Function sgn

sgn(num): 0 | 1 | -1

Returns the sign of a number.

Parameters

num: number
Number

Returns 0 | 1 | -1

Example

const pos = Chalkboard.numb.sgn(19); // Returns 1
const zero = Chalkboard.numb.sgn(0); // Returns 0
const neg = Chalkboard.numb.sgn(-5); // Returns -1

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