Modified code to save the true labels along with top k predicted labels and fixes one bug

src/ProtoNN/ProtoNNPredictor.cpp

@@ -608,14 +608,14 @@ void ProtoNNPredictor::getTopKScoresBatch(
 }
 
 
-void ProtoNNPredictor::saveTopKScores(std::string filename, int k)
+void ProtoNNPredictor::saveTopKScores(std::string filename, int topk)
 {
   dataCount_t n;
   n = testData.Xtest.cols();
   assert(n > 0);
 
-  if (k < 1)
-    k = 5;
+  if (topk < 1)
+    topk = 5;
 
   if (filename.empty())
     filename = outDir + "/predicted_scores.txt";
@@ -629,12 +629,13 @@ void ProtoNNPredictor::saveTopKScores(std::string filename, int k)
     dataCount_t curBatchSize = (batchSize < n - startIdx)? batchSize : n - startIdx;
     MatrixXuf Yscores = MatrixXuf::Zero(model.hyperParams.l, curBatchSize);
     scoreBatch(Yscores, startIdx, curBatchSize); 
-  
-    getTopKScoresBatch(Yscores, topKindices, topKscores, k); 
+    getTopKScoresBatch(Yscores, topKindices, topKscores, topk); 
 
-    for (Eigen::Index i = 0; i < topKindices.cols(); i++) {
-      for (Eigen::Index j = 0; j < topKindices.rows(); j++) {
-        outfile << topKindices(j, i) << ":" << topKscores(j, i) << "  ";
+    for (Eigen::Index j = 0; j < topKindices.cols(); j++) {
+      for (LabelMatType::InnerIterator it(testData.Ytest, i*batchSize+j); it; ++it)
+        outfile << it.row() << ",  ";
+      for (Eigen::Index k = 0; k < topKindices.rows(); k++) {
+        outfile << topKindices(k, j) << ":" << topKscores(k, j) << "  ";
       }
       outfile << std::endl;
     }