org.jbasics.math.expression.simple.impl.SimplePowerExpression Maven / Gradle / Ivy

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/*
 * Copyright (c) 2009-2015
 * 	IT-Consulting Stephan Schloepke (http://www.schloepke.de/)
 * 	klemm software consulting Mirko Klemm (http://www.klemm-scs.com/)
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.jbasics.math.expression.simple.impl;

import org.jbasics.math.BigDecimalMathLibrary;
import org.jbasics.math.expression.simple.SimpleExpression;

import java.math.BigDecimal;
import java.math.MathContext;

public class SimplePowerExpression extends SimpleBinaryExpression {

	public SimplePowerExpression(final SimpleExpression lhs, final SimpleExpression rhs) {
		super(lhs, rhs);
	}

	@Override
	protected BigDecimal evalOp(final BigDecimal left, final BigDecimal right, final MathContext mc) {
		return BigDecimalMathLibrary.pow(left, right).valueToPrecision(mc);
	}

	@Override
	public String toString() {
		return new StringBuilder().append(this.lhs).append("^").append(this.rhs).toString(); //$NON-NLS-1$
	}
}