Function rcudnn::cudnnFindConvolutionBackwardDataAlgorithmEx

pub unsafe extern "C" fn cudnnFindConvolutionBackwardDataAlgorithmEx(
    handle: *mut cudnnContext, 
    wDesc: *mut cudnnFilterStruct, 
    w: *const c_void, 
    dyDesc: *mut cudnnTensorStruct, 
    dy: *const c_void, 
    convDesc: *mut cudnnConvolutionStruct, 
    dxDesc: *mut cudnnTensorStruct, 
    dx: *mut c_void, 
    requestedAlgoCount: i32, 
    returnedAlgoCount: *mut i32, 
    perfResults: *mut cudnnConvolutionBwdDataAlgoPerfStruct, 
    workSpace: *mut c_void, 
    workSpaceSizeInBytes: usize
) -> cudnnStatus_t