Doc review : User version bad description for Alpha complex 3d

             Add a comment for alpha complex 3d example creation for templates
Code review : SAFE is now the default version


git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/alpha_complex_3d_module_vincent@3990 636b058d-ea47-450e-bf9e-a15bfbe3eedb

Former-commit-id: a283cc630ac78634d6700aefb981d130c9464024

3 files changed, 7 insertions, 4 deletions

diff --git a/src/Alpha_complex/doc/Intro_alpha_complex.h b/src/Alpha_complex/doc/Intro_alpha_complex.h
index 648fb6d6..fddab003 100644
--- a/src/Alpha_complex/doc/Intro_alpha_complex.h
+++ b/src/Alpha_complex/doc/Intro_alpha_complex.h
@@ -168,8 +168,10 @@ namespace alpha_complex {
  *
  * \section weighted3dexample 3d specific example
  *
- * A specific module for Alpha complex is available in 3d (cf. Alpha_complex_3d) and allows to construct default, exact,
- * weighted, periodic or weighted and periodic versions of alpha complexes
+ * A specific module for Alpha complex is available in 3d (cf. Alpha_complex_3d) and allows to construct standard,
+ * weighted, periodic or weighted and periodic versions of alpha complexes. Alpha values computation can be
+ * Gudhi::alpha_complex::complexity::FAST, Gudhi::alpha_complex::complexity::SAFE (default value) or
+ * Gudhi::alpha_complex::complexity::EXACT.
  *
  * This example builds the CGAL 3d weighted alpha shapes from a small molecule, and initializes the alpha complex with
  * it. This example is taken from <a href="https://doc.cgal.org/latest/Alpha_shapes_3/index.html#title13">CGAL 3d
diff --git a/src/Alpha_complex/example/Weighted_alpha_complex_3d_from_points.cpp b/src/Alpha_complex/example/Weighted_alpha_complex_3d_from_points.cpp
index 68f72f0a..3a69623f 100644
--- a/src/Alpha_complex/example/Weighted_alpha_complex_3d_from_points.cpp
+++ b/src/Alpha_complex/example/Weighted_alpha_complex_3d_from_points.cpp
@@ -7,6 +7,7 @@
 #include <vector>
 #include <limits>  // for numeric limits
 
+// Complexity = EXACT, weighted = true, periodic = false
 using Weighted_alpha_complex_3d =
     Gudhi::alpha_complex::Alpha_complex_3d<Gudhi::alpha_complex::complexity::EXACT, true, false>;
 using Point = Weighted_alpha_complex_3d::Point_3;
diff --git a/src/Alpha_complex/include/gudhi/Alpha_complex_3d.h b/src/Alpha_complex/include/gudhi/Alpha_complex_3d.h
index 00a47d5c..b441a5b2 100644
--- a/src/Alpha_complex/include/gudhi/Alpha_complex_3d.h
+++ b/src/Alpha_complex/include/gudhi/Alpha_complex_3d.h
@@ -146,7 +146,7 @@ struct Value_from_iterator<complexity::EXACT, false> {
  * Duplicate points are inserted once in the Alpha_complex. This is the reason why the vertices may be not contiguous.
  *
  * \tparam Complexity shall be `Gudhi::alpha_complex::complexity`. Default value is
- * `Gudhi::alpha_complex::complexity::FAST`.
+ * `Gudhi::alpha_complex::complexity::SAFE`.
  *
  * \tparam Weighted Boolean used to set/unset the weighted version of Alpha_complex_3d. Default value is false.
  *
@@ -169,7 +169,7 @@ struct Value_from_iterator<complexity::EXACT, false> {
  * 3d Delaunay complex.
  *
  */
-template <complexity Complexity = complexity::FAST, bool Weighted = false, bool Periodic = false>
+template <complexity Complexity = complexity::SAFE, bool Weighted = false, bool Periodic = false>
 class Alpha_complex_3d {
   // Epick = Exact_predicates_inexact_constructions_kernel
   // Epeck = Exact_predicates_exact_constructions_kernel