Neon.Primitive.Number

aNumber :: Number -> Boolean

Tests if a number is a valid number. Returns false if the number is nan. This is necessary because nan does not equal itself.

aNumber 1.0 -- true
aNumber nan -- false
nan == nan -- false

ceiling :: Number -> Int

Rounds a number up.

ceiling 1.1 -- 2

finite :: Number -> Boolean

Tests whether a number is finite or not.

finite 1.0 -- true
finite infinity -- false

floor :: Number -> Int

Rounds a number down.

floor 1.9 -- 1

infinity :: Number

An alias for Infinity from JavaScript.

nan :: Number

An alias for NaN from JavaScript.

round :: Number -> Int

Rounds a number to the nearest integer.

round 1.4 -- 1
round 1.6 -- 2
round 1.5 -- 2
round 2.5 -- 3