From d574f7f65acdd6dde92150879c06db5e6e0b75a9 Mon Sep 17 00:00:00 2001
From: mcarrier <mcarrier@636b058d-ea47-450e-bf9e-a15bfbe3eedb>
Date: Mon, 5 Mar 2018 13:57:02 +0000
Subject: added files for cythonization of kernels

git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/kernels@3263 636b058d-ea47-450e-bf9e-a15bfbe3eedb

Former-commit-id: 5bc7aadf2696ea2f94384a163451237016a7effb
---
 src/cython/include/Kernels_interface.h | 49 ++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 src/cython/include/Kernels_interface.h

(limited to 'src/cython/include/Kernels_interface.h')

diff --git a/src/cython/include/Kernels_interface.h b/src/cython/include/Kernels_interface.h
new file mode 100644
index 00000000..9eb610b0
--- /dev/null
+++ b/src/cython/include/Kernels_interface.h
@@ -0,0 +1,49 @@
+/*    This file is part of the Gudhi Library. The Gudhi library
+ *    (Geometric Understanding in Higher Dimensions) is a generic C++
+ *    library for computational topology.
+ *
+ *    Author(s):       Mathieu Carriere
+ *
+ *    Copyright (C) 2018 INRIA
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef INCLUDE_KERNELS_INTERFACE_H_
+#define INCLUDE_KERNELS_INTERFACE_H_
+
+#include <gudhi/Sliced_Wasserstein.h>
+
+#include <iostream>
+#include <vector>
+#include <utility>  // for std::pair
+
+namespace Gudhi {
+
+namespace persistence_diagram {
+
+  double sw(const std::vector<std::pair<double, double>>& diag1,
+            const std::vector<std::pair<double, double>>& diag2,
+            double sigma, int N) {
+    Gudhi::Persistence_representations::Sliced_Wasserstein sw1(diag1, sigma, N);
+    Gudhi::Persistence_representations::Sliced_Wasserstein sw2(diag2, sigma, N);
+    return sw1.compute_scalar_product(sw2);
+  }
+
+}  // namespace persistence_diagram
+
+}  // namespace Gudhi
+
+
+#endif  // INCLUDE_KERNELS_INTERFACE_H_
-- 
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