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author | vrouvrea <vrouvrea@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2016-12-15 20:50:56 +0000 |
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committer | vrouvrea <vrouvrea@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2016-12-15 20:50:56 +0000 |
commit | 0df3c9bcca4345b8be27ca2fd90eb5137072740c (patch) | |
tree | f32a4f3e183beb4ffe6d3d6513e525c1807450ed /src/Persistent_cohomology/include/gudhi/Persistent_cohomology.h | |
parent | 3791e08f862ed147096edc80605562fbb9b980d1 (diff) |
New pairs in dimension function in Persistence cohomology
git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/trunk@1887 636b058d-ea47-450e-bf9e-a15bfbe3eedb
Former-commit-id: 76bc9a951d752a6ca0f62244012965b5b6597a17
Diffstat (limited to 'src/Persistent_cohomology/include/gudhi/Persistent_cohomology.h')
-rw-r--r-- | src/Persistent_cohomology/include/gudhi/Persistent_cohomology.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/Persistent_cohomology/include/gudhi/Persistent_cohomology.h b/src/Persistent_cohomology/include/gudhi/Persistent_cohomology.h index b31df6a4..d3a8acc0 100644 --- a/src/Persistent_cohomology/include/gudhi/Persistent_cohomology.h +++ b/src/Persistent_cohomology/include/gudhi/Persistent_cohomology.h @@ -690,6 +690,21 @@ class Persistent_cohomology { return persistent_pairs_; } + /** @brief Returns persistence pairs for a given dimension. + * @param[in] dimension Dimension to get the birth and death pairs from. + * @return A vector of persistence intervals (birth and death) on a fixed dimension. + */ + std::vector< std::pair< Filtration_value , Filtration_value > > + pairs_in_dimension( unsigned dimension ) { + std::vector< std::pair< Filtration_value , Filtration_value > > result; + for (auto pair : persistent_pairs_) { + if (cpx_->dimension( get<0>(pair)) == dimension ) { + result.push_back(std::pair<Filtration_value, Filtration_value>(cpx_->filtration(get<0>(pair)), + cpx_->filtration(get<1>(pair)))); + } + } + return result; + } private: /* * Structure representing a cocycle. |