From a820e3bd3c87127755b92a34cc234777502fc282 Mon Sep 17 00:00:00 2001
From: astrojhgu <astrojhgu@ed2142bd-67ad-457f-ba7c-d818d4011675>
Date: Tue, 18 Sep 2012 05:47:12 +0000
Subject: git-svn-id: file:///home/svn/opt_utilities@245
 ed2142bd-67ad-457f-ba7c-d818d4011675

---
 misc/bootstrap.hpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/misc/bootstrap.hpp b/misc/bootstrap.hpp
index 6059917..cc647ef 100644
--- a/misc/bootstrap.hpp
+++ b/misc/bootstrap.hpp
@@ -15,6 +15,7 @@
 #include <iostream>
 #include <utility>
 #include <algorithm>
+#include <cmath>
 #include <data_sets/default_data_set.hpp>
 using std::cerr;
 namespace opt_utilities
@@ -27,7 +28,7 @@ namespace opt_utilities
       {
 	y=(rand()/(Ty)RAND_MAX-(Ty).5)*(10*y_err)+y0;
       }
-    while(rand()/(Ty)RAND_MAX>exp(-(y-y0)*(y-y0)/(y_err*y_err)));
+    while(rand()/(Ty)RAND_MAX>std::exp(-(y-y0)*(y-y0)/(y_err*y_err)));
     return y;
   }
 
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