Refactors NS and Dream to exist quicker when stopped

minimisers/DREAM/functions/DREAM.m

@@ -222,7 +222,7 @@
         if ~strcmpi(controls.display, coderEnums.displayOptions.Off)
             triggerEvent(coderEnums.eventTypes.Message, sprintf('Optimisation terminated by user\n'));
         end
-        break;
+        return;
     end
 end
 

minimisers/DREAM/runDREAM.m

@@ -87,6 +87,12 @@
 % Run the sampler....
 [chain,dreamOutput,~] = DREAM(DREAMPar,ParInfo,ratInputs);
 
+if isRATStopped(controls.IPCFilePath)
+    result = makeEmptyResultStruct(problemStruct.numberOfContrasts, length(problemStruct.fitParams), domains);
+    outProblemStruct = problemStruct;
+    return
+end
+
 % Combine all chains....
 nChains = DREAMPar.nChains;
 nParams = DREAMPar.nParams;

minimisers/NS/nestedSampler.m

@@ -263,7 +263,8 @@
         if ~strcmpi(controls.display, coderEnums.displayOptions.Off)
             triggerEvent(coderEnums.eventTypes.Message, sprintf('Optimisation terminated by user\n'));
         end
-        break;
+        post_samples = [];
+        return;
     end
     % update counter    
     j = j+1;

minimisers/NS/runNestedSampler.m

@@ -49,6 +49,11 @@
 [logZ, nestSamples, postSamples, H] = nestedSampler(data, nLive, nMCMC,...
     tolerance, likelihood, model, priorList, fitNames);
 
+if isRATStopped(controls.IPCFilePath)
+    result = makeEmptyResultStruct(problemStruct.numberOfContrasts, length(problemStruct.fitParams), domains);
+    return
+end
+
 % Process the results...
 nParams = length(fitNames);
 % chain = nest_samples(:,1:end-1);