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/*******************************************************************************
* Copyright (c) 2015-2018 Skymind, Inc.
*
* This program and the accompanying materials are made available under the
* terms of the Apache License, Version 2.0 which is available at
* https://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
* SPDX-License-Identifier: Apache-2.0
******************************************************************************/
package org.nd4j.linalg.factory;
import org.bytedeco.javacpp.Pointer;
import org.nd4j.linalg.api.blas.*;
import org.nd4j.linalg.api.buffer.DataBuffer;
import org.nd4j.linalg.api.buffer.DataType;
import org.nd4j.linalg.api.buffer.DataTypeEx;
import org.nd4j.linalg.api.memory.MemoryWorkspace;
import org.nd4j.linalg.api.ndarray.INDArray;
import org.nd4j.linalg.api.rng.distribution.Distribution;
import java.io.File;
import java.util.*;
/**
* Creation of ndarrays via classpath discovery.
*
* @author Adam Gibson
*/
public interface NDArrayFactory {
char FORTRAN = 'f';
char C = 'c';
/**
* Return extra blas operations
* @return
*/
Blas blas();
Lapack lapack();
/**
* Return the level 1 blas operations
* @return
*/
Level1 level1();
/**
* Return the level 2 blas operations
* @return
*/
Level2 level2();
/**
* Return the level 3 blas operations
* @return
*/
Level3 level3();
/**
* Create blas
*/
void createBlas();
/**
* Create level 1
*/
void createLevel1();
/**
* Create level 2
*/
void createLevel2();
/**
* Create level 3
*/
void createLevel3();
/**
* Create lapack
*/
void createLapack();
/**
* Sets the order. Primarily for testing purposes
*
* @param order
*/
void setOrder(char order);
/**
* Sets the data opType
*
* @param dtype
*/
void setDType(DataType dtype);
/**
* Create an ndarray with the given shape
* and data
* @param shape the shape to use
* @param buffer the buffer to use
* @return the ndarray
*/
INDArray create(int[] shape, DataBuffer buffer);
/**
* Returns the order for this ndarray for internal data storage
*
* @return the order (c or f)
*/
char order();
/**
* Returns the data opType for this ndarray
*
* @return the data opType for this ndarray
*/
DataType dtype();
/**
* /**
* Returns a flattened ndarray with all of the elements in each ndarray
* regardless of dimension
*
* @param matrices the ndarrays to use
* @return a flattened ndarray of the elements in the order of titerating over the ndarray and the linear view of
* each
*/
INDArray toFlattened(Collection matrices);
/**
* Returns a flattened ndarray with all of the elements in each ndarray
* regardless of dimension
*
* @param matrices the ndarrays to use
* @return a flattened ndarray of the elements in the order of titerating over the ndarray and the linear view of
* each
*/
INDArray toFlattened(int length, Iterator... matrices);
/**
* Returns a flattened ndarray with all elements in each ndarray
* regardless of dimension.
* Order is specified to ensure flattening order is consistent across
* @param matrices the ndarrays to flatten
* @param order the order in which the ndarray values should be flattened
* @return
*/
INDArray toFlattened(char order, Collection matrices);
/**
* Returns a column vector where each entry is the nth bilinear
* product of the nth slices of the two tensors.
*/
INDArray bilinearProducts(INDArray curr, INDArray in);
/**
* Flatten all of the ndarrays in to one long vector
*
* @param matrices the matrices to flatten
* @return the flattened vector
*/
INDArray toFlattened(INDArray... matrices);
/**
* Flatten all of the ndarrays in to one long vector
*
* @param matrices the matrices to flatten
* @return the flattened vector
*/
INDArray toFlattened(char order, INDArray... matrices);
/**
* Create the identity ndarray
*
* @param n the number for the identity
* @return
*/
INDArray eye(long n);
/**
* Rotate a matrix 90 degrees
*
* @param toRotate the matrix to rotate
* @return the rotated matrix
*/
void rot90(INDArray toRotate);
/**
* Reverses the passed in matrix such that m[0] becomes m[m.length - 1] etc
*
* @param reverse the matrix to reverse
* @return the reversed matrix
*/
INDArray rot(INDArray reverse);
/**
* Reverses the passed in matrix such that m[0] becomes m[m.length - 1] etc
*
* @param reverse the matrix to reverse
* @return the reversed matrix
*/
INDArray reverse(INDArray reverse);
/**
* Array of evenly spaced values.
