org.nd4j.linalg.api.blas.params.MMulTranspose 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.params;
import lombok.Builder;
import lombok.EqualsAndHashCode;
import lombok.Getter;
import org.nd4j.linalg.api.ndarray.INDArray;
import java.io.Serializable;
@Getter
@EqualsAndHashCode
public class MMulTranspose implements Serializable {
private boolean transposeA = false;
private boolean transposeB = false;
private boolean transposeResult = false;
private INDArray a,b;
private static MMulTranspose allFalse = MMulTranspose.builder().build();
/**
* Returns the default transpose
* where all are false
* @return
*/
public static MMulTranspose allFalse() {
return allFalse;
}
@Builder
public MMulTranspose(boolean transposeA,
boolean transposeB,
boolean transposeResult,
INDArray a,
INDArray b) {
this.transposeA = transposeA;
this.transposeB = transposeB;
this.transposeResult = transposeResult;
if(transposeResult) {
this.transposeA = !transposeA;
this.transposeB = !transposeB;
this.a = b;
this.b = a;
}
this.transposeA = transposeA;
this.transposeB = transposeB;
if(this.transposeA && a != null) {
if (a.rank() == 2)
this.a = a.transpose();
if (a.rank() == 3)
this.a = a.permute(0, 2, 1);
}
else
this.a = a;
if(this.transposeB && b != null) {
if (b.rank() == 2)
this.b = b.transpose();
if (b.rank() == 3)
this.b = b.permute(0, 2, 1);
}
else
this.b = b;
}
}