Function initThresholdFile

tools/cpp/getLinearInput.hpp:31–48

}

static void initThresholdFile(const std::string& filename = "thresholds.json") {
    std::lock_guard<std::mutex> lock(thresholdFileMutex);
    
    if (thresholdFile.is_open()) {
        thresholdFile.close();
    }
    
    currentThresholdFile = filename;
    thresholdFile.open(filename, std::ios::out);
    if (thresholdFile.is_open()) {
        thresholdFile << "{\n";
        thresholdFile.flush();
        isFirstThreshold = true;
        MNN_PRINT("Initialized threshold file: %s\n", filename.c_str());
    } else {
        MNN_ERROR("Failed to open threshold file: %s\n", filename.c_str());
    }
}

static void writeThresholdRealtime(const std::string& opName, float thresholdValue) {
    std::lock_guard<std::mutex> lock(thresholdFileMutex);