* Returns a row vector
*
* @param begin the begin of the range
* @param end the end of the range
* @return the range vector
*/
INDArray arange(double begin, double end, double step);
/**
* Copy a to b
*
* @param a the origin matrix
* @param b the destination matrix
*/
void copy(INDArray a, INDArray b);
/**
* Generates a random matrix between min and max
*
* @param shape the number of rows of the matrix
* @param min the minimum number
* @param max the maximum number
* @param rng the rng to use
* @return a drandom matrix of the specified shape and range
*/
INDArray rand(int[] shape, float min, float max, org.nd4j.linalg.api.rng.Random rng);
INDArray rand(long[] shape, float min, float max, org.nd4j.linalg.api.rng.Random rng);
/**
* Generates a random matrix between min and max
*
* @param rows the number of rows of the matrix
* @param columns the number of columns in the matrix
* @param min the minimum number
* @param max the maximum number
* @param rng the rng to use
* @return a drandom matrix of the specified shape and range
*/
INDArray rand(long rows, long columns, float min, float max, org.nd4j.linalg.api.rng.Random rng);
INDArray appendBias(INDArray... vectors);
/**
* Create an ndarray with the given data layout
*
* @param data the data to create the ndarray with
* @return the ndarray with the given data layout
*/
INDArray create(double[][] data);
/**
* Create a matrix from the given
* data and ordering
* @param data
* @param ordering
* @return
*/
INDArray create(double[][] data, char ordering);
/**
* Concatneate ndarrays along a dimension
*
* @param dimension the dimension to concatneate along
* @param toConcat the ndarrays to concateneate
* @return the concatneated ndarrays
*/
INDArray concat(int dimension, INDArray... toConcat);
/**
* Concatenate ndarrays along a dimension
*
* PLEASE NOTE: This method is special for GPU backend, it works on HOST side only.
*
* @param dimension the dimension to concatneate along
* @param toConcat the ndarrays to concateneate
* @return the concatneated ndarrays
*/
INDArray specialConcat(int dimension, INDArray... toConcat);
/**
* This method produces concatenated array, that consist from tensors, fetched from source array, against some dimension and specified indexes
*
* @param source source tensor
* @param sourceDimension dimension of source tensor
* @param indexes indexes from source array
* @return
*/
INDArray pullRows(INDArray source, int sourceDimension, int[] indexes);
INDArray pullRows(INDArray source, int sourceDimension, long[] indexes);
/**
* This method produces concatenated array, that consist from tensors,
* fetched from source array, against some dimension and specified indexes
*
* @param source source tensor
* @param sourceDimension dimension of source tensor
* @param indexes indexes from source array
* @param order order for result array
* @return
*/
INDArray pullRows(INDArray source, int sourceDimension, int[] indexes, char order);
/**
* * This method produces concatenated array, that consist from tensors,
* fetched from source array, against some dimension and specified indexes
* in to the destination array
* @param source
* @param destination
* @param sourceDimension
* @param indexes
* @return
*/
INDArray pullRows(INDArray source, INDArray destination, int sourceDimension, int[] indexes);
/**
* In place shuffle of an ndarray
* along a specified set of dimensions
*
* @param array the ndarray to shuffle
* @param dimension the dimension to do the shuffle
* @return
*/
void shuffle(INDArray array, Random rnd, int... dimension);
/**
* Symmetric in place shuffle of an ndarray
* along a specified set of dimensions. All arrays should have equal shapes.
