Function rcudnn::cudnnGetActivationDescriptor

pub unsafe extern "C" fn cudnnGetActivationDescriptor(
    activationDesc: *mut cudnnActivationStruct, 
    mode: *mut cudnnActivationMode_t, 
    reluNanOpt: *mut cudnnNanPropagation_t, 
    coef: *mut f64
) -> cudnnStatus_t