org.nd4j.linalg.api.ops.ReduceOp Maven / Gradle / Ivy
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* * terms of the Apache License, Version 2.0 which is available at
* * https://www.apache.org/licenses/LICENSE-2.0.
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* * information regarding copyright ownership.
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* * SPDX-License-Identifier: Apache-2.0
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package org.nd4j.linalg.api.ops;
import org.nd4j.linalg.api.buffer.DataType;
import org.nd4j.linalg.api.ndarray.INDArray;
public interface ReduceOp extends Op {
/**
* Returns the no op version
* of the input
* Basically when a reduce can't happen (eg: sum(0) on a row vector)
* you have a no op state for a given reduction.
* For most accumulations, this should return x
* but certain transformations should return say: the absolute value
*
*
* @return the no op version of the input
*/
INDArray noOp();
/**
* This method returns dimensions for this op
* @return
*/
INDArray dimensions();
@Deprecated
boolean isComplexAccumulation();
Type getOpType();
/**
* This method returns TRUE if we're going to keep axis, FALSE otherwise
*
* @return
*/
boolean isKeepDims();
/**
* This method returns datatype for result array wrt given inputs
* @return
*/
DataType resultType();
DataType resultType(OpContext oc);
boolean validateDataTypes(OpContext oc);
Number getFinalResult();
void setDimensions(int... dimensions);
}