*
* @param array the ndarray to shuffle
* @param dimension the dimension to do the shuffle
* @return
*/
void shuffle(Collection array, Random rnd, int... dimension);
/**
* Symmetric in place shuffle of an ndarray
* along a specified set of dimensions. Each array in list should have it's own dimension at the same index of dimensions array
*
* @param array the ndarray to shuffle
* @param dimensions the dimensions to do the shuffle
* @return
*/
void shuffle(List array, Random rnd, List dimensions);
/**
* This method averages input arrays, and returns averaged array
*
* @param arrays
* @return
*/
INDArray average(INDArray target, INDArray[] arrays);
/**
* This method averages input arrays, and returns averaged array
*
* @param arrays
* @return
*/
INDArray average(INDArray[] arrays);
/**
* This method averages input arrays, and returns averaged array
*
* @param arrays
* @return
*/
INDArray average(Collection arrays);
/**
* This method sums given arrays to target
*
* @param target
* @param arrays
* @return
*/
INDArray accumulate(INDArray target, INDArray... arrays);
/**
* This method averages input arrays, and returns averaged array
*
* @param arrays
* @return
*/
INDArray average(INDArray target, Collection arrays);
/**
* Create a random ndarray with the given shape using the given rng
*
* @param rows the number of rows in the matrix
* @param columns the number of columns in the matrix
* @param r the random generator to use
* @return the random ndarray with the specified shape
*/
INDArray rand(long rows, long columns, org.nd4j.linalg.api.rng.Random r);
/**
* Create a random ndarray with the given shape using the given rng
*
* @param rows the number of rows in the matrix
* @param columns the columns of the ndarray
* @param seed the seed to use
* @return the random ndarray with the specified shape
*/
INDArray rand(long rows, long columns, long seed);
/**
* Create a random ndarray with the given shape using
* the current time as the seed
*
* @param rows the number of rows in the matrix
* @param columns the number of columns in the matrix
* @return the random ndarray with the specified shape
*/
INDArray rand(long rows, long columns);
/**
* Create a random (uniform 0-1) NDArray with the specified shape and order
* @param order Order ('c' or 'f') of the output array
* @param rows Number of rows of the output array
* @param columns Number of columns of the output array
*/
INDArray rand(char order, long rows, long columns);
/**
* Random normal using the given rng
*
* @param rows the number of rows in the matrix
* @param columns the number of columns in the matrix
* @param r the random generator to use
* @return
*/
INDArray randn(long rows, long columns, org.nd4j.linalg.api.rng.Random r);
/**
* Random normal (N(0,1)) using the current time stamp
* as the seed
*
* @param rows the number of rows in the matrix
* @param columns the number of columns in the matrix
* @return
*/
INDArray randn(long rows, long columns);
/**
* Random normal N(0,1), with specified output order
*
* @param rows the number of rows in the matrix
* @param columns the number of columns in the matrix
*/
INDArray randn(char order, long rows, long columns);
/**
* Random normal using the specified seed
*
* @param rows the number of rows in the matrix
* @param columns the number of columns in the matrix
* @return
*/
INDArray randn(long rows, long columns, long seed);
/**
* Create a random ndarray with the given shape using the given rng
*
* @param shape the shape of the ndarray
* @param r the random generator to use
* @return the random ndarray with the specified shape
*/
INDArray rand(int[] shape, Distribution r);
/**
* Create a random ndarray with the given shape using the given rng
*
* @param shape the shape of the ndarray
* @param r the random generator to use
* @return the random ndarray with the specified shape
*/
INDArray rand(int[] shape, org.nd4j.linalg.api.rng.Random r);
INDArray rand(long[] shape, org.nd4j.linalg.api.rng.Random r);
/**
* Create a random ndarray with the given shape using the given rng
*
* @param shape the shape of the ndarray
* @param seed the seed to use
* @return the random ndarray with the specified shape
*/
INDArray rand(int[] shape, long seed);
INDArray rand(long[] shape, long seed);
/**
* Create a random ndarray with the given shape using
