]> git.donarmstrong.com Git - mothur.git/blobdiff - unweighted.cpp
fixed unifrac bug with multiple processors if numComps was less than processors....
[mothur.git] / unweighted.cpp
index 16a2203274f325ffc8d8b5febfea903597340093..ea66294a5354c7cab7c265c3213a967a4a5a01f9 100644 (file)
 
 /**************************************************************************************************/
 
-EstOutput Unweighted::getValues(Tree* t) {
+EstOutput Unweighted::getValues(Tree* t, int p, string o) {
        try {
                globaldata = GlobalData::getInstance();
-               
-               vector<string> groups;
-               double UniqueBL;  //a branch length is unique if it's chidren are from the same group
-               double totalBL; //all branch lengths
-               double UW;              //Unweighted Value = UniqueBL / totalBL;
-               map<string, int>::iterator it;  //iterator to traverse pgroups
-               map<string, int> copyIpcount;
-
-       
+               processors = p;
+               outputDir = o;
+                       
                //if the users enters no groups then give them the score of all groups
                int numGroups = globaldata->Groups.size();
                
                //calculate number of comparsions
                int numComp = 0;
+               vector< vector<string> > namesOfGroupCombos;
                for (int r=0; r<numGroups; r++) { 
-                       for (int l = r+1; l < numGroups; l++) {
+                       for (int l = 0; l < r; l++) {
                                numComp++;
+                               vector<string> groups; groups.push_back(globaldata->Groups[r]); groups.push_back(globaldata->Groups[l]);
+                               namesOfGroupCombos.push_back(groups);
                        }
                }
-
-               //numComp+1 for AB, AC, BC, ABC
-               data.resize(numComp+1,0);
-               
-               int count = 0;
-               for (int a=0; a<numGroups; a++) { 
-                       for (int l = a+1; l < numGroups; l++) {
-                               UniqueBL=0.0000;  //a branch length is unique if it's chidren are from the same group
-                               totalBL = 0.00; //all branch lengths
-                               UW = 0.00;              //Unweighted Value = UniqueBL / totalBL;
-                               copyIpcount.clear();
-                               
-                               //groups in this combo
-                               groups.push_back(globaldata->Groups[a]); groups.push_back(globaldata->Groups[l]);
-               
-                               for(int i=t->getNumLeaves();i<t->getNumNodes();i++){
-               
-                                       int lc = t->tree[i].getLChild();  //lc = vector index of left child
-                                       int rc = t->tree[i].getRChild();  //rc = vector index of right child
-                       
-                                       /**********************************************************************/
-                                       //This section adds in all lengths that are non leaf
-                       
-                                       copyIpcount = t->tree[i].pcount;
-                                       for (it = copyIpcount.begin(); it != copyIpcount.end(); it++) {
-                                               if (inUsersGroups(it->first, groups) != true) { copyIpcount.erase(it->first);   }
-                                       }
-                       
-                                       //if i's children are from the same group then i's pcount size will be 1 
-                                       //if copyIpcount.size() = 0 they are from a branch that is entirely from a group the user doesn't want
-                                       if (copyIpcount.size() == 0) { }
-                                       else if ((t->tree[i].getBranchLength() != -1) && (copyIpcount.size() == 1)) {  UniqueBL += t->tree[i].getBranchLength();        }
-                       
-                                       //add i's BL to total if it is from the groups the user wants
-                                       if ((t->tree[i].getBranchLength() != -1) && (copyIpcount.size() != 0)) {  
-                                               totalBL += t->tree[i].getBranchLength(); 
-                                       }
-                       
-                                       /**********************************************************************/
-                                       //This section adds in all lengths that are leaf
-                       
-                                       //if i's chidren are leaves
-                                       if (t->tree[rc].getRChild() == -1) {
-                                               //if rc is a valid group and rc has a BL
-                                               if ((inUsersGroups(t->tree[rc].getGroup(), groups) == true) && (t->tree[rc].getBranchLength() != -1)) {
-                                                       UniqueBL += t->tree[rc].getBranchLength();
-                                                       totalBL += t->tree[rc].getBranchLength(); 
-                                               }
-                                       }
-                       
-                                       if (t->tree[lc].getLChild() == -1) {
-                                               //if lc is a valid group and lc has a BL
-                                               if ((inUsersGroups(t->tree[lc].getGroup(), groups) == true) && (t->tree[lc].getBranchLength() != -1)) {
-                                                       UniqueBL += t->tree[lc].getBranchLength();
-                                                       totalBL += t->tree[lc].getBranchLength(); 
-                                               }
-                                       }
-                       
-                                       /**********************************************************************/
-                               }
-               
-                               UW = (UniqueBL / totalBL);  
-       
-                               if (isnan(UW) || isinf(UW)) { UW = 0; }
-       
-                               data[count] = UW;
-                               count++;
-                               groups.clear();
-                       }
-               }
-               
                
