Function printAccuracyReport

tests/profile/fft_cq_compare.cpp:204–248

static const int NUM_MODES = 4;

static void printAccuracyReport(int samples, int bands, float fmin,
                                float fmax, int sampleRate) {
    const float testFreqs[] = {200.0f, 330.0f, 440.0f, 660.0f, 880.0f,
                               1000.0f, 1500.0f, 2000.0f, 3000.0f, 4000.0f};
    const int nFreqs = 10;

    fl::vector<AccuracyResult> results;

    fl::printf("======================================================\n");
    fl::printf("    FFT Mode Accuracy Comparison\n");
    fl::printf("======================================================\n");

    for (int m = 0; m < NUM_MODES; m++) {
        runAccuracyTest(MODES[m].mode, MODES[m].label, samples, bands,
                        fmin, fmax, sampleRate, testFreqs, nFreqs, results);
    }

    fl::printf("\n--- %.1f-%.1f Hz, %d bins ---\n", fmin, fmax, bands);
    fl::printf("%-12s %8s %8s %8s %6s %8s\n",
               "Mode", "SineHz", "ExpHz", "GotHz", "BinErr", "Leakage");
    fl::printf("-------------------------------------------------------------\n");
    for (const auto &r : results) {
        fl::printf("%-12s %7.0f %8.1f %8.1f %5d  %6.1f%%\n",
                   r.modeName, r.testFreq, r.expectedBinFreq,
                   r.actualBinFreq, r.binError, r.leakage * 100.0f);
    }

    // Average leakage per mode
    fl::printf("\n--- Average Leakage by Mode ---\n");
    for (int m = 0; m < NUM_MODES; m++) {
        float totalLeak = 0.0f;
        int count = 0;
        for (const auto &r : results) {
            if (fl::strcmp(r.modeName, MODES[m].label) == 0) {
                totalLeak += r.leakage;
                count++;
            }
        }
        if (count > 0) {
            fl::printf("  %-12s avg leakage: %5.1f%%\n", MODES[m].label,
                       totalLeak / static_cast<float>(count) * 100.0f);
        }
    }
    fl::printf("\n");
}

static void benchSignal(const char *signalName,
                        fl::span<const fl::i16> signal, int bands,