* the current time as the seed
*
* @param shape the shape of the ndarray
* @return the random ndarray with the specified shape
*/
INDArray rand(int[] shape);
/**
* Create a random ndarray with the given shape using
* the current time as the seed
*
* @param shape the shape of the ndarray
* @return the random ndarray with the specified shape
*/
INDArray rand(long[] shape);
/**
* Create a random ndarray with the given shape, and specified output order
*
* @param shape the shape of the ndarray
* @return the random ndarray with the specified shape
*/
INDArray rand(char order, int[] shape);
/**
* Create a random ndarray with the given shape
* and specified output order
* @param order the order of the array
* @param shape the shape of the array
* @return the created ndarray
*/
INDArray rand(char order, long[] shape);
/**
* Random normal using the given rng
*
* @param shape the shape of the ndarray
* @param r the random generator to use
*/
INDArray randn(int[] shape, org.nd4j.linalg.api.rng.Random r);
INDArray randn(long[] shape, org.nd4j.linalg.api.rng.Random r);
/**
* Random normal N(0,1) using the current time stamp
* as the seed
*
* @param shape the shape of the ndarray
*/
INDArray randn(int[] shape);
/**
* Random normal N(0,1) using the current time stamp
* as the seed
*
* @param shape the shape of the ndarray
*/
INDArray randn(long[] shape);
/**
* Random normal N(0,1) with the specified shape and order
*
* @param order the order ('c' or 'f') of the output array
* @param shape the shape of the ndarray
*/
INDArray randn(char order, int[] shape);
/**
* Random normal N(0,1) with the specified shape and order
*
* @param order the order ('c' or 'f') of the output array
* @param shape the shape of the ndarray
*/
INDArray randn(char order, long[] shape);
/**
* Random normal using the specified seed
*
* @param shape the shape of the ndarray
* @return
*/
INDArray randn(int[] shape, long seed);
/**
* Random normal using the specified seed
*
* @param shape the shape of the ndarray
* @return
*/
INDArray randn(long[] shape, long seed);
/**
* Creates a row vector with the data
*
* @param data the columns of the ndarray
* @return the created ndarray
*/
INDArray create(double[] data);
/**
* Creates a row vector with the data
*
* @param data the columns of the ndarray
* @return the created ndarray
*/
INDArray create(float[] data);
/**
* Creates a row vector with the data
*
* @param data the columns of the ndarray
* @return the created ndarray
*/
INDArray create(DataBuffer data);
/**
* Creates a row vector with the specified number of columns
*
* @param columns the columns of the ndarray
* @return the created ndarray
*/
INDArray create(long columns);
/**
* Creates a row vector with the specified number of columns
*
* @param rows the rows of the ndarray
* @param columns the columns of the ndarray
* @return the created ndarray
*/
INDArray zeros(long rows, long columns);
/**
* Creates a row vector with the specified number of columns
*
* @param columns the columns of the ndarray
* @return the created ndarray
*/
INDArray zeros(long columns);
/**
* Creates an ndarray with the specified value
* as the only value in the ndarray
*
* @param shape the shape of the ndarray
* @param value the value to assign
* @return the created ndarray
*/
INDArray valueArrayOf(int[] shape, double value);
INDArray valueArrayOf(long[] shape, double value);
/**
* Creates a row vector with the specified number of columns
*
* @param rows the number of rows in the matrix
* @param columns the columns of the ndarray
* @param value the value to assign
* @return the created ndarray
*/
INDArray valueArrayOf(long rows, long columns, double value);
/**
* Creates a row vector with the specified number of columns
*
* @param rows the number of rows in the matrix
* @param columns the columns of the ndarray
* @return the created ndarray
*/
INDArray ones(long rows, long columns);
/**
* Creates a row vector with the specified number of columns
*
* @param columns the columns of the ndarray
* @return the created ndarray
*/
INDArray ones(long columns);
/**
* Concatenates two matrices horizontally. Matrices must have identical
* numbers of rows.
*
* @param arrs
*/
INDArray hstack(INDArray... arrs);
/**
* Concatenates two matrices vertically. Matrices must have identical
* numbers of columns.
