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JEP is a Java library for parsing and evaluating mathematical expressions.
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/* @author rich
* Created on 27-Jul-2003
*/
package org.lsmp.djep.vectorJep.function;
import org.lsmp.djep.vectorJep.*;
import org.lsmp.djep.vectorJep.values.*;
import org.nfunk.jep.*;
import org.nfunk.jep.function.Subtract;
/**
* An extension of the Add command to allow it to add MVector's and Matrix's.
* @author Rich Morris
* Created on 27-Jul-2003
*/
public class MSubtract extends Subtract implements BinaryOperatorI {
public Dimensions calcDim(Dimensions ldim,Dimensions rdim)
{
if(ldim.equals(rdim)) return ldim;
return null;
}
/** calculates the value.
* @param res - results will be stored in this object
* @param lhs - lhs value
* @param rhs - rhs value
* @return res
*/
public MatrixValueI calcValue(MatrixValueI res,MatrixValueI lhs,MatrixValueI rhs) throws ParseException
{
int len = res.getNumEles();
for(int i=0;i