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Math

This page documents the changes & additions to the math library in Pluto, which is built on top of Lua 5.4's.

math.isnan​

Checks if a number is NaN.

Parameters​

  1. The number to check.
local x = 0 / 0
print(x ~= x) -- Lua way: Prove the variable is NaN because it is not equal to itself. Works, but unintuitive.
print(math.isnan(x))

math.round​

Rounds a number to the nearest integer.

Parameters​

  1. The number to round.
print(math.round(2.4)) --> 2
print(math.round(2.5)) --> 3

math.atan2​

An alias of math.atan.