*
* @param arrs
*/
INDArray vstack(INDArray... arrs);
/**
* Create an ndarray of zeros
*
* @param shape the shape of the ndarray
* @return an ndarray with ones filled in
*/
INDArray zeros(int[] shape);
INDArray zeros(long[] shape);
/**
* Create an ndarray of ones
*
* @param shape the shape of the ndarray
* @return an ndarray with ones filled in
*/
INDArray ones(int[] shape);
INDArray ones(long[] shape);
/**
* Creates an ndarray with the specified shape
*
* @param data the data to use with the ndarray
* @param rows the rows of the ndarray
* @param columns the columns of the ndarray
* @param stride the stride for the ndarray
* @param offset the offset of the ndarray
* @return the instance
*/
INDArray create(DataBuffer data, long rows, long columns, int[] stride, long offset);
/**
* @param data
* @param rows
* @param columns
* @param stride
* @param offset
* @return
*/
INDArray create(float[] data, long rows, long columns, int[] stride, long offset);
/**
* Creates an ndarray with the specified shape
*
* @param shape the shape of the ndarray
* @param stride the stride for the ndarray
* @param offset the offset of the ndarray
* @return the instance
*/
INDArray create(float[] data, int[] shape, int[] stride, long offset);
INDArray create(float[] data, long[] shape, long[] stride, long offset);
INDArray create(float[] data, long[] shape, long[] stride, char order, DataType dataType);
/**
* Create an ndrray with the specified shape
*
* @param data the data to use with tne ndarray
* @param shape the shape of the ndarray
* @return the created ndarray
*/
INDArray create(double[] data, int[] shape);
INDArray create(double[] data, long[] shape);
INDArray create(float[] data, long[] shape);
/**
* Create an ndrray with the specified shape
*
* @param data the data to use with tne ndarray
* @param shape the shape of the ndarray
* @return the created ndarray
*/
INDArray create(float[] data, int[] shape);
/**
* Creates an ndarray with the specified shape
*
* @param data the data to use with tne ndarray
* @param rows the rows of the ndarray
* @param columns the columns of the ndarray
* @param stride the stride for the ndarray
* @param offset the offset of the ndarray
* @return the instance
*/
INDArray create(double[] data, long rows, long columns, int[] stride, long offset);
/**
* Creates an ndarray with the specified shape
*
* @param shape the shape of the ndarray
* @param stride the stride for the ndarray
* @param offset the offset of the ndarray
* @return the instance
*/
INDArray create(double[] data, int[] shape, int[] stride, long offset);
INDArray create(double[] data, long[] shape, long[] stride, long offset);
INDArray create(double[] data, long[] shape, long[] stride, DataType dataType, MemoryWorkspace workspace);
INDArray create(float[] data, long[] shape, long[] stride, DataType dataType, MemoryWorkspace workspace);
INDArray create(long[] data, long[] shape, long[] stride, DataType dataType, MemoryWorkspace workspace);
INDArray create(int[] data, long[] shape, long[] stride, DataType dataType, MemoryWorkspace workspace);
INDArray create(short[] data, long[] shape, long[] stride, DataType dataType, MemoryWorkspace workspace);
INDArray create(byte[] data, long[] shape, long[] stride, DataType dataType, MemoryWorkspace workspace);
INDArray create(boolean[] data, long[] shape, long[] stride, DataType dataType, MemoryWorkspace workspace);
INDArray create(double[] data, long[] shape, long[] stride, char order, DataType dataType, MemoryWorkspace workspace);
INDArray create(float[] data, long[] shape, long[] stride, char order, DataType dataType, MemoryWorkspace workspace);
INDArray create(long[] data, long[] shape, long[] stride, char order, DataType dataType, MemoryWorkspace workspace);
INDArray create(int[] data, long[] shape, long[] stride, char order, DataType dataType, MemoryWorkspace workspace);
INDArray create(short[] data, long[] shape, long[] stride, char order, DataType dataType, MemoryWorkspace workspace);
INDArray create(byte[] data, long[] shape, long[] stride, char order, DataType dataType, MemoryWorkspace workspace);
INDArray create(boolean[] data, long[] shape, long[] stride, char order, DataType dataType, MemoryWorkspace workspace);
/**
* Create an ndrray with the specified shape
*
* @param data the data to use with tne ndarray
* @param shape the shape of the ndarray
* @return the created ndarray
*/
INDArray create(DataBuffer data, int[] shape);
INDArray create(DataBuffer data, long[] shape);
/**