                if (numComp != 1) {
+                       vector<string> groups;
                        if (numGroups == 0) {
                                //get score for all users groups
                                for (int i = 0; i < tmap->namesOfGroups.size(); i++) {
-                                       groups.push_back(tmap->namesOfGroups[i]);
+                                       if (tmap->namesOfGroups[i] != "xxx") {
+                                               groups.push_back(tmap->namesOfGroups[i]);
+                                       }
                                }
+                               namesOfGroupCombos.push_back(groups);
                        }else {
                                for (int i = 0; i < globaldata->Groups.size(); i++) {
                                        groups.push_back(globaldata->Groups[i]);
                                }
+                               namesOfGroupCombos.push_back(groups);
+                       }
+               }
+
+               #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
+                       if(processors == 1){
+                               data = driver(t, namesOfGroupCombos, 0, namesOfGroupCombos.size());
+                       }else{
+                               int numPairs = namesOfGroupCombos.size();
+                               
+                               int numPairsPerProcessor = numPairs / processors;
+                               
+                               for (int i = 0; i < processors; i++) {
+                                       int startPos = i * numPairsPerProcessor;
+                       
+                                       if(i == processors - 1){
+                                               numPairsPerProcessor = numPairs - i * numPairsPerProcessor;
+                                       }
+               
+                                       lines.push_back(linePair(startPos, numPairsPerProcessor));
+                               }
+                               data = createProcesses(t, namesOfGroupCombos);
+                               lines.clear();
                        }
+               #else
+                       data = driver(t, namesOfGroupCombos, 0, namesOfGroupCombos.size());
+               #endif
                
-                       UniqueBL=0.0000;  //a branch length is unique if it's chidren are from the same group
-                       totalBL = 0.00; //all branch lengths
-                       UW = 0.00;              //Unweighted Value = UniqueBL / totalBL;
-                       copyIpcount.clear();
+               return data;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "Unweighted", "getValues");
+               exit(1);
+       }
+}
+/**************************************************************************************************/
+
+EstOutput Unweighted::createProcesses(Tree* t, vector< vector<string> > namesOfGroupCombos) {
+       try {
+#if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
+               int process = 1;
+               vector<int> processIDS;
+               
+               EstOutput results;
+               
+               //loop through and create all the processes you want
+               while (process != processors) {
+                       int pid = fork();
+                       
+                       if (pid > 0) {
+                               processIDS.push_back(pid);  //create map from line number to pid so you can append files in correct order later
+                               process++;
+                       }else if (pid == 0){
+                               EstOutput myresults;
+                               myresults = driver(t, namesOfGroupCombos, lines[process].start, lines[process].num);
+                               
+                               if (m->control_pressed) { exit(0); }
+                               
+                               m->mothurOut("Merging results."); m->mothurOutEndLine();
                                
-                       for(int i=t->getNumLeaves();i<t->getNumNodes();i++){
+                               //pass numSeqs to parent
+                               ofstream out;
+                               string tempFile = outputDir + toString(getpid()) + ".unweighted.results.temp";
+                               m->openOutputFile(tempFile, out);
+                               out << myresults.size() << endl;
+                               for (int i = 0; i < myresults.size(); i++) {  out << myresults[i] << '\t';  } out << endl;
+                               out.close();
+                               
+                               exit(0);
+                       }else { 
+                               m->mothurOut("[ERROR]: unable to spawn the necessary processes."); m->mothurOutEndLine(); 
+                               for (int i = 0; i < processIDS.size(); i++) { kill (processIDS[i], SIGINT); }
+                               exit(0); 
+                       }
+               }
                
