2025-07-02 17:39:44 +00:00
37 changed files with 214 additions and 3644 deletions
--- a/src/main/RocAuc.cpp
+++ b/src/main/RocAuc.cpp
@@ -48,6 +48,7 @@ namespace platform {
        double tp = 0, fp = 0;
        double totalPos = std::count(y_test.begin(), y_test.end(), classIdx);
        double totalNeg = nSamples - totalPos;
+        if (totalPos == 0 || totalNeg == 0) return 0.5; // neutral AUC

        for (const auto& [score, label] : scoresAndLabels) {
            if (label == 1) {