Merge Copyright clarification

git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/cechcomplex_vincent@3402 636b058d-ea47-450e-bf9e-a15bfbe3eedb

Former-commit-id: c24c2226a76df7a6a95d2531e98850c7c19580e1

23 files changed, 138 insertions, 25 deletions

diff --git a/src/common/doc/file_formats.h b/src/common/doc/file_formats.h
index c60ed15a..523153b8 100644
--- a/src/common/doc/file_formats.h
+++ b/src/common/doc/file_formats.h
@@ -4,7 +4,7 @@
 *
 *    Author(s):       Clément Jamin
 *
-*    Copyright (C) 2017  INRIA
+*    Copyright (C) 2017 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
diff --git a/src/common/doc/header.html b/src/common/doc/header.html
index d69b28fa..2f54e68d 100644
--- a/src/common/doc/header.html
+++ b/src/common/doc/header.html
@@ -9,7 +9,7 @@
 <!--BEGIN PROJECT_NAME--><title>$projectname: $title</title><!--END PROJECT_NAME-->
 <!--BEGIN !PROJECT_NAME--><title>$title</title><!--END !PROJECT_NAME-->
 <!-- GUDHI website css for header BEGIN -->
-<link rel="stylesheet" type="text/css" href="http://pages.saclay.inria.fr/vincent.rouvreau/gudhi/gudhi-doc-2.0.0/assets/css/styles_feeling_responsive.css" />
+<link rel="stylesheet" type="text/css" href="http://gudhi.gforge.inria.fr/assets/css/styles_feeling_responsive.css" />
 <!-- GUDHI website css for header END -->
 <link href="$relpath^tabs.css" rel="stylesheet" type="text/css"/>
 <script type="text/javascript" src="$relpath^jquery.js"></script>
diff --git a/src/common/include/gudhi/Clock.h b/src/common/include/gudhi/Clock.h
index b83de2f5..cdf18cb2 100644
--- a/src/common/include/gudhi/Clock.h
+++ b/src/common/include/gudhi/Clock.h
@@ -4,7 +4,7 @@
  *
  *    Author(s):       David Salinas
  *
- *    Copyright (C) 2014  INRIA Sophia Antipolis-Mediterranee (France)
+ *    Copyright (C) 2014 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
diff --git a/src/common/include/gudhi/Debug_utils.h b/src/common/include/gudhi/Debug_utils.h
index 90d3cf47..3f5cb04f 100644
--- a/src/common/include/gudhi/Debug_utils.h
+++ b/src/common/include/gudhi/Debug_utils.h
@@ -4,7 +4,7 @@
  *
  *    Author(s):       David Salinas
  *
- *    Copyright (C) 2014  INRIA
+ *    Copyright (C) 2014 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
diff --git a/src/common/include/gudhi/Null_output_iterator.h b/src/common/include/gudhi/Null_output_iterator.h
index 42e6e449..c700af5f 100644
--- a/src/common/include/gudhi/Null_output_iterator.h
+++ b/src/common/include/gudhi/Null_output_iterator.h
@@ -4,7 +4,7 @@
  *
  *    Author(s):       Marc Glisse
  *
- *    Copyright (C) 2017  INRIA
+ *    Copyright (C) 2017 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
diff --git a/src/common/include/gudhi/Off_reader.h b/src/common/include/gudhi/Off_reader.h
index 32320e4d..024f0568 100644
--- a/src/common/include/gudhi/Off_reader.h
+++ b/src/common/include/gudhi/Off_reader.h
@@ -4,7 +4,7 @@
  *
  *    Author(s):       David Salinas
  *
- *    Copyright (C) 2014  INRIA Sophia Antipolis-Mediterranee (France)
+ *    Copyright (C) 2014 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
diff --git a/src/common/include/gudhi/Point.h b/src/common/include/gudhi/Point.h
index 0479e71e..345a8465 100644
--- a/src/common/include/gudhi/Point.h
+++ b/src/common/include/gudhi/Point.h
@@ -4,7 +4,7 @@
  *
  *    Author(s):       David Salinas
  *
- *    Copyright (C) 2014  INRIA Sophia Antipolis-Mediterranee (France)
+ *    Copyright (C) 2014 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
