Function apply_cfg_guidance

src/models/ace_step/diffusion.cpp:610–615

    int64_t padded_tokens,
    int64_t hidden_size) {
    if (conditioning.hidden_size != hidden_size || padded_tokens < conditioning.tokens) {
        throw std::runtime_error("ACE-Step diffusion encoder hidden padding request is invalid");
    }
    std::vector<float> padded(static_cast<size_t>(padded_tokens * hidden_size), 0.0F);
    std::copy(conditioning.values.begin(), conditioning.values.end(), padded.begin());
    return padded;
}

std::vector<float> null_encoder_hidden_values(