-                               int lc = t->tree[i].getLChild();  //lc = vector index of left child
-                               int rc = t->tree[i].getRChild();  //rc = vector index of right child
-                       
-                               /**********************************************************************/
-                               //This section adds in all lengths that are non leaf
-                       
-                               copyIpcount = t->tree[i].pcount;
-                               for (it = copyIpcount.begin(); it != copyIpcount.end(); it++) {
-                                       if (inUsersGroups(it->first, groups) != true) { copyIpcount.erase(it->first);   }
+               results = driver(t, namesOfGroupCombos, lines[0].start, lines[0].num);
+               
+               //force parent to wait until all the processes are done
+               for (int i=0;i<(processors-1);i++) { 
+                       int temp = processIDS[i];
+                       wait(&temp);
+               }
+               
+               if (m->control_pressed) { return results; }
+               
+               //get data created by processes
+               for (int i=0;i<(processors-1);i++) { 
+                       ifstream in;
+                       string s = outputDir + toString(processIDS[i]) + ".unweighted.results.temp";
+                       m->openInputFile(s, in);
+                       
+                       //get quantiles
+                       if (!in.eof()) {
+                               int num;
+                               in >> num; m->gobble(in);
+                               
+                               if (m->control_pressed) { break; }
+                               
+                               double w; 
+                               for (int j = 0; j < num; j++) {
+                                       in >> w;
+                                       results.push_back(w);
                                }
+                               m->gobble(in);
+                       }
+                       in.close();
+                       remove(s.c_str());
+               }
+               
+               m->mothurOut("DONE."); m->mothurOutEndLine(); m->mothurOutEndLine();
+               
+               return results;
+#endif         
+       }
+       catch(exception& e) {
+               m->errorOut(e, "Unweighted", "createProcesses");
+               exit(1);
+       }
+}
+/**************************************************************************************************/
+EstOutput Unweighted::driver(Tree* t, vector< vector<string> > namesOfGroupCombos, int start, int num) { 
+ try {
+               
+               EstOutput results; results.resize(num);
+               
+               int count = 0;
+               int numLeaves = t->getNumLeaves();
+               int total = num;
+               int twentyPercent = (total * 0.20);
+               if (twentyPercent == 0) { twentyPercent = 1; }
+               
+               
+               for (int h = start; h < (start+num); h++) {
+       //cout << namesOfGroupCombos[h][0] << '\t' << namesOfGroupCombos[h][1] << endl;         
+                       if (m->control_pressed) { return results; }
+               
+                       double UniqueBL=0.0000;  //a branch length is unique if it's chidren are from the same group
+                       double totalBL = 0.00;  //all branch lengths
+                       double UW = 0.00;               //Unweighted Value = UniqueBL / totalBL;
+                       map<int, double> tempTotals; //maps node to total Branch Length
+                       map<int, int> nodePcountSize; //maps node to pcountSize
+                       map<int, int>::iterator itCount;
+                               
+                       for(int i=0;i<t->getNumNodes();i++){
                        
