OpenXM_contrib2/asir2000/engine/nd.c - diff

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Diff for /OpenXM_contrib2/asir2000/engine/nd.c between version 1.37 and 1.44

version 1.37, 2003/08/20 08:38:20

version 1.44, 2003/08/22 08:32:51

Line 1

/* $OpenXM: OpenXM_contrib2/asir2000/engine/nd.c,v 1.36 2003/08/20 07:55:45 noro Exp $ */

/* $OpenXM: OpenXM_contrib2/asir2000/engine/nd.c,v 1.43 2003/08/22 07:12:49 noro Exp $ */

#include "ca.h"

#include "inline.h"

Line 15

#define REDTAB_LEN 32003

/* GeoBucket for polynomial addition */

typedef struct oPGeoBucket {

int m;

struct oND *body[32];

} *PGeoBucket;

/* distributed polynomial; linked list rep. */

typedef struct oND {

struct oNM *body;

int nv;

Line 27 typedef struct oND {

Line 30 typedef struct oND {

int sugar;

} *ND;

/* distributed polynomial; array rep. */

typedef struct oNDV {

struct oNMV *body;

int nv;

Line 34 typedef struct oNDV {

Line 38 typedef struct oNDV {

int sugar;

} *NDV;

/* monomial; linked list rep. */

typedef struct oNM {

struct oNM *next;

union {

Line 43 typedef struct oNM {

Line 48 typedef struct oNM {

unsigned int dl[1];

} *NM;

/* monomial; array rep. */

typedef struct oNMV {

union {

int m;

Line 51 typedef struct oNMV {

Line 57 typedef struct oNMV {

unsigned int dl[1];

} *NMV;

/* history of reducer */

typedef struct oRHist {

struct oRHist *next;

int index;

Line 58 typedef struct oRHist {

Line 65 typedef struct oRHist {

unsigned int dl[1];

} *RHist;

/* S-pair list */

typedef struct oND_pairs {

struct oND_pairs *next;

int i1,i2;

Line 65 typedef struct oND_pairs {

Line 73 typedef struct oND_pairs {

unsigned int lcm[1];

} *ND_pairs;

/* index and shift count for each exponent */

typedef struct oEPOS {

int i; /* index */

int s; /* shift */

} *EPOS;

typedef struct oBlockMask {

int n;

struct order_pair *order_pair;

unsigned int **mask;

} *BlockMask;

int (*nd_compare_function)(unsigned int *a1,unsigned int *a2);

double nd_scale=2;

static double nd_scale=2;

static unsigned int **nd_bound;

int nd_nvar;

static struct order_spec *nd_ord;

int nd_isrlex;

static EPOS nd_epos;

int nd_epw,nd_bpe,nd_wpd;

static BlockMask nd_blockmask;

unsigned int nd_mask[32];

static int nd_nvar;

unsigned int nd_mask0,nd_mask1;

static int nd_isrlex;

static int nd_epw,nd_bpe,nd_wpd,nd_exporigin;

static unsigned int nd_mask[32];

static unsigned int nd_mask0,nd_mask1;

NM _nm_free_list;

static NM _nm_free_list;

ND _nd_free_list;

static ND _nd_free_list;

ND_pairs _ndp_free_list;

static ND_pairs _ndp_free_list;

static NDV *nd_ps;

static NDV *nd_psq;

RHist *nd_psh;

static RHist *nd_psh;

int nd_psn,nd_pslen;

static int nd_psn,nd_pslen;

RHist *nd_red;

static RHist *nd_red;

int nd_red_len;

int nd_found,nd_create,nd_notfirst;

static int nd_found,nd_create,nd_notfirst;

int nm_adv;

static int nm_adv;

int nmv_adv;

static int nmv_adv;

int nd_dcomp;

static int nd_dcomp;

extern int Top,Reverse,dp_nelim;

/* fundamental macros */

#define TD(d) (d[0])

#define HDL(d) ((d)->body->dl)

#define HTD(d) (TD(HDL(d)))

Line 105 extern int Top,Reverse,dp_nelim;

Line 128 extern int Top,Reverse,dp_nelim;

#define SG(a) ((a)->sugar)

#define LEN(a) ((a)->len)

#define LCM(a) ((a)->lcm)

#define GET_EXP(d,a) (((d)[nd_epos[a].i]>>nd_epos[a].s)&nd_mask0)

#define PUT_EXP(r,a,e) ((r)[nd_epos[a].i] |= ((e)<<nd_epos[a].s))

/* macros for term comparison */

#define TD_DL_COMPARE(d1,d2)\

(TD(d1)>TD(d2)?1:(TD(d1)<TD(d2)?-1:ndl_lex_compare(d1+1,d2+1)))

(TD(d1)>TD(d2)?1:(TD(d1)<TD(d2)?-1:ndl_lex_compare(d1,d2)))

#if 0

#define DL_COMPARE(d1,d2)\

(nd_dcomp?TD_DL_COMPARE(d1,d2):(*nd_compare_function)(d1,d2))

(nd_dcomp>0?TD_DL_COMPARE(d1,d2)\

:(nd_dcomp==0?ndl_lex_compare(d1,d2)\

:(nd_blockmask?ndl_block_compare(d1,d2)\

:(*nd_compare_function)(d1,d2))))

#else

#define DL_COMPARE(d1,d2)\

(nd_dcomp>0?TD_DL_COMPARE(d1,d2):(*nd_compare_function)(d1,d2))

#endif

#define NM_ADV(m) (m = (NM)(((char *)m)+nm_adv))

/* allocators */

#define NEWRHist(r) \

((r)=(RHist)MALLOC(sizeof(struct oRHist)+nd_wpd*sizeof(unsigned int)))

((r)=(RHist)MALLOC(sizeof(struct oRHist)+(nd_wpd-1)*sizeof(unsigned int)))

#define NEWND_pairs(m) \

if(!_ndp_free_list)_NDP_alloc();\

(m)=_ndp_free_list; _ndp_free_list = NEXT(_ndp_free_list)

Line 125 if(!_nm_free_list)_NM_alloc();\

Line 158 if(!_nm_free_list)_NM_alloc();\

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 NEWNDV(d) ((d)=(NDV)MALLOC(sizeof(struct oNDV)))

#define MKNDV(n,m,l,d) NEWNDV(d); NV(d)=(n); BDY(d)=(m); LEN(d) = l;

/* allocate and link a new object */

#define NEXTRHist(r,c) \

if(!(r)){NEWRHist(r);(c)=(r);}else{NEWRHist(NEXT(c));(c)=NEXT(c);}

#define NEXTNM(r,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 NEXTND_pairs(r,c) \

if(!(r)){NEWND_pairs(r);(c)=(r);}else{NEWND_pairs(NEXT(c));(c)=NEXT(c);}

/* deallocators */

#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)

#define NEXTND_pairs(r,c) \

/* macro for increasing pointer to NMV */

if(!(r)){NEWND_pairs(r);(c)=(r);}else{NEWND_pairs(NEXT(c));(c)=NEXT(c);}

#define NMV_ADV(m) (m = (NMV)(((char *)m)+nmv_adv))

void nd_init_ord(struct order_spec *spec);

/* external functions */

int nd_check_candidate(NODE input,NODE cand);

void GC_gcollect();

NODE append_one(NODE,int);

/* manipulation of coefficients */

void nd_removecont(int mod,ND p);

void nd_removecont2(ND p1,ND p2);

void ndv_removecont(int mod,NDV p);

void removecont_array(Q *c,int n);

void ndv_dehomogenize(NDV p);

void ndv_mul_c_q(NDV p,Q mul);

/* GeoBucket functions */

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);

