org.nd4j.linalg.api.ops.impl.transforms.custom.GreaterThanOrEqual Maven / Gradle / Ivy
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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.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.ndarray.INDArray;
import org.nd4j.linalg.api.ops.impl.transforms.BaseDynamicTransformOp;
import org.nd4j.linalg.api.shape.LongShapeDescriptor;
import org.nd4j.linalg.factory.Nd4j;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
/**
* Bit mask over the ndarrays as to whether
* the components are greater than or equal or not
*
* @author Adam Gibson
*/
public class GreaterThanOrEqual extends BaseDynamicTransformOp {
public GreaterThanOrEqual() {}
public GreaterThanOrEqual( SameDiff sameDiff, SDVariable[] args, boolean inPlace) {
super(sameDiff, args, inPlace);
}
public GreaterThanOrEqual( INDArray[] inputs, INDArray[] outputs) {
super(inputs, outputs);
}
public GreaterThanOrEqual(INDArray x, INDArray y, INDArray z){
this(new INDArray[]{x, y}, new INDArray[]{z});
}
@Override
public int opNum() {
return 11;
}
@Override
public String opName() {
return "greater_equal";
}
@Override
public String onnxName() {
return "GreaterEqual";
}
@Override
public String tensorflowName() {
return "GreaterEqual";
}
@Override
public List doDiff(List f1) {
//2 inputs, not continuously differentiable but 0s almost everywhere
return Arrays.asList(sameDiff.zerosLike(args()[0]), sameDiff.zerosLike(args()[1]));
}
@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) == dataTypes.get(1), "Input datatypes must be same type: got %s", dataTypes);
return Collections.singletonList(DataType.BOOL);
}
}