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author | glisse <glisse@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2015-11-13 20:27:56 +0000 |
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committer | glisse <glisse@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2015-11-13 20:27:56 +0000 |
commit | bdb1e5517822d935da93d83c8950cbbd11560698 (patch) | |
tree | 87bf883c8d5a2a6c67f2b54357b68b99d5344cdb /src/Persistent_cohomology/include | |
parent | 32a6d46672102e17f7ae09fe130382aa7e487884 (diff) |
Using a static variable really helps.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/annotations_in_boundary@914 636b058d-ea47-450e-bf9e-a15bfbe3eedb
Former-commit-id: 695a6f642399c2646e5a26fac20173fbd57fe160
Diffstat (limited to 'src/Persistent_cohomology/include')
-rw-r--r-- | src/Persistent_cohomology/include/gudhi/Persistent_cohomology.h | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/src/Persistent_cohomology/include/gudhi/Persistent_cohomology.h b/src/Persistent_cohomology/include/gudhi/Persistent_cohomology.h index 1d8c2ca2..609f40a2 100644 --- a/src/Persistent_cohomology/include/gudhi/Persistent_cohomology.h +++ b/src/Persistent_cohomology/include/gudhi/Persistent_cohomology.h @@ -434,11 +434,9 @@ class Persistent_cohomology { // with multiplicity. We used to sum the coefficients directly in // annotations_in_boundary by using a map, we now do it later. typedef std::pair<Column *, int> annotation_t; - std::vector<annotation_t> annotations_in_boundary; - /* A small speed boost is possible with the following non-thread-safe: - static std::vector<std::pair<Column *, int>> annotations_in_boundary; - annotations_in_boundary.clear(); - */ + // Danger: not thread-safe! + static std::vector<annotation_t> annotations_in_boundary; + annotations_in_boundary.clear(); int sign = 1 - 2 * (dim_sigma % 2); // \in {-1,1} provides the sign in the // alternate sum in the boundary. Simplex_key key; |