From 68753b3c28321e28eedd5829c94234da84e25c8d Mon Sep 17 00:00:00 2001
From: ROUVREAU Vincent <vincent.rouvreau@inria.fr>
Date: Mon, 9 Sep 2019 16:03:40 +0200
Subject: Code review: rename cython as python (make target and directory

---
 .../include/Euclidean_witness_complex_interface.h  | 82 ++++++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 src/python/include/Euclidean_witness_complex_interface.h

(limited to 'src/python/include/Euclidean_witness_complex_interface.h')

diff --git a/src/python/include/Euclidean_witness_complex_interface.h b/src/python/include/Euclidean_witness_complex_interface.h
new file mode 100644
index 00000000..0c01a741
--- /dev/null
+++ b/src/python/include/Euclidean_witness_complex_interface.h
@@ -0,0 +1,82 @@
+/*    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):       Vincent Rouvreau
+ *
+ *    Copyright (C) 2016 Inria
+ *
+ *    Modification(s):
+ *      - YYYY/MM Author: Description of the modification
+ */
+
+#ifndef INCLUDE_EUCLIDEAN_WITNESS_COMPLEX_INTERFACE_H_
+#define INCLUDE_EUCLIDEAN_WITNESS_COMPLEX_INTERFACE_H_
+
+#include <gudhi/Simplex_tree.h>
+#include <gudhi/Euclidean_witness_complex.h>
+
+#include "Simplex_tree_interface.h"
+
+#include <CGAL/Epick_d.h>
+
+#include <vector>
+#include <utility>  // std::pair
+#include <iostream>
+#include <cstddef>
+
+namespace Gudhi {
+
+namespace witness_complex {
+
+
+class Euclidean_witness_complex_interface {
+  using Dynamic_kernel = CGAL::Epick_d< CGAL::Dynamic_dimension_tag >;
+  using Point_d = Dynamic_kernel::Point_d;
+
+  typedef typename Simplex_tree<>::Simplex_key Simplex_key;
+
+ public:
+  Euclidean_witness_complex_interface(const std::vector<std::vector<double>>& landmarks,
+                                      const std::vector<std::vector<double>>& witnesses) {
+    landmarks_.reserve(landmarks.size());
+    for (auto& landmark : landmarks)
+      landmarks_.emplace_back(landmark.begin(), landmark.end());
+    witness_complex_ = new Euclidean_witness_complex<Dynamic_kernel>(landmarks_, witnesses);
+  }
+
+  ~Euclidean_witness_complex_interface() {
+    delete witness_complex_;
+  }
+
+  void create_simplex_tree(Gudhi::Simplex_tree<>* simplex_tree, double max_alpha_square, std::size_t limit_dimension) {
+    witness_complex_->create_complex(*simplex_tree, max_alpha_square, limit_dimension);
+    simplex_tree->initialize_filtration();
+  }
+
+  void create_simplex_tree(Gudhi::Simplex_tree<>* simplex_tree, double max_alpha_square) {
+    witness_complex_->create_complex(*simplex_tree, max_alpha_square);
+    simplex_tree->initialize_filtration();
+  }
+
+  std::vector<double> get_point(unsigned vh) {
+    std::vector<double> vd;
+    if (vh < landmarks_.size()) {
+      Point_d ph = witness_complex_->get_point(vh);
+      for (auto coord = ph.cartesian_begin(); coord < ph.cartesian_end(); coord++)
+        vd.push_back(*coord);
+    }
+    return vd;
+  }
+
+ private:
+  std::vector<Point_d> landmarks_;
+  Euclidean_witness_complex<Dynamic_kernel>* witness_complex_;
+};
+
+}  // namespace witness_complex
+
+}  // namespace Gudhi
+
+#endif  // INCLUDE_EUCLIDEAN_WITNESS_COMPLEX_INTERFACE_H_
+
-- 
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