jscl.math.function.PostfixFunctionsRegistry Maven / Gradle / Ivy

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package jscl.math.function;

import jscl.math.Generic;
import jscl.math.operator.*;
import org.solovyev.common.math.AbstractMathRegistry;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

/**
 * User: serso
 * Date: 10/31/11
 * Time: 10:56 PM
 */
public class PostfixFunctionsRegistry extends AbstractMathRegistry {

	private final static PostfixFunctionsRegistry instance = new PostfixFunctionsRegistry();

	static {
		instance.add(new DoubleFactorial(null));
		instance.add(new Factorial(null));
		instance.add(new Degree(null));
		instance.add(new Percent(null, null));
	}

	@Nonnull
	public static PostfixFunctionsRegistry getInstance() {
		return instance;
	}

	@Nullable
	public Operator get(@Nonnull String name, @Nonnull Generic[] parameters) {
		final Operator operator = super.get(name);
		return operator == null ? null : operator.newInstance(parameters);
	}

	@Override
	public Operator get(@Nonnull String name) {
		final Operator operator = super.get(name);
		return operator == null ? null : FunctionsRegistry.copy(operator);
	}

}