Function pow2_i64

src/models/heartmula/codec.cpp:52–58

    if (assets.codec_weights == nullptr) {
        throw std::runtime_error("HeartCodec requires codec weights");
    }
}

int64_t pow2_i64(size_t exponent) {
    int64_t value = 1;
    for (size_t i = 0; i < exponent; ++i) {
        value *= 2;
    }
    return value;
}