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use 'opf' (float) variants only when explicitly allowed (LUA_USE_C99)

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This commit is contained in:
Roberto Ierusalimschy 2014-10-21 12:38:46 -02:00
parent 6d613817d4
commit d7a0179cd6
1 changed files with 4 additions and 9 deletions
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13
luaconf.h
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@ -1,5 +1,5 @@
/*
** $Id: luaconf.h,v 1.218 2014/10/17 16:28:21 roberto Exp roberto $
** $Id: luaconf.h,v 1.219 2014/10/20 16:32:05 roberto Exp roberto $
** Configuration file for Lua
** See Copyright Notice in lua.h
*/
@ -547,16 +547,11 @@
#endif /* } */
#if defined(LUA_ANSI)
/* C89 does not support 'opf' variants for math functions */
#if !defined(LUA_USE_C99)
/* 'strtof' and 'opf' variants for math functions are C99 */
#undef l_mathop
#define l_mathop(op) (lua_Number)op
#endif
#if defined(LUA_ANSI) || defined(_WIN32)
/* C89 and Windows do not support 'strtof'... */
#undef lua_str2number
#define l_mathop(op) (lua_Number)op
#define lua_str2number(s,p) ((lua_Number)strtod((s), (p)))
#endif