Function rcudnn_sys::cudnnGetReductionWorkspaceSize

pub unsafe extern "C" fn cudnnGetReductionWorkspaceSize(
    handle: cudnnHandle_t, 
    reduceTensorDesc: cudnnReduceTensorDescriptor_t, 
    aDesc: cudnnTensorDescriptor_t, 
    cDesc: cudnnTensorDescriptor_t, 
    sizeInBytes: *mut usize
) -> cudnnStatus_t