Related tdf#135211: return early if no data

With DEPS or SCO Evolutionary algorithms, it'll return
"No solution found."
Change-Id: I15e8e24eb519a20e3f3645b79e990949f648fbd2

Change-Id: I7321419ccc1cd00d75f03fa86d3c0cb4bf9ad473
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/99584
Tested-by: Julien Nabet <serval2412@yahoo.fr>
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>
diff --git a/nlpsolver/src/com/sun/star/comp/Calc/NLPSolver/BaseEvolutionarySolver.java b/nlpsolver/src/com/sun/star/comp/Calc/NLPSolver/BaseEvolutionarySolver.java
index 7fb4ead..f5b3f00 100644
--- a/nlpsolver/src/com/sun/star/comp/Calc/NLPSolver/BaseEvolutionarySolver.java
+++ b/nlpsolver/src/com/sun/star/comp/Calc/NLPSolver/BaseEvolutionarySolver.java
@@ -189,6 +189,10 @@ public abstract class BaseEvolutionarySolver extends BaseNLPSolver {
    protected void initializeSolve() {
        super.initializeSolve();

        if (m_variableCount == 0)
        {
            return;
        }
        if (m_enhancedSolverStatus.getValue())
            m_solverStatusDialog = new EvolutionarySolverStatusUno(m_xContext);
        else
diff --git a/nlpsolver/src/com/sun/star/comp/Calc/NLPSolver/DEPSSolverImpl.java b/nlpsolver/src/com/sun/star/comp/Calc/NLPSolver/DEPSSolverImpl.java
index f152cf9..aff425b 100644
--- a/nlpsolver/src/com/sun/star/comp/Calc/NLPSolver/DEPSSolverImpl.java
+++ b/nlpsolver/src/com/sun/star/comp/Calc/NLPSolver/DEPSSolverImpl.java
@@ -119,6 +119,10 @@ public final class DEPSSolverImpl extends BaseEvolutionarySolver
            Logger.getLogger(DEPSSolverImpl.class.getName()).log(Level.SEVERE, null, ex);
        }
        initializeSolve();
        if (m_problemEncoder == null)
        {
            return;
        }

        //Init:
        DEPSAgent[] agents = new DEPSAgent[m_swarmSize.getValue()];
diff --git a/nlpsolver/src/com/sun/star/comp/Calc/NLPSolver/SCOSolverImpl.java b/nlpsolver/src/com/sun/star/comp/Calc/NLPSolver/SCOSolverImpl.java
index cefe510..c179860 100644
--- a/nlpsolver/src/com/sun/star/comp/Calc/NLPSolver/SCOSolverImpl.java
+++ b/nlpsolver/src/com/sun/star/comp/Calc/NLPSolver/SCOSolverImpl.java
@@ -90,6 +90,11 @@ public final class SCOSolverImpl extends BaseEvolutionarySolver
    public void solve() {
        initializeSolve();

        if (m_problemEncoder == null)
        {
            return;
        }

        //Init:
        int swarmSize = m_swarmSize.getValue();
        SCAgent[] agents = new SCAgent[swarmSize];