edu.rit.pj.reduction

Class LongOp

java.lang.Object

edu.rit.pj.reduction.Op

edu.rit.pj.reduction.LongOp

public abstract class LongOp
extends Op

Class LongOp is the abstract base class for a binary operation on long values, used to do reduction in a parallel program.

Field Summary

Fields

Modifier and Type	Field and Description
static LongOp	AND The long bitwise "and" binary operation.
static LongOp	MAXIMUM The long maximum binary operation.
static LongOp	MINIMUM The long minimum binary operation.
static LongOp	OR The long bitwise "or" binary operation.
static LongOp	PRODUCT The long product binary operation.
static LongOp	SUM The long sum binary operation.
static LongOp	XOR The long bitwise "exclusive or" binary operation.

Method Summary

Modifier and Type	Method and Description
abstract long	op(long x, long y) Perform this binary operation.

Methods inherited from class java.lang.Object

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

Field Detail

SUM

public static final LongOp SUM

The long sum binary operation.

PRODUCT

public static final LongOp PRODUCT

The long product binary operation.

MINIMUM

public static final LongOp MINIMUM

The long minimum binary operation.

MAXIMUM

public static final LongOp MAXIMUM

The long maximum binary operation.

AND

public static final LongOp AND

The long bitwise "and" binary operation.

OR

public static final LongOp OR

The long bitwise "or" binary operation.

XOR

public static final LongOp XOR

The long bitwise "exclusive or" binary operation.

Method Detail

op

public abstract long op(long x,
                        long y)

Perform this binary operation.

Parameters:

x - First argument.

y - Second argument.

Returns:

(x op y), where op stands for this binary operation.