Function gaussian_noise

src/models/ace_step/diffusion.cpp:538–544

}

int64_t python_round_nonnegative(float value) {
    if (value < 0.0F) {
        throw std::runtime_error("ACE-Step diffusion expected a nonnegative value for Python-style rounding");
    }
    const double x = static_cast<double>(value);
    const double floor_value = std::floor(x);
    const double fraction = x - floor_value;
    int64_t rounded = static_cast<int64_t>(floor_value);
    if (fraction > 0.5) {
        ++rounded;