Line 155 void add_pbucket(int mod,PGeoBucket g,ND d);

Line 196 void add_pbucket(int mod,PGeoBucket g,ND d);

void free_pbucket(PGeoBucket b);

void mulq_pbucket(PGeoBucket g,Q c);

PGeoBucket create_pbucket();

ND nd_remove_head(ND p);

void GC_gcollect();

/* manipulation of pairs and bases */

NODE append_one(NODE,int);

int nd_newps(int mod,ND a,ND aq);

NODE nd_reducebase(NODE x);

ND_pairs nd_newpairs( NODE g, int t );

void removecont_array(Q *c,int n);

ND_pairs crit_B( ND_pairs d, int s );

void nd_gr(LIST f,LIST v,int m,struct order_spec *ord,LIST *rp);

void nd_gr_trace(LIST f,LIST v,int m,int homo,struct order_spec *ord,LIST *rp);

void nd_setup(int mod,NODE f);

void nd_setup_trace(int mod,NODE f);

int nd_newps(int mod,ND a);

int nd_newps_trace(int mod,ND nf,ND nfq);

ND_pairs nd_minp( ND_pairs d, ND_pairs *prest );

NODE update_base(NODE nd,int ndp);

static ND_pairs equivalent_pairs( ND_pairs d1, ND_pairs *prest );

int crit_2( int dp1, int dp2 );

ND_pairs crit_F( ND_pairs d1 );

ND_pairs crit_M( ND_pairs d1 );

ND_pairs nd_newpairs( NODE g, int t );

ND_pairs update_pairs( ND_pairs d, NODE /* of index */ g, int t);

ND_pairs equivalent_pairs( ND_pairs d1, ND_pairs *prest );

ND_pairs crit_B( ND_pairs d, int s );

ND_pairs crit_M( ND_pairs d1 );

ND_pairs crit_F( ND_pairs d1 );

int crit_2( int dp1, int dp2 );

/* top level functions */

void nd_gr(LIST f,LIST v,int m,struct order_spec *ord,LIST *rp);

void nd_gr_trace(LIST f,LIST v,int m,int homo,struct order_spec *ord,LIST *rp);

NODE nd_gb(int m,int checkonly);

NODE nd_gb_trace(int m);

void nd_free_private_storage();

void _NM_alloc();

/* ndl functions */

void _ND_alloc();

int ndl_weight(unsigned int *d);

int ndl_td(unsigned int *d);

int ndl_weight_mask(unsigned int *d,int i);

void ndl_dehomogenize(unsigned int *p);

ND nd_add(int mod,ND p1,ND p2);

void ndl_reconstruct(int obpe,EPOS oepos,unsigned int *d,unsigned int *r);

ND nd_add_q(ND p1,ND p2);

INLINE int ndl_reducible(unsigned int *d1,unsigned int *d2);

INLINE int ndl_lex_compare(unsigned int *d1,unsigned int *d2);

INLINE int ndl_block_compare(unsigned int *d1,unsigned int *d2);

INLINE int ndl_equal(unsigned int *d1,unsigned int *d2);

INLINE void ndl_copy(unsigned int *d1,unsigned int *d2);

INLINE void ndl_add(unsigned int *d1,unsigned int *d2,unsigned int *d);

INLINE void ndl_sub(unsigned int *d1,unsigned int *d2,unsigned int *d);

INLINE int ndl_hash_value(unsigned int *d);

INLINE int nd_find_reducer(ND g);

INLINE int nd_find_reducer_direct(ND g,NDV *ps,int len);

/* normal forms */

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);

Line 193 int nd_nf(int mod,ND g,int full,ND *nf);

Line 239 int nd_nf(int mod,ND g,int full,ND *nf);

int nd_nf_pbucket(int mod,ND g,int full,ND *nf);

int nd_nf_direct(int mod,ND g,NDV *ps,int len,int full,ND *rp);

int nd_nf_direct_pbucket(int mod,ND g,NDV *ps,int len,int full,ND *rp);

ND nd_reduce(ND p1,ND p2);

ND nd_reduce_special(ND p1,ND p2);

/* finalizers */

NODE nd_reducebase(NODE x);

NODE nd_reduceall(int m,NODE f);

int nd_gbcheck(int m,NODE f);

int nd_membercheck(int m,NODE f);

/* allocators */

void nd_free_private_storage();

void _NM_alloc();

void _ND_alloc();

void nd_free(ND p);

void ndv_free(NDV p);

void nd_free_redlist();

/* printing */

void ndl_print(unsigned int *dl);

void nd_print(ND p);

void nd_print_q(ND p);

void ndv_print(NDV p);

void ndv_print_q(NDV p);

void ndp_print(ND_pairs d);

int nd_length(ND p);

/* setup, reconstruct */

void nd_init_ord(struct order_spec *spec);

ND_pairs nd_reconstruct(int mod,int trace,ND_pairs ndp);

void nd_reconstruct_direct(int mod,NDV *ps,int len);

void nd_setup(int mod,int trace,NODE f);

void nd_setup_parameters();

BlockMask nd_create_blockmask(struct order_spec *ord);

/* ND functions */

int nd_check_candidate(NODE input,NODE cand);

void nd_mul_c(int mod,ND p,int mul);

void nd_free_redlist();

void nd_mul_c_q(ND p,Q mul);

ND nd_remove_head(ND p);

int nd_length(ND p);

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);

void nd_reconstruct_direct(int mod,NDV *ps,int len);

void nd_setup_parameters();

void nd_realloc(ND p,int obpe);

ND nd_copy(ND p);

void ndl_dup(int obpe,unsigned int *d,unsigned int *r);

ND nd_add(int mod,ND p1,ND p2);

ND nd_add_q(ND p1,ND p2);

INLINE int nd_length(ND p);

#define NMV_ADV(m) (m = (NMV)(((char *)m)+nmv_adv))

/* NDV functions */

#define NEWNDV(d) ((d)=(NDV)MALLOC(sizeof(struct oNDV)))

#define MKNDV(n,m,l,d) NEWNDV(d); NV(d)=(n); BDY(d)=(m); LEN(d) = l;

void ndv_mul_c(int mod,NDV p,int mul);

void ndv_mul_c_q(NDV p,Q mul);

void ndv_realloc(NDV p,int obpe,int oadv,EPOS oepos);

ND ndv_mul_nm(int mod,NDV p,NM m0);

void ndv_dehomogenize(NDV p);

void ndv_removecont(int mod,NDV p);

void ndv_print(NDV p);

void ndv_print_q(NDV p);

void ndv_free(NDV p);

/* converters */

NDV ndtondv(int mod,ND p);

ND ndvtond(int mod,NDV p);

ND ndv_mul_nm(int mod,NDV p,NM m0);

void ndv_realloc(NDV p,int obpe,int oadv);

NDV dptondv(int,DP);

DP ndvtodp(int,NDV);

ND dptond(int,DP);

Line 247 void _NM_alloc()

Line 316 void _NM_alloc()

int i;

for ( i = 0; i < 1024; i++ ) {

p = (NM)GC_malloc(sizeof(struct oNM)+nd_wpd*sizeof(unsigned int));

p = (NM)GC_malloc(sizeof(struct oNM)+(nd_wpd-1)*sizeof(unsigned int));

p->next = _nm_free_list; _nm_free_list = p;

}

Line 270 void _NDP_alloc()

Line 339 void _NDP_alloc()

for ( i = 0; i < 1024; i++ ) {

p = (ND_pairs)GC_malloc(sizeof(struct oND_pairs)

+nd_wpd*sizeof(unsigned int));

+(nd_wpd-1)*sizeof(unsigned int));

p->next = _ndp_free_list; _ndp_free_list = p;

