org.apache.spark.ml.ann

Class BreezeUtil

java.lang.Object

org.apache.spark.ml.ann.BreezeUtil

public class BreezeUtil
extends java.lang.Object

In-place DGEMM and DGEMV for Breeze

Constructor Summary

Constructors

Constructor and Description
BreezeUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static void	dgemm(double alpha, breeze.linalg.DenseMatrix<java.lang.Object> a, breeze.linalg.DenseMatrix<java.lang.Object> b, double beta, breeze.linalg.DenseMatrix<java.lang.Object> c) DGEMM: C := alpha * A * B + beta * C
static void	dgemv(double alpha, breeze.linalg.DenseMatrix<java.lang.Object> a, breeze.linalg.DenseVector<java.lang.Object> x, double beta, breeze.linalg.DenseVector<java.lang.Object> y) DGEMV: y := alpha * A * x + beta * y

Methods inherited from class java.lang.Object

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

Constructor Detail

BreezeUtil

public BreezeUtil()

Method Detail

dgemm

public static void dgemm(double alpha,
         breeze.linalg.DenseMatrix<java.lang.Object> a,
         breeze.linalg.DenseMatrix<java.lang.Object> b,
         double beta,
         breeze.linalg.DenseMatrix<java.lang.Object> c)

DGEMM: C := alpha * A * B + beta * C

Parameters:

alpha - alpha

a - A

b - B

beta - beta

c - C

dgemv

public static void dgemv(double alpha,
         breeze.linalg.DenseMatrix<java.lang.Object> a,
         breeze.linalg.DenseVector<java.lang.Object> x,
         double beta,
         breeze.linalg.DenseVector<java.lang.Object> y)

DGEMV: y := alpha * A * x + beta * y

Parameters:

alpha - alpha

a - A

x - x

beta - beta

y - y