com.graphbuilder.math.MultNode Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of org.apache.servicemix.bundles.poi

This OSGi bundle wraps poi, poi-contrib, poi-ooxml, poi-ooxml-schemas and poi-scratchpad ${pkgVersion} jar files.

There is a newer version: 5.2.5_1

/*
* Copyright (c) 2005, Graph Builder
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* * Neither the name of Graph Builder nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.

* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

package com.graphbuilder.math;

/**
A node of an expression tree, represented by the symbol "*".
*/
public class MultNode extends OpNode {

	public MultNode(Expression leftChild, Expression rightChild) {
		super(leftChild, rightChild);
	}

	/**
	Multiples the evaluation of the left side and the evaluation of the right side and returns the result.
	*/
	public double eval(VarMap v, FuncMap f) {
		double a = leftChild.eval(v, f);
		double b = rightChild.eval(v, f);
		return a * b;
	}

	public String getSymbol() {
		return "*";
	}
}