From 198a58f626cd39ee64a403c0059df14774e213ac Mon Sep 17 00:00:00 2001
From: Juan Jose Garcia Ripoll <jjgarcia@jjgr-2.local>
Date: Sat, 13 Jun 2009 22:48:02 +0200
Subject: [PATCH] Microsoft MSVC has _copysign, which can be used to implement
 signbit

---
 msvc/ecl/config.h.msvc6 | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/msvc/ecl/config.h.msvc6 b/msvc/ecl/config.h.msvc6
index 85ccc24ed..322ac04b6 100644
--- a/msvc/ecl/config.h.msvc6
+++ b/msvc/ecl/config.h.msvc6
@@ -405,5 +405,6 @@ typedef unsigned int uint32_t;
 
 #include <math.h>
 #ifndef isfinite
-#define isfinite(x) (finite(x))
+# define isfinite(x) (finite(x))
+# define signbit(x) (_copysign(1.0,(x)))
 #endif