edu.rit.pj.reduction

Class DoubleOp

java.lang.Object

edu.rit.pj.reduction.Op

edu.rit.pj.reduction.DoubleOp

public abstract class DoubleOp
extends Op

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

Field Summary

Fields

Modifier and Type	Field and Description
static DoubleOp	MAXIMUM The double maximum binary operation.
static DoubleOp	MINIMUM The double minimum binary operation.
static DoubleOp	PRODUCT The double product binary operation.
static DoubleOp	SUM The double sum binary operation.

Method Summary

Modifier and Type	Method and Description
abstract double	op(double x, double 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 DoubleOp SUM

The double sum binary operation.

PRODUCT

public static final DoubleOp PRODUCT

The double product binary operation.

MINIMUM

public static final DoubleOp MINIMUM

The double minimum binary operation.

MAXIMUM

public static final DoubleOp MAXIMUM

The double maximum binary operation.

Method Detail

op

public abstract double op(double x,
                          double y)

Perform this binary operation.

Parameters:

x - First argument.

y - Second argument.

Returns:

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