-                               //if i's children are from the same group then i's pcount size will be 1 
-                               //if copyIpcount.size() = 0 they are from a branch that is entirely from a group the user doesn't want
-                               if (copyIpcount.size() == 0) { }
-                               else if ((t->tree[i].getBranchLength() != -1) && (copyIpcount.size() == 1)) {  UniqueBL += t->tree[i].getBranchLength();        }
-                       
-                               //add i's BL to total if it is from the groups the user wants
-                               if ((t->tree[i].getBranchLength() != -1) && (copyIpcount.size() != 0)) {  
-                                       totalBL += t->tree[i].getBranchLength(); 
+                               if (m->control_pressed) {  return data; }
+                               
+                               //pcountSize = 0, they are from a branch that is entirely from a group the user doesn't want
+                               //pcountSize = 2, not unique to one group
+                               //pcountSize = 1, unique to one group
+                               
+                               int pcountSize = 0;
+                               for (int j = 0; j < namesOfGroupCombos[h].size(); j++) {
+                                       map<string, int>::iterator itGroup = t->tree[i].pcount.find(namesOfGroupCombos[h][j]);
+                                       if (itGroup != t->tree[i].pcount.end()) { pcountSize++; if (pcountSize > 1) { break; } } 
                                }
-                       
-                               /**********************************************************************/
-                               //This section adds in all lengths that are leaf
-                       
-                               //if i's chidren are leaves
-                               if (t->tree[rc].getRChild() == -1) {
-                                       //if rc is a valid group and rc has a BL
-                                       if ((inUsersGroups(t->tree[rc].getGroup(), groups) == true) && (t->tree[rc].getBranchLength() != -1)) {
-                                               UniqueBL += t->tree[rc].getBranchLength();
-                                               totalBL += t->tree[rc].getBranchLength(); 
+
+                               nodePcountSize[i] = pcountSize;
+                               
+                               //cout << i << '\t' << t->tree[i].getName() << " br = " << abs(t->tree[i].getBranchLength()) << '\t';           
+                               if (pcountSize == 0) { }
+                               else if ((t->tree[i].getBranchLength() != -1) && (pcountSize == 1)) {  UniqueBL += abs(t->tree[i].getBranchLength()); }
+                               
+                               //if you are a leaf from a users group add to total
+                               if (i < numLeaves) {
+                                       if ((t->tree[i].getBranchLength() != -1) && pcountSize != 0) { 
+                                       //cout << "added to total" << endl; 
+                                               totalBL += abs(t->tree[i].getBranchLength()); 
                                        }
-                               }
-                       
-                               if (t->tree[lc].getLChild() == -1) {
-                                       //if lc is a valid group and lc has a BL
-                                       if ((inUsersGroups(t->tree[lc].getGroup(), groups) == true) && (t->tree[lc].getBranchLength() != -1)) {
-                                               UniqueBL += t->tree[lc].getBranchLength();
-                                               totalBL += t->tree[lc].getBranchLength(); 
+                                       tempTotals[i] = 0.0;  //we don't care about you, or we have already added you
+                               }else{ //if you are not a leaf 
+                                       //do both your chidren have have descendants from the users groups? 
+                                       int lc = t->tree[i].getLChild();
+                                       int rc = t->tree[i].getRChild();
+                                       
+                                       //if yes, add your childrens tempTotals
+                                       if ((nodePcountSize[lc] != 0) && (nodePcountSize[rc] != 0)) {
+                                               totalBL += tempTotals[lc] + tempTotals[rc]; 
+                                               //cout << "added to total " << tempTotals[lc] << '\t' << tempTotals[rc] << endl;
+                                               if (t->tree[i].getBranchLength() != -1) {
+                                                       tempTotals[i] = abs(t->tree[i].getBranchLength());
+                                               }else {
+                                                       tempTotals[i] = 0.0;
+                                               }
+                                       }else if ((nodePcountSize[lc] == 0) && (nodePcountSize[rc] == 0)) { tempTotals[i] = 0.0;  //we don't care about you
+                                       }else { //if no, your tempTotal is your childrens temp totals + your branch length
+                                               tempTotals[i] = tempTotals[lc] + tempTotals[rc] + abs(t->tree[i].getBranchLength()); 
                                        }
+                                       //cout << "temptotal = "<< tempTotals[i] << endl;
                                }
-                       
-                               /**********************************************************************/
+
                        }
-               
+       //cout << UniqueBL << '\t' << totalBL << endl;          
                        UW = (UniqueBL / totalBL);  
        
                        if (isnan(UW) || isinf(UW)) { UW = 0; }
        
-                       data[count] = UW;
-               }
+                       results[count] = UW;
+                       count++;
 
-               return data;
-       
+                       //report progress
+                       if((count % twentyPercent) == 0) {      float tempOut = (count / (float)total); if (isnan(tempOut) || isinf(tempOut)) { tempOut = 0.0; } m->mothurOut("Percentage complete: " + toString((int(tempOut) * 100.0))); m->mothurOutEndLine();       }
+               }
+               
+               //report progress
+               if((count % twentyPercent) != 0) {      float tempOut = (count / (float)total); if (isnan(tempOut) || isinf(tempOut)) { tempOut = 0.0; } m->mothurOut("Percentage complete: " + toString((int(tempOut) * 100.0))); m->mothurOutEndLine();       }
+               
+               return results; 
        }
        catch(exception& e) {
-               cout << "Standard Error: " << e.what() << " has occurred in the Unweighted class Function getValues. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
-               exit(1);
-       }
-       catch(...) {
-               cout << "An unknown error has occurred in the Unweighted class function getValues. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
+               m->errorOut(e, "Unweighted", "driver");
                exit(1);
        }
-
 }
-
 /**************************************************************************************************/
 
