Package org.apfloat

Class RoundingHelper

java.lang.Object

org.apfloat.RoundingHelper

class RoundingHelper
extends java.lang.Object

Helper class for rounding functions.

Since:

1.7.0

Version:

1.11.0

Constructor Summary

Constructors

Modifier	Constructor	Description
private	RoundingHelper()

Method Summary

Modifier and Type	Method	Description
static int	compareToHalf(Apfloat x)
static int	compareToHalf(Aprational x)
private static boolean	isEven(Apint x)
static Apint	roundToInteger(Apfloat x, java.math.RoundingMode roundingMode)
static Apfloat	roundToMultiple(Apfloat x, Apfloat y, java.math.RoundingMode roundingMode)
static Aprational	roundToMultiple(Aprational x, Aprational y, java.math.RoundingMode roundingMode)
static Apfloat	roundToPlaces(Apfloat x, long places, java.math.RoundingMode roundingMode)
static Apfloat	roundToPrecision(Apfloat x, long precision, java.math.RoundingMode roundingMode)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RoundingHelper

private RoundingHelper()

Method Detail

roundToMultiple

public static Apfloat roundToMultiple(Apfloat x,
                                      Apfloat y,
                                      java.math.RoundingMode roundingMode)
                               throws java.lang.IllegalArgumentException,
                                      java.lang.ArithmeticException,
                                      ApfloatRuntimeException

Throws:

java.lang.IllegalArgumentException

java.lang.ArithmeticException

ApfloatRuntimeException

roundToMultiple

public static Aprational roundToMultiple(Aprational x,
                                         Aprational y,
                                         java.math.RoundingMode roundingMode)
                                  throws java.lang.IllegalArgumentException,
                                         java.lang.ArithmeticException,
                                         ApfloatRuntimeException

Throws:

java.lang.IllegalArgumentException

java.lang.ArithmeticException

ApfloatRuntimeException

roundToPlaces

public static Apfloat roundToPlaces(Apfloat x,
                                    long places,
                                    java.math.RoundingMode roundingMode)
                             throws java.lang.IllegalArgumentException,
                                    java.lang.ArithmeticException,
                                    ApfloatRuntimeException

Throws:

java.lang.IllegalArgumentException

java.lang.ArithmeticException

ApfloatRuntimeException

roundToPrecision

public static Apfloat roundToPrecision(Apfloat x,
                                       long precision,
                                       java.math.RoundingMode roundingMode)
                                throws java.lang.IllegalArgumentException,
                                       java.lang.ArithmeticException,
                                       ApfloatRuntimeException

Throws:

java.lang.IllegalArgumentException

java.lang.ArithmeticException

ApfloatRuntimeException

roundToInteger

public static Apint roundToInteger(Apfloat x,
                                   java.math.RoundingMode roundingMode)
                            throws java.lang.IllegalArgumentException,
                                   java.lang.ArithmeticException,
                                   ApfloatRuntimeException

Throws:

java.lang.IllegalArgumentException

java.lang.ArithmeticException

ApfloatRuntimeException

compareToHalf

public static int compareToHalf(Apfloat x)

compareToHalf

public static int compareToHalf(Aprational x)

isEven

private static boolean isEven(Apint x)