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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;
import lombok.val;
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.shape.LongShapeDescriptor;
import org.nd4j.linalg.exception.ND4JIllegalArgumentException;
import org.nd4j.linalg.exception.ND4JIllegalStateException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public abstract class BaseTransformBoolOp extends BaseTransformOp implements TransformSameOp {
public BaseTransformBoolOp(SameDiff sameDiff, SDVariable i_v1, SDVariable i_v2) {
super(sameDiff, i_v1, i_v2);
}
public BaseTransformBoolOp(SameDiff sameDiff, SDVariable i_v1, SDVariable i_v2, boolean inPlace) {
super(sameDiff, i_v1, i_v2, inPlace);
}
public BaseTransformBoolOp(SameDiff sameDiff, SDVariable i_v, boolean inPlace) {
super(sameDiff, i_v, inPlace);
}
public BaseTransformBoolOp(SameDiff sameDiff) {
super(sameDiff);
}
public BaseTransformBoolOp(SameDiff sameDiff, SDVariable i_v1, SDVariable i_v2, Object[] extraArgs) {
super(sameDiff, i_v1, i_v2, extraArgs);
}
public BaseTransformBoolOp(SameDiff sameDiff, SDVariable i_v, long[] shape, boolean inPlace, Object[] extraArgs) {
super(sameDiff, i_v, shape, inPlace, extraArgs);
}
public BaseTransformBoolOp(SameDiff sameDiff, SDVariable i_v, Object[] extraArgs) {
super(sameDiff, i_v, extraArgs);
}
public BaseTransformBoolOp(INDArray x, INDArray z) {
super(x, z);
}
public BaseTransformBoolOp(INDArray x, INDArray y, INDArray z) {
super(x, y, z);
}
public BaseTransformBoolOp() {
super();
}
public BaseTransformBoolOp(INDArray x) {
super(x);
}
@Override
public Type getOpType() {
return Type.TRANSFORM_BOOL;
}
@Override
public Type opType() {
return Type.TRANSFORM_BOOL;
}
@Override
public DataType resultType() {
return DataType.BOOL;
}
@Override
public boolean validateDataTypes(boolean experimentalMode) {
if (y() != null)
Preconditions.checkArgument(x().dataType() == y().dataType(), "Op.X must be the same type as Op.Y: " +
"x.datatype=%s, y.datatype=%s", x().dataType(), y.dataType());
if (z() != null)
Preconditions.checkArgument(z().isB(),"Op.Z type must be bool: z.datatype=%s for op %s", z().dataType(), getClass());
return true;
}
@Override
public List calculateOutputShape() {
if(x == null)
return Collections.emptyList();
return Collections.singletonList(LongShapeDescriptor.fromShape(x.shape(), DataType.BOOL));
}
@Override
public List calculateOutputDataTypes(List dataTypes){
//All bool tranform ops: always bool output type
SDVariable[] args = args();
Preconditions.checkState(dataTypes != null && dataTypes.size() == args.length, "Expected exactly %s input datatype(s) for %s, got input %s", args.length, getClass(), dataTypes);
return Collections.singletonList(DataType.BOOL);
}
}