Function rcudnn::cudnnGetConvolutionBackwardFilterWorkspaceSize

pub unsafe extern "C" fn cudnnGetConvolutionBackwardFilterWorkspaceSize(
    handle: *mut cudnnContext, 
    xDesc: *mut cudnnTensorStruct, 
    dyDesc: *mut cudnnTensorStruct, 
    convDesc: *mut cudnnConvolutionStruct, 
    gradDesc: *mut cudnnFilterStruct, 
    algo: cudnnConvolutionBwdFilterAlgo_t, 
    sizeInBytes: *mut usize
) -> cudnnStatus_t