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Bugfix. Rows not in cplex should have index -1

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This commit is contained in:
Alinson S. Xavier
2015-03-30 16:56:58 -04:00
parent 188367e189
commit f8943fb1ec
1 changed files with 8 additions and 6 deletions
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6
src/lp.c
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@@ -251,7 +251,7 @@ int LP_remove_old_cuts(struct LP *lp)
{
struct Row *cut = lp->cut_pool[j];
if (cut->cplex_row_index == i - count) cut->cplex_row_index = 0;
if (cut->cplex_row_index == i - count) cut->cplex_row_index = -1;
else if (cut->cplex_row_index > i - count) cut->cplex_row_index--;
}
@@ -365,7 +365,6 @@ int LP_write(struct LP *lp, const char *fname)
int compare_cuts(struct Row *cut1, struct Row *cut2)
{
return_if_neq(cut1->nz, cut2->nz);
assert(cut1->nz == cut2->nz);
for (int i = 0; i < cut1->nz; i++)
{
@@ -390,6 +389,9 @@ int LP_add_cut(struct LP *lp, struct Row *cut)
if (lp->cut_pool[i]->hash != cut->hash) continue;
if (!compare_cuts(lp->cut_pool[i], cut))
{
log_verbose("Discarding duplicate cut (same as cplex row %d)\n",
lp->cut_pool[i]->cplex_row_index);
free(cut->rmatval);
free(cut->rmatind);
free(cut);