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author | vrouvrea <vrouvrea@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2017-12-06 09:13:33 +0000 |
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committer | vrouvrea <vrouvrea@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2017-12-06 09:13:33 +0000 |
commit | 223b9334d8e71be1ef1e0279c128201d9faa18f7 (patch) | |
tree | 1c70e5f83a8dae753f923af9db18a2dc19bd9795 /src/common/include/gudhi | |
parent | 75d2050ff37aa56fd4c1473bb6ccd8e533b55558 (diff) | |
parent | 11c6ce22ef17bb41f484d5f5aeb1acb34b9c28ea (diff) |
Merge C++ version of persistence representation
git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/persistence_representation_integration_bis@3043 636b058d-ea47-450e-bf9e-a15bfbe3eedb
Former-commit-id: 6421c7cbe670fad1a8900ccc0ea6ff32297dd5e7
Diffstat (limited to 'src/common/include/gudhi')
-rw-r--r-- | src/common/include/gudhi/distance_functions.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/common/include/gudhi/distance_functions.h b/src/common/include/gudhi/distance_functions.h index f6e2ab5a..c556155e 100644 --- a/src/common/include/gudhi/distance_functions.h +++ b/src/common/include/gudhi/distance_functions.h @@ -26,6 +26,7 @@ #include <cmath> // for std::sqrt #include <type_traits> // for std::decay #include <iterator> // for std::begin, std::end +#include <utility> namespace Gudhi { @@ -48,6 +49,10 @@ class Euclidean_distance { } return std::sqrt(dist); } + template< typename T > + T operator() (const std::pair< T, T >& f, const std::pair< T, T >& s) { + return sqrt((f.first-s.first)*(f.first-s.first) + (f.second-s.second)*(f.second-s.second)); + } }; } // namespace Gudhi |