org.nd4j.linalg.ops.transforms.EqualTo Maven / Gradle / Ivy
package org.nd4j.linalg.ops.transforms;
import org.nd4j.linalg.api.complex.IComplexNumber;
import org.nd4j.linalg.api.ndarray.INDArray;
import org.nd4j.linalg.factory.Nd4j;
import org.nd4j.linalg.ops.BaseElementWiseOp;
/**
* Equal to operator
* @author Adam Gibson
*/
public class EqualTo extends BaseElementWiseOp {
/**
* The transformation for a given value (a scalar ndarray)
*
* @param value the value to applyTransformToOrigin (a scalar ndarray)
* @param i the index of the element being acted upon
* @return the transformed value based on the input
*/
@Override
public Object apply(INDArray from,Object value, int i) {
Object curr = getFromOrigin(from,i);
double originValue = (curr instanceof IComplexNumber ? ((IComplexNumber) curr).absoluteValue().doubleValue() : (double) curr);
double otherValue = (double) (value instanceof IComplexNumber ? ((IComplexNumber) value).absoluteValue().doubleValue() : (double) value);
if(originValue == otherValue) {
if(value instanceof IComplexNumber) {
return Nd4j.createDouble(1, 0);
}
else
return (double) 1;
}
else {
if(value instanceof IComplexNumber)
return Nd4j.createDouble(0, 0);
else
return (double) 0;
}
}
}