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satmore: don't try to override user defined variables

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aiju 2018-03-18 03:01:21 +00:00
parent 9f18b0f388
commit d68417bc01
1 changed files with 3 additions and 1 deletions
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4
sys/src/libsat/satmore.c
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@ -11,11 +11,13 @@ satmore(SATSolve *s)
if(s == nil) return 1;
s->scrap = a = satrealloc(s, nil, s->nvar * sizeof(int));
n = 0;
for(i = 0; i < s->nvar; i++)
for(i = 0; i < s->nvar; i++){
if((s->var[i].flags & VARUSER) != 0) continue;
switch(s->lit[2*i].val){
case 0: a[n++] = i+1; break;
case 1: a[n++] = -(i+1); break;
}
}
if(n > 0)
satadd1(s, a, n);
free(a);