}

Line 296 INLINE int ndl_reducible(unsigned int *d1,unsigned int

Line 365 INLINE int ndl_reducible(unsigned int *d1,unsigned int

if ( TD(d1) < TD(d2) ) return 0;

switch ( nd_bpe ) {

case 4:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u1 = d1[i]; u2 = d2[i];

if ( (u1&0xf0000000) < (u2&0xf0000000) ) return 0;

if ( (u1&0xf000000) < (u2&0xf000000) ) return 0;

Line 310 INLINE int ndl_reducible(unsigned int *d1,unsigned int

Line 379 INLINE int ndl_reducible(unsigned int *d1,unsigned int

return 1;

break;

case 6:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u1 = d1[i]; u2 = d2[i];

if ( (u1&0x3f000000) < (u2&0x3f000000) ) return 0;

if ( (u1&0xfc0000) < (u2&0xfc0000) ) return 0;

Line 321 INLINE int ndl_reducible(unsigned int *d1,unsigned int

Line 390 INLINE int ndl_reducible(unsigned int *d1,unsigned int

return 1;

break;

case 8:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u1 = d1[i]; u2 = d2[i];

if ( (u1&0xff000000) < (u2&0xff000000) ) return 0;

if ( (u1&0xff0000) < (u2&0xff0000) ) return 0;

Line 331 INLINE int ndl_reducible(unsigned int *d1,unsigned int

Line 400 INLINE int ndl_reducible(unsigned int *d1,unsigned int

return 1;

break;

case 16:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u1 = d1[i]; u2 = d2[i];

if ( (u1&0xffff0000) < (u2&0xffff0000) ) return 0;

if ( (u1&0xffff) < (u2&0xffff) ) return 0;

Line 339 INLINE int ndl_reducible(unsigned int *d1,unsigned int

Line 408 INLINE int ndl_reducible(unsigned int *d1,unsigned int

return 1;

break;

case 32:

for ( i = 1; i <= nd_wpd; i++ )

for ( i = nd_exporigin; i < nd_wpd; i++ )

if ( d1[i] < d2[i] ) return 0;

return 1;

break;

default:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; 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;

Line 359 void ndl_dehomogenize(unsigned int *d)

Line 428 void ndl_dehomogenize(unsigned int *d)

unsigned int h;

int i,bits;

if ( nd_isrlex ) {

if ( nd_blockmask ) {

if ( nd_bpe == 32 ) {

h = GET_EXP(d,nd_nvar-1);

h = d[1];

TD(d) -= h;

for ( i = 2; i <= nd_wpd; i++ )

d[nd_exporigin-1] -= h;

d[i-1] = d[i];

} else {

d[i-1] = 0;

if ( nd_isrlex ) {

TD(d) -= h;

if ( nd_bpe == 32 ) {

} else {

h = d[nd_exporigin];

bits = nd_epw*nd_bpe;

for ( i = nd_exporigin+1; i < nd_wpd; i++ )

mask = bits==32?0xffffffff:((1<<(nd_epw*nd_bpe))-1);

d[i-1] = d[i];

h = (d[1]>>((nd_epw-1)*nd_bpe))&nd_mask0;

d[i-1] = 0;

for ( i = 1; i <= nd_wpd; i++ )

TD(d) -= h;

d[i] = ((d[i]<<nd_bpe)&mask)

} else {

|(i+1<=nd_wpd?((d[i+1]>>((nd_epw-1)*nd_bpe))&nd_mask0):0);

bits = nd_epw*nd_bpe;

TD(d) -= h;

mask = bits==32?0xffffffff:((1<<(nd_epw*nd_bpe))-1);

}

h = (d[nd_exporigin]>>((nd_epw-1)*nd_bpe))&nd_mask0;

} else

for ( i = nd_exporigin; i < nd_wpd; i++ )

TD(d) -= ((d[(nd_nvar-1)/nd_epw+1]>>

d[i] = ((d[i]<<nd_bpe)&mask)

((nd_epw-((nd_nvar-1)%nd_epw)-1)*nd_bpe))&((1<<nd_bpe)-1));

|(i+1<nd_wpd?((d[i+1]>>((nd_epw-1)*nd_bpe))&nd_mask0):0);

TD(d) -= h;

}

} else

TD(d) -= GET_EXP(d,nd_nvar-1);

}

void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned int *d)

{

unsigned int t1,t2,u,u1,u2;

int i,j;

int i,j,l;

switch ( nd_bpe ) {

case 4:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u1 = d1[i]; u2 = d2[i];

t1 = (u1&0xf0000000); t2 = (u2&0xf0000000); u = t1>t2?t1:t2;

t1 = (u1&0xf000000); t2 = (u2&0xf000000); u |= t1>t2?t1:t2;

Line 401 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

Line 475 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

}

break;

case 6:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; 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;

Line 412 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

Line 486 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

}

break;

case 8:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; 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;

Line 422 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

Line 496 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

}

break;

case 16:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; 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;

Line 430 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

Line 504 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

}

break;

case 32:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u1 = d1[i]; u2 = d2[i];

d[i] = u1>u2?u1:u2;

}

break;

default:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; 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;

Line 445 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

Line 519 void ndl_lcm(unsigned int *d1,unsigned *d2,unsigned in

}

break;

}

TD(d) = ndl_td(d);

TD(d) = ndl_weight(d);

if ( nd_blockmask ) {

l = nd_blockmask->n;

for ( j = 0; j < l; j++ )

d[j+1] = ndl_weight_mask(d,j);

}

int ndl_td(unsigned int *d)

int ndl_weight(unsigned int *d)

{

unsigned int t,u;

int i,j;

for ( t = 0, i = 1; i <= nd_wpd; i++ ) {

for ( t = 0, i = nd_exporigin; i < nd_wpd; i++ ) {

u = d[i];

for ( j = 0; j < nd_epw; j++, u>>=nd_bpe )

t += (u&nd_mask0);

Line 461 int ndl_td(unsigned int *d)

Line 540 int ndl_td(unsigned int *d)

return t;

}

INLINE int ndl_lex_compare(unsigned int *d1,unsigned int *d2)

int ndl_weight_mask(unsigned int *d,int index)

{

unsigned int t,u;

unsigned int *mask;

int i,j;

mask = nd_blockmask->mask[index];

for ( t = 0, i = nd_exporigin; i < nd_wpd; i++ ) {

u = d[i]&mask[i];

for ( j = 0; j < nd_epw; j++, u>>=nd_bpe )

t += (u&nd_mask0);

}

return t;

}

int ndl_lex_compare(unsigned int *d1,unsigned int *d2)

{

int i;

for ( i = 0; i < nd_wpd; i++, d1++, d2++ )

d1 += nd_exporigin;

d2 += nd_exporigin;

for ( i = nd_exporigin; i < nd_wpd; i++, d1++, d2++ )

if ( *d1 > *d2 )

return nd_isrlex ? -1 : 1;

else if ( *d1 < *d2 )

Line 473 INLINE int ndl_lex_compare(unsigned int *d1,unsigned i

Line 569 INLINE int ndl_lex_compare(unsigned int *d1,unsigned i

return 0;

}

int ndl_block_compare(unsigned int *d1,unsigned int *d2)

{

int i,l,j,ord_o,ord_l;

struct order_pair *op;

unsigned int t1,t2,m;

unsigned int *mask;

l = nd_blockmask->n;

op = nd_blockmask->order_pair;

for ( j = 0; j < l; j++ ) {

mask = nd_blockmask->mask[j];

ord_o = op[j].order;

if ( ord_o < 2 )

if ( (t1=d1[j+1]) > (t2=d2[j+1]) ) return 1;

else if ( t1 < t2 ) return -1;

