Checking of min and max factor value was added.

It is possible user to swap these two values.

Change-Id: Ib375d705e42f7257aa9b16d72ab834020e401cde
Reviewed-on: https://gerrit.libreoffice.org/72483Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>
Tested-by: Tomaž Vajngerl <quikee@gmail.com>

nlpsolver/src/com/sun/star/comp/Calc/NLPSolver/DEPSSolverImpl.java

@@ -128,8 +128,8 @@ public final class DEPSSolverImpl extends BaseEvolutionarySolver
             agents[i].setPbest(m_library.getSelectedPoint(i));
 
             DEGTBehavior deGTBehavior = new DEGTBehavior();
-            deGTBehavior.MIN_FACTOR = m_minFactor.getValue();
-            deGTBehavior.MAX_FACTOR = m_maxFactor.getValue();
+            deGTBehavior.MIN_FACTOR = Math.min(m_minFactor.getValue(), m_maxFactor.getValue());
+            deGTBehavior.MAX_FACTOR = Math.max(m_minFactor.getValue(), m_maxFactor.getValue());
             deGTBehavior.CR = m_CR.getValue();
 
             PSGTBehavior psGTBehavior = new PSGTBehavior();