632,8 +2418,8 @@ unsigned int *dp_compute_bound(DP p) } l = (nd_nvar+31); t = (unsigned int *)MALLOC_ATOMIC(l*sizeof(unsigned int)); - bzero(t,l*sizeof(unsigned int)); - bcopy(d1,t,nd_nvar*sizeof(unsigned int)); + for ( i = 0; i < nd_nvar; i++ ) t[i] = d1[i]; + for ( ; i < l; i++ ) t[i] = 0; return t; } @@ -2647,16 +2433,17 @@ unsigned int *nd_compute_bound(ND p) return 0; d1 = (unsigned int *)ALLOCA(nd_wpd*sizeof(unsigned int)); d2 = (unsigned int *)ALLOCA(nd_wpd*sizeof(unsigned int)); - bcopy(HDL(p),d1,nd_wpd*sizeof(unsigned int)); + ndl_copy(HDL(p),d1); for ( m = NEXT(BDY(p)); m; m = NEXT(m) ) { ndl_lcm(DL(m),d1,d2); t = d1; d1 = d2; d2 = t; } l = nd_nvar+31; t = (unsigned int *)MALLOC_ATOMIC(l*sizeof(unsigned int)); - bzero(t,l*sizeof(unsigned int)); + for ( i = 0; i < l; i++ ) t[i] = 0; for ( i = 0; i < nd_nvar; i++ ) - t[i] = (d1[i/nd_epw]>>((nd_epw-(i%nd_epw)-1)*nd_bpe))&nd_mask0; + t[i] = (d1[i/nd_epw+1]>>((nd_epw-(i%nd_epw)-1)*nd_bpe))&nd_mask0; + for ( ; i < l; i++ ) t[i] = 0; return t; } @@ -2676,34 +2463,29 @@ void nd_setup_parameters() { nd_mask[nd_epw-i-1] = (nd_mask0<<(i*nd_bpe)); nd_mask1 |= (1<<(nd_bpe-1))<<(i*nd_bpe); } - nm_adv = sizeof(struct oNM)+(nd_wpd-1)*sizeof(unsigned int); - nmv_adv = sizeof(struct oNMV)+(nd_wpd-1)*sizeof(unsigned int); + nm_adv = sizeof(struct oNM)+nd_wpd*sizeof(unsigned int); + nmv_adv = sizeof(struct oNMV)+nd_wpd*sizeof(unsigned int); } /* mod < 0 => realloc nd_ps and pd_psq */ ND_pairs nd_reconstruct(int mod,int trace,ND_pairs d) { - int i,obpe,oadv; + int i,obpe,oadv,h; NM prev_nm_free_list; RHist mr0,mr; RHist r; + RHist *old_red; ND_pairs s0,s,t,prev_ndp_free_list; obpe = nd_bpe; oadv = nmv_adv; - if ( obpe < 4 ) - nd_bpe = 4; - else if ( obpe < 6 ) - nd_bpe = 6; - else if ( obpe < 8 ) - nd_bpe = 8; - else if ( obpe < 16 ) - nd_bpe = 16; - else if ( obpe < 32 ) - nd_bpe = 32; - else - error("nd_reconstruct : exponent too large"); + if ( obpe < 4 ) nd_bpe = 4; + else if ( obpe < 6 ) nd_bpe = 6; + else if ( obpe < 8 ) nd_bpe = 8; + else if ( obpe < 16 ) nd_bpe = 16; + else if ( obpe < 32 ) nd_bpe = 32; + else error("nd_reconstruct : exponent too large"); nd_setup_parameters(); prev_nm_free_list = _nm_free_list; @@ -2711,34 +2493,38 @@ ND_pairs nd_reconstruct(int mod,int trace,ND_pairs d) _nm_free_list = 0; _ndp_free_list = 0; if ( mod != 0 ) - for ( i = nd_psn-1; i >= 0; i-- ) - ndv_realloc(nd_ps[i],obpe,oadv); + for ( i = nd_psn-1; i >= 0; i-- ) ndv_realloc(nd_ps[i],obpe,oadv); if ( !mod || trace ) - for ( i = nd_psn-1; i >= 0; i-- ) - ndv_realloc(nd_psq[i],obpe,oadv); + for ( i = nd_psn-1; i >= 0; i-- ) ndv_realloc(nd_psq[i],obpe,oadv); s0 = 0; for ( t = d; t; t = NEXT(t) ) { NEXTND_pairs(s0,s); s->i1 = t->i1; s->i2 = t->i2; - TD(s) = TD(t); SG(s) = SG(t); - ndl_dup(obpe,t->lcm,s->lcm); + ndl_dup(obpe,LCM(t),LCM(s)); } + + old_red = (RHist *)ALLOCA(REDTAB_LEN*sizeof(RHist)); for ( i = 0; i < REDTAB_LEN; i++ ) { - for ( mr0 = 0, r = nd_red[i]; r; r = NEXT(r) ) { - NEXTRHist(mr0,mr); + old_red[i] = nd_red[i]; + nd_red[i] = 0; + } + for ( i = 0; i < REDTAB_LEN; i++ ) + for ( r = old_red[i]; r; r = NEXT(r) ) { + NEWRHist(mr); mr->index = r->index; SG(mr) = SG(r); - TD(mr) = TD(r); ndl_dup(obpe,DL(r),DL(mr)); + h = ndl_hash_value(DL(mr)); + NEXT(mr) = nd_red[h]; + nd_red[h] = mr; } - if ( mr0 ) NEXT(mr) = 0; - nd_red[i] = mr0; - } + for ( i = 0; i < REDTAB_LEN; i++ ) old_red[i] = 0; + old_red = 0; for ( i = 0; i < nd_psn; i++ ) { NEWRHist(r); SG(r) = SG(nd_psh[i]); - TD(r) = TD(nd_psh[i]); ndl_dup(obpe,DL(nd_psh[i]),DL(r)); + ndl_dup(obpe,DL(nd_psh[i]),DL(r)); nd_psh[i] = r; } if ( s0 ) NEXT(s) = 0; @@ -2750,35 +2536,45 @@ ND_pairs nd_reconstruct(int mod,int trace,ND_pairs d) void nd_reconstruct_direct(int mod,NDV *ps,int len) { - int i,obpe,oadv; + int i,obpe,oadv,h; NM prev_nm_free_list; RHist mr0,mr; RHist r; + RHist *old_red; ND_pairs s0,s,t,prev_ndp_free_list; obpe = nd_bpe; oadv = nmv_adv; - if ( obpe < 4 ) - nd_bpe = 4; - else if ( obpe < 6 ) - nd_bpe = 6; - else if ( obpe < 8 ) - nd_bpe = 8; - else if ( obpe < 16 ) - nd_bpe = 16; - else if ( obpe < 32 ) - nd_bpe = 32; - else - error("nd_reconstruct_direct : exponent too large"); + if ( obpe < 4 ) nd_bpe = 4; + else if ( obpe < 6 ) nd_bpe = 6; + else if ( obpe < 8 ) nd_bpe = 8; + else if ( obpe < 16 ) nd_bpe = 16; + else if ( obpe < 32 ) nd_bpe = 32; + else error("nd_reconstruct_direct : exponent too large"); nd_setup_parameters(); prev_nm_free_list = _nm_free_list; prev_ndp_free_list = _ndp_free_list; - _nm_free_list = 0; - _ndp_free_list = 0; + _nm_free_list = 0; _ndp_free_list = 0; if ( mod != 0 ) - for ( i = len-1; i >= 0; i-- ) - ndv_realloc(ps[i],obpe,oadv); + for ( i = len-1; i >= 0; i-- ) ndv_realloc(ps[i],obpe,oadv); + old_red = (RHist *)ALLOCA(REDTAB_LEN*sizeof(RHist)); + for ( i = 0; i < REDTAB_LEN; i++ ) { + old_red[i] = nd_red[i]; + nd_red[i] = 0; + } + for ( i = 0; i < REDTAB_LEN; i++ ) + for ( r = old_red[i]; r; r = NEXT(r) ) { + NEWRHist(mr); + mr->index = r->index; + SG(mr) = SG(r); + ndl_dup(obpe,DL(r),DL(mr)); + h = ndl_hash_value(DL(mr)); + NEXT(mr) = nd_red[h]; + nd_red[h] = mr; + } + for ( i = 0; i < REDTAB_LEN; i++ ) old_red[i] = 0; + old_red = 0; prev_nm_free_list = 0; prev_ndp_free_list = 0; GC_gcollect(); @@ -2792,19 +2588,19 @@ void ndl_dup(int obpe,unsigned int *d,unsigned int *r) oepw = (sizeof(unsigned int)*8)/obpe; cepw = nd_epw; cbpe = nd_bpe; - for ( i = 0; i < nd_wpd; i++ ) - r[i] = 0; - if ( is_rlex ) + TD(r) = TD(d); + for ( i = 1; i <= nd_wpd; i++ ) r[i] = 0; + if ( nd_isrlex ) for ( i = 0; i < n; i++ ) { - ei = (d[(n-1-i)/oepw]>>((oepw-((n-1-i)%oepw)-1)*obpe)) + ei = (d[(n-1-i)/oepw+1]>>((oepw-((n-1-i)%oepw)-1)*obpe)) &((1<>((oepw-(i%oepw)-1)*obpe)) + ei = (d[i/oepw+1]>>((oepw-(i%oepw)-1)*obpe)) &((1<i1]; p2 = nd_ps[p->i2]; } else { p1 = nd_psq[p->i1]; p2 = nd_psq[p->i2]; } - lcm = p->lcm; - td = TD(p); + lcm = LCM(p); NEWNM(m); CQ(m) = HCQ(p2); - TD(m) = td-HTD(p1); ndl_sub(lcm,HDL(p1),DL(m)); - if ( ndl_check_bound2(p->i1,DL(m)) ) - return 0; + ndl_sub(lcm,HDL(p1),DL(m)); + if ( ndl_check_bound2(p->i1,DL(m)) ) return 0; t1 = ndv_mul_nm(mod,p1,m); - if ( mod ) - CM(m) = mod-HCM(p1); - else - chsgnq(HCQ(p1),&CQ(m)); - TD(m) = td-HTD(p2); ndl_sub(lcm,HDL(p2),DL(m)); + if ( mod ) CM(m) = mod-HCM(p1); + else chsgnq(HCQ(p1),&CQ(m)); + ndl_sub(lcm,HDL(p2),DL(m)); if ( ndl_check_bound2(p->i2,DL(m)) ) { nd_free(t1); return 0; } t2 = ndv_mul_nm(mod,p2,m); - *rp = nd_add(mod,t1,t2,&dummy); + *rp = nd_add(mod,t1,t2); FREENM(m); return 1; } @@ -2889,13 +2679,10 @@ void ndv_mul_c(int mod,NDV p,int mul) NMV m; int c,c1,len,i; - if ( !p ) - return; + if ( !p ) return; len = LEN(p); for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) ) { - c1 = CM(m); - DMAR(c1,mul,0,mod,c); - CM(m) = c; + c1 = CM(m); DMAR(c1,mul,0,mod,c); CM(m) = c; } } @@ -2905,8 +2692,7 @@ void ndv_mul_c_q(NDV p,Q mul) Q c; int len,i; - if ( !p ) - return; + if ( !p ) return; len = LEN(p); for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) ) { mulq(CQ(m),mul,&c); CQ(m) = c; @@ -2922,13 +2708,13 @@ ND ndv_mul_nm(int mod,NDV p,NM m0) Q q; ND r; - if ( !p ) - return 0; + if ( !p ) return 0; else { n = NV(p); m = BDY(p); - d = DL(m0); td = TD(m0); + d = DL(m0); len = LEN(p); mr0 = 0; + td = TD(d); if ( mod ) { c = CM(m0); for ( i = 0; i < len; i++, NMV_ADV(m) ) { @@ -2936,7 +2722,6 @@ ND ndv_mul_nm(int mod,NDV p,NM m0) c1 = CM(m); DMAR(c1,c,0,mod,c2); CM(mr) = c2; - TD(mr) = TD(m)+td; ndl_add(DL(m),d,DL(mr)); } } else { @@ -2944,13 +2729,12 @@ ND ndv_mul_nm(int mod,NDV p,NM m0) for ( i = 0; i < len; i++, NMV_ADV(m) ) { NEXTNM(mr0,mr); mulq(CQ(m),q,&CQ(mr)); - TD(mr) = TD(m)+td; ndl_add(DL(m),d,DL(mr)); } } NEXT(mr) = 0; - MKND(NV(p),mr0,r); - SG(r) = SG(p) + td; + MKND(NV(p),mr0,len,r); + SG(r) = SG(p) + TD(d); return r; } } @@ -2965,20 +2749,15 @@ void ndv_realloc(NDV p,int obpe,int oadv) if ( p ) { m = BDY(p); len = LEN(p); - if ( nmv_adv > oadv ) - mr0 = (NMV)REALLOC(BDY(p),len*nmv_adv); - else - mr0 = BDY(p); + mr0 = nmv_adv>oadv?(NMV)REALLOC(BDY(p),len*nmv_adv):BDY(p); m = (NMV)((char *)mr0+(len-1)*oadv); mr = (NMV)((char *)mr0+(len-1)*nmv_adv); t = (NMV)ALLOCA(nmv_adv); for ( i = 0; i < len; i++, NMV_OPREV(m), NMV_PREV(mr) ) { CQ(t) = CQ(m); - TD(t) = TD(m); for ( k = 0; k < nd_wpd; k++ ) DL(t)[k] = 0; ndl_dup(obpe,DL(m),DL(t)); CQ(mr) = CQ(t); - TD(mr) = TD(t); ndl_copy(DL(t),DL(mr)); } BDY(p) = mr0; @@ -2992,15 +2771,10 @@ NDV ndtondv(int mod,ND p) NM t; int i,len; - if ( !p ) - return 0; - len = nd_length(p); - if ( mod ) - m0 = m = (NMV)MALLOC_ATOMIC(len*nmv_adv); - else - m0 = m = (NMV)MALLOC(len*nmv_adv); + if ( !p ) return 0; + len = LEN(p); + m0 = m = (NMV)(mod?MALLOC_ATOMIC(len*nmv_adv):MALLOC(len*nmv_adv)); for ( t = BDY(p), i = 0; t; t = NEXT(t), i++, NMV_ADV(m) ) { - TD(m) = TD(t); ndl_copy(DL(t),DL(m)); CQ(m) = CQ(t); } @@ -3016,18 +2790,16 @@ ND ndvtond(int mod,NDV p) NMV t; int i,len; - if ( !p ) - return 0; + if ( !p ) return 0; m0 = 0; len = p->len; for ( t = BDY(p), i = 0; i < len; NMV_ADV(t), i++ ) { NEXTNM(m0,m); - TD(m) = TD(t); ndl_copy(DL(t),DL(m)); CQ(m) = CQ(t); } NEXT(m) = 0; - MKND(NV(p),m0,d); + MKND(NV(p),m0,len,d); SG(d) = SG(p); return d; } @@ -3040,8 +2812,7 @@ NDV dptondv(int mod,DP p) DP q; int l,i,n; - if ( !p ) - return 0; + if ( !p ) return 0; for ( t = BDY(p), l = 0; t; t = NEXT(t), l++ ); if ( mod ) { _dp_mod(p,mod,0,&q); p = q; @@ -3050,11 +2821,8 @@ NDV dptondv(int mod,DP p) m0 = m = (NMV)MALLOC(l*nmv_adv); n = NV(p); for ( t = BDY(p), i = 0; i < l; i++, t = NEXT(t), NMV_ADV(m) ) { - if ( mod ) - CM(m) = ITOS(C(t)); - else - CQ(m) = (Q)C(t); - TD(m) = TD(DL(t)); + if ( mod ) CM(m) = ITOS(C(t)); + else CQ(m) = (Q)C(t); dltondl(n,DL(t),DL(m)); } MKNDV(n,m0,l,d); @@ -3069,18 +2837,15 @@ DP ndvtodp(int mod,NDV p) NMV t; int len,i,n; - if ( !p ) - return 0; + if ( !p ) return 0; m0 = 0; len = LEN(p); n = NV(p); for ( t = BDY(p), i = 0; i < len; i++, NMV_ADV(t) ) { NEXTMP(m0,m); - if ( mod ) - C(m) = STOI(CM(t)); - else - C(m) = (P)CQ(t); - DL(m) = ndltodl(n,TD(t),DL(t)); + if ( mod ) C(m) = STOI(CM(t)); + else C(m) = (P)CQ(t); + DL(m) = ndltodl(n,DL(t)); } NEXT(m) = 0; MKDP(NV(p),m0,d); @@ -3093,8 +2858,7 @@ void ndv_print(NDV p) NMV m; int i,len; - if ( !p ) - printf("0\n"); + if ( !p ) printf("0\n"); else { len = LEN(p); for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) ) { @@ -3110,8 +2874,7 @@ void ndv_print_q(NDV p) NMV m; int i,len; - if ( !p ) - printf("0\n"); + if ( !p ) printf("0\n"); else { len = LEN(p); for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) ) { @@ -3124,18 +2887,6 @@ void ndv_print_q(NDV p) } } -int nd_equal(ND a,ND b) -{ - NM ma,mb; - - if ( (!a && b)||(a&& !b)||(NV(a) != NV(b))||(SG(a) != SG(b)) ) return 0; - for ( ma = BDY(a), mb = BDY(b); ma && mb; ma = NEXT(ma), mb = NEXT(mb) ) { - if ( (TD(ma) != TD(mb)) || !ndl_equal(DL(ma),DL(mb)) ) return 0; - } - if ( !ma && !mb ) return 1; - else return 0; -} - NODE nd_reducebase(NODE x) { int len,i,j; @@ -3158,3 +2909,28 @@ NODE nd_reducebase(NODE x) NEXT(t) = 0; x = t0; return x; } + +void nd_init_ord(struct order_spec *ord) +{ + if ( ord->id ) + error("nd_gr : unsupported order"); + nd_dcomp = 0; + switch ( ord->ord.simple ) { + case 0: + nd_dcomp = 1; + nd_isrlex = 1; + break; + case 1: + nd_dcomp = 1; + nd_isrlex = 0; + break; + case 9: + /* td1->td->rlex */ + nd_dcomp = -dp_nelim; + nd_isrlex = 1; + break; + default: + error("nd_gr : unsupported order"); + } +} +