-EstOutput Unweighted::getValues(Tree* t, string groupA, string groupB) { 
+EstOutput Unweighted::getValues(Tree* t, string groupA, string groupB, int p, string o) { 
  try {
-       globaldata = GlobalData::getInstance();
-               
-               vector<string> groups;
-               double UniqueBL;  //a branch length is unique if it's chidren are from the same group
-               double totalBL; //all branch lengths
-               double UW;              //Unweighted Value = UniqueBL / totalBL;
-               map<string, int>::iterator it;  //iterator to traverse pgroups
-               map<string, int> copyIpcount;
-               copyTree = new Tree;
-
+               globaldata = GlobalData::getInstance();
+               processors = p;
+               outputDir = o;
+               
+               
                //if the users enters no groups then give them the score of all groups
                int numGroups = globaldata->Groups.size();
-cout << "NumGroups = " << numGroups << endl;
+               
                //calculate number of comparsions
                int numComp = 0;
+               vector< vector<string> > namesOfGroupCombos;
                for (int r=0; r<numGroups; r++) { 
-                       for (int l = r+1; l < numGroups; l++) {
+                       for (int l = 0; l < r; l++) {
                                numComp++;
+                               vector<string> groups; groups.push_back(globaldata->Groups[r]); groups.push_back(globaldata->Groups[l]);
+                               namesOfGroupCombos.push_back(groups);
                        }
                }
-
-               //numComp+1 for AB, AC, BC, ABC
-               data.resize(numComp+1,0);
                
-               int count = 0;
-               for (int a=0; a<numGroups; a++) { 
-                       for (int l = a+1; l < numGroups; l++) {
-                               UniqueBL=0.0000;  //a branch length is unique if it's chidren are from the same group
-                               totalBL = 0.00; //all branch lengths
-                               UW = 0.00;              //Unweighted Value = UniqueBL / totalBL;
-                               copyIpcount.clear();
+               if (numComp != 1) {
+                       vector<string> groups;
+                       if (numGroups == 0) {
+                               //get score for all users groups
+                               for (int i = 0; i < tmap->namesOfGroups.size(); i++) {
+                                       if (tmap->namesOfGroups[i] != "xxx") {
+                                               groups.push_back(tmap->namesOfGroups[i]);
+                                       }
+                               }
+                               namesOfGroupCombos.push_back(groups);
+                       }else {
+                               for (int i = 0; i < globaldata->Groups.size(); i++) {
+                                       groups.push_back(globaldata->Groups[i]);
+                               }
+                               namesOfGroupCombos.push_back(groups);
+                       }
+               }
+
+               #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
+                       if(processors == 1){
+                               data = driver(t, namesOfGroupCombos, 0, namesOfGroupCombos.size(), true);
+                       }else{
+                               int numPairs = namesOfGroupCombos.size();
                                
-                               //copy random tree passed in
-                               copyTree->getCopy(t);
-                                                               
-                               //groups in this combo
-                               groups.push_back(globaldata->Groups[a]); groups.push_back(globaldata->Groups[l]);
+                               int numPairsPerProcessor = numPairs / processors;
                                
