Class RoundHelper

constructor

• new RoundHelper(): RoundHelper

• Returns RoundHelper

Static PRECISION_ERROR

Static isAtMidPoint

• isAtMidPoint(x): boolean

• Checks if a number is at midpoint.

  Parameters

  • x: number

    The number to check.

  Returns boolean

  If the number is at midpoint.

Static round

• round(x, mode?): number

• Rounds a value using "to even" or "away from zero" algroithm.

  Parameters

  • x: number

    The number to round.
  • mode: number = 1

    Rounding mode. 0 - "away from zero" algorithm. 1 - "to even" algorithm.

  Returns number

  Rounded number using one of two algorithms.

Static roundAwayFromZero

• roundAwayFromZero(x): number

• Rounds a value to the nearest number. Midpoint values are rounded toward the nearest number that's away from zero.

  Parameters

  • x: number

    The number to round.

  Returns number

  The rounded even number.

Static roundToEven

• roundToEven(x): number

• Rounds a value to the nearest number. Midpoint values are rounded toward the nearest even number.

  Parameters

  • x: number

    The number to round.

  Returns number

  The rounded even number.