From 470a94b3a1f63cf3f21dc6f1914dff8420b43011 Mon Sep 17 00:00:00 2001
From: Erik Schnetter <schnetter@gmail.com>
Date: Mon, 22 Oct 2012 14:23:14 -0400
Subject: Expect isnan in std:: namespace in C++

---
 Auxiliary/Cactus/KrancNumericalTools/GenericFD/src/GenericFD.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'Auxiliary/Cactus')

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);
 }
 
-- 
cgit v1.2.3