isl_map_gist: return empty set if context is obviously empty
commitcc6dfaa06d0ce910db7181deb491fe2c093cdda2
authorSven Verdoolaege <skimo@kotnet.org>
Fri, 28 Oct 2011 12:10:46 +0000 (28 14:10 +0200)
committerSven Verdoolaege <skimo@kotnet.org>
Sun, 6 Nov 2011 12:24:47 +0000 (6 13:24 +0100)
treebe68aa7e7e43d98a592e2cf8defef41267dde913
parentd8f1c55f101289a8c67a0cf17ddc036cb441bd61
isl_map_gist: return empty set if context is obviously empty

This is more consistent with what happens if the intersection
of input and context turns out to be empty.

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