org.nd4j.linalg.api.ops.impl.transforms.Cosh 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;
import org.nd4j.autodiff.samediff.SDVariable;
import org.nd4j.autodiff.samediff.SameDiff;
import org.nd4j.imports.NoOpNameFoundException;
import org.nd4j.linalg.api.ndarray.INDArray;
import org.nd4j.linalg.api.ops.BaseTransformOp;
import java.util.Arrays;
import java.util.List;
/**
* Cosine Hyperbolic elementwise function
*
* @author [email protected]
*/
public class Cosh extends BaseTransformOp {
public Cosh(SameDiff sameDiff, SDVariable i_v, boolean inPlace) {
super(sameDiff, i_v, inPlace);
}
public Cosh(SameDiff sameDiff, SDVariable i_v, int[] shape, boolean inPlace, Object[] extraArgs) {
super(sameDiff, i_v, shape, inPlace, extraArgs);
}
public Cosh(SameDiff sameDiff, SDVariable i_v, Object[] extraArgs) {
super(sameDiff, i_v, extraArgs);
}
public Cosh() {
}
public Cosh(INDArray x, INDArray z) {
super(x, z);
}
public Cosh(INDArray x, INDArray z, long n) {
super(x, z, n);
}
public Cosh(INDArray x, INDArray y, INDArray z, long n) {
super(x, y, z, n);
}
public Cosh(INDArray x) {
super(x);
}
@Override
public int opNum() {
return 64;
}
@Override
public String opName() {
return "cosh";
}
@Override
public String onnxName() {
throw new NoOpNameFoundException("No onnx op opName found for " + opName());
}
@Override
public String tensorflowName() {
return "Cosh";
}
@Override
public List doDiff(List i_v) {
SDVariable ret = f().sinh(arg()).mul(i_v.get(0));
return Arrays.asList(ret);
}
}