From 914398be0187ab7d21ef1100533ed7a3c7983c76 Mon Sep 17 00:00:00 2001
From: vrouvrea <vrouvrea@636b058d-ea47-450e-bf9e-a15bfbe3eedb>
Date: Wed, 27 Sep 2017 20:10:05 +0000
Subject: Replace INFINITY with
 std::numeric_limits<Filtration_value>::infinity()

git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/ST_remove_useless_global_filtration@2719 636b058d-ea47-450e-bf9e-a15bfbe3eedb

Former-commit-id: b24d3381da60cd634142e3024d5f5ed53294f8e8
---
 src/Hasse_complex/include/gudhi/Hasse_complex.h | 3 ++-
 src/Simplex_tree/include/gudhi/Simplex_tree.h   | 4 ++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/Hasse_complex/include/gudhi/Hasse_complex.h b/src/Hasse_complex/include/gudhi/Hasse_complex.h
index 834201a5..e67f7609 100644
--- a/src/Hasse_complex/include/gudhi/Hasse_complex.h
+++ b/src/Hasse_complex/include/gudhi/Hasse_complex.h
@@ -30,6 +30,7 @@
 #include <algorithm>
 #include <utility>  // for pair
 #include <vector>
+#include <limits>  // for infinity value
 
 #ifdef GUDHI_USE_TBB
 #include <tbb/parallel_for.h>
@@ -155,7 +156,7 @@ class Hasse_complex {
 
   Filtration_value filtration(Simplex_handle sh) {
     if (sh == null_simplex()) {
-      return INFINITY;
+      return std::numeric_limits<Filtration_value>::infinity();
     }
     return complex_[sh].filtration_;
   }
diff --git a/src/Simplex_tree/include/gudhi/Simplex_tree.h b/src/Simplex_tree/include/gudhi/Simplex_tree.h
index 8c91cc67..37b3ea97 100644
--- a/src/Simplex_tree/include/gudhi/Simplex_tree.h
+++ b/src/Simplex_tree/include/gudhi/Simplex_tree.h
@@ -402,14 +402,14 @@ class Simplex_tree {
 
   /** \brief Returns the filtration value of a simplex.
    *
-   * Called on the null_simplex, returns INFINITY.
+   * Called on the null_simplex, it returns infinity.
    * If SimplexTreeOptions::store_filtration is false, returns 0.
    */
   static Filtration_value filtration(Simplex_handle sh) {
     if (sh != null_simplex()) {
       return sh->second.filtration();
     } else {
-      return INFINITY;
+      return std::numeric_limits<Filtration_value>::infinity();
     }
   }
 
-- 
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