| 1 | package de.uka.ipd.sdq.stoex.analyser.operations; |
| 2 | |
| 3 | import de.uka.ipd.sdq.probfunction.math.IProbabilityDensityFunction; |
| 4 | import de.uka.ipd.sdq.probfunction.math.IProbabilityMassFunction; |
| 5 | import de.uka.ipd.sdq.probfunction.math.exception.DomainNotNumbersException; |
| 6 | |
| 7 | /** |
| 8 | * Implements the operation "subtraction" for different kinds of operands. |
| 9 | * @author martens, koziolek |
| 10 | */ |
| 11 | public class SubOperation extends TermProductOperation { |
| 12 | |
| 13 | @Override |
| 14 | public double compute(double left, double right) { |
| 15 | return left-right; |
| 16 | } |
| 17 | |
| 18 | @Override |
| 19 | public int compute(int left, int right) { |
| 20 | return left-right; |
| 21 | } |
| 22 | |
| 23 | @Override |
| 24 | public IProbabilityMassFunction compute(IProbabilityMassFunction left, |
| 25 | double right) throws DomainNotNumbersException { |
| 26 | return left.shiftDomain(-right); |
| 27 | } |
| 28 | |
| 29 | @Override |
| 30 | public IProbabilityDensityFunction compute(IProbabilityDensityFunction left, double right) throws DomainNotNumbersException { |
| 31 | return left.shiftDomain(-right); |
| 32 | } |
| 33 | |
| 34 | @Override |
| 35 | protected Double calculateOperationForValues(Double value1, Double value2) { |
| 36 | return value1 - value2; |
| 37 | } |
| 38 | |
| 39 | } |