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org.nd4j.linalg.api.blas.impl.SparseBaseLevel2 Maven / Gradle / Ivy
/*******************************************************************************
* 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.api.blas.impl;
import org.nd4j.linalg.api.blas.Level2;
import org.nd4j.linalg.api.blas.params.SparseCOOGemvParameters;
import org.nd4j.linalg.api.buffer.DataBuffer;
import org.nd4j.linalg.api.buffer.DataType;
import org.nd4j.linalg.api.ndarray.INDArray;
import org.nd4j.linalg.api.ops.executioner.DefaultOpExecutioner;
import static org.nd4j.base.Preconditions.checkArgument;
/**
* @author Audrey Loeffel
*/
public abstract class SparseBaseLevel2 extends SparseBaseLevel implements Level2 {
@Override
public void gemv(char order, char transA, double alpha, INDArray A, INDArray X, double beta, INDArray Y) {
checkArgument(A.isMatrix(), "A must be a matrix");
checkArgument(X.isVector(), "X must be a vector");
checkArgument(Y.isVector(), "Y must be a vector");
SparseCOOGemvParameters parameters = new SparseCOOGemvParameters(A, X, Y);
switch (A.data().dataType()) {
case DOUBLE:
DefaultOpExecutioner.validateDataType(DataType.DOUBLE, parameters.getA(), parameters.getX(),
parameters.getY());
dcoomv(parameters.getAOrdering(), parameters.getM(), parameters.getVal(), parameters.getRowInd(),
parameters.getColInd(), parameters.getNnz(), parameters.getX(), parameters.getY());
break;
case FLOAT:
DefaultOpExecutioner.validateDataType(DataType.FLOAT, parameters.getA(), parameters.getX(),
parameters.getY());
scoomv(parameters.getAOrdering(), parameters.getM(), parameters.getVal(), parameters.getRowInd(),
parameters.getColInd(), parameters.getNnz(), parameters.getX(), parameters.getY());
break;
default:
throw new UnsupportedOperationException();
}
}
@Override
public void gbmv(char order, char TransA, int KL, int KU, double alpha, INDArray A, INDArray X, double beta,
INDArray Y) {
}
@Override
public void ger(char order, double alpha, INDArray X, INDArray Y, INDArray A) {
}
@Override
public void sbmv(char order, char Uplo, double alpha, INDArray A, INDArray X, double beta, INDArray Y) {
}
@Override
public void spmv(char order, char Uplo, double alpha, INDArray Ap, INDArray X, double beta, INDArray Y) {
}
@Override
public void spr(char order, char Uplo, double alpha, INDArray X, INDArray Ap) {
}
@Override
public void spr2(char order, char Uplo, double alpha, INDArray X, INDArray Y, INDArray A) {
}
@Override
public void symv(char order, char Uplo, double alpha, INDArray A, INDArray X, double beta, INDArray Y) {
}
@Override
public void syr(char order, char Uplo, int N, double alpha, INDArray X, INDArray A) {
}
@Override
public void syr2(char order, char Uplo, double alpha, INDArray X, INDArray Y, INDArray A) {
}
@Override
public void tbmv(char order, char Uplo, char TransA, char Diag, INDArray A, INDArray X) {
}
@Override
public void tbsv(char order, char Uplo, char TransA, char Diag, INDArray A, INDArray X) {
}
@Override
public void tpmv(char order, char Uplo, char TransA, char Diag, INDArray Ap, INDArray X) {
}
@Override
public void tpsv(char order, char Uplo, char TransA, char Diag, INDArray Ap, INDArray X) {
}
@Override
public void trmv(char order, char Uplo, char TransA, char Diag, INDArray A, INDArray X) {
}
@Override
public void trsv(char order, char Uplo, char TransA, char Diag, INDArray A, INDArray X) {
}
// ----
protected abstract void scoomv(char transA, int M, DataBuffer values, DataBuffer rowInd, DataBuffer colInd, int nnz,
INDArray x, INDArray y);
protected abstract void dcoomv(char transA, int M, DataBuffer values, DataBuffer rowInd, DataBuffer colInd, int nnz,
INDArray x, INDArray y);
}