diff --git a/src/common/include/gudhi/Points_3D_off_io.h b/src/common/include/gudhi/Points_3D_off_io.h
index b0d24998..704f73a7 100644
--- a/src/common/include/gudhi/Points_3D_off_io.h
+++ b/src/common/include/gudhi/Points_3D_off_io.h
@@ -4,7 +4,7 @@
  *
  *    Author(s):       Vincent Rouvreau
  *
- *    Copyright (C) 2015  INRIA Saclay (France)
+ *    Copyright (C) 2015 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
diff --git a/src/common/include/gudhi/Points_off_io.h b/src/common/include/gudhi/Points_off_io.h
index 08f324c6..38029658 100644
--- a/src/common/include/gudhi/Points_off_io.h
+++ b/src/common/include/gudhi/Points_off_io.h
@@ -4,7 +4,7 @@
  *
  *    Author(s):       Vincent Rouvreau
  *
- *    Copyright (C) 2015  INRIA Saclay (France)
+ *    Copyright (C) 2015 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
diff --git a/src/common/include/gudhi/Simple_object_pool.h b/src/common/include/gudhi/Simple_object_pool.h
index fb9c8e23..47283521 100644
--- a/src/common/include/gudhi/Simple_object_pool.h
+++ b/src/common/include/gudhi/Simple_object_pool.h
@@ -4,7 +4,7 @@
  *
  *    Author(s):       Marc Glisse
  *
- *    Copyright (C) 2015  INRIA Saclay - Ile de France
+ *    Copyright (C) 2015 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
diff --git a/src/common/include/gudhi/Unitary_tests_utils.h b/src/common/include/gudhi/Unitary_tests_utils.h
index 8394a062..e07c8d42 100644
--- a/src/common/include/gudhi/Unitary_tests_utils.h
+++ b/src/common/include/gudhi/Unitary_tests_utils.h
@@ -4,7 +4,7 @@
  *
  *    Author(s):       Vincent Rouvreau
  *
- *    Copyright (C) 2017  INRIA
+ *    Copyright (C) 2017 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
diff --git a/src/common/include/gudhi/allocator.h b/src/common/include/gudhi/allocator.h
index 4ede14e4..3de16a49 100644
--- a/src/common/include/gudhi/allocator.h
+++ b/src/common/include/gudhi/allocator.h
@@ -4,7 +4,7 @@
  *
  *    Author(s):       Marc Glisse
  *
- *    Copyright (C) 2015  INRIA Saclay - Ile de France
+ *    Copyright (C) 2015 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
diff --git a/src/common/include/gudhi/console_color.h b/src/common/include/gudhi/console_color.h
index c4671da3..a493e0d0 100644
--- a/src/common/include/gudhi/console_color.h
+++ b/src/common/include/gudhi/console_color.h
@@ -4,7 +4,7 @@
  *
  *    Author(s):       Clement Jamin
  *
- *    Copyright (C) 2016  INRIA Sophia-Antipolis (France)
+ *    Copyright (C) 2016 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
diff --git a/src/common/include/gudhi/distance_functions.h b/src/common/include/gudhi/distance_functions.h
index 9ab35fb1..4dfba1bf 100644
--- a/src/common/include/gudhi/distance_functions.h
+++ b/src/common/include/gudhi/distance_functions.h
@@ -4,7 +4,7 @@
  *
  *    Author(s):       Clément Maria
  *
- *    Copyright (C) 2014  INRIA
+ *    Copyright (C) 2014 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
diff --git a/src/common/include/gudhi/graph_simplicial_complex.h b/src/common/include/gudhi/graph_simplicial_complex.h
index a6126182..49fe56cc 100644
--- a/src/common/include/gudhi/graph_simplicial_complex.h
+++ b/src/common/include/gudhi/graph_simplicial_complex.h
@@ -4,7 +4,7 @@
  *
  *    Author(s):       Clément Maria
  *
- *    Copyright (C) 2014  INRIA
+ *    Copyright (C) 2014 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
diff --git a/src/common/include/gudhi/random_point_generators.h b/src/common/include/gudhi/random_point_generators.h
