isl_basic_set_{coefficients,solutions}: handle obviously empty input
commit47520e66c74dc525f50b3572b15b50215524e923
authorSven Verdoolaege <skimo@kotnet.org>
Fri, 2 May 2014 09:42:50 +0000 (2 11:42 +0200)
committerSven Verdoolaege <skimo@kotnet.org>
Sat, 14 Jun 2014 09:57:23 +0000 (14 11:57 +0200)
treea1f3c382a520eb5b65b225aa205f9b7c29ca0bf6
parenta8bb97675bea8c524fec3adb79a588f2a06c3c0b
isl_basic_set_{coefficients,solutions}: handle obviously empty input

We already specifically handle this case in isl_set_coefficients
and isl_set_solutions, but if isl_basic_set_coefficients or
isl_basic_set_solutions is called directly, we would return
a meaningless result.

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