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clean up isl_pw_qpolynomial_neg
[platform/upstream/isl.git]
/
isl_affine_hull.c
diff --git
a/isl_affine_hull.c
b/isl_affine_hull.c
index
797b4cf
..
dcb3d18
100644
(file)
--- a/
isl_affine_hull.c
+++ b/
isl_affine_hull.c
@@
-295,7
+295,7
@@
static struct isl_vec *outside_point(struct isl_tab *tab, isl_int *eq, int up)
if (!up)
isl_seq_neg(eq, eq, 1 + dim);
- if (isl_tab_rollback(tab, snap) < 0)
+ if (
sample &&
isl_tab_rollback(tab, snap) < 0)
goto error;
return sample;