index 9df77760..1f8f2cd8 100644
--- a/src/common/include/gudhi/random_point_generators.h
+++ b/src/common/include/gudhi/random_point_generators.h
@@ -4,7 +4,7 @@
  *
  *    Author(s):       Clement Jamin
  *
- *    Copyright (C) 2016 INRIA
+ *    Copyright (C) 2016 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
diff --git a/src/common/include/gudhi/reader_utils.h b/src/common/include/gudhi/reader_utils.h
index 90be4fc7..26eeb76d 100644
--- a/src/common/include/gudhi/reader_utils.h
+++ b/src/common/include/gudhi/reader_utils.h
@@ -4,7 +4,7 @@
  *
  *    Author(s):       Clement Maria, Pawel Dlotko, Clement Jamin
  *
- *    Copyright (C) 2014  INRIA
+ *    Copyright (C) 2014 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
diff --git a/src/common/include/gudhi/writing_persistence_to_file.h b/src/common/include/gudhi/writing_persistence_to_file.h
new file mode 100644
index 00000000..4c5ce918
--- /dev/null
+++ b/src/common/include/gudhi/writing_persistence_to_file.h
@@ -0,0 +1,117 @@
+/*    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):       Pawel Dlotko
+ *
+ *    Copyright (C) 2017  Swansea University, UK
+ *
+ *    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 WRITING_PERSISTENCE_TO_FILE_H
+#define WRITING_PERSISTENCE_TO_FILE_H
+
+#include <iostream>
+#include <string>
+#include <limits>
+
+namespace Gudhi {
+
+/**
+* This is a class to store persistence intervals. Its main purpose is to
+* exchange data in between different packages and provide unified way
+* of writing a collection of persistence intervals to file.
+**/
+template <typename Filtration_type, typename Coefficient_field>
+class Persistence_interval_common {
+ public:
+  /**
+   * Constructor taking as an input birth and death of the pair.
+  **/
+  Persistence_interval_common(Filtration_type birth, Filtration_type death)
+      : birth_(birth),
+        death_(death),
+        dimension_(std::numeric_limits<unsigned>::max()),
+        arith_element_(std::numeric_limits<Coefficient_field>::max()) {}
+
+  /**
+   * Constructor taking as an input birth, death and dimension of the pair.
+  **/
+  Persistence_interval_common(Filtration_type birth, Filtration_type death, unsigned dim)
+      : birth_(birth), death_(death), dimension_(dim), arith_element_(std::numeric_limits<Coefficient_field>::max()) {}
+
+  /**
+* Constructor taking as an input birth, death, dimension of the pair as well
+* as the number p such that this interval is present over Z_p field.
+**/
+  Persistence_interval_common(Filtration_type birth, Filtration_type death, unsigned dim, Coefficient_field field)
+      : birth_(birth), death_(death), dimension_(dim), arith_element_(field) {}
+
+  /**
+   * Operator to compare two persistence pairs. During the comparision all the
+   * fields: birth, death, dimensiona and arith_element_ are taken into account
+   * and they all have to be equal for two pairs to be equal.
+  **/
+  bool operator==(const Persistence_interval_common& i2) const {
+    return ((this->birth_ == i2.birth_) && (this->death_ == i2.death_) && (this->dimension_ == i2.dimension_) &&
+            (this->arith_element_ == i2.arith_element_));
+  }
+
+  /**
+   * Check if two persistence paris are not equal.
+  **/
+  bool operator!=(const Persistence_interval_common& i2) const { return (!((*this) == i2)); }
+
+  /**
+   * Operator to compare objects of a type Persistence_interval_common.
