| commit | b624529832b72f5c9eb43ffffd61160c15b04dfb | |
| author | Michael Kruse <isl@meinersbur.de> | |
| Sat, 19 Dec 2020 01:33:26 +0000 (18 19:33 -0600) | ||
| committer | Sven Verdoolaege <sven.verdoolaege@gmail.com> | |
| Sat, 19 Dec 2020 16:41:02 +0000 (19 17:41 +0100) | ||
| tree | 90419835d424abfb4360847ec0e20a6f6e4699e2 | treesnapshot (tar.gz zip) |
| parent | 44080b35a8db55519423fc28081009fef2198e7f | commitdiff |
isl_mat_left_hermite: avoid undefined null pointer arithmetic
Technically, arithmetic on null pointers is undefined behavior,
even if only adding zero. This may happen inside
isl_mat_left_hermite if the number of columns is zero.
Simply skip the entire computation in that case.
Signed-off-by: Michael Kruse <isl@meinersbur.de>
Signed-off-by: Sven Verdoolaege <sven.verdoolaege@gmail.com>
Technically, arithmetic on null pointers is undefined behavior,
even if only adding zero. This may happen inside
isl_mat_left_hermite if the number of columns is zero.
Simply skip the entire computation in that case.
Signed-off-by: Michael Kruse <isl@meinersbur.de>
Signed-off-by: Sven Verdoolaege <sven.verdoolaege@gmail.com>
| isl_mat.c | diffblobblamehistory |