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

m = mask[i];

t1 = d1[i]&m;

t2 = d2[i]&m;

if ( t1 > t2 )

return !ord_o ? -1 : 1;

else if ( t1 < t2 )

return !ord_o ? 1 : -1;

}

return 0;

}

INLINE int ndl_equal(unsigned int *d1,unsigned int *d2)

{

int i;

if ( *d1++ != *d2++ ) return 0;

for ( i = 0; i < nd_wpd; i++ )

for ( i = 1; i <= nd_wpd; i++ )

if ( *d1++ != *d2++ )

return 0;

return 1;

Line 489 INLINE void ndl_copy(unsigned int *d1,unsigned int *d2

Line 612 INLINE void ndl_copy(unsigned int *d1,unsigned int *d2

int i;

switch ( nd_wpd ) {

case 1:

case 2:

TD(d2) = TD(d1);

d2[1] = d1[1];

break;

case 2:

case 3:

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;

}

Line 509 INLINE void ndl_add(unsigned int *d1,unsigned int *d2,

Line 632 INLINE void ndl_add(unsigned int *d1,unsigned int *d2,

{

int i;

TD(d) = TD(d1)+TD(d2);

#if 1

switch ( nd_wpd ) {

case 1:

case 2:

TD(d) = TD(d1)+TD(d2);

d[1] = d1[1]+d2[1];

break;

case 2:

case 3:

TD(d) = TD(d1)+TD(d2);

d[1] = d1[1]+d2[1];

d[2] = d1[2]+d2[2];

break;

default:

for ( i = 1; i <= nd_wpd; i++ )

for ( i = 0; i < nd_wpd; i++ ) d[i] = d1[i]+d2[i];

d[i] = d1[i]+d2[i];

break;

}

#else

for ( i = 0; i < nd_wpd; i++ ) d[i] = d1[i]+d2[i];

#endif

}

INLINE 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];

d[i] = d1[i]-d2[i];

}

int ndl_disjoint(unsigned int *d1,unsigned int *d2)

Line 540 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

Line 666 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

switch ( nd_bpe ) {

case 4:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; 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;

Line 554 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

Line 680 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

return 1;

break;

case 6:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; 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;

Line 565 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

Line 691 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

return 1;

break;

case 8:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; 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;

Line 575 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

Line 701 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

return 1;

break;

case 16:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; 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;

Line 583 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

Line 709 int ndl_disjoint(unsigned int *d1,unsigned int *d2)

return 1;

break;

case 32:

for ( i = 1; i <= nd_wpd; i++ )

for ( i = nd_exporigin; i < nd_wpd; i++ )

if ( d1[i] && d2[i] ) return 0;

return 1;

break;

default:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; 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;

Line 610 int ndl_check_bound2(int index,unsigned int *d2)

Line 736 int ndl_check_bound2(int index,unsigned int *d2)

ind = 0;

switch ( nd_bpe ) {

case 4:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; 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;

Line 624 int ndl_check_bound2(int index,unsigned int *d2)

Line 750 int ndl_check_bound2(int index,unsigned int *d2)

return 0;

break;

case 6:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; 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;

Line 635 int ndl_check_bound2(int index,unsigned int *d2)

Line 761 int ndl_check_bound2(int index,unsigned int *d2)

return 0;

break;

case 8:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; 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;

Line 645 int ndl_check_bound2(int index,unsigned int *d2)

Line 771 int ndl_check_bound2(int index,unsigned int *d2)

return 0;

break;

case 16:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u2 = d2[i];

if ( d1[ind++]+((u2>>16)&0xffff) > 0x10000 ) return 1;

if ( d1[ind++]+(u2&0xffff) > 0x10000 ) return 1;

Line 653 int ndl_check_bound2(int index,unsigned int *d2)

Line 779 int ndl_check_bound2(int index,unsigned int *d2)

return 0;

break;

case 32:

for ( i = 1; i <= nd_wpd; i++ )

for ( i = nd_exporigin; i < nd_wpd; i++ )

if ( d1[i]+d2[i]<d1[i] ) return 1;

return 0;

break;

default:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u2 = d2[i];

k = (nd_epw-1)*nd_bpe;

for ( j = 0; j < nd_epw; j++, k -= nd_bpe )

Line 676 int ndl_check_bound2_direct(unsigned int *d1,unsigned

Line 802 int ndl_check_bound2_direct(unsigned int *d1,unsigned

switch ( nd_bpe ) {

case 4:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u1 = d1[i]; u2 = d2[i];

if ( ((u1>>28)&0xf)+((u2>>28)&0xf) >= 0x10 ) return 1;

if ( ((u1>>24)&0xf)+((u2>>24)&0xf) >= 0x10 ) return 1;

Line 690 int ndl_check_bound2_direct(unsigned int *d1,unsigned

Line 816 int ndl_check_bound2_direct(unsigned int *d1,unsigned

return 0;

break;

case 6:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; 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;

Line 701 int ndl_check_bound2_direct(unsigned int *d1,unsigned

Line 827 int ndl_check_bound2_direct(unsigned int *d1,unsigned

return 0;

break;

case 8:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; 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;

Line 711 int ndl_check_bound2_direct(unsigned int *d1,unsigned

Line 837 int ndl_check_bound2_direct(unsigned int *d1,unsigned

return 0;

break;

case 16:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; 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;

Line 719 int ndl_check_bound2_direct(unsigned int *d1,unsigned

Line 845 int ndl_check_bound2_direct(unsigned int *d1,unsigned

return 0;

break;

case 32:

for ( i = 1; i <= nd_wpd; i++ )

for ( i = nd_exporigin; i < nd_wpd; i++ )

if ( d1[i]+d2[i]<d1[i] ) return 1;

return 0;

break;

default:

for ( i = 1; i <= nd_wpd; i++ ) {

for ( i = nd_exporigin; i < nd_wpd; i++ ) {

u1 = d1[i]; u2 = d2[i];

k = (nd_epw-1)*nd_bpe;

for ( j = 0; j < nd_epw; j++, k -= nd_bpe )

Line 742 INLINE int ndl_hash_value(unsigned int *d)

Line 868 INLINE int ndl_hash_value(unsigned int *d)

int r;

r = 0;

for ( i = 0; i <= nd_wpd; i++ )

for ( i = 0; i < nd_wpd; i++ )

r = ((r<<16)+d[i])%REDTAB_LEN;

return r;

}

Line 754 INLINE int nd_find_reducer(ND g)

Line 880 INLINE int nd_find_reducer(ND g)

int d,k,i;

dg = HDL(g);

#if 1

d = ndl_hash_value(HDL(g));

for ( r = nd_red[d], k = 0; r; r = NEXT(r), k++ ) {

if ( ndl_equal(dg,DL(r)) ) {

Line 762 INLINE int nd_find_reducer(ND g)

Line 889 INLINE int nd_find_reducer(ND g)

return r->index;

}

#endif

if ( Reverse )

for ( i = nd_psn-1; i >= 0; i-- ) {

r = nd_psh[i];

Line 925 int nd_nf(int mod,ND g,int full,ND *rp)

Line 1053 int nd_nf(int mod,ND g,int full,ND *rp)

sugar0 = sugar = SG(g);

n = NV(g);

mul = (NM)ALLOCA(sizeof(struct oNM)+nd_wpd*sizeof(unsigned int));

mul = (NM)ALLOCA(sizeof(struct oNM)+(nd_wpd-1)*sizeof(unsigned int));

for ( d = 0; g; ) {

index = nd_find_reducer(g);

if ( index >= 0 ) {

Line 997 int nd_nf_pbucket(int mod,ND g,int full,ND *rp)

