Function sgn

Returns the sign of a number.

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
  • sgn(num: number): -1 | 0 | 1

    Parameters

    • num: number

      Number

    Returns -1 | 0 | 1

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