PrimitiveRoots.java

package jscl.math.operator.number;

import jscl.math.*;
import jscl.math.operator.Operator;

import javax.annotation.Nonnull;

public class PrimitiveRoots extends Operator {

    public static final String NAME = "primitiveroots";

    public PrimitiveRoots(Generic integer) {
        super(NAME, new Generic[]{integer});
    }

    private PrimitiveRoots(Generic parameters[]) {
        super(NAME, parameters);
    }

    @Override
    public int getMinParameters() {
        return 1;
    }

    public Generic selfExpand() {
        try {
            JsclInteger en = parameters[0].integerValue();
            Generic a[] = en.primitiveRoots();
            return new JsclVector(a.length > 0 ? a : new Generic[]{JsclInteger.valueOf(0)});
        } catch (NotIntegerException e) {
        }
        return expressionValue();
    }

    @Nonnull
    @Override
    public Operator newInstance(@Nonnull Generic[] parameters) {
        return new PrimitiveRoots(parameters);
    }

    @Nonnull
    public Variable newInstance() {
        return new PrimitiveRoots((Generic) null);
    }
}