tibia-client/modules/corelib/math.lua

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-- @docclass math
local U8 = 2^8
local U16 = 2^16
local U32 = 2^32
local U64 = 2^64
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function math.round(num, idp)
local mult = 10^(idp or 0)
if num >= 0 then
return math.floor(num * mult + 0.5) / mult
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else
return math.ceil(num * mult - 0.5) / mult
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end
end
function math.isu8(num)
return math.isinteger(num) and num >= 0 and num < U8
end
function math.isu16(num)
return math.isinteger(num) and num >= U8 and num < U16
end
function math.isu32(num)
return math.isinteger(num) and num >= U16 and num < U32
end
function math.isu64(num)
return math.isinteger(num) and num >= U32 and num < U64
end
function math.isinteger(num)
return ((type(num) == 'number') and (num == math.floor(num)))
end