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-rw-r--r--src/lmathlib.js10
1 files changed, 5 insertions, 5 deletions
diff --git a/src/lmathlib.js b/src/lmathlib.js
index 8c7b8a5..3e4486a 100644
--- a/src/lmathlib.js
+++ b/src/lmathlib.js
@@ -203,15 +203,15 @@ const math_type = function(L) {
const math_fmod = function(L) {
if (lua.lua_isinteger(L, 1) && lua.lua_isinteger(L, 2)) {
let d = lua.lua_tointeger(L, 2);
- if (Math.abs(d) + 1 <= 1) {
- lauxlib.luaL_argcheck(L, d !== 0, 2, lua.to_luastring("zero", true));
- lua.lua_pushinteger(L, 0);
+ /* no special case needed for -1 in javascript */
+ if (d === 0) {
+ lauxlib.luaL_argerror(L, 2, lua.to_luastring("zero", true));
} else
- lua.lua_pushinteger(L, lua.lua_tointeger(L, 1) % d);
+ lua.lua_pushinteger(L, (lua.lua_tointeger(L, 1) % d)|0);
} else {
let a = lauxlib.luaL_checknumber(L, 1);
let b = lauxlib.luaL_checknumber(L, 2);
- lua.lua_pushnumber(L, Number((a - (Math.floor(a / b) * b)).toPrecision(8)));
+ lua.lua_pushnumber(L, a%b);
}
return 1;
};