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| author | Sven Verdoolaege <skimo@kotnet.org> | 2009-07-11 15:33:25 +0200 |
|---|---|---|
| committer | Sven Verdoolaege <skimo@kotnet.org> | 2009-07-13 23:40:12 +0200 |
| commit | 7771d25a2aa12e009227fdc209f4a203186815b2 (patch) | |
| tree | 1d07f52c30a7f5c2fcf21f9f4a7499288878d8aa | |
| parent | f67c8d827f8f5d394962bb9cc8f4b6bbb992e1e1 (diff) | |
| download | isl-7771d25a2aa12e009227fdc209f4a203186815b2.tar.gz isl-7771d25a2aa12e009227fdc209f4a203186815b2.tar.bz2 isl-7771d25a2aa12e009227fdc209f4a203186815b2.zip | |
isl_tab_min: use general rollback mechanism
| -rw-r--r-- | isl_tab.c | 4 |
1 files changed, 3 insertions, 1 deletions
@@ -1554,10 +1554,12 @@ enum isl_lp_result isl_tab_min(struct isl_ctx *ctx, struct isl_tab *tab, int r; enum isl_lp_result res = isl_lp_ok; struct isl_tab_var *var; + struct isl_tab_undo *snap; if (tab->empty) return isl_lp_empty; + snap = isl_tab_snap(ctx, tab); r = add_row(ctx, tab, f); if (r < 0) return isl_lp_error; @@ -1575,7 +1577,7 @@ enum isl_lp_result isl_tab_min(struct isl_ctx *ctx, struct isl_tab *tab, break; pivot(ctx, tab, row, col); } - if (drop_row(ctx, tab, var->index) < 0) + if (isl_tab_rollback(ctx, tab, snap) < 0) return isl_lp_error; if (ISL_FL_ISSET(flags, ISL_TAB_SAVE_DUAL)) { int i; |