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lua_Number defined in lua.h (1st version)

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Roberto Ierusalimschy
2000-12-04 16:33:40 -02:00
parent 10ac68c648
commit 4894c27962
19 changed files with 67 additions and 74 deletions
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8
lauxlib.c
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@@ -1,5 +1,5 @@
/*
** $Id: lauxlib.c,v 1.42 2000/10/30 12:38:50 roberto Exp roberto $
** $Id: lauxlib.c,v 1.43 2000/10/30 13:07:48 roberto Exp roberto $
** Auxiliary functions for building Lua libraries
** See Copyright Notice in lua.h
*/
@@ -84,15 +84,15 @@ LUALIB_API const char *luaL_opt_lstr (lua_State *L, int narg, const char *def, s
}
LUALIB_API double luaL_check_number (lua_State *L, int narg) {
double d = lua_tonumber(L, narg);
LUALIB_API lua_Number luaL_check_number (lua_State *L, int narg) {
lua_Number d = lua_tonumber(L, narg);
if (d == 0 && !lua_isnumber(L, narg)) /* avoid extra test when d is not 0 */
type_error(L, narg, LUA_TNUMBER);
return d;
}
LUALIB_API double luaL_opt_number (lua_State *L, int narg, double def) {
LUALIB_API lua_Number luaL_opt_number (lua_State *L, int narg, lua_Number def) {
if (lua_isnull(L, narg)) return def;
else return luaL_check_number(L, narg);
}