diff options
| -rw-r--r-- | src/Simplex_tree/include/gudhi/Simplex_tree.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/Simplex_tree/include/gudhi/Simplex_tree.h b/src/Simplex_tree/include/gudhi/Simplex_tree.h index 914247b5..96565ff1 100644 --- a/src/Simplex_tree/include/gudhi/Simplex_tree.h +++ b/src/Simplex_tree/include/gudhi/Simplex_tree.h @@ -908,8 +908,9 @@ class Simplex_tree { : st_(st) { } bool operator()(const Simplex_handle sh1, const Simplex_handle sh2) const { - if (st_->filtration(sh1) != st_->filtration(sh2)) { - return st_->filtration(sh1) < st_->filtration(sh2); + // Not using st_->filtration(sh1) because it uselessly tests for null_simplex. + if (sh1->second.filtration() != sh2->second.filtration()) { + return sh1->second.filtration() < sh2->second.filtration(); } // is sh1 a proper subface of sh2 return st_->reverse_lexicographic_order(sh1, sh2); |