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authorErik Schnetter <schnetter@gmail.com>2012-10-22 14:23:14 -0400
committerErik Schnetter <schnetter@gmail.com>2012-10-22 14:23:14 -0400
commit470a94b3a1f63cf3f21dc6f1914dff8420b43011 (patch)
treed8dbf74b6fed74f9858f3f0426e60d2698899dfc /Auxiliary
parent355c7a3477d804eeb81f96c08ec5f56427cf30ff (diff)
Expect isnan in std:: namespace in C++
Diffstat (limited to 'Auxiliary')
-rw-r--r--Auxiliary/Cactus/KrancNumericalTools/GenericFD/src/GenericFD.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/Auxiliary/Cactus/KrancNumericalTools/GenericFD/src/GenericFD.h b/Auxiliary/Cactus/KrancNumericalTools/GenericFD/src/GenericFD.h
index 5d1b17e..38ae740 100644
--- a/Auxiliary/Cactus/KrancNumericalTools/GenericFD/src/GenericFD.h
+++ b/Auxiliary/Cactus/KrancNumericalTools/GenericFD/src/GenericFD.h
@@ -63,6 +63,9 @@ extern "C" {
KRANC_WHERE static inline CCTK_REAL sgn(CCTK_REAL x)
{
+#ifdef __cplusplus
+ using namespace std;
+#endif
return x==(CCTK_REAL)0.0 ? (CCTK_REAL)0.0 : copysign((CCTK_REAL)1.0, x);
}