Function cuvsProductQuantizerGetUseVq 

pub unsafe extern "C" fn cuvsProductQuantizerGetUseVq(
    quantizer: cuvsProductQuantizer_t,
    use_vq: *mut bool,
) -> cuvsError_t

@brief Get whether VQ is used.

@param[in] quantizer product quantizer @param[out] use_vq whether VQ is used