* Creates an ndarray with the specified shape
*
* @param shape the shape of the ndarray
* @param stride the stride for the ndarray
* @param offset the offset of the ndarray
* @return the instance
*/
INDArray create(DataBuffer data, int[] shape, int[] stride, long offset);
INDArray create(DataBuffer data, long[] shape, long[] stride, long offset);
/**
* Creates an ndarray with the specified shape
*
* @param shape the shape of the ndarray
* @return the instance
*/
INDArray create(List list, int[] shape);
INDArray create(List list, long[] shape);
/**
* Creates an ndarray with the specified shape
*
* @param rows the rows of the ndarray
* @param columns the columns of the ndarray
* @param stride the stride for the ndarray
* @param offset the offset of the ndarray
* @return the instance
*/
INDArray create(long rows, long columns, int[] stride, long offset);
INDArray create(long rows, long columns, long[] stride, long offset);
/**
* Creates an ndarray with the specified shape
*
* @param shape the shape of the ndarray
* @param stride the stride for the ndarray
* @param offset the offset of the ndarray
* @return the instance
*/
INDArray create(int[] shape, int[] stride, long offset);
INDArray create(long[] shape, long[] stride, long offset);
/**
* Creates an ndarray with the specified shape
*
* @param rows the rows of the ndarray
* @param columns the columns of the ndarray
* @param stride the stride for the ndarray
* @return the instance
*/
INDArray create(long rows, long columns, int[] stride);
/**
* Creates an ndarray with the specified shape
*
* @param shape the shape of the ndarray
* @param stride the stride for the ndarray
* @return the instance
*/
INDArray create(int[] shape, int[] stride);
INDArray create(long[] shape, long[] stride);
INDArray create(long[] shape);
/**
* Creates an ndarray with the specified shape
*
* @param rows the rows of the ndarray
* @param columns the columns of the ndarray
* @return the instance
*/
INDArray create(long rows, long columns);
/**
* Creates an ndarray with the specified shape
*
* @param shape the shape of the ndarray
* @return the instance
*/
INDArray create(int[] shape);
/**
* Create a scalar nd array with the specified value and offset
*
* @param value the value of the scalar
* @param offset the offset of the ndarray
* @return the scalar nd array
*/
INDArray scalar(float value, long offset);
/**
* Create a scalar nd array with the specified value and offset
*
* @param value the value of the scalar
* @param offset the offset of the ndarray
* @return the scalar nd array
*/
INDArray scalar(double value, long offset);
INDArray scalar(int value, long offset);
/**
* Create a scalar ndarray with the specified offset
*
* @param value the value to initialize the scalar with
* @return the created ndarray
*/
INDArray scalar(Number value);
INDArray empty(DataType type);
/**
* Create a scalar nd array with the specified value and offset
*
* @param value the value of the scalar
* = * @return the scalar nd array
*/
INDArray scalar(float value);
/**
* Create a scalar nd array with the specified value and offset
*
* @param value the value of the scalar
* = * @return the scalar nd array
*/
INDArray scalar(double value);
/**
*
* @param data
* @param shape
* @param offset
* @return
*/
INDArray create(float[] data, int[] shape, long offset);
/**
*
* @param data
* @param shape
* @param ordering
* @return
*/
INDArray create(float[] data, int[] shape, char ordering);
/**
*
* @param floats
* @return
*/
INDArray create(float[][] floats);
INDArray create(float[][] data, char ordering);
/**
*
* @param data
* @param shape
* @param stride
* @param offset
* @param ordering
* @return
*/
INDArray create(float[] data, int[] shape, int[] stride, long offset, char ordering);
/**
*
* @param buffer
* @param shape
* @param offset
* @return
*/
INDArray create(DataBuffer buffer, int[] shape, long offset);
/**
*
* @param shape
* @param ordering
* @return
*/
INDArray create(int[] shape, char ordering);
INDArray create(long[] shape, char ordering);
INDArray create(DataType dataType, long[] shape, char ordering, MemoryWorkspace workspace);
INDArray create(DataType dataType, long[] shape, long[] strides, char ordering, MemoryWorkspace workspace);
INDArray createUninitialized(int[] shape, char ordering);
INDArray createUninitialized(long[] shape, char ordering);
INDArray createUninitialized(DataType dataType, long[] shape, char ordering, MemoryWorkspace workspace);
/**
* Create an uninitialized ndArray. Detached from workspace.