Line 1125 int nd_nf_pbucket(int mod,ND g,int full,ND *rp)

bucket = create_pbucket();

add_pbucket(mod,bucket,g);

d = 0;

mul = (NM)ALLOCA(sizeof(struct oNM)+nd_wpd*sizeof(unsigned int));

mul = (NM)ALLOCA(sizeof(struct oNM)+(nd_wpd-1)*sizeof(unsigned int));

while ( 1 ) {

hindex = mod?head_pbucket(mod,bucket):head_pbucket_q(bucket);

if ( hindex < 0 ) {

Line 1095 int nd_nf_direct(int mod,ND g,NDV *ps,int len,int full

Line 1223 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*sizeof(unsigned int));

mul = (NM)ALLOCA(sizeof(struct oNM)+(nd_wpd-1)*sizeof(unsigned int));

for ( d = 0; g; ) {

index = nd_find_reducer_direct(g,ps,len);

if ( index >= 0 ) {

Line 1171 int nd_nf_direct_pbucket(int mod,ND g,NDV *ps,int len,

Line 1299 int nd_nf_direct_pbucket(int mod,ND g,NDV *ps,int len,

bucket = create_pbucket();

add_pbucket(mod,bucket,g);

d = 0;

mul = (NM)ALLOCA(sizeof(struct oNM)+nd_wpd*sizeof(unsigned int));

mul = (NM)ALLOCA(sizeof(struct oNM)+(nd_wpd-1)*sizeof(unsigned int));

while ( 1 ) {

hindex = mod?head_pbucket(mod,bucket):head_pbucket_q(bucket);

if ( hindex < 0 ) {

Line 1249 int nd_check_candidate(NODE input,NODE cand)

Line 1377 int nd_check_candidate(NODE input,NODE cand)

ND nf,d;

NODE t;

nd_setup(0,cand);

nd_setup(0,0,cand);

n = length(cand);

/* membercheck : list is a subset of Id(cand) ? */

Line 1450 again:

Line 1578 again:

d = nd_reconstruct(m,0,d);

goto again;

}

#if USE_GEOBUCKET

stat = m?nd_nf_pbucket(m,h,!Top,&nf):nd_nf(m,h,!Top,&nf);

#else

stat = nd_nf(m,h,!Top,&nf);

#endif

if ( !stat ) {

NEXT(l) = d; d = l;

d = nd_reconstruct(m,0,d);

Line 1458 again:

Line 1590 again:

} else if ( nf ) {

if ( checkonly ) return 0;

printf("+"); fflush(stdout);

nh = nd_newps(m,nf);

nh = m?nd_newps(m,nf,0):nd_newps(m,0,nf);

d = update_pairs(d,g,nh);

g = update_base(g,nh);

FREENDP(l);

Line 1501 again:

Line 1633 again:

d = nd_reconstruct(m,1,d);

goto again;

}

#if USE_GEOBUCKET

stat = nd_nf_pbucket(m,h,!Top,&nf);

#else

stat = nd_nf(m,h,!Top,&nf);

#endif

if ( !stat ) {

NEXT(l) = d; d = l;

d = nd_reconstruct(m,1,d);

Line 1512 again:

Line 1648 again:

nd_nf(0,h,!Top,&nfq);

if ( nfq ) {

printf("+"); fflush(stdout);

nh = nd_newps_trace(m,nf,nfq);

nh = nd_newps(m,nf,nfq);

/* failure; m|HC(nfq) */

if ( nf < 0 ) return 0;

if ( nh < 0 ) return 0;

d = update_pairs(d,g,nh);

g = update_base(g,nh);

} else {

Line 1642 ND_pairs crit_B( ND_pairs d, int s )

Line 1778 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+1)*sizeof(unsigned int));

lcm = (unsigned int *)ALLOCA(nd_wpd*sizeof(unsigned int));

while ( cur ) {

tl = cur->lcm;

if ( ndl_reducible(tl,t)

Line 1750 int crit_2( int dp1, int dp2 )

Line 1886 int crit_2( int dp1, int dp2 )

return ndl_disjoint(DL(nd_psh[dp1]),DL(nd_psh[dp2]));

}

static ND_pairs equivalent_pairs( ND_pairs d1, ND_pairs *prest )

ND_pairs equivalent_pairs( ND_pairs d1, ND_pairs *prest )

{

ND_pairs w,p,r,s;

unsigned int *d;

Line 1762 static ND_pairs equivalent_pairs( ND_pairs d1, ND_pair

Line 1898 static ND_pairs equivalent_pairs( ND_pairs d1, ND_pair

for ( r = 0; s; s = p ) {

p = NEXT(s);

if ( ndl_equal(d,LCM(s)) ) {

NEXT(s) = w;

NEXT(s) = w; w = s;

w = s;

} else {

NEXT(s) = r;

NEXT(s) = r; r = s;

r = s;

}

*prest = r;

Line 1808 ND_pairs nd_minp( ND_pairs d, ND_pairs *prest )

Line 1942 ND_pairs nd_minp( ND_pairs d, ND_pairs *prest )

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;

ml = l; m = p; s = SG(m);

m = p;

s = SG(m);

}

if ( !ml ) *prest = NEXT(m);

else {

Line 1821 ND_pairs nd_minp( ND_pairs d, ND_pairs *prest )

Line 1953 ND_pairs nd_minp( ND_pairs d, ND_pairs *prest )

return m;

}

int nd_newps(int mod,ND a)

int nd_newps(int mod,ND a,ND aq)

{

int len;

RHist r;

Line 1835 int nd_newps(int mod,ND a)

Line 1967 int nd_newps(int mod,ND a)

nd_bound = (unsigned int **)

REALLOC((char *)nd_bound,nd_pslen*sizeof(unsigned int *));

}

nd_removecont(mod,a);

if ( a && aq ) {

nd_bound[nd_psn] = nd_compute_bound(a);

/* trace lifting */

NEWRHist(r); SG(r) = SG(a); ndl_copy(HDL(a),DL(r));

if ( !rem(NM(HCQ(aq)),mod) ) return -1;

nd_psh[nd_psn] = r;

b = ndtondv(mod,a);

len = LEN(b);

if ( mod )

nd_ps[nd_psn] = b;

else

nd_psq[nd_psn] = b;

nd_free(a);

return nd_psn++;

}

int nd_newps_trace(int mod,ND nf,ND nfq)

{

int len;

RHist r;

NDV b;

if ( nd_psn == nd_pslen ) {

nd_pslen *= 2;

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));

nd_bound = (unsigned int **)

REALLOC((char *)nd_bound,nd_pslen*sizeof(unsigned int *));

}

if ( !rem(NM(HCQ(nfq)),mod) ) return -1;

NEWRHist(r); nd_psh[nd_psn] = r;

nd_removecont(mod,nf);

if ( aq ) {

nd_ps[nd_psn] = ndtondv(mod,nf);

nd_removecont(0,aq);

nd_psq[nd_psn] = ndtondv(0,aq);

nd_removecont(0,nfq);

nd_bound[nd_psn] = nd_compute_bound(aq);

nd_psq[nd_psn] = ndtondv(0,nfq);

SG(r) = SG(aq); ndl_copy(HDL(aq),DL(r));

nd_bound[nd_psn] = nd_compute_bound(nfq);

NEWRHist(r); SG(r) = SG(nf); ndl_copy(HDL(nf),DL(r));

nd_psh[nd_psn] = r;

nd_free(nf); nd_free(nfq);

return nd_psn++;

}

void nd_setup(int mod,NODE f)

{

int i,j,td,len,max;

