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| author | daurnimator <quae@daurnimator.com> | 2017-05-22 16:04:19 +1000 |
|---|---|---|
| committer | daurnimator <quae@daurnimator.com> | 2017-05-22 16:04:19 +1000 |
| commit | edf9e47120f2098458519628335a7e90b2569b70 (patch) | |
| tree | 8a87cb0b8cc755d5448c3d711062ea7dc8fe3c0a /src/lmathlib.js | |
| parent | d6e4dc3e7684f32c614fa26b6d66eab57e64eb86 (diff) | |
| download | fengari-edf9e47120f2098458519628335a7e90b2569b70.tar.gz fengari-edf9e47120f2098458519628335a7e90b2569b70.tar.bz2 fengari-edf9e47120f2098458519628335a7e90b2569b70.zip | |
src/lmathlib.js: Implement math.atan second argument
Diffstat (limited to 'src/lmathlib.js')
| -rw-r--r-- | src/lmathlib.js | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/lmathlib.js b/src/lmathlib.js index b10f7bf..32893a6 100644 --- a/src/lmathlib.js +++ b/src/lmathlib.js @@ -80,7 +80,9 @@ const math_acos = function(L) { }; const math_atan = function(L) { - lua.lua_pushnumber(L, Math.atan(lauxlib.luaL_checknumber(L, 1))); + let y = lauxlib.luaL_checknumber(L, 1); + let x = lauxlib.luaL_optnumber(L, 2, 1); + lua.lua_pushnumber(L, Math.atan2(y, x)); return 1; }; |