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Diff for /OpenXM/src/kan96xx/Kan/poly4.c between version 1.5 and 1.6

version 1.5, 2003/07/10 08:20:04 version 1.6, 2003/07/17 07:33:03
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 /* $OpenXM: OpenXM/src/kan96xx/Kan/poly4.c,v 1.4 2002/09/08 10:49:50 takayama Exp $ */  /* $OpenXM: OpenXM/src/kan96xx/Kan/poly4.c,v 1.5 2003/07/10 08:20:04 takayama Exp $ */
 #include <stdio.h>  #include <stdio.h>
 #include "datatype.h"  #include "datatype.h"
 #include "stackm.h"  #include "stackm.h"
Line 521  int isTheSameRing(struct ring *rstack[],int rp, struct
Line 521  int isTheSameRing(struct ring *rstack[],int rp, struct
   }    }
   return(-1);    return(-1);
 }  }
   
   /* s->1 */
   POLY goDeHomogenizeS(POLY f) {
     POLY node;
     POLY lastf;
     struct listPoly nod;
     POLY h;
     POLY tf;
     int gt,first;
   
     if (f == POLYNULL) return(POLYNULL);
     node = &nod;
     node->next = POLYNULL;
     lastf = POLYNULL;
     first = 1;
     while (f != POLYNULL) {
       tf = newCell(f->coeffp,monomialCopy(f->m));
       tf->m->e[0].x = 0;  /* H, s variable in the G-O paper. */
       if (first) {
         node->next = tf;
         lastf = tf;
         first = 0;
       }else{
         gt = (*mmLarger)(lastf,tf);
         if (gt == 1) {
           lastf->next = tf;
           lastf = tf;
         }else{
           h = node->next;
           h = ppAddv(h,tf);
           node->next = h;
           lastf = h;
           while (lastf->next != POLYNULL) {
             lastf = lastf->next;
           }
         }
       }
       f = f->next;
     }
     return (node->next);
   }
   
 /* Granger-Oaku's homogenization for the ecart tangent cone.  /* Granger-Oaku's homogenization for the ecart tangent cone.
    Note: 2003.07.10.     Note: 2003.07.10.
    ds[] is the degree shift.     ds[] is the degree shift.
    ei ( element index ). If it is < 0, then e[n-1]->x will be used,     ei ( element index ). If it is < 0, then e[n-1]->x will be used,
                          else ei is used.                           else ei is used.
      if onlyS is set to 1, then input is assumed to be (u,v)-h-homogeneous.
 */  */
 POLY goHomogenize(POLY f,int u[],int v[],int ds[],int dssize,int ei)  POLY goHomogenize(POLY f,int u[],int v[],int ds[],int dssize,int ei,int onlyS)
 {  {
   POLY node;    POLY node;
   POLY lastf;    POLY lastf;
Line 560  POLY goHomogenize(POLY f,int u[],int v[],int ds[],int 
Line 602  POLY goHomogenize(POLY f,int u[],int v[],int ds[],int 
       /*go-debug fprintf(stderr,"Automatic dehomogenize and homogenize.\n"); */        /*go-debug fprintf(stderr,"Automatic dehomogenize and homogenize.\n"); */
           message = 0;            message = 0;
         }          }
     tf->m->e[0].D = -t;  /* h */          if (!onlyS) {
             tf->m->e[0].D = -t;  /* h */
           }
     tf->m->e[0].x = tp;  /* H, s variable in the G-O paper. */      tf->m->e[0].x = tp;  /* H, s variable in the G-O paper. */
         /*go-debug printf("t(h)=%d, tp(uv+ds)=%d\n",t,tp); */          /*go-debug printf("t(h)=%d, tp(uv+ds)=%d\n",t,tp); */
     if (first) {      if (first) {
Line 589  POLY goHomogenize(POLY f,int u[],int v[],int ds[],int 
Line 633  POLY goHomogenize(POLY f,int u[],int v[],int ds[],int 
   /*go-debug printf("m=%d, mp=%d\n",m,mp); */    /*go-debug printf("m=%d, mp=%d\n",m,mp); */
   while (h != POLYNULL) {    while (h != POLYNULL) {
     /*go-debug printf("Old: h=%d, s=%d\n",h->m->e[0].D,h->m->e[0].x); */      /*go-debug printf("Old: h=%d, s=%d\n",h->m->e[0].D,h->m->e[0].x); */
     h->m->e[0].D += m;   /* h */      if (!onlyS) h->m->e[0].D += m;   /* h */
     h->m->e[0].x += -mp; /* H, s*/      h->m->e[0].x += -mp; /* H, s*/
     /*go-debug printf("New: h=%d, s=%d\n",h->m->e[0].D,h->m->e[0].x); */      /*go-debug printf("New: h=%d, s=%d\n",h->m->e[0].D,h->m->e[0].x); */
     h = h->next;      h = h->next;
Line 598  POLY goHomogenize(POLY f,int u[],int v[],int ds[],int 
Line 642  POLY goHomogenize(POLY f,int u[],int v[],int ds[],int 
 }  }
   
 /* u[] = -1, v[] = 1 */  /* u[] = -1, v[] = 1 */
 POLY goHomogenize11(POLY f,int ds[],int dssize,int ei)  POLY goHomogenize11(POLY f,int ds[],int dssize,int ei,int onlyS)
 {  {
   int r;    int r;
   int i,t,n,m,nn;    int i,t,n,m,nn;
Line 622  POLY goHomogenize11(POLY f,int ds[],int dssize,int ei)
Line 666  POLY goHomogenize11(POLY f,int ds[],int dssize,int ei)
           u[i] = -1; v[i] = 1;            u[i] = -1; v[i] = 1;
         }          }
   }    }
   return(goHomogenize(f,u,v,ds,dssize,ei));    return(goHomogenize(f,u,v,ds,dssize,ei,onlyS));
 }  }
   
 POLY goHomogenize_dsIdx(POLY f,int u[],int v[],int dsIdx,int ei)  POLY goHomogenize_dsIdx(POLY f,int u[],int v[],int dsIdx,int ei,int onlyS)
 {  {
   if (f == POLYNULL) return POLYNULL;    if (f == POLYNULL) return POLYNULL;
 }  }
 POLY goHomogenize11_dsIdx(POLY f,int ds[],int dsIdx,int ei)  POLY goHomogenize11_dsIdx(POLY f,int ds[],int dsIdx,int ei,int onlyS)
 {  {
   if (f == POLYNULL) return POLYNULL;    if (f == POLYNULL) return POLYNULL;
 }  }
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