org.nd4j.linalg.api.ops.impl.transforms.Histogram 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;
import org.nd4j.base.Preconditions;
import org.nd4j.linalg.api.ndarray.INDArray;
import org.nd4j.linalg.api.ops.DynamicCustomOp;
import org.nd4j.linalg.factory.Nd4j;
/**
* Histogram op wrapper
*
* @author [email protected]
*/
public class Histogram extends DynamicCustomOp {
private long numBins;
public Histogram() {
}
public Histogram(INDArray input, INDArray output) {
Preconditions.checkArgument(output.isZ(), "Histogram op output should have integer data type");
numBins = output.length();
inputArguments.add(input);
outputArguments.add(output);
iArguments.add(numBins);
}
public Histogram(INDArray input, long numBins) {
this.numBins = numBins;
inputArguments.add(input);
iArguments.add(numBins);
}
@Override
public String opName() {
return "histogram";
}
}