cone_post.c

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/* Oct 12, 1990.  Bug fix.  substitute V2 to w based on the rank(C) */
 
#include "arith.h"
 
cone_post(s,v,r,n,linetab,start,m,w)
MATRIX s;
MATRIX v;
int r[MAX],n;
LINE linetab[MAXEDGE];
int start,m;
REAL w[MAXRANK][MAXEDGE];
{
   TABLE hashtab;
   int i,j,k,en,hash;
 
    for(i=0; i<HASHNO; i++)
        hashtab[i]= EMPTY;
 
    en=0;
    for(k=start; k<m; k=linetab[k].next){
        for(i=0; i<MAXRANK; i++){
            w[i][en]=0.0e0;
            for(j=0; j<r[n]; j++){
                w[i][en] += v[i][j] * linetab[k].s[j];
            }
        }
        hash=same(w,en,hashtab);
        if(hash != COLLISION){
            hashtab[hash]=en;
            en += 1;
        }
    }
 
/*   printf("edge number = %d\n",en); */
 
    for(j=r[n]; j<MAXRANK; j++){
      for(i=0; i<MAXRANK; i++){
        w[i][en]= v[i][j];
        w[i][en+1]= -v[i][j];
      }
      en += 2;
    }
 
    return(en);
}