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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.scalar.comparison;
import org.nd4j.linalg.api.complex.IComplexNumber;
import org.nd4j.linalg.api.ndarray.INDArray;
import org.nd4j.linalg.api.ops.BaseScalarOp;
import org.nd4j.linalg.api.ops.Op;
import org.nd4j.linalg.factory.Nd4j;
/**
* Return a binary (0 or 1) when greater than a number
*
* @author Adam Gibson
*/
public class ScalarGreaterThan extends BaseScalarOp {
public ScalarGreaterThan() {}
public ScalarGreaterThan(INDArray x, INDArray y, INDArray z, long n, Number num) {
super(x, y, z, n, num);
}
public ScalarGreaterThan(INDArray x, Number num) {
super(x, num);
}
public ScalarGreaterThan(INDArray x, INDArray y, INDArray z, long n, IComplexNumber num) {
super(x, y, z, n, num);
}
public ScalarGreaterThan(INDArray x, IComplexNumber num) {
super(x, num);
}
@Override
public int opNum() {
return 8;
}
@Override
public String name() {
return "greaterthan_scalar";
}
@Override
public IComplexNumber op(IComplexNumber origin, double other) {
return origin.absoluteValue().doubleValue() > num.doubleValue() ? Nd4j.createComplexNumber(1, 0)
: Nd4j.createComplexNumber(0, 0);
}
@Override
public IComplexNumber op(IComplexNumber origin, float other) {
return origin.absoluteValue().doubleValue() > num.doubleValue() ? Nd4j.createComplexNumber(1, 0)
: Nd4j.createComplexNumber(0, 0);
}
@Override
public IComplexNumber op(IComplexNumber origin, IComplexNumber other) {
return origin.absoluteValue().doubleValue() > num.doubleValue() ? Nd4j.createComplexNumber(1, 0)
: Nd4j.createComplexNumber(0, 0);
}
@Override
public float op(float origin, float other) {
return origin > num.floatValue() ? 1 : 0;
}
@Override
public double op(double origin, double other) {
return origin > num.doubleValue() ? 1 : 0;
}
@Override
public double op(double origin) {
return origin > num.doubleValue() ? 1 : 0;
}
@Override
public float op(float origin) {
return origin > num.floatValue() ? 1 : 0;
}
@Override
public IComplexNumber op(IComplexNumber origin) {
return origin.absoluteValue().doubleValue() > num.doubleValue() ? Nd4j.createComplexNumber(1, 0)
: Nd4j.createComplexNumber(0, 0);
}
@Override
public Op opForDimension(int index, int dimension) {
if (num != null)
return new ScalarGreaterThan(x.vectorAlongDimension(index, dimension), num);
else
return new ScalarGreaterThan(x.vectorAlongDimension(index, dimension), complexNumber);
}
@Override
public Op opForDimension(int index, int... dimension) {
if (num != null)
return new ScalarGreaterThan(x.tensorAlongDimension(index, dimension), num);
else
return new ScalarGreaterThan(x.tensorAlongDimension(index, dimension), complexNumber);
}
}