From aa5760623c2d769c01567f5c7f07d52fabc3e2d9 Mon Sep 17 00:00:00 2001
From: vrouvrea <vrouvrea@636b058d-ea47-450e-bf9e-a15bfbe3eedb>
Date: Tue, 19 Dec 2017 09:52:37 +0000
Subject: Add a function for unitary tests to test floating point values
 equality w/wo epsilon values

git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/persistence_representation_integration_cmake_improvement@3083 636b058d-ea47-450e-bf9e-a15bfbe3eedb

Former-commit-id: 835037fd6efea4fbfc9a494df3015186232388bf
---
 src/Alpha_complex/test/Alpha_complex_unit_test.cpp | 19 ++++++++-----------
 1 file changed, 8 insertions(+), 11 deletions(-)

(limited to 'src/Alpha_complex/test')

diff --git a/src/Alpha_complex/test/Alpha_complex_unit_test.cpp b/src/Alpha_complex/test/Alpha_complex_unit_test.cpp
index 166373fe..c3ad1a9c 100644
--- a/src/Alpha_complex/test/Alpha_complex_unit_test.cpp
+++ b/src/Alpha_complex/test/Alpha_complex_unit_test.cpp
@@ -23,6 +23,7 @@
 #define BOOST_TEST_DYN_LINK
 #define BOOST_TEST_MODULE "alpha_complex"
 #include <boost/test/unit_test.hpp>
+#include <boost/mpl/list.hpp>
 
 #include <CGAL/Delaunay_triangulation.h>
 #include <CGAL/Epick_d.h>
@@ -36,7 +37,7 @@
 // to construct a simplex_tree from Delaunay_triangulation
 #include <gudhi/graph_simplicial_complex.h>
 #include <gudhi/Simplex_tree.h>
-#include <boost/mpl/list.hpp>
+#include <gudhi/Unitary_tests_utils.h>
 
 // Use dynamic_dimension_tag for the user to be able to set dimension
 typedef CGAL::Epick_d< CGAL::Dynamic_dimension_tag > Kernel_d;
@@ -96,10 +97,6 @@ BOOST_AUTO_TEST_CASE_TEMPLATE(Alpha_complex_from_OFF_file, TestedKernel, list_of
   BOOST_CHECK(simplex_tree_59.num_simplices() == 23);
 }
 
-bool are_almost_the_same(float a, float b) {
-  return std::fabs(a - b) < std::numeric_limits<float>::epsilon();
-}
-
 // Use static dimension_tag for the user not to be able to set dimension
 typedef CGAL::Epick_d< CGAL::Dimension_tag<4> > Kernel_4;
 typedef Kernel_4::Point_d Point_4;
@@ -166,16 +163,16 @@ BOOST_AUTO_TEST_CASE(Alpha_complex_from_points) {
   for (auto f_simplex : simplex_tree.filtration_simplex_range()) {
     switch (simplex_tree.dimension(f_simplex)) {
       case 0:
-        BOOST_CHECK(are_almost_the_same(simplex_tree.filtration(f_simplex), 0.0));
+        GUDHI_TEST_FLOAT_EQUALITY_CHECK(simplex_tree.filtration(f_simplex), 0.0);
         break;
       case 1:
-        BOOST_CHECK(are_almost_the_same(simplex_tree.filtration(f_simplex), 1.0/2.0));
+        GUDHI_TEST_FLOAT_EQUALITY_CHECK(simplex_tree.filtration(f_simplex), 1.0/2.0);
         break;
       case 2:
-        BOOST_CHECK(are_almost_the_same(simplex_tree.filtration(f_simplex), 2.0/3.0));
+        GUDHI_TEST_FLOAT_EQUALITY_CHECK(simplex_tree.filtration(f_simplex), 2.0/3.0);
         break;
       case 3:
-        BOOST_CHECK(are_almost_the_same(simplex_tree.filtration(f_simplex), 3.0/4.0));
+        GUDHI_TEST_FLOAT_EQUALITY_CHECK(simplex_tree.filtration(f_simplex), 3.0/4.0);
         break;
       default:
         BOOST_CHECK(false);  // Shall not happen
@@ -239,10 +236,10 @@ BOOST_AUTO_TEST_CASE(Alpha_complex_from_points) {
   for (auto f_simplex : simplex_tree.filtration_simplex_range()) {
     switch (simplex_tree.dimension(f_simplex)) {
       case 0:
-        BOOST_CHECK(are_almost_the_same(simplex_tree.filtration(f_simplex), 0.0));
+        GUDHI_TEST_FLOAT_EQUALITY_CHECK(simplex_tree.filtration(f_simplex), 0.0);
         break;
       case 1:
-        BOOST_CHECK(are_almost_the_same(simplex_tree.filtration(f_simplex), 1.0/2.0));
+        GUDHI_TEST_FLOAT_EQUALITY_CHECK(simplex_tree.filtration(f_simplex), 1.0/2.0);
         break;
       default:
         BOOST_CHECK(false);  // Shall not happen
-- 
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