com.oracle.truffle.api

Class ExactMath

java.lang.Object

com.oracle.truffle.api.ExactMath

public final class ExactMath
extends Object

This class contains methods that will be part of java.lang.Math starting with JDK 8. Until JDK 8 is release, we duplicate them here because they are generally useful for dynamic language implementations.

Since:

0.8 or earlier

Method Summary

Modifier and Type	Method and Description
static int	multiplyHigh(int x, int y)
static long	multiplyHigh(long x, long y)
static int	multiplyHighUnsigned(int x, int y)
static long	multiplyHighUnsigned(long x, long y)

Methods inherited from class java.lang.Object

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

Method Detail

multiplyHigh

public static int multiplyHigh(int x,
                               int y)

Since:

0.8 or earlier

multiplyHighUnsigned

public static int multiplyHighUnsigned(int x,
                                       int y)

Since:

0.8 or earlier

multiplyHigh

public static long multiplyHigh(long x,
                                long y)

Since:

0.8 or earlier

multiplyHighUnsigned

public static long multiplyHighUnsigned(long x,
                                        long y)

Since:

0.8 or earlier