isl_tab_basic_set_non_trivial_lexmin: extract out fix_zero and pos_neg
commitdf83557104ec82597b64d73ff5f11e9e955b57a5
authorSven Verdoolaege <sven.verdoolaege@gmail.com>
Fri, 5 May 2017 14:22:08 +0000 (5 16:22 +0200)
committerSven Verdoolaege <sven.verdoolaege@gmail.com>
Thu, 25 May 2017 14:13:31 +0000 (25 16:13 +0200)
tree0954a8b7096f49ae6a863eba7c313fa0ae985eed
parent8146abc5e6c88dd97ca4387dae5acfd1916f74b8
isl_tab_basic_set_non_trivial_lexmin: extract out fix_zero and pos_neg

This reduces the size of isl_tab_basic_set_non_trivial_lexmin and
allows the side selection to be documented in more detail.
This in turn will help clarify the way this selection
is changed in an upcoming commit.

Signed-off-by: Sven Verdoolaege <sven.verdoolaege@gmail.com>
isl_tab_pip.c