-                               //swap labels in the groups you want to compare
-                               copyTree->assembleRandomUnifracTree(groups[0], groups[1]);
-
-               
-                               for(int i=t->getNumLeaves();i<t->getNumNodes();i++){
-               
-                                       int lc = t->tree[i].getLChild();  //lc = vector index of left child
-                                       int rc = t->tree[i].getRChild();  //rc = vector index of right child
-                       
-                                       /**********************************************************************/
-                                       //This section adds in all lengths that are non leaf
-                       
-                                       copyIpcount = t->tree[i].pcount;
-                                       for (it = copyIpcount.begin(); it != copyIpcount.end(); it++) {
-                                               if (inUsersGroups(it->first, groups) != true) { copyIpcount.erase(it->first);   }
-                                       }
-                       
-                                       //if i's children are from the same group then i's pcount size will be 1 
-                                       //if copyIpcount.size() = 0 they are from a branch that is entirely from a group the user doesn't want
-                                       if (copyIpcount.size() == 0) { }
-                                       else if ((t->tree[i].getBranchLength() != -1) && (copyIpcount.size() == 1)) {  UniqueBL += t->tree[i].getBranchLength();        }
-                       
-                                       //add i's BL to total if it is from the groups the user wants
-                                       if ((t->tree[i].getBranchLength() != -1) && (copyIpcount.size() != 0)) {  
-                                               totalBL += t->tree[i].getBranchLength(); 
+                               for (int i = 0; i < processors; i++) {
+                                       int startPos = i * numPairsPerProcessor;
+                                       if(i == processors - 1){
+                                               numPairsPerProcessor = numPairs - i * numPairsPerProcessor;
                                        }
-                       
-                                       /**********************************************************************/
-                                       //This section adds in all lengths that are leaf
-                       
-                                       //if i's chidren are leaves
-                                       if (t->tree[rc].getRChild() == -1) {
-                                               //if rc is a valid group and rc has a BL
-                                               if ((inUsersGroups(t->tree[rc].getGroup(), groups) == true) && (t->tree[rc].getBranchLength() != -1)) {
-                                                       UniqueBL += t->tree[rc].getBranchLength();
-                                                       totalBL += t->tree[rc].getBranchLength(); 
-                                               }
-                                       }
-                       
-                                       if (t->tree[lc].getLChild() == -1) {
-                                               //if lc is a valid group and lc has a BL
-                                               if ((inUsersGroups(t->tree[lc].getGroup(), groups) == true) && (t->tree[lc].getBranchLength() != -1)) {
-                                                       UniqueBL += t->tree[lc].getBranchLength();
-                                                       totalBL += t->tree[lc].getBranchLength(); 
-                                               }
-                                       }
-                       
-                                       /**********************************************************************/
+                                       lines.push_back(linePair(startPos, numPairsPerProcessor));
                                }
-               
-                               UW = (UniqueBL / totalBL);  
-       
-                               if (isnan(UW) || isinf(UW)) { UW = 0; }
+                                       
+                               data = createProcesses(t, namesOfGroupCombos, true);
+                               
+                               lines.clear();
+                       }
+               #else
+                       data = driver(t, namesOfGroupCombos, 0, namesOfGroupCombos.size(), true);
+               #endif
        
-                               data[count] = UW;
-                               count++;
-                               groups.clear();
+               return data;
+       }
+       catch(exception& e) {
+               m->errorOut(e, "Unweighted", "getValues");
+               exit(1);
+       }
+}
+/**************************************************************************************************/
+
+EstOutput Unweighted::createProcesses(Tree* t, vector< vector<string> > namesOfGroupCombos, bool usingGroups) {
+       try {
+#if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
+               int process = 1;
+               vector<int> processIDS;
+               
+               EstOutput results;
+               
+               //loop through and create all the processes you want
+               while (process != processors) {
+                       int pid = fork();
+                       
+                       if (pid > 0) {
+                               processIDS.push_back(pid);  //create map from line number to pid so you can append files in correct order later
+                               process++;
+                       }else if (pid == 0){
+                               EstOutput myresults;
+                               myresults = driver(t, namesOfGroupCombos, lines[process].start, lines[process].num, usingGroups);
+                               
+                               if (m->control_pressed) { exit(0); }
+                               
+                               //pass numSeqs to parent
+                               ofstream out;
+                               string tempFile = outputDir + toString(getpid()) + ".unweighted.results.temp";
+                               m->openOutputFile(tempFile, out);
+                               out << myresults.size() << endl;
+                               for (int i = 0; i < myresults.size(); i++) {  out << myresults[i] << '\t';  } out << endl;
+                               out.close();
+                               
+                               exit(0);
+                       }else { 
+                               m->mothurOut("[ERROR]: unable to spawn the necessary processes."); m->mothurOutEndLine(); 
+                               for (int i = 0; i < processIDS.size(); i++) { kill (processIDS[i], SIGINT); }
+                               exit(0); 
                        }
                }
                
+               results = driver(t, namesOfGroupCombos, lines[0].start, lines[0].num, usingGroups);
                
