From 009bbccb69fbf9a6872b34c22c32f55d5aa6888a Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Fri, 7 Mar 2003 14:54:22 +0000
Subject: added OS/2 version of IROUND (Evgeny Kotsuba)

---
 src/mesa/main/imports.h | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

(limited to 'src/mesa/main')

diff --git a/src/mesa/main/imports.h b/src/mesa/main/imports.h
index 73c3b6eb427..8de543b1307 100644
--- a/src/mesa/main/imports.h
+++ b/src/mesa/main/imports.h
@@ -1,4 +1,4 @@
-/* $Id: imports.h,v 1.17 2003/03/04 16:33:53 brianp Exp $ */
+/* $Id: imports.h,v 1.18 2003/03/07 14:54:22 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -330,8 +330,17 @@ long iround(float f);
 	parm [8087]                         \
 	value [eax]                         \
 	modify exact [eax];
-
 #define IROUND(x)  iround(x)
+#elif defined(__OS2__)
+#ifndef FIST_MAGIC
+#define FIST_MAGIC ((((65536.0 * 65536.0 * 16)+(65536.0 * 0.5))* 65536.0))
+#endif
+inline int iround(float x)
+{
+   double dtemp = FIST_MAGIC + x;
+   return ((*(int *)&dtemp) - 0x80000000);
+}
+#define IROUND(f)  iround((float)f)
 #else
 #define IROUND(f)  ((int) (((f) >= 0.0F) ? ((f) + 0.5F) : ((f) - 0.5F)))
 #endif
-- 
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