Function rcudnn::cudnnGetRNNTempSpaceSizes

pub unsafe extern "C" fn cudnnGetRNNTempSpaceSizes(
    handle: *mut cudnnContext,
    rnnDesc: *mut cudnnRNNStruct,
    fMode: cudnnForwardMode_t,
    xDesc: *mut cudnnRNNDataStruct,
    workSpaceSize: *mut usize,
    reserveSpaceSize: *mut usize
) -> cudnnStatus_t