-               if (numComp != 1) {
-                       if (numGroups == 0) {
-                               //get score for all users groups
-                               for (int i = 0; i < tmap->namesOfGroups.size(); i++) {
-                                       groups.push_back(tmap->namesOfGroups[i]);
-                               }
-                       }else {
-                               for (int i = 0; i < globaldata->Groups.size(); i++) {
-                                       groups.push_back(globaldata->Groups[i]);
+               //force parent to wait until all the processes are done
+               for (int i=0;i<(processors-1);i++) { 
+                       int temp = processIDS[i];
+                       wait(&temp);
+               }
+               
+               if (m->control_pressed) { return results; }
+               
+               //get data created by processes
+               for (int i=0;i<(processors-1);i++) { 
+                       ifstream in;
+                       string s = outputDir + toString(processIDS[i]) + ".unweighted.results.temp";
+                       m->openInputFile(s, in);
+                       
+                       //get quantiles
+                       if (!in.eof()) {
+                               int num;
+                               in >> num; m->gobble(in);
+                                       
+                               if (m->control_pressed) { break; }
+                               
+                               double w; 
+                               for (int j = 0; j < num; j++) {
+                                       in >> w;
+                                       
+                                       results.push_back(w);
                                }
+                               m->gobble(in);
                        }
+                       in.close();
+                       remove(s.c_str());
+               }
                
-                       UniqueBL=0.0000;  //a branch length is unique if it's chidren are from the same group
-                       totalBL = 0.00; //all branch lengths
-                       UW = 0.00;              //Unweighted Value = UniqueBL / totalBL;
-                       copyIpcount.clear();
+               return results;
+#endif         
+       }
+       catch(exception& e) {
+               m->errorOut(e, "Unweighted", "createProcesses");
+               exit(1);
+       }
+}
+/**************************************************************************************************/
+EstOutput Unweighted::driver(Tree* t, vector< vector<string> > namesOfGroupCombos, int start, int num, bool usingGroups) { 
+ try {
+               
+               EstOutput results; results.resize(num);
+               
+               int count = 0;
+               int numLeaves = t->getNumLeaves();
+               
+               Tree* copyTree = new Tree;
+               
+               for (int h = start; h < (start+num); h++) {
+               
+                       if (m->control_pressed) { return results; }
                
                        //copy random tree passed in
                        copyTree->getCopy(t);
                                
-                       //swap labels in all the groups you want to compare
-                       copyTree->assembleRandomUnifracTree(groups);
-
-                       for(int i=t->getNumLeaves();i<t->getNumNodes();i++){
-               
-                               int lc = t->tree[i].getLChild();  //lc = vector index of left child
-                               int rc = t->tree[i].getRChild();  //rc = vector index of right child
-                       
-                               /**********************************************************************/
-                               //This section adds in all lengths that are non leaf
-                       
-                               copyIpcount = t->tree[i].pcount;
-                               for (it = copyIpcount.begin(); it != copyIpcount.end(); it++) {
-                                       if (inUsersGroups(it->first, groups) != true) { copyIpcount.erase(it->first);   }
-                               }
-                       
-                               //if i's children are from the same group then i's pcount size will be 1 
-                               //if copyIpcount.size() = 0 they are from a branch that is entirely from a group the user doesn't want
-                               if (copyIpcount.size() == 0) { }
-                               else if ((t->tree[i].getBranchLength() != -1) && (copyIpcount.size() == 1)) {  UniqueBL += t->tree[i].getBranchLength();        }
+                       //swap labels in the groups you want to compare
+                       copyTree->assembleRandomUnifracTree(namesOfGroupCombos[h]);
+                       
+                       double UniqueBL=0.0000;  //a branch length is unique if it's chidren are from the same group
+                       double totalBL = 0.00;  //all branch lengths
+                       double UW = 0.00;               //Unweighted Value = UniqueBL / totalBL;
+                       map<int, double> tempTotals; //maps node to total Branch Length
+                       map<int, int> nodePcountSize; //maps node to pcountSize
+                               
+                       for(int i=0;i<copyTree->getNumNodes();i++){
                        
