com.expleague.ml.func.generic.ParallelFunc Maven / Gradle / Ivy
package com.expleague.ml.func.generic;
import com.expleague.commons.math.vectors.Vec;
import com.expleague.commons.math.TransC1;
/**
* User: solar
* Date: 26.05.15
* Time: 11:45
*/
public class ParallelFunc extends TransC1.Stub {
private final int dim;
private final ElementaryFunc func;
public ParallelFunc(int dim, ElementaryFunc func) {
this.dim = dim;
this.func = func;
}
@Override
public Vec transTo(Vec arg, Vec to) {
for (int i = 0; i < arg.length(); i++) {
to.set(i, func.value(arg.get(i)));
}
return to;
}
@Override
public Vec gradientRowTo(Vec x, Vec to, int index) {
to.set(index, func.gradient().value(x.get(index)));
return to;
}
@Override
public int xdim() {
return dim;
}
@Override
public int ydim() {
return dim;
}
}
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