Method freqToBin

src/fl/audio/fft/fft.cpp.hpp:111–122

}

int Bins::freqToBin(float freq) const {
    int nbands = static_cast<int>(mBinsRaw.size());
    if (nbands <= 1) return 0;
    if (freq <= mFmin) return 0;
    if (freq >= mFmax) return nbands - 1;
    float m = fl::logf(mFmax / mFmin);
    float bin = fl::logf(freq / mFmin) / m * static_cast<float>(nbands - 1);
    int result = static_cast<int>(bin + 0.5f);
    if (result < 0) return 0;
    if (result >= nbands) return nbands - 1;
    return result;
}

float Bins::binBoundary(int i) const {
    float f_i = binToFreq(i);