NODE s,s0,f0;

unsigned int *d;

RHist r;

NDV a;

nd_found = 0; nd_notfirst = 0; nd_create = 0;

nd_psn = length(f); nd_pslen = 2*nd_psn;

nd_ps = (NDV *)MALLOC(nd_pslen*sizeof(NDV));

nd_psq = (NDV *)MALLOC(nd_pslen*sizeof(NDV));

nd_psh = (RHist *)MALLOC(nd_pslen*sizeof(RHist));

nd_bound = (unsigned int **)MALLOC(nd_pslen*sizeof(unsigned int *));

for ( max = 0, i = 0, s = f; i < nd_psn; i++, s = NEXT(s) ) {

nd_bound[i] = d = dp_compute_bound((DP)BDY(s));

for ( j = 0; j < nd_nvar; j++ )

max = MAX(d[j],max);

}

if ( !nd_red )

if ( a ) {

nd_red = (RHist *)MALLOC(REDTAB_LEN*sizeof(RHist));

nd_removecont(mod,a);

bzero(nd_red,REDTAB_LEN*sizeof(RHist));

nd_ps[nd_psn] = ndtondv(mod,a);

if ( !aq ) {

if ( max < 2 ) nd_bpe = 2;

nd_bound[nd_psn] = nd_compute_bound(a);

else if ( max < 4 ) nd_bpe = 4;

SG(r) = SG(a); ndl_copy(HDL(a),DL(r));

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();

len = 0;

for ( i = 0; i < nd_psn; i++, f = NEXT(f) ) {

NEWRHist(r);

a = dptondv(mod,(DP)BDY(f));

ndv_removecont(mod,a);

len = MAX(len,LEN(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;

}

nd_free(a); nd_free(aq);

return nd_psn++;

}

void nd_setup_trace(int mod,NODE f)

void nd_setup(int mod,int trace,NODE f)

{

int i,j,td,len,max;

NODE s,s0,f0;

Line 1956 void nd_setup_trace(int mod,NODE f)

Line 2023 void nd_setup_trace(int mod,NODE f)

nd_setup_parameters();

nd_free_private_storage();

len = 0;

for ( i = 0; i < nd_psn; i++, f = NEXT(f) ) {

a = dptondv(mod,(DP)BDY(f)); ndv_removecont(mod,a); nd_ps[i] = a;

a = dptondv(0,(DP)BDY(f)); ndv_removecont(0,a); nd_psq[i] = a;

NEWRHist(r);

len = MAX(len,LEN(a));

a = dptondv(mod,(DP)BDY(f)); ndv_removecont(mod,a);

SG(r) = HTD(a); ndl_copy(HDL(a),DL(r));

if ( trace ) {

nd_ps[i] = a;

a = dptondv(0,(DP)BDY(f)); ndv_removecont(0,a);

nd_psq[i] = a;

} else {

if ( mod ) nd_ps[i] = a;

else nd_psq[i] = a;

}

nd_psh[i] = r;

}

Line 1984 void nd_gr(LIST f,LIST v,int m,struct order_spec *ord,

Line 2057 void nd_gr(LIST f,LIST v,int m,struct order_spec *ord,

NEXTNODE(fd0,fd); BDY(fd) = (pointer)b;

}

if ( fd0 ) NEXT(fd) = 0;

nd_setup(m,fd0);

nd_setup(m,0,fd0);

x = nd_gb(m,0);

fprintf(asir_out,"found=%d,notfirst=%d,create=%d\n",

nd_found,nd_notfirst,nd_create);

Line 2040 void nd_gr_trace(LIST f,LIST v,int m,int homo,struct o

Line 2113 void nd_gr_trace(LIST f,LIST v,int m,int homo,struct o

nd_init_ord(ord);

}

do {

nd_setup_trace(m,fd0);

nd_setup(m,1,fd0);

cand = nd_gb_trace(m);

if ( !cand ) continue;

if ( homo ) {

Line 2074 void nd_gr_trace(LIST f,LIST v,int m,int homo,struct o

Line 2147 void nd_gr_trace(LIST f,LIST v,int m,int homo,struct o

void dltondl(int n,DL dl,unsigned int *r)

{

unsigned int *d;

int i;

int i,j,l,s,ord_l,ord_o;

struct order_pair *op;

d = dl->d;

for ( i = 0; i <= nd_wpd; i++ ) r[i] = 0;

for ( i = 0; i < nd_wpd; i++ ) r[i] = 0;

if ( nd_isrlex )

if ( nd_blockmask ) {

for ( i = 0; i < n; i++ )

l = nd_blockmask->n;

r[(n-1-i)/nd_epw+1] |= (d[i]<<((nd_epw-((n-1-i)%nd_epw)-1)*nd_bpe));

op = nd_blockmask->order_pair;

else

for ( j = 0, s = 0; j < l; j++ ) {

for ( i = 0; i < n; i++ )

ord_o = op[j].order;

r[i/nd_epw+1] |= d[i]<<((nd_epw-(i%nd_epw)-1)*nd_bpe);

ord_l = op[j].length;

TD(r) = ndl_td(r);

if ( !ord_o )

for ( i = 0; i < ord_l; i++ )

PUT_EXP(r,s+ord_l-i-1,d[s+i]);

else

for ( i = 0; i < ord_l; i++ )

PUT_EXP(r,s+i,d[s+i]);

s += ord_l;

}

TD(r) = ndl_weight(r);

for ( j = 0; j < l; j++ )

r[j+1] = ndl_weight_mask(r,j);

} else {

if ( nd_isrlex )

for ( i = 0; i < n; i++ ) PUT_EXP(r,n-1-i,d[i]);

else

for ( i = 0; i < n; i++ ) PUT_EXP(r,i,d[i]);

TD(r) = ndl_weight(r);

}

DL ndltodl(int n,unsigned int *ndl)

{

DL dl;

int *d;

int i;

int i,j,l,s,ord_l,ord_o;

struct order_pair *op;

NEWDL(dl,n);

dl->td = TD(ndl);

d = dl->d;

if ( nd_isrlex )

if ( nd_blockmask ) {

for ( i = 0; i < n; i++ )

l = nd_blockmask->n;

d[i] = (ndl[(n-1-i)/nd_epw+1]>>((nd_epw-((n-1-i)%nd_epw)-1)*nd_bpe))

op = nd_blockmask->order_pair;

&((1<<nd_bpe)-1);

for ( j = 0, s = 0; j < l; j++ ) {

else

ord_o = op[j].order;

for ( i = 0; i < n; i++ )

ord_l = op[j].length;

d[i] = (ndl[i/nd_epw+1]>>((nd_epw-(i%nd_epw)-1)*nd_bpe))

if ( !ord_o )

&((1<<nd_bpe)-1);

for ( i = 0; i < ord_l; i++ )

d[s+i] = GET_EXP(ndl,s+ord_l-i-1);

else

for ( i = 0; i < ord_l; i++ )

d[s+i] = GET_EXP(ndl,s+i);

s += ord_l;

}

} else {

if ( nd_isrlex )

for ( i = 0; i < n; i++ )

d[i] = GET_EXP(ndl,n-1-i);

else

for ( i = 0; i < n; i++ )

d[i] = GET_EXP(ndl,i);

}

return dl;

}

Line 2156 DP ndtodp(int mod,ND p)

Line 2262 DP ndtodp(int mod,ND p)

void ndl_print(unsigned int *dl)

{

int n;

int i;

int i,j,l,ord_o,ord_l,s,s0;

struct order_pair *op;

n = nd_nvar;

printf("<<");

if ( nd_isrlex )

if ( nd_blockmask ) {

for ( i = 0; i < n; i++ )

l = nd_blockmask->n;

printf(i==n-1?"%d":"%d,",

op = nd_blockmask->order_pair;