-                               //add i's BL to total if it is from the groups the user wants
-                               if ((t->tree[i].getBranchLength() != -1) && (copyIpcount.size() != 0)) {  
-                                       totalBL += t->tree[i].getBranchLength(); 
+                               if (m->control_pressed) {  return data; }
+                               
+                               //pcountSize = 0, they are from a branch that is entirely from a group the user doesn't want
+                               //pcountSize = 2, not unique to one group
+                               //pcountSize = 1, unique to one group
+                               
+                               int pcountSize = 0;
+                               for (int j = 0; j < namesOfGroupCombos[h].size(); j++) {
+                                       map<string, int>::iterator itGroup = copyTree->tree[i].pcount.find(namesOfGroupCombos[h][j]);
+                                       if (itGroup != copyTree->tree[i].pcount.end()) { pcountSize++; if (pcountSize > 1) { break; } } 
                                }
+                               
+                               nodePcountSize[i] = pcountSize;
                        
-                               /**********************************************************************/
-                               //This section adds in all lengths that are leaf
-                       
-                               //if i's chidren are leaves
-                               if (t->tree[rc].getRChild() == -1) {
-                                       //if rc is a valid group and rc has a BL
-                                       if ((inUsersGroups(t->tree[rc].getGroup(), groups) == true) && (t->tree[rc].getBranchLength() != -1)) {
-                                               UniqueBL += t->tree[rc].getBranchLength();
-                                               totalBL += t->tree[rc].getBranchLength(); 
+                               if (pcountSize == 0) { }
+                               else if ((copyTree->tree[i].getBranchLength() != -1) && (pcountSize == 1)) {  UniqueBL += abs(copyTree->tree[i].getBranchLength());      }
+                               
+                               //if you are a leaf from a users group add to total
+                               if (i < numLeaves) {
+                                       if ((copyTree->tree[i].getBranchLength() != -1) && pcountSize != 0) { 
+                                               totalBL += abs(copyTree->tree[i].getBranchLength()); 
                                        }
-                               }
-                       
-                               if (t->tree[lc].getLChild() == -1) {
-                                       //if lc is a valid group and lc has a BL
-                                       if ((inUsersGroups(t->tree[lc].getGroup(), groups) == true) && (t->tree[lc].getBranchLength() != -1)) {
-                                               UniqueBL += t->tree[lc].getBranchLength();
-                                               totalBL += t->tree[lc].getBranchLength(); 
+                                       tempTotals[i] = 0.0;  //we don't care about you, or we have already added you
+                               }else{ //if you are not a leaf 
+                                       //do both your chidren have have descendants from the users groups? 
+                                       int lc = copyTree->tree[i].getLChild();
+                                       int rc = copyTree->tree[i].getRChild();
+                                       
+                                       //if yes, add your childrens tempTotals
+                                       if ((nodePcountSize[lc] != 0) && (nodePcountSize[rc] != 0)) {
+                                               totalBL += tempTotals[lc] + tempTotals[rc]; 
+                                               
+                                               if (copyTree->tree[i].getBranchLength() != -1) {
+                                                       tempTotals[i] = abs(copyTree->tree[i].getBranchLength());
+                                               }else {
+                                                       tempTotals[i] = 0.0;
+                                               }
+                                       }else if ((nodePcountSize[lc] == 0) && (nodePcountSize[rc] == 0)) { tempTotals[i] = 0.0;  //we don't care about you
+                                       }else { //if no, your tempTotal is your childrens temp totals + your branch length
+                                               tempTotals[i] = tempTotals[lc] + tempTotals[rc] + abs(copyTree->tree[i].getBranchLength()); 
                                        }
+                                       
                                }
-                       
-                               /**********************************************************************/
+
                        }
                
                        UW = (UniqueBL / totalBL);  
        
                        if (isnan(UW) || isinf(UW)) { UW = 0; }
        
-                       data[count] = UW;
-               }
+                       results[count] = UW;
+                       count++;
 
-               return data;
-       
+               }
+               
+               delete copyTree;
+               
+               return results; 
        }
        catch(exception& e) {
-               cout << "Standard Error: " << e.what() << " has occurred in the Unweighted class Function getValues. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
-               exit(1);
-       }
-       catch(...) {
-               cout << "An unknown error has occurred in the Unweighted class function getValues. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
+               m->errorOut(e, "Unweighted", "driver");
                exit(1);
        }
 }
-
-
+/**************************************************************************************************/