com.numericalmethod.suanshu.number.doublearray

Interface DoubleArrayOperation

All Superinterfaces:

java.io.Serializable

All Known Implementing Classes:

CompositeDoubleArrayOperation, ParallelDoubleArrayOperation, SimpleDoubleArrayOperation

public interface DoubleArrayOperation
extends java.io.Serializable

It is possible to provide different implementations for different platforms, hardware, etc. For example, there are single vs. multiple threads, single vs. multiple cores, single vs. multiple machines, GPU or not, etc.

Method Summary

Modifier and Type	Method and Description
double[]	add(double[] arr1, double[] arr2) Add two double arrays.
double[]	minus(double[] arr1, double[] arr2) Subtract one double array from another.
double[]	scaled(double[] arr, double c) Scale a double array.

Method Detail

add

double[] add(double[] arr1,
             double[] arr2)

Add two double arrays.

Parameters:

arr1 - an array double[]

arr2 - an array double[]

Returns:

the sum of the two arrays

minus

double[] minus(double[] arr1,
               double[] arr2)

Subtract one double array from another.

Parameters:

arr1 - an array double[]

arr2 - an array double[]

Returns:

the difference of the two arrays

scaled

double[] scaled(double[] arr,
                double c)

Scale a double array.

Parameters:

arr - an array double[]

c - a scaling constant

Returns:

the scaled array