diff options
author | glisse <glisse@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2017-12-17 14:48:00 +0000 |
---|---|---|
committer | glisse <glisse@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2017-12-17 14:48:00 +0000 |
commit | 66da04f4fa64d305ee917aac431b16b821411679 (patch) | |
tree | e07a3ea77fdc737dfb34608e6670b606ffcbbcff /src/common/include/gudhi/distance_functions.h | |
parent | b3060b07620833d36519379acefd98c490bc4de1 (diff) | |
parent | ac37226d69d131ef799ef82c91bf0d048880fa24 (diff) |
Branch for the next round of cleanups.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/misc-glisse@3077 636b058d-ea47-450e-bf9e-a15bfbe3eedb
Former-commit-id: 53efa362b17ba2d4da748932bca2958af3af0268
Diffstat (limited to 'src/common/include/gudhi/distance_functions.h')
-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 |