Function round_up_to_multiple

src/models/stable_audio/same_autoencoder.cpp:40–45

constexpr float kPi = 3.14159265358979323846F;

int64_t round_up_to_multiple(int64_t value, int64_t multiple) {
    if (multiple <= 0) {
        throw std::runtime_error("Stable Audio SAME alignment multiple must be positive");
    }
    return ((value + multiple - 1) / multiple) * multiple;
}

int64_t decoder_graph_latents(const StableAudioConfig & config, int64_t latent_tokens, bool chunked) {
    if (chunked && latent_tokens > kSameChunkLatents) {