From db724e14e0b456a980f16a8adec4f20708c11af4 Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Fri, 25 Nov 2005 11:29:32 -0200
Subject: new macro luai_numisnan

---
 lcode.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'lcode.c')

diff --git a/lcode.c b/lcode.c
index 3ca3a459..58325b5b 100644
--- a/lcode.c
+++ b/lcode.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lcode.c,v 2.21 2005/11/08 19:44:31 roberto Exp roberto $
+** $Id: lcode.c,v 2.22 2005/11/16 11:55:27 roberto Exp roberto $
 ** Code generator for Lua
 ** See Copyright Notice in lua.h
 */
@@ -647,7 +647,7 @@ static int constfolding (OpCode op, expdesc *e1, expdesc *e2) {
     case OP_LEN: return 0;  /* no constant folding for 'len' */
     default: lua_assert(0); r = 0; break;
   }
-  if (r != r) return 0;  /* do not attempt to produce NaN */
+  if (luai_numisnan(r)) return 0;  /* do not attempt to produce NaN */
   e1->u.nval = r;
   return 1;
 }
-- 
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