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James Graves <ansible <at>> writes:

> If you want to _round_ off a floating point number, instead of
> flooring it, here is the rounding function I have in my standard
> library:
>     function round(num) return math.floor(num+.5) end
> Are you handling negative numbers?  math.floor may not be what you want
> in that case:

This is my way to get symmetric behavior

local function round(x)
	if x<0 then return -round(-x) end
	return  math.floor(x+0.5)

Test with -1.5 : my round=-2 your round=-1

Regards Jørgen