[Overview][Constants][Types][Classes][Procedures and functions][Index] Reference for unit 'math' (#rtl)

RoundTo

Round to the specified number of digits

Declaration

Source position: math.pp line 254

function RoundTo(

  const AValue: Double;

  const Digits: TRoundToRange

):Double;

function RoundTo(

  const AVAlue: Extended;

  const Digits: TRoundToRange

):Extended;

function RoundTo(

  const AValue: Single;

  const Digits: TRoundToRange

):Single;

Description

RoundTo rounds the specified float AValue to the specified number of digits and returns the result. This result is accurate to "10 to the power Digits". It uses the standard Round function for this.

Errors

An exception may occur if the value AValue is not inside a valid integer (or Int64) range.

See also

TRoundToRange

  

Range with valid range of digits in RoundTo

SimpleRoundTo

  

Round to the specified number of digits (rounding up if needed)

SetRoundMode

  

Set the Floating Point Unit rounding mode.

TFPURoundingMode

  

Type describing the rounding mode for the Floating Point processor.


Documentation generated on: Sep 28 2017