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JEP is a Java library for parsing and evaluating mathematical expressions. Use groupId org.fudaa to deploy it in maven central
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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.UMinus;
/**
* Unitary minus for matrices.
* @author Rich Morris
* Created on 27-Jul-2003
*/
public class MUMinus extends UMinus implements UnaryOperatorI {
public Dimensions calcDim(Dimensions ldim)
{
return ldim;
}
/** calculates the value.
* @param res - results will be stored in this object
* @param lhs - the value to be negated
* @return res
*/
public MatrixValueI calcValue(MatrixValueI res,MatrixValueI lhs) throws ParseException
{
int len = res.getNumEles();
for(int i=0;i