isl_tab_pip.c: find_div: reserve negative return value for failures
commitaf691cc487e3a2ed4cb462e887ec1441fbf9b4d8
authorSven Verdoolaege <sven.verdoolaege@gmail.com>
Mon, 13 Aug 2018 07:43:49 +0000 (13 09:43 +0200)
committerSven Verdoolaege <sven.verdoolaege@gmail.com>
Sun, 2 Sep 2018 15:14:53 +0000 (2 17:14 +0200)
tree19c775c0c1d8f396da25dfd0f0bc9c50f3bc57d6
parent80fe82902736320553a047a2bb8abefb2e33d886
isl_tab_pip.c: find_div: reserve negative return value for failures

In particular, if no integer division can be found, then
return a position beyond the integer divisions instead of a negative value.

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