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

---
 src/python/include/Tangential_complex_interface.h | 111 ++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 src/python/include/Tangential_complex_interface.h

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

diff --git a/src/python/include/Tangential_complex_interface.h b/src/python/include/Tangential_complex_interface.h
new file mode 100644
index 00000000..7c3f2789
--- /dev/null
+++ b/src/python/include/Tangential_complex_interface.h
@@ -0,0 +1,111 @@
+/*    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_TANGENTIAL_COMPLEX_INTERFACE_H_
+#define INCLUDE_TANGENTIAL_COMPLEX_INTERFACE_H_
+
+#include <gudhi/Simplex_tree.h>
+#include <gudhi/Tangential_complex.h>
+#include <gudhi/Points_off_io.h>
+#include <CGAL/Epick_d.h>
+
+#include "Simplex_tree_interface.h"
+
+#include <vector>
+#include <utility>  // std::pair
+#include <iostream>
+#include <string>
+
+namespace Gudhi {
+
+namespace tangential_complex {
+
+class Tangential_complex_interface {
+  using Dynamic_kernel = CGAL::Epick_d< CGAL::Dynamic_dimension_tag >;
+  using Point_d = Dynamic_kernel::Point_d;
+  using TC = Tangential_complex<Dynamic_kernel, CGAL::Dynamic_dimension_tag, CGAL::Parallel_tag>;
+
+ public:
+  Tangential_complex_interface(int intrisic_dim, const std::vector<std::vector<double>>& points) {
+    Dynamic_kernel k;
+
+    tangential_complex_ = new TC(points, intrisic_dim, k);
+  }
+
+  Tangential_complex_interface(int intrisic_dim, const std::string& off_file_name, bool from_file = true) {
+    Dynamic_kernel k;
+
+    Gudhi::Points_off_reader<Point_d> off_reader(off_file_name);
+    std::vector<Point_d> points = off_reader.get_point_cloud();
+
+    tangential_complex_ = new TC(points, intrisic_dim, k);
+  }
+
+  ~Tangential_complex_interface() {
+    delete tangential_complex_;
+  }
+
+  void compute_tangential_complex() {
+    tangential_complex_->compute_tangential_complex();
+    num_inconsistencies_ = tangential_complex_->number_of_inconsistent_simplices();
+  }
+
+  std::vector<double> get_point(unsigned vh) {
+    std::vector<double> vd;
+    if (vh < tangential_complex_->number_of_vertices()) {
+      Point_d ph = tangential_complex_->get_point(vh);
+      for (auto coord = ph.cartesian_begin(); coord < ph.cartesian_end(); coord++)
+        vd.push_back(*coord);
+    }
+    return vd;
+  }
+
+  unsigned number_of_vertices() {
+    return tangential_complex_->number_of_vertices();
+  }
+
+  unsigned number_of_simplices() {
+    return num_inconsistencies_.num_simplices;
+  }
+
+  unsigned number_of_inconsistent_simplices() {
+    return num_inconsistencies_.num_inconsistent_simplices;
+  }
+
+  unsigned number_of_inconsistent_stars() {
+    return num_inconsistencies_.num_inconsistent_stars;
+  }
+
+  void fix_inconsistencies_using_perturbation(double max_perturb, double time_limit) {
+      tangential_complex_->fix_inconsistencies_using_perturbation(max_perturb, time_limit);
+      num_inconsistencies_ = tangential_complex_->number_of_inconsistent_simplices();
+  }
+
+  void create_simplex_tree(Simplex_tree<>* simplex_tree) {
+    tangential_complex_->create_complex<Gudhi::Simplex_tree<Gudhi::Simplex_tree_options_full_featured>>(*simplex_tree);
+    simplex_tree->initialize_filtration();
+  }
+
+  void set_max_squared_edge_length(double max_squared_edge_length) {
+    tangential_complex_->set_max_squared_edge_length(max_squared_edge_length);
+  }
+
+private:
+  TC* tangential_complex_;
+  TC::Num_inconsistencies num_inconsistencies_;
+};
+
+}  // namespace tangential_complex
+
+}  // namespace Gudhi
+
+#endif  // INCLUDE_TANGENTIAL_COMPLEX_INTERFACE_H_
-- 
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