Class RealFieldDenseOps

java.lang.Object

org.flag4j.linalg.ops.dense.real_field_ops.RealFieldDenseOps

public final class RealFieldDenseOps
extends Object

This class provides low level methods for computing ops with at least one real tensor and at least one field tensor.

Method Summary

Modifier and Type	Method	Description
static <T extends Field<T>> void	add(double[] src, T a, T[] dest)	Adds a scalar value to all data of a tensor.
static <T extends Field<T>> void	add(Shape shape1, T[] src1, Shape shape2, double[] src2, T[] dest)	Computes the element-wise addition of two tensors.
static <T extends Field<T>> void	add(T[] src, double a, T[] dest)	Adds a scalar value to all data of a tensor.
static <T extends Field<T>> void	elemDiv(Shape shape1, double[] src1, Shape shape2, T[] src2, T[] dest)	Computes the element-wise division between two dense tensors.
static <T extends Field<T>> void	elemDiv(Shape shape1, T[] src1, Shape shape2, double[] src2, T[] dest)	Computes the element-wise division between two dense tensors.
static <T extends Field<T>> void	elemMult(Shape shape1, T[] src1, Shape shape2, double[] src2, T[] dest)	Computes the element-wise multiplication between two dense tensors.
static <T extends Field<T>> void	scalDiv(double[] src, T divisor, T[] dest)	Computes the scalar multiplication of a tensor.
static <T extends Field<T>> void	scalDiv(T[] src, double divisor, T[] dest)	Computes the scalar division of a tensor.
static <T extends Field<T>> void	sub(double[] src, T a, T[] dest)	Subtracts a scalar value from all data of a tensor.
static <T extends Field<T>> void	sub(Shape shape1, double[] src1, Shape shape2, T[] src2, T[] dest)	Computes the element-wise subtraction of two tensors.
static <T extends Field<T>> void	sub(Shape shape1, T[] src1, Shape shape2, double[] src2, T[] dest)	Computes the element-wise subtraction of two tensors.
static <T extends Field<T>> void	sub(T[] src, double a, T[] dest)	Subtracts a scalar value from all data of a tensor.

Methods inherited from class java.lang.Object

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

Method Details

add

public static <T extends Field<T>> void add(Shape shape1,
 T[] src1,
 Shape shape2,
 double[] src2,
 T[] dest)

Computes the element-wise addition of two tensors.

Parameters:

shape1 - Shape of first tensor.

src1 - Entries of first tensor.

shape2 - Shape of second tensor.

src2 - Entries of second tensor.

Array - to store the result of the element-wise sum in. Must be at least as long as src1. May be the same array as src1.

Throws:

TensorShapeException - If !shape1.equals(shape2).

sub

public static <T extends Field<T>> void sub(Shape shape1,
 T[] src1,
 Shape shape2,
 double[] src2,
 T[] dest)

Computes the element-wise subtraction of two tensors.

Parameters:

shape1 - Shape of first tensor.

src1 - Entries of first tensor.

shape2 - Shape of second tensor.

src2 - Entries of second tensor.

dest - Array to store the resulting element-wise difference in. Must be at lease as large as src1. May be the same array as src1.

Throws:

TensorShapeException - If !shape1.equals(shape2).

ArrayIndexOutOfBoundsException - If src1.length != src2.length

sub

public static <T extends Field<T>> void sub(Shape shape1,
 double[] src1,
 Shape shape2,
 T[] src2,
 T[] dest)

Computes the element-wise subtraction of two tensors.

Parameters:

shape1 - Shape of first tensor.

src1 - Entries of first tensor.

shape2 - Shape of second tensor.

src2 - Entries of second tensor.

dest - Array to store the resulting element-wise difference in. Must be at lease as large as src1. May be the same array as src1.

Throws:

TensorShapeException - If !shape1.equals(shape2).

scalDiv

public static <T extends Field<T>> void scalDiv(double[] src,
 T divisor,
 T[] dest)

Computes the scalar multiplication of a tensor.

Parameters:

src - Entries of the tensor.

divisor - Scalar value to multiply.

dest - Array to store the result of the scalar division in. Must be at least as large as src. May be the same array as dest.

add

public static <T extends Field<T>> void add(T[] src,
 double a,
 T[] dest)

Adds a scalar value to all data of a tensor.

Parameters:

src - Entries of first tensor.

a - Scalar to add to all data of this tensor.

dest - Array to store the result of adding the scalar a to src. Must be at least as large as src. May be the same array as dest.

add

public static <T extends Field<T>> void add(double[] src,
 T a,
 T[] dest)

Adds a scalar value to all data of a tensor.

Parameters:

src - Entries of first tensor.

a - Scalar to add to all data of this tensor.

dest - Array to store the result of adding the scalar a to src. Must be at least as large as src. May be the same array as dest.

sub

public static <T extends Field<T>> void sub(T[] src,
 double a,
 T[] dest)

Subtracts a scalar value from all data of a tensor.

Parameters:

src - Entries of first tensor.

a - Scalar to add to all data of this tensor.

dest - Array to store the result of subtracting the scalar a from src. Must be at least as large as src. May be the same array as dest.

sub

public static <T extends Field<T>> void sub(double[] src,
 T a,
 T[] dest)

Subtracts a scalar value from all data of a tensor.

Parameters:

src - Entries of first tensor.

a - Scalar to add to all data of this tensor.

dest - Array to store the result of subtracting the scalar a from all data of src. Must be at least as large as src. May be the same array as src.

scalDiv

public static <T extends Field<T>> void scalDiv(T[] src,
 double divisor,
 T[] dest)

Computes the scalar division of a tensor.

Parameters:

src - Entries of the tensor.

divisor - Scalar value to divide tensor by.

dest - Array to store the result of the scalar division in. Must be at least as large as src. May be the same array as src.

elemMult

public static <T extends Field<T>> void elemMult(Shape shape1,
 T[] src1,
 Shape shape2,
 double[] src2,
 T[] dest)

Computes the element-wise multiplication between two dense tensors.

Parameters:

shape1 - Shape of the first tensor in the element-wise product.

src1 - Entries of the first tensor in the element-wise product.

shape2 - Shape of the second tensor in the element-wise product.

src2 - Entries of the second tensor in the element-wise product.

dest - Array to store the result of the element-wise product in. Must be at least as large as src1. May be the same arrays as src1.

Throws:

TensorShapeException - If !shape1.equals(shape1).

elemDiv

public static <T extends Field<T>> void elemDiv(Shape shape1,
 T[] src1,
 Shape shape2,
 double[] src2,
 T[] dest)

Computes the element-wise division between two dense tensors.

Parameters:

shape1 - Shape of the first tensor in the element-wise quotient.

src1 - Entries of the first tensor in the element-wise quotient.

shape2 - Shape of the second tensor in the element-wise quotient.

src2 - Entries of the second tensor in the element-wise quotient.

dest - Array to store the result of the element-wise quotient in.

Throws:

TensorShapeException - If !shape1.equals(shape1).

elemDiv

public static <T extends Field<T>> void elemDiv(Shape shape1,
 double[] src1,
 Shape shape2,
 T[] src2,
 T[] dest)

Computes the element-wise division between two dense tensors.

Parameters:

shape1 - Shape of the first tensor in the element-wise quotient.

src1 - Entries of the first tensor in the element-wise quotient.

shape2 - Shape of the second tensor in the element-wise quotient.

src2 - Entries of the second tensor in the element-wise quotient.

dest - Array to store the result of the element-wise quotient in.

Throws:

TensorShapeException - If !shape1.equals(shape1).