Function rcudnn::cudnnRNNBackwardWeights_v8

pub unsafe extern "C" fn cudnnRNNBackwardWeights_v8(
    handle: *mut cudnnContext,
    rnnDesc: *mut cudnnRNNStruct,
    addGrad: cudnnWgradMode_t,
    devSeqLengths: *const i32,
    xDesc: *mut cudnnRNNDataStruct,
    x: *const c_void,
    hDesc: *mut cudnnTensorStruct,
    hx: *const c_void,
    yDesc: *mut cudnnRNNDataStruct,
    y: *const c_void,
    weightSpaceSize: usize,
    dweightSpace: *mut c_void,
    workSpaceSize: usize,
    workSpace: *mut c_void,
    reserveSpaceSize: usize,
    reserveSpace: *mut c_void
) -> cudnnStatus_t