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/*-
*
* * Copyright 2015 Skymind,Inc.
* *
* * Licensed under the Apache License, Version 2.0 (the "License");
* * you may not use this file except in compliance with the License.
* * You may obtain a copy of the License at
* *
* * http://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.
*
*
*/
package org.nd4j.linalg.api.ops.impl.accum;
import org.nd4j.linalg.api.complex.IComplexNumber;
import org.nd4j.linalg.api.ndarray.INDArray;
import org.nd4j.linalg.api.ops.BaseAccumulation;
import org.nd4j.linalg.api.ops.Op;
/**
* Sum the components
*
* @author Adam Gibson
*/
public class Sum extends BaseAccumulation {
public Sum() {}
public Sum(INDArray x, INDArray y, INDArray z, long n) {
super(x, y, z, n);
}
public Sum(INDArray x, INDArray y, long n) {
super(x, y, n);
}
public Sum(INDArray x) {
super(x);
}
public Sum(INDArray x, INDArray y) {
super(x, y);
}
public Sum(INDArray x, INDArray y, INDArray z) {
super(x, y, z, x.lengthLong());
}
@Override
public double update(double accum, double x) {
return accum + x;
}
@Override
public double update(double accum, double x, double y) {
return accum + x;
}
@Override
public float update(float accum, float x) {
return accum + x;
}
@Override
public float update(float accum, float x, float y) {
return accum + x;
}
@Override
public IComplexNumber update(IComplexNumber accum, double x) {
return accum.add(x);
}
@Override
public IComplexNumber update(IComplexNumber accum, double x, double y) {
return accum.add(x);
}
@Override
public IComplexNumber update(IComplexNumber accum, IComplexNumber x) {
return accum.add(x);
}
@Override
public IComplexNumber update(IComplexNumber accum, IComplexNumber x, IComplexNumber y) {
return accum.add(x);
}
@Override
public IComplexNumber update(IComplexNumber accum, IComplexNumber x, double y) {
return accum.add(x);
}
@Override
public int opNum() {
return 1;
}
@Override
public String name() {
return "sum";
}
@Override
public IComplexNumber op(IComplexNumber origin, IComplexNumber other) {
return null;
}
@Override
public IComplexNumber op(IComplexNumber origin, float other) {
return null;
}
@Override
public IComplexNumber op(IComplexNumber origin, double other) {
return null;
}
@Override
public IComplexNumber op(IComplexNumber origin) {
return null;
}
@Override
public Op opForDimension(int index, int dimension) {
INDArray xAlongDimension = x.vectorAlongDimension(index, dimension);
if (y() != null)
return new Sum(xAlongDimension, y.vectorAlongDimension(index, dimension), xAlongDimension.length());
else
return new Sum(xAlongDimension);
}
@Override
public Op opForDimension(int index, int... dimension) {
INDArray xAlongDimension = x.tensorAlongDimension(index, dimension);
if (y() != null)
return new Sum(xAlongDimension, y.tensorAlongDimension(index, dimension), xAlongDimension.length());
else
return new Sum(xAlongDimension);
}
}