Module tornado.matrices

Package uk.ac.manchester.tornado.matrix

Class MatrixMath

java.lang.Object

uk.ac.manchester.tornado.matrix.MatrixMath

public final class MatrixMath
extends Object

Method Summary

Modifier and Type	Method	Description
static void	dgemm(Matrix2DDouble a, Matrix2DDouble b, Matrix2DDouble c)
static float	dot(FloatArray a, FloatArray b)
static FloatArray	mult(FloatArray a, FloatArray b)
static void	multiply(FloatArray y, Matrix2DFloat m, FloatArray x)
static void	multiply(VectorFloat y, Matrix2DFloat m, VectorFloat x)	Matrix-vector multiplication.
static void	sgemm(boolean transA, boolean transB, float alpha, Matrix2DFloat a, Matrix2DFloat b, float beta, Matrix2DFloat c)	SGEMM - performs matrix-matrix multiplication C = alpha*op(A)*op(B) + beta*C.
static void	sgemm(Matrix2DFloat a, Matrix2DFloat b, Matrix2DFloat c)	SGEMM - performs matrix-matrix multiplication C = A * B.
static void	sgemm(Matrix4x4Float a, Matrix4x4Float b, Matrix4x4Float c)
static void	tred2(double[][] v, double[] d, double[] e, int n)

Methods inherited from class java.lang.Object

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

Method Details

sgemm

public static void sgemm(boolean transA,
 boolean transB,
 float alpha,
 Matrix2DFloat a,
 Matrix2DFloat b,
 float beta,
 Matrix2DFloat c)

SGEMM - performs matrix-matrix multiplication C = alpha*op(A)*op(B) + beta*C.

Parameters:

transA -

transB -

alpha -

a -

b -

beta -

c -

sgemm

public static void sgemm(Matrix2DFloat a,
 Matrix2DFloat b,
 Matrix2DFloat c)

SGEMM - performs matrix-matrix multiplication C = A * B.

Parameters:

a -

b -

c -

sgemm

public static void sgemm(Matrix4x4Float a,
 Matrix4x4Float b,
 Matrix4x4Float c)

dgemm

public static void dgemm(Matrix2DDouble a,
 Matrix2DDouble b,
 Matrix2DDouble c)

tred2

public static void tred2(double[][] v,
 double[] d,
 double[] e,
 int n)

multiply

public static void multiply(VectorFloat y,
 Matrix2DFloat m,
 VectorFloat x)

Matrix-vector multiplication.

Parameters:

y - result

m - matrix

x - vector

mult

public static FloatArray mult(FloatArray a,
 FloatArray b)

dot

public static float dot(FloatArray a,
 FloatArray b)

multiply

public static void multiply(FloatArray y,
 Matrix2DFloat m,
 FloatArray x)