diff options
author | Gard Spreemann <gspr@nonempty.org> | 2020-01-20 09:33:33 +0100 |
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committer | Gard Spreemann <gspr@nonempty.org> | 2020-01-20 09:33:33 +0100 |
commit | 8c751c3929b1727c1e2e2781259ddaa39cfd8df3 (patch) | |
tree | 0e680ea9182032cc82a732230217980ada093ee9 /src/Persistent_cohomology/include/gudhi/Persistent_cohomology.h | |
parent | a11db9cb0c8b35fa393c95d698754bb0c652b1d6 (diff) | |
parent | 9acc59fcc1d5001a212e7b9cd6f00a569a625882 (diff) |
Merge branch 'dfsg/latest' into debian/sid
Diffstat (limited to 'src/Persistent_cohomology/include/gudhi/Persistent_cohomology.h')
-rw-r--r-- | src/Persistent_cohomology/include/gudhi/Persistent_cohomology.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/Persistent_cohomology/include/gudhi/Persistent_cohomology.h b/src/Persistent_cohomology/include/gudhi/Persistent_cohomology.h index 944b6d35..0f1876d0 100644 --- a/src/Persistent_cohomology/include/gudhi/Persistent_cohomology.h +++ b/src/Persistent_cohomology/include/gudhi/Persistent_cohomology.h @@ -600,8 +600,10 @@ class Persistent_cohomology { * @return A vector of Betti numbers. */ std::vector<int> betti_numbers() const { + // Don't allocate a vector of negative size for an empty complex + int siz = std::max(dim_max_, 0); // Init Betti numbers vector with zeros until Simplicial complex dimension - std::vector<int> betti_numbers(dim_max_, 0); + std::vector<int> betti_numbers(siz); for (auto pair : persistent_pairs_) { // Count never ended persistence intervals @@ -639,8 +641,10 @@ class Persistent_cohomology { * @return A vector of persistent Betti numbers. */ std::vector<int> persistent_betti_numbers(Filtration_value from, Filtration_value to) const { + // Don't allocate a vector of negative size for an empty complex + int siz = std::max(dim_max_, 0); // Init Betti numbers vector with zeros until Simplicial complex dimension - std::vector<int> betti_numbers(dim_max_, 0); + std::vector<int> betti_numbers(siz); for (auto pair : persistent_pairs_) { // Count persistence intervals that covers the given interval // null_simplex test : if the function is called with to=+infinity, we still get something useful. And it will |