package org.matheclipse.core.reflection.system;

import static org.matheclipse.core.expression.F.Power;

import org.matheclipse.core.eval.interfaces.AbstractArg1;
import org.matheclipse.core.eval.interfaces.INumeric;
import org.matheclipse.core.expression.F;
import org.matheclipse.core.interfaces.IExpr;
import org.matheclipse.core.interfaces.ISymbol;
public class Sqrt extends AbstractArg1 implements INumeric {
	public Sqrt() {
	}

	@Override
	public IExpr e1ObjArg(final IExpr o) {
		return Power(o, F.C1D2);
	}

	public double evalReal(final double[] stack, final int top, final int size) {
		if (size != 1) {
			throw new UnsupportedOperationException();
		}
		return Math.sqrt(stack[top]);
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void setUp(final ISymbol symbol) {
		symbol.setAttributes(ISymbol.LISTABLE | ISymbol.NUMERICFUNCTION);
		super.setUp(symbol);
	}
}