makes rankMutations return a value

Class state-machine isn't working very well

DescriptorManager.cpp

@@ -162,14 +162,12 @@ void DescriptorManager::rankImages(string image_name, int method) {
 //Adds mutated descriptors of a given image to a copy of the distances array.
 //It inserts these mutated descriptors in a sorted way
 //Assumes the distances array is filled with the normal distances
-void DescriptorManager::rankMutations(string image_name, int method) {
+multiset<pair<unsigned long long, string>> DescriptorManager::rankMutations(string image_name, int method) {
 	bitset<64> target;
-	if (features[method].count(image_name) && initialized) { //if we have image
+	if (features[method].count(image_name) && initialized) { //this should always be the case
 		target = features[method][image_name];
 	}
-	else {
+
-		return;
-	}
 	//cout << "Finding hits for " << image_name << " which has feature-number " << target.to_ullong() << endl;
 	multiset<pair<unsigned long long, string>> local_distance = distances; //get our local copy of the distances.
 	for (int i = 0; i < numMutations; i++) {
@@ -177,9 +175,10 @@ void DescriptorManager::rankMutations(string image_name, int method) {
 		unsigned long long d = descriptor_types[method]->distance(target, b1);
 		pair<unsigned long long, string> p(d, mutators[i]->ToString());
 		local_distance.insert(p);
-		upper_bound
+		//upper_bound
 	}
-
+	return local_distance;
+	/*
 	//cout << "..." << endl;
 	for (int i = 0; i < numMutations; i++) {
 		int j = 0;
@@ -191,7 +190,7 @@ void DescriptorManager::rankMutations(string image_name, int method) {
 			}
 			j++;
 		}
-	}
+	}*/
 }
 
 //Needs to be called after Init().

DescriptorManager.h

@@ -28,7 +28,7 @@ public:
 	~DescriptorManager();
 	void Init();
 	void rankImages(string image_name, int method);
-	void rankMutations(string image_name, int method);
+	multiset<pair<unsigned long long, string>> rankMutations(string image_name, int method);
 	void runExperiments();
 	void outputMap(int a);
 	void outputMap();