wehub-resource-sync
94 lines
4.2 KiB
C++
94 lines
4.2 KiB
C++
/*
|
|
* ******************************************************************************
|
|
* *
|
|
* *
|
|
* * 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.
|
|
* *
|
|
* * See the NOTICE file distributed with this work for additional
|
|
* * information regarding copyright ownership.
|
|
* * 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
|
|
* *****************************************************************************
|
|
*/
|
|
|
|
//
|
|
// @author Yurii Shyrma (iuriish@yahoo.com), created on 05.06.2018
|
|
//
|
|
|
|
#ifndef LIBND4J_MMULHELPER_H
|
|
#define LIBND4J_MMULHELPER_H
|
|
#include "array/NDArray.h"
|
|
|
|
namespace sd {
|
|
class SD_LIB_EXPORT MmulHelper {
|
|
private:
|
|
// multiptication N-dimensions tensor on other N-dimensions one
|
|
static NDArray* mmulNxN(NDArray* A, NDArray* B, NDArray* C, const double alpha = 1.0,
|
|
const double beta = 0.0, const char outOrder = 'f');
|
|
|
|
// dot product of vectors (X * Y) = Z[0]
|
|
static NDArray* dot(NDArray* X, NDArray* Y, NDArray* Z, const double alpha = 1.0,
|
|
const double beta = 0.0);
|
|
|
|
// multiptication Matrix to Matrix
|
|
static NDArray* mmulMxM( NDArray* A, NDArray* B, NDArray* C, double alpha = 1.0,
|
|
double beta = 0.0, const char outOrder = 'f');
|
|
|
|
// multiptication Matrix to vector
|
|
static NDArray* mmulMxV( NDArray* A, NDArray* B, NDArray* C, double alpha = 1.0,
|
|
double beta = 0.0, const char outOrder = 'f');
|
|
|
|
public:
|
|
static NDArray* mmul(NDArray* A, NDArray* B, NDArray* C = nullptr,
|
|
const double alpha = 1.0, const double beta = 0.0, const char outOrder = 'f');
|
|
|
|
static NDArray* tensorDot(NDArray* A, NDArray* B,
|
|
const std::initializer_list<LongType>& axesA,
|
|
const std::initializer_list<LongType>& axesB = {});
|
|
|
|
static NDArray* tensorDot(NDArray* A, NDArray* B, const std::vector<LongType>& axesA,
|
|
const std::vector<LongType>& axesB);
|
|
|
|
static void tensorDot(NDArray* a, NDArray* b, NDArray* c, std::vector<LongType>& axes_a,
|
|
std::vector<LongType>& axes_b, std::vector<LongType>& permutForC);
|
|
|
|
static void computeNewShapesAndAxes(
|
|
NDArray& as_, const std::vector<LongType>& axes_a,
|
|
NDArray& bs, const std::vector<LongType>& axes_b,
|
|
std::vector<LongType>& newshape_a, std::vector<LongType>& newaxes_a,
|
|
std::vector<LongType>& newshape_b, std::vector<LongType>& newaxes_b
|
|
);
|
|
#ifndef __JAVACPP_HACK__
|
|
/**
|
|
* modif - (can be empty) vector containing a subsequence of permutation/reshaping arrays (in any order), user must
|
|
* take care of correctness of such arrays by himself
|
|
*/
|
|
static void tensorDot(NDArray* a, NDArray* b, NDArray* c,
|
|
std::vector<std::vector<LongType>>& modifA,
|
|
std::vector<std::vector<LongType>>& modifB,
|
|
std::vector<std::vector<LongType>>& modifC);
|
|
static NDArray* tensorDot(NDArray* a, NDArray* b,
|
|
std::vector<std::vector<LongType>>& modifA,
|
|
std::vector<std::vector<LongType>>& modifB);
|
|
|
|
static void tensorDot2(NDArray* a, NDArray* b, NDArray* c, const std::vector<LongType>& axes_a,
|
|
const std::vector<LongType>& axes_b, std::vector<LongType>& permutAt,
|
|
std::vector<LongType>& permuteBt, std::vector<LongType>& permuteCt, NDArray* realFinalResult = nullptr);
|
|
#endif
|
|
|
|
static void matmul(NDArray* x, NDArray* y, NDArray* z, const bool transX, const bool transY, double alpha,
|
|
double beta, NDArray* realFinalResult = nullptr);
|
|
|
|
static bool resolveTranspose(sd::NDArray& a, sd::NDArray& b, bool& transA, bool& transB);
|
|
};
|
|
} // namespace sd
|
|
|
|
#endif // LIBND4J_MMULHELPER_H
|