From 181a837cac39fe9a411b64d67239d98785518c33 Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Tue, 29 Jan 2013 14:00:40 -0200
Subject: small improvement in the support of 'float' as lua_Number

---
 luaconf.h | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

(limited to 'luaconf.h')

diff --git a/luaconf.h b/luaconf.h
index d6f58ab2..ebe038ce 100644
--- a/luaconf.h
+++ b/luaconf.h
@@ -1,5 +1,5 @@
 /*
-** $Id: luaconf.h,v 1.173 2012/07/13 14:54:14 roberto Exp roberto $
+** $Id: luaconf.h,v 1.174 2012/10/01 14:14:45 roberto Exp roberto $
 ** Configuration file for Lua
 ** See Copyright Notice in lua.h
 */
@@ -405,6 +405,12 @@
 #define LUAI_MAXNUMBER2STR	32 /* 16 digits, sign, point, and \0 */
 
 
+/*
+@@ l_mathop allows the addition of an 'l' or 'f' to all math operations
+*/
+#define l_mathop(x)		(x)
+
+
 /*
 @@ lua_str2number converts a decimal numeric string to a number.
 @@ lua_strx2number converts an hexadecimal numeric string to a number.
@@ -427,8 +433,8 @@
 /* the following operations need the math library */
 #if defined(lobject_c) || defined(lvm_c)
 #include <math.h>
-#define luai_nummod(L,a,b)	((a) - floor((a)/(b))*(b))
-#define luai_numpow(L,a,b)	(pow(a,b))
+#define luai_nummod(L,a,b)	((a) - l_mathop(floor)((a)/(b))*(b))
+#define luai_numpow(L,a,b)	(l_mathop(pow)(a,b))
 #endif
 
 /* these are quite standard operations */
-- 
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