Function rcudnn::cudnnGetBatchNormalizationBackwardExWorkspaceSize

pub unsafe extern "C" fn cudnnGetBatchNormalizationBackwardExWorkspaceSize(
    handle: *mut cudnnContext, 
    mode: cudnnBatchNormMode_t, 
    bnOps: cudnnBatchNormOps_t, 
    xDesc: *mut cudnnTensorStruct, 
    yDesc: *mut cudnnTensorStruct, 
    dyDesc: *mut cudnnTensorStruct, 
    dzDesc: *mut cudnnTensorStruct, 
    dxDesc: *mut cudnnTensorStruct, 
    dBnScaleBiasDesc: *mut cudnnTensorStruct, 
    activationDesc: *mut cudnnActivationStruct, 
    sizeInBytes: *mut usize
) -> cudnnStatus_t