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authordaurnimator <quae@daurnimator.com>2017-05-22 15:56:07 +1000
committerdaurnimator <quae@daurnimator.com>2017-05-22 15:56:07 +1000
commitd6e4dc3e7684f32c614fa26b6d66eab57e64eb86 (patch)
treee8487243e1615f497042f2dcbc9606ec446bbdf4
parentfc06de96b0458e9b2fd8442523891fccbd7bf3d1 (diff)
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src/lmathlib.js: math.ult needs to compare as if integers are unsigned
-rw-r--r--src/lmathlib.js4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/lmathlib.js b/src/lmathlib.js
index 0c3b715..b10f7bf 100644
--- a/src/lmathlib.js
+++ b/src/lmathlib.js
@@ -129,7 +129,9 @@ const math_sqrt = function(L) {
const math_ult = function(L) {
let a = lauxlib.luaL_checkinteger(L, 1);
let b = lauxlib.luaL_checkinteger(L, 2);
- lua.lua_pushboolean(L, Math.abs(a) < Math.abs(b));
+ if (a < 0) a += 4294967296;
+ if (b < 0) b += 4294967296;
+ lua.lua_pushboolean(L, a < b);
return 1;
};