diff options
Diffstat (limited to 'numutil.lua')
-rw-r--r-- | numutil.lua | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/numutil.lua b/numutil.lua new file mode 100644 index 0000000..ce212c4 --- /dev/null +++ b/numutil.lua @@ -0,0 +1,11 @@ +local function sign(x) + if x > 0 then return 1 + elseif x < 0 then return -1 + else return 0 + end +end + + +return { + sign = sign, +} |