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new conversion float->integer: conversion is valid only when

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float has an exact representation as an integer
This commit is contained in:
Roberto Ierusalimschy
2014-07-17 09:30:53 -03:00
parent c229ed597f
commit 8bb272a3e3
4 changed files with 46 additions and 35 deletions
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6
lauxlib.c
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@@ -1,5 +1,5 @@
/*
** $Id: lauxlib.c,v 1.264 2014/06/26 17:25:11 roberto Exp roberto $
** $Id: lauxlib.c,v 1.265 2014/07/16 14:51:36 roberto Exp roberto $
** Auxiliary functions for building Lua libraries
** See Copyright Notice in lua.h
*/
@@ -396,8 +396,8 @@ LUALIB_API lua_Number luaL_optnumber (lua_State *L, int arg, lua_Number def) {
static void interror (lua_State *L, int arg) {
if (lua_type(L, arg) == LUA_TNUMBER)
luaL_argerror(L, arg, "float value out of integer range");
if (lua_isnumber(L, arg))
luaL_argerror(L, arg, "number has no integer representation");
else
tag_error(L, arg, LUA_TNUMBER);
}