isl_basic_map_drop_constraints_not_involving_dims: fix result of special case
commitd5c52aba401d4ff786146651ef354d373d0a45c2
authorSven Verdoolaege <skimo@kotnet.org>
Wed, 23 Jul 2014 12:42:34 +0000 (23 14:42 +0200)
committerSven Verdoolaege <skimo@kotnet.org>
Tue, 29 Jul 2014 11:31:23 +0000 (29 13:31 +0200)
tree2928a48ac1b6b557e75c03123263d0cbcc358dd2
parent0eda24f802d63e896c687bf9e7d5c1899b889677
isl_basic_map_drop_constraints_not_involving_dims: fix result of special case

In particular, if we are removing the constraints that do not involve
an empty sequence of dimensions, then we are removing all constraints
and the result should be the universe set rather than the empty set.

Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>
isl_affine_hull.c