From 3f2230eee51ae1e79fe4b4d754311124a4cf96e4 Mon Sep 17 00:00:00 2001 From: Ben Gras Date: Tue, 11 Dec 2007 10:59:02 +0000 Subject: [PATCH] add M_SQRT1_2 (1/sqrt(2)) --- include/mathconst.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/mathconst.h b/include/mathconst.h index ee11bcc30..56fef8cdf 100755 --- a/include/mathconst.h +++ b/include/mathconst.h @@ -25,5 +25,6 @@ #define M_SQRT2 1.41421356237309504880168872420969808 #define M_1_SQRT2 0.70710678118654752440084436210484904 #define M_EULER 0.57721566490153286060651209008240243 +#define M_SQRT1_2 0.70710678118654752440084436210484904 #endif /* _MATHCONST_H */