org.nd4j.linalg.api.ops.impl.transforms.custom.LogicalAnd 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.ops.impl.transforms.custom;
import org.nd4j.autodiff.samediff.SDVariable;
import org.nd4j.autodiff.samediff.SameDiff;
import org.nd4j.base.Preconditions;
import org.nd4j.linalg.api.buffer.DataType;
import org.nd4j.linalg.api.ops.DynamicCustomOp;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
public class LogicalAnd extends DynamicCustomOp {
public LogicalAnd(){ }
public LogicalAnd(SameDiff sd, SDVariable in1, SDVariable in2){
super(null, sd, new SDVariable[]{in1, in2});
}
@Override
public String opName(){
return "boolean_and";
}
@Override
public String tensorflowName() {
return "LogicalAnd";
}
@Override
public List doDiff(List f1) {
return Arrays.asList( sameDiff.zerosLike(larg()), sameDiff.zerosLike(rarg()));
}
@Override
public List calculateOutputDataTypes(List dataTypes){
Preconditions.checkState(dataTypes != null && dataTypes.size() == 2, "Expected exactly 2 input datatypes for %s, got %s", getClass(), dataTypes);
Preconditions.checkState(dataTypes.get(0) == DataType.BOOL, "Datatype for input 0 must be BOOL: got %s", dataTypes.get(0));
Preconditions.checkState(dataTypes.get(1) == DataType.BOOL, "Datatype for input 1 must be BOOL: got %s", dataTypes.get(1));
return Collections.singletonList(DataType.BOOL);
}
}