(dl[(n-1-i)/nd_epw+1]>>((nd_epw-((n-1-i)%nd_epw)-1)*nd_bpe))

for ( j = 0, s = s0 = 0; j < l; j++ ) {

&((1<<nd_bpe)-1));

ord_o = op[j].order;

else

ord_l = op[j].length;

for ( i = 0; i < n; i++ )

if ( !ord_o )

printf(i==n-1?"%d":"%d,",

for ( i = 0, s0 += ord_l; i < ord_l; i++, s++ )

(dl[i/nd_epw+1]>>((nd_epw-(i%nd_epw)-1)*nd_bpe))

printf(s==n-1?"%d":"%d,",GET_EXP(dl,s0-i-1));

&((1<<nd_bpe)-1));

else

for ( i = 0; i < ord_l; i++, s++ )

printf(s==n-1?"%d":"%d,",GET_EXP(dl,s));

}

} else {

if ( nd_isrlex )

for ( i = 0; i < n; i++ ) printf(i==n-1?"%d":"%d,",GET_EXP(dl,n-1-i));

else

for ( i = 0; i < n; i++ ) printf(i==n-1?"%d":"%d,",GET_EXP(dl,i));

}

printf(">>");

}

Line 2293 void ndv_dehomogenize(NDV p)

Line 2409 void ndv_dehomogenize(NDV p)

len = p->len;

newnvar = nd_nvar-1;

newwpd = newnvar/nd_epw+(newnvar%nd_epw?1:0);

newwpd = newnvar/nd_epw+(newnvar%nd_epw?1:0)+nd_exporigin;

for ( m = BDY(p), i = 0; i < len; NMV_ADV(m), i++ )

ndl_dehomogenize(DL(m));

if ( newwpd != nd_wpd ) {

d = (unsigned int *)ALLOCA((newwpd+1)*sizeof(unsigned int));

d = (unsigned int *)ALLOCA(newwpd*sizeof(unsigned int));

newadv = sizeof(struct oNMV)+newwpd*sizeof(unsigned int);

newadv = sizeof(struct oNMV)+(newwpd-1)*sizeof(unsigned int);

for ( m = r = BDY(p), i = 0; i < len; NMV_ADV(m), NEWADV(r), i++ ) {

CQ(r) = CQ(m); ndl_copy(DL(m),d); ndl_copy(d,DL(r));

}

Line 2440 unsigned int *nd_compute_bound(ND p)

Line 2556 unsigned int *nd_compute_bound(ND p)

}

l = nd_nvar+31;

t = (unsigned int *)MALLOC_ATOMIC(l*sizeof(unsigned int));

for ( i = 0; i < l; i++ ) t[i] = 0;

for ( i = 0; i < nd_nvar; i++ ) t[i] = GET_EXP(d1,i);

for ( i = 0; i < nd_nvar; i++ )

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;

}

void nd_setup_parameters() {

int i;

int i,n,elen;

nd_epw = (sizeof(unsigned int)*8)/nd_bpe;

nd_wpd = nd_nvar/nd_epw+(nd_nvar%nd_epw?1:0);

elen = nd_nvar/nd_epw+(nd_nvar%nd_epw?1:0);

switch ( nd_ord->id ) {

case 0:

nd_exporigin = 1;

break;

case 1:

/* block order */

/* d[0]:weight d[1]:w0,...,d[nd_exporigin-1]:w(n-1) */

nd_exporigin = nd_ord->ord.block.length+1;

break;

case 2:

error("nd_setup_parameters : matrix order is not supported yet.");

break;

}

nd_wpd = nd_exporigin+elen;

nd_epos = (EPOS)MALLOC_ATOMIC(nd_nvar*sizeof(struct oEPOS));

for ( i = 0; i < nd_nvar; i++ ) {

nd_epos[i].i = nd_exporigin + i/nd_epw;

nd_epos[i].s = (nd_epw-(i%nd_epw)-1)*nd_bpe;

}

if ( nd_bpe < 32 ) {

nd_mask0 = (1<<nd_bpe)-1;

} else {

Line 2463 void nd_setup_parameters() {

Line 2597 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*sizeof(unsigned int);

nm_adv = sizeof(struct oNM)+(nd_wpd-1)*sizeof(unsigned int);

nmv_adv = sizeof(struct oNMV)+nd_wpd*sizeof(unsigned int);

nmv_adv = sizeof(struct oNMV)+(nd_wpd-1)*sizeof(unsigned int);

nd_blockmask = nd_create_blockmask(nd_ord);

}

/* mod < 0 => realloc nd_ps and pd_psq */

ND_pairs nd_reconstruct(int mod,int trace,ND_pairs d)

{

int i,obpe,oadv,h;

Line 2477 ND_pairs nd_reconstruct(int mod,int trace,ND_pairs d)

Line 2610 ND_pairs nd_reconstruct(int mod,int trace,ND_pairs d)

RHist r;

RHist *old_red;

ND_pairs s0,s,t,prev_ndp_free_list;

EPOS oepos;

obpe = nd_bpe;

oadv = nmv_adv;

oepos = nd_epos;

if ( obpe < 4 ) nd_bpe = 4;

else if ( obpe < 6 ) nd_bpe = 6;

else if ( obpe < 8 ) nd_bpe = 8;

Line 2493 ND_pairs nd_reconstruct(int mod,int trace,ND_pairs d)

Line 2628 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,oepos);

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,oepos);

s0 = 0;

for ( t = d; t; t = NEXT(t) ) {

NEXTND_pairs(s0,s);

s->i1 = t->i1;

s->i2 = t->i2;

SG(s) = SG(t);

ndl_dup(obpe,LCM(t),LCM(s));

ndl_reconstruct(obpe,oepos,LCM(t),LCM(s));

}

old_red = (RHist *)ALLOCA(REDTAB_LEN*sizeof(RHist));

Line 2515 ND_pairs nd_reconstruct(int mod,int trace,ND_pairs d)

Line 2650 ND_pairs nd_reconstruct(int mod,int trace,ND_pairs d)

NEWRHist(mr);

mr->index = r->index;

SG(mr) = SG(r);

ndl_dup(obpe,DL(r),DL(mr));

ndl_reconstruct(obpe,oepos,DL(r),DL(mr));

h = ndl_hash_value(DL(mr));

NEXT(mr) = nd_red[h];

nd_red[h] = mr;

Line 2524 ND_pairs nd_reconstruct(int mod,int trace,ND_pairs d)

Line 2659 ND_pairs nd_reconstruct(int mod,int trace,ND_pairs d)

old_red = 0;

for ( i = 0; i < nd_psn; i++ ) {

NEWRHist(r); SG(r) = SG(nd_psh[i]);

ndl_dup(obpe,DL(nd_psh[i]),DL(r));

ndl_reconstruct(obpe,oepos,DL(nd_psh[i]),DL(r));

nd_psh[i] = r;

}

if ( s0 ) NEXT(s) = 0;

Line 2542 void nd_reconstruct_direct(int mod,NDV *ps,int len)

Line 2677 void nd_reconstruct_direct(int mod,NDV *ps,int len)

RHist r;

RHist *old_red;

ND_pairs s0,s,t,prev_ndp_free_list;

EPOS oepos;

obpe = nd_bpe;

oadv = nmv_adv;

oepos = nd_epos;

if ( obpe < 4 ) nd_bpe = 4;

else if ( obpe < 6 ) nd_bpe = 6;

else if ( obpe < 8 ) nd_bpe = 8;

