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small improvement in the support of 'float' as lua_Number

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Roberto Ierusalimschy
2013-01-29 14:00:40 -02:00
parent 0730a56d38
commit 181a837cac
4 changed files with 48 additions and 46 deletions
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12
luaconf.h
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@@ -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 */