Add tan_test for test purpose

git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/tangential_test@1807 636b058d-ea47-450e-bf9e-a15bfbe3eedb

Former-commit-id: 85200e0b013cc119aead9556e97db877b3421064

3 files changed, 61 insertions, 2 deletions

diff --git a/src/Tangential_complex/example/CMakeLists.txt b/src/Tangential_complex/example/CMakeLists.txt
index a75ccd5b..76ba0a32 100644
--- a/src/Tangential_complex/example/CMakeLists.txt
+++ b/src/Tangential_complex/example/CMakeLists.txt
@@ -8,9 +8,12 @@ if(CGAL_FOUND)
       target_link_libraries(Tangential_complex_example_basic ${CGAL_LIBRARY} ${Boost_DATE_TIME_LIBRARY})
       add_executable( Tangential_complex_example_with_perturb example_with_perturb.cpp )
       target_link_libraries(Tangential_complex_example_with_perturb ${CGAL_LIBRARY} ${Boost_DATE_TIME_LIBRARY})
+      add_executable( tan_test tan_test.cpp )
+      target_link_libraries(tan_test ${CGAL_LIBRARY} ${Boost_DATE_TIME_LIBRARY})
       if (TBB_FOUND)
         target_link_libraries(Tangential_complex_example_basic ${TBB_LIBRARIES})
         target_link_libraries(Tangential_complex_example_with_perturb ${TBB_LIBRARIES})
+        target_link_libraries(tan_test ${TBB_LIBRARIES})
       endif(TBB_FOUND)
 
       add_test(Tangential_complex_example_basic
@@ -18,6 +21,9 @@ if(CGAL_FOUND)
 
       add_test(Tangential_complex_example_with_perturb
                ${CMAKE_CURRENT_BINARY_DIR}/Tangential_complex_example_with_perturb)
+
+      add_test(tan_test
+               ${CMAKE_CURRENT_BINARY_DIR}/tan_test)
     endif(EIGEN3_FOUND)
   endif(NOT CGAL_VERSION VERSION_LESS 4.8.0)
 endif(CGAL_FOUND)
diff --git a/src/Tangential_complex/example/tan_test.cpp b/src/Tangential_complex/example/tan_test.cpp
new file mode 100644
index 00000000..afb9f13c
--- /dev/null
+++ b/src/Tangential_complex/example/tan_test.cpp
@@ -0,0 +1,54 @@
+#include <gudhi/Tangential_complex.h>
+#include <gudhi/sparsify_point_set.h>
+
+#include <CGAL/Epick_d.h>
+#include <CGAL/Random.h>
+
+#include <array>
+#include <vector>
+
+namespace tc = Gudhi::tangential_complex;
+
+typedef CGAL::Epick_d<CGAL::Dynamic_dimension_tag> Kernel;
+typedef Kernel::FT FT;
+typedef Kernel::Point_d Point;
+typedef Kernel::Vector_d Vector;
+typedef tc::Tangential_complex<
+Kernel, CGAL::Dynamic_dimension_tag,
+CGAL::Parallel_tag> TC;
+
+int main(void) {
+  const int INTRINSIC_DIM = 1;
+
+  // Generate points on a 2-sphere
+  std::vector<Point> points;
+  // [[0, 0], [1, 0], [0, 1], [1, 1]]
+  std::vector<double> point = {0.0, 0.0};
+  points.push_back(Point(point.size(), point.begin(), point.end()));
+  point = {1.0, 0.0};
+  points.push_back(Point(point.size(), point.begin(), point.end()));
+  point = {0.0, 1.0};
+  points.push_back(Point(point.size(), point.begin(), point.end()));
+  point = {1.0, 1.0};
+  points.push_back(Point(point.size(), point.begin(), point.end()));
+
+  Kernel k;
+  for (int i = 0; i < 100; i++) {
+
+    // Compute the TC
+    TC tc(points, INTRINSIC_DIM, k);
+    tc.compute_tangential_complex();
+    TC::Num_inconsistencies num_inc = tc.number_of_inconsistent_simplices();
+    std::cout << "TC vertices = " << tc.number_of_vertices() << " - simplices = " << num_inc.num_simplices << 
+        " - inconsistencies = " << num_inc.num_inconsistent_simplices << std::endl;
+
+    tc.fix_inconsistencies_using_perturbation(10.0, 60.0);
+    // Export the TC into a Simplex_tree
+    Gudhi::Simplex_tree<> stree;
+    tc.create_complex(stree);
+    std::cout << "ST vertices = " << stree.num_vertices() << " - simplices = " << stree.num_simplices() << std::endl;
+
+  }
+
+  return 0;
+}
diff --git a/src/Tangential_complex/include/gudhi/Tangential_complex/config.h b/src/Tangential_complex/include/gudhi/Tangential_complex/config.h
index 98a1b14f..ffefcd6b 100644
--- a/src/Tangential_complex/include/gudhi/Tangential_complex/config.h
+++ b/src/Tangential_complex/include/gudhi/Tangential_complex/config.h
@@ -26,8 +26,7 @@
 #include <cstddef>
 
 // ========================= Debugging & profiling =============================
-#define GUDHI_TC_PROFILING
-#define DEBUG_TRACES
+// #define GUDHI_TC_PROFILING
 // #define GUDHI_TC_VERY_VERBOSE
 // #define GUDHI_TC_PERFORM_EXTRA_CHECKS
 // #define GUDHI_TC_SHOW_DETAILED_STATS_FOR_INCONSISTENCIES