Line 2556 void nd_reconstruct_direct(int mod,NDV *ps,int len)

Line 2693 void nd_reconstruct_direct(int mod,NDV *ps,int len)

prev_nm_free_list = _nm_free_list;

prev_ndp_free_list = _ndp_free_list;

_nm_free_list = 0; _ndp_free_list = 0;

if ( mod != 0 )

for ( i = len-1; i >= 0; i-- ) ndv_realloc(ps[i],obpe,oadv,oepos);

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];

Line 2568 void nd_reconstruct_direct(int mod,NDV *ps,int len)

Line 2704 void nd_reconstruct_direct(int mod,NDV *ps,int len)

NEWRHist(mr);

mr->index = r->index;

SG(mr) = SG(r);

ndl_dup(obpe,DL(r),DL(mr));

ndl_reconstruct(obpe,oepos,DL(r),DL(mr));

h = ndl_hash_value(DL(mr));

NEXT(mr) = nd_red[h];

nd_red[h] = mr;

Line 2580 void nd_reconstruct_direct(int mod,NDV *ps,int len)

Line 2716 void nd_reconstruct_direct(int mod,NDV *ps,int len)

GC_gcollect();

}

void ndl_dup(int obpe,unsigned int *d,unsigned int *r)

void ndl_reconstruct(int obpe,EPOS oepos,unsigned int *d,unsigned int *r)

{

int n,i,ei,oepw,cepw,cbpe;

int n,i,ei,oepw,omask0,j,s,ord_l,ord_o,l;

struct order_pair *op;

#define GET_EXP_OLD(d,a) (((d)[oepos[a].i]>>oepos[a].s)&omask0)

#define PUT_EXP_OLD(r,a,e) ((r)[oepos[a].i] |= ((e)<<oepos[a].s))

n = nd_nvar;

oepw = (sizeof(unsigned int)*8)/obpe;

cepw = nd_epw;

omask0 = (1<<obpe)-1;

cbpe = nd_bpe;

TD(r) = TD(d);

for ( i = 1; i <= nd_wpd; i++ ) r[i] = 0;

for ( i = nd_exporigin; i < nd_wpd; i++ ) r[i] = 0;

if ( nd_isrlex )

if ( nd_blockmask ) {

for ( i = 0; i < n; i++ ) {

l = nd_blockmask->n;

ei = (d[(n-1-i)/oepw+1]>>((oepw-((n-1-i)%oepw)-1)*obpe))

op = nd_blockmask->order_pair;

&((1<<obpe)-1);

for ( i = 1; i < nd_exporigin; i++ )

r[(n-1-i)/cepw+1] |= (ei<<((cepw-((n-1-i)%cepw)-1)*cbpe));

r[i] = d[i];

for ( j = 0, s = 0; j < l; j++ ) {

ord_o = op[j].order;

ord_l = op[j].length;

if ( !ord_o )

for ( i = 0; i < ord_l; i++ ) {

ei = GET_EXP_OLD(d,s+ord_l-i-1);

PUT_EXP(r,s+ord_l-i-1,ei);

}

else

for ( i = 0; i < ord_l; i++ ) {

ei = GET_EXP_OLD(d,s+i);

PUT_EXP(r,s+i,ei);

}

s += ord_l;

}

else

} else {

for ( i = 0; i < n; i++ ) {

if ( nd_isrlex )

ei = (d[i/oepw+1]>>((oepw-(i%oepw)-1)*obpe))

for ( i = 0; i < n; i++ ) {

&((1<<obpe)-1);

ei = GET_EXP_OLD(d,n-1-i);

r[i/cepw+1] |= (ei<<((cepw-(i%cepw)-1)*cbpe));

PUT_EXP(r,n-1-i,ei);

}

else

for ( i = 0; i < n; i++ ) {

void nd_realloc(ND p,int obpe)

ei = GET_EXP_OLD(d,i);

{

PUT_EXP(r,i,ei);

NM m,mr,mr0;

}

if ( p ) {

m = BDY(p);

for ( mr0 = 0; m; m = NEXT(m) ) {

NEXTNM(mr0,mr);

CM(mr) = CM(m);

ndl_dup(obpe,DL(m),DL(mr));

}

NEXT(mr) = 0;

BDY(p) = mr0;

}

ND nd_copy(ND p)

{

NM m,mr,mr0;

int c,n,s;

int c,n;

ND r;

if ( !p )

return 0;

else {

s = sizeof(struct oNM)+nd_wpd*sizeof(unsigned int);

for ( mr0 = 0, m = BDY(p); m; m = NEXT(m) ) {

NEXTNM(mr0,mr);

CM(mr) = CM(m);

Line 2739 ND ndv_mul_nm(int mod,NDV p,NM m0)

Line 2880 ND ndv_mul_nm(int mod,NDV p,NM m0)

}

void ndv_realloc(NDV p,int obpe,int oadv)

void ndv_realloc(NDV p,int obpe,int oadv,EPOS oepos)

{

NMV m,mr,mr0,t;

int len,i,k;

Line 2756 void ndv_realloc(NDV p,int obpe,int oadv)

Line 2897 void ndv_realloc(NDV p,int obpe,int oadv)

for ( i = 0; i < len; i++, NMV_OPREV(m), NMV_PREV(mr) ) {

CQ(t) = CQ(m);

for ( k = 0; k < nd_wpd; k++ ) DL(t)[k] = 0;

ndl_dup(obpe,DL(m),DL(t));

ndl_reconstruct(obpe,oepos,DL(m),DL(t));

CQ(mr) = CQ(t);

ndl_copy(DL(t),DL(mr));

}

Line 2910 NODE nd_reducebase(NODE x)

Line 3051 NODE nd_reducebase(NODE x)

return x;

}

/* XXX incomplete */

void nd_init_ord(struct order_spec *ord)

{

if ( ord->id )

switch ( ord->id ) {

error("nd_gr : unsupported order");

nd_dcomp = 0;

switch ( ord->ord.simple ) {

case 0:

nd_dcomp = 1;

switch ( ord->ord.simple ) {

nd_isrlex = 1;

case 0:

nd_dcomp = 1;

nd_isrlex = 1;

break;

case 1:

nd_dcomp = 1;

nd_isrlex = 0;

break;

case 2:

nd_dcomp = 0;

nd_isrlex = 0;

break;

default:

error("nd_gr : unsupported order");

}

break;

case 1:

nd_dcomp = 1;

/* XXX */

nd_dcomp = -1;

nd_isrlex = 0;

nd_compare_function = ndl_block_compare;

break;

case 9:

case 2:

/* td1->td->rlex */

error("nd_init_ord : matrix order is not supported yet.");

nd_dcomp = -dp_nelim;

nd_isrlex = 1;

break;

default:

error("nd_gr : unsupported order");

}

nd_ord = ord;

}

BlockMask nd_create_blockmask(struct order_spec *ord)

{

int n,i,j,s,l;

unsigned int *t;

BlockMask bm;

if ( !ord->id )

return 0;

n = ord->ord.block.length;

bm = (BlockMask)MALLOC(sizeof(struct oBlockMask));

bm->n = n;

bm->order_pair = ord->ord.block.order_pair;

bm->mask = (unsigned int **)MALLOC(n*sizeof(unsigned int *));

for ( i = 0, s = 0; i < n; i++ ) {

bm->mask[i] = t

= (unsigned int *)MALLOC_ATOMIC(nd_wpd*sizeof(unsigned int));

for ( j = 0; j < nd_wpd; j++ ) t[j] = 0;

l = bm->order_pair[i].length;

for ( j = 0; j < l; j++, s++ ) PUT_EXP(t,s,nd_mask0);

}

return bm;

}

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