* @param dataType data type. Exceptions will be thrown for UTF8, COMPRESSED and UNKNOWN data types.
* @param ordering Fortran 'f' or C/C++ 'c' ordering.
* @param shape the shape of the array.
* @return the created detached array.
*/
INDArray createUninitializedDetached(DataType dataType, char ordering, long... shape);
/**
*
* @param data
* @param newShape
* @param newStride
* @param offset
* @param ordering
* @return
*/
INDArray create(DataBuffer data, int[] newShape, int[] newStride, long offset, char ordering);
INDArray create(DataBuffer data, long[] newShape, long[] newStride, long offset, char ordering);
INDArray create(DataBuffer data, long[] newShape, long[] newStride, long offset, long ews, char ordering);
INDArray create(DataBuffer data, long[] newShape, long[] newStride, long offset, char ordering, DataType dataType);
/**
*
* @param rows
* @param columns
* @param min
* @param max
* @param rng
* @return
*/
INDArray rand(long rows, long columns, double min, double max, org.nd4j.linalg.api.rng.Random rng);
/**
*
* @param data
* @param shape
* @param offset
* @param order
* @return
*/
INDArray create(float[] data, int[] shape, long offset, Character order);
/**
*
* @param data
* @param rows
* @param columns
* @param stride
* @param offset
* @param ordering
* @return
*/
INDArray create(float[] data, long rows, long columns, int[] stride, long offset, char ordering);
/**
*
* @param data
* @param shape
* @param ordering
* @return
*/
INDArray create(double[] data, int[] shape, char ordering);
/**
*
* @param list
* @param shape
* @param ordering
* @return
*/
INDArray create(List list, int[] shape, char ordering);
INDArray create(List list, long[] shape, char ordering);
/**
*
* @param data
* @param shape
* @param offset
* @return
*/
INDArray create(double[] data, int[] shape, long offset);
/**
*
* @param data
* @param shape
* @param stride
* @param offset
* @param ordering
* @return
*/
INDArray create(double[] data, int[] shape, int[] stride, long offset, char ordering);
/**
*
* @param shape
* @param min
* @param max
* @param rng
* @return
*/
INDArray rand(int[] shape, double min, double max, org.nd4j.linalg.api.rng.Random rng);
INDArray rand(long[] shape, double min, double max, org.nd4j.linalg.api.rng.Random rng);
/**
*
* @param ints
* @param ints1
* @param stride
* @param offset
* @return
*/
INDArray create(int[] ints, int[] ints1, int[] stride, long offset);
/**
*
* @param shape
* @param ints1
* @param stride
* @param order
* @param offset
* @return
*/
INDArray create(int[] shape, int[] ints1, int[] stride, char order, long offset);
/**
*
* @param rows
* @param columns
* @param ordering
* @return
*/
INDArray create(long rows, long columns, char ordering);
/**
*
* @param shape
* @param dataType
* @return
*/
INDArray create(int[] shape, DataType dataType, MemoryWorkspace workspace);
/**
*
* @param data
* @param order
* @return
*/
INDArray create(float[] data, char order);
/**
*
* @param data
* @param shape
* @param stride
* @param order
* @param offset
* @return
*/
INDArray create(float[] data, int[] shape, int[] stride, char order, long offset);
INDArray create(float[] data, long[] shape, long[] stride, char order, long offset);
/**
*
* @param buffer
* @param shape
* @param stride
* @param order
* @param offset
* @return
*/
INDArray create(DataBuffer buffer, int[] shape, int[] stride, char order, long offset);
/**
*
* @param data
* @param order
* @return
*/
