1*9ba83ac0SJeremy L Thompson // