From 67bfd03657b6a8b08d7e898d4f3ae554cc2e8c5e Mon Sep 17 00:00:00 2001
From: Quincey Koziol <koziol@hdfgroup.org>
Date: Wed, 28 Jan 1998 07:33:25 -0500
Subject: [svn-r179] Added SIGN macro

---
 src/H5private.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/H5private.h b/src/H5private.h
index 107ce82..8f0dba0 100644
--- a/src/H5private.h
+++ b/src/H5private.h
@@ -85,6 +85,11 @@
 #  define ABS(a)    (((a)>=0) ? (a) : -(a))
 #endif
 
+/* sign of argument */
+#ifndef SIGN
+#  define SIGN(a)    ((a)>0 ? 1 : (a)<0 ? -1 : 0)
+#endif
+
 /* maximum of three values */
 #ifndef MAX3
 #  define MAX3(a,b,c)   MAX(MAX(a,b),c)
-- 
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