Package org.flag4j.operations.dense_sparse.coo.real

Class RealDenseSparseTensorOperations

java.lang.Object

org.flag4j.operations.dense_sparse.coo.real.RealDenseSparseTensorOperations

public class RealDenseSparseTensorOperations
extends Object

This class contains methods to apply common binary operations to a real dense matrix and to a real sparse matrix.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	RealDenseSparseTensorOperations()

Method Summary

Modifier and Type	Method	Description
static Tensor	add(Tensor src1, CooTensor src2)	Adds a real dense tensor to a real sparse tensor.
static Tensor	add(CooTensor src1, double b)	Adds a scalar to a real sparse COO tensor.
static void	addEq(Tensor src1, CooTensor src2)	Adds a real dense tensor to a real sparse tensor and stores the result in the first tensor.
static CooTensor	elemMult(Tensor src1, CooTensor src2)	Computes the element-wise multiplication between a real dense tensor and a real sparse tensor.
static Tensor	sub(Tensor src1, CooTensor src2)	Subtracts a real sparse tensor from a real dense tensor.
static Tensor	sub(CooTensor src1, Tensor src2)	Subtracts a real dense tensor from a real sparse tensor.
static void	subEq(Tensor src1, CooTensor src2)	Subtracts a real sparse tensor from a real dense tensor and stores the result in the dense tensor.

Methods inherited from class java.lang.Object

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

Constructor Details

RealDenseSparseTensorOperations

private RealDenseSparseTensorOperations()

Method Details

add

public static Tensor add(Tensor src1,
 CooTensor src2)

Adds a real dense tensor to a real sparse tensor.

Parameters:

src1 - First tensor in sum.

src2 - Second tensor in sum.

Returns:

The result of the tensor addition.

Throws:

IllegalArgumentException - If the tensors do not have the same shape.

elemMult

public static CooTensor elemMult(Tensor src1,
 CooTensor src2)

Computes the element-wise multiplication between a real dense tensor and a real sparse tensor.

Parameters:

src1 - Real dense tensor.

src2 - Real sparse tensor.

Returns:

The result ofm element-wise multiplication.

Throws:

IllegalArgumentException - If the tensors do not have the same shape.

sub

public static Tensor sub(Tensor src1,
 CooTensor src2)

Subtracts a real sparse tensor from a real dense tensor.

Parameters:

src1 - First tensor in the sum.

src2 - Second tensor in the sum.

Returns:

The result of the tensor addition.

Throws:

IllegalArgumentException - If the tensors do not have the same shape.t

sub

public static Tensor sub(CooTensor src1,
 Tensor src2)

Subtracts a real dense tensor from a real sparse tensor.

Parameters:

src1 - First tensor in the sum.

src2 - Second tensor in the sum.

Returns:

The result of the tensor addition.

Throws:

IllegalArgumentException - If the tensors do not have the same shape.t

addEq

public static void addEq(Tensor src1,
 CooTensor src2)

Adds a real dense tensor to a real sparse tensor and stores the result in the first tensor.

Parameters:

src1 - First tensor in sum. Also, storage of result.

src2 - Second tensor in sum.

Throws:

IllegalArgumentException - If the tensors do not have the same shape.

subEq

public static void subEq(Tensor src1,
 CooTensor src2)

Subtracts a real sparse tensor from a real dense tensor and stores the result in the dense tensor.

Parameters:

src1 - First tensor in difference. Also, storage of result.

src2 - Second tensor in difference.

Throws:

IllegalArgumentException - If the tensors do not have the same shape.

add

public static Tensor add(CooTensor src1,
 double b)

Adds a scalar to a real sparse COO tensor.

Parameters:

src1 - Sparse tensor in sum.

b - Scalar in sum.

Returns:

A dense tensor which is the sum of src1 and b such that b is added to each element of src1.