+   * One intervals is smaller than the other if it has lower persistence.
+   * Note that this operator do not take Arith_element into account when doing comparisions.
+  **/
+  bool operator<(const Persistence_interval_common& i2) const {
+    return fabs(this->death_ - this->birth_) < fabs(i2.death_ - i2.birth_);
+  }
+
+  friend std::ostream& operator<<(std::ostream& out, const Persistence_interval_common& it) {
+    if (it.arith_element_ != std::numeric_limits<Coefficient_field>::max()) {
+      out << it.arith_element_ << "  ";
+    }
+    if (it.dimension_ != std::numeric_limits<unsigned>::max()) {
+      out << it.dimension_ << " ";
+    }
+    out << it.birth_ << " " << it.death_ << " ";
+    return out;
+  }
+
+ private:
+  Filtration_type birth_;
+  Filtration_type death_;
+  unsigned dimension_;
+  Coefficient_field arith_element_;
+};
+
+/**
+ * This function write a vector<Persistence_interval_common> to a stream
+**/
+template <typename Persistence_interval_range>
+void write_persistence_intervals_to_stream(const Persistence_interval_range& intervals,
+                                           std::ostream& out = std::cout) {
+  for (auto interval : intervals) {
+    out << interval << "\n";
+  }
+}
+
+}
+
+#endif  // WRITING_PERSISTENCE_TO_FILE_H
diff --git a/src/common/test/test_distance_matrix_reader.cpp b/src/common/test/test_distance_matrix_reader.cpp
index 656e6f2e..6fee86e2 100644
--- a/src/common/test/test_distance_matrix_reader.cpp
+++ b/src/common/test/test_distance_matrix_reader.cpp
@@ -4,7 +4,7 @@
  *
  *    Author(s):       Vincent Rouvreau
  *
- *    Copyright (C) 2016  INRIA
+ *    Copyright (C) 2016 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
diff --git a/src/common/test/test_persistence_intervals_reader.cpp b/src/common/test/test_persistence_intervals_reader.cpp
index be299376..b7ece9bd 100644
--- a/src/common/test/test_persistence_intervals_reader.cpp
+++ b/src/common/test/test_persistence_intervals_reader.cpp
@@ -4,7 +4,7 @@
  *
  *    Author(s):       Vincent Rouvreau
  *
- *    Copyright (C) 2017  INRIA
+ *    Copyright (C) 2017 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
diff --git a/src/common/test/test_points_off_reader.cpp b/src/common/test/test_points_off_reader.cpp
index 0a78d190..ba3bab71 100644
--- a/src/common/test/test_points_off_reader.cpp
+++ b/src/common/test/test_points_off_reader.cpp
@@ -4,7 +4,7 @@
  *
  *    Author(s):       Vincent Rouvreau
  *
- *    Copyright (C) 2015
+ *    Copyright (C) 2015 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
diff --git a/src/common/utilities/off_file_from_shape_generator.cpp b/src/common/utilities/off_file_from_shape_generator.cpp
index afcd558c..5e3da7f7 100644
--- a/src/common/utilities/off_file_from_shape_generator.cpp
+++ b/src/common/utilities/off_file_from_shape_generator.cpp
@@ -4,7 +4,7 @@
  *
  *    Author(s):       Vincent Rouvreau
  *
- *    Copyright (C) 2014  INRIA Saclay (France)
+ *    Copyright (C) 2014 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
diff --git a/src/common/utilities/pointsetgenerator.md b/src/common/utilities/pointsetgenerator.md
index 3b23e668..c8c819b7 100644
--- a/src/common/utilities/pointsetgenerator.md
+++ b/src/common/utilities/pointsetgenerator.md
@@ -10,10 +10,6 @@ Leave the lines above as it is required by the web site generator 'Jekyll'
 {:/comment}
 
 
-# Miscellaneous #
-
-## off_file_from_shape_generator ##
-
 Generates a pointset and save it in an OFF file. Command-line is:
 
 ```