INDArray create(double[] data, char order);
/**
*
* @param data
* @param shape
* @param stride
* @param order
* @param offset
* @return
*/
INDArray create(double[] data, int[] shape, int[] stride, char order, long offset);
/**
*
* @param shape
* @param stride
* @param offset
* @param ordering
* @return
*/
INDArray create(int[] shape, int[] stride, long offset, char ordering);
INDArray create(long[] shape, long[] stride, long offset, char ordering);
// DataBuffer restoreFromHalfs(DataBuffer buffer);
// DataBuffer convertToHalfs(DataBuffer buffer);
/**
*
* @param typeSrc
* @param source
* @param typeDst
* @return
*/
INDArray convertDataEx(DataTypeEx typeSrc, INDArray source, DataTypeEx typeDst);
/**
*
* @param typeSrc
* @param source
* @param typeDst
* @return
*/
DataBuffer convertDataEx(DataTypeEx typeSrc, DataBuffer source, DataTypeEx typeDst);
/**
*
* @param typeSrc
* @param source
* @param typeDst
* @param target
*/
void convertDataEx(DataTypeEx typeSrc, DataBuffer source, DataTypeEx typeDst, DataBuffer target);
/**
*
* @param typeSrc
* @param source
* @param typeDst
* @param target
* @param length
*/
void convertDataEx(DataTypeEx typeSrc, Pointer source, DataTypeEx typeDst, Pointer target, long length);
/**
*
* @param typeSrc
* @param source
* @param typeDst
* @param buffer
*/
void convertDataEx(DataTypeEx typeSrc, Pointer source, DataTypeEx typeDst, DataBuffer buffer);
/**
* Create from an in memory numpy pointer
* @param pointer the pointer to the
* numpy array
* @return an ndarray created from the in memory
* numpy pointer
*/
INDArray createFromNpyPointer(Pointer pointer);
/**
* Create from an in memory numpy header.
* Use this when not interopping
* directly from python.
*
* @param pointer the pointer to the
* numpy header
* @return an ndarray created from the in memory
* numpy pointer
*/
INDArray createFromNpyHeaderPointer(Pointer pointer);
/**
* Create from a given numpy file.
* @param file the file to create the ndarray from
* @return the created ndarray
*/
INDArray createFromNpyFile(File file);
/**
* Create a Map from given npz file.
* @param file the file to create the map from
* @return Map
*/
public Map createFromNpzFile(File file) throws Exception;
/**
* Convert an {@link INDArray}
* to a numpy array.
* This will usually be used
* for writing out to an external source.
* Note that this will create a zero copy reference
* to this ndarray's underlying data.
*
*
* @param array the array to convert
* @returnthe created pointer representing
* a pointer to a numpy header
*/
Pointer convertToNumpy(INDArray array);
INDArray create(float[] data, long[] shape, long[] stride, long offset, char ordering);
INDArray create(double[] data, long[] shape, long[] stride, long offset, char ordering);
/**
*
* @param tensor
* @param dimensions
* @return
*/
INDArray[] tear(INDArray tensor, int... dimensions);
/**
*
* @param x
* @param descending
* @return
*/
INDArray sort(INDArray x, boolean descending);
INDArray sort(INDArray x, boolean descending, int... dimensions);
INDArray sortCooIndices(INDArray x);
INDArray create(float[] data, long[] shape, long offset, Character order);
INDArray create(double[] data, long[] shape, long offset, Character order);
INDArray create(float[] data, long[] shape, char ordering);
INDArray create(double[] data, long[] shape, char ordering);
// =========== String methods ============
INDArray create(Collection strings, long[] shape, char order);
}
