Merge release-4-6 into master

[alexxy/gromacs.git] / src / gromacs / legacyheaders / maths.h

diff --git a/src/gromacs/legacyheaders/maths.h b/src/gromacs/legacyheaders/maths.h
index 3ade75f1e52dc2466cf397bc66f6a9f9f334b13f..ff36c9d13daf2555e5648fb40e983582fdbf1066 100644 (file)
--- a/src/gromacs/legacyheaders/maths.h
+++ b/src/gromacs/legacyheaders/maths.h
@@ -65,6 +65,21 @@ extern "C" {
 #define M_1_PI      0.31830988618379067154
 #endif
 
+#ifndef M_FLOAT_1_SQRTPI /* used in CUDA kernels */
+/* 1.0 / sqrt(M_PI) */
+#define M_FLOAT_1_SQRTPI 0.564189583547756f
+#endif
+
+#ifndef M_1_SQRTPI
+/* 1.0 / sqrt(M_PI) */
+#define M_1_SQRTPI 0.564189583547756
+#endif
+
+#ifndef M_2_SQRTPI
+/* 2.0 / sqrt(M_PI) */
+#define M_2_SQRTPI  1.128379167095513
+#endif
+
 int            gmx_nint(real a);
 real    sign(real x,real y);