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authordaurnimator <quae@daurnimator.com>2017-05-18 12:21:07 +1000
committerdaurnimator <quae@daurnimator.com>2017-05-18 12:21:07 +1000
commit31cbed5d79e18f8375bcaa56c55d1bd7053b1297 (patch)
tree15830362e7150828ba3da31be81e4a100e634db8 /src
parent0d4162d076423e92424de8ae507354cf9d165bdc (diff)
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src/lobject.js: Fix floating point mod operation
Closes #54
Diffstat (limited to 'src')
-rw-r--r--src/lobject.js6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/lobject.js b/src/lobject.js
index 680e293..3ec04f6 100644
--- a/src/lobject.js
+++ b/src/lobject.js
@@ -545,7 +545,11 @@ const numarith = function(L, op, v1, v2) {
case defs.LUA_OPPOW: return Math.pow(v1, v2);
case defs.LUA_OPIDIV: return Math.floor(v1 / v2);
case defs.LUA_OPUNM: return -v1;
- case defs.LUA_OPMOD: return v1 % v2;
+ case defs.LUA_OPMOD:
+ let m = v1 % v2;
+ if ((m*v2) < 0)
+ m += v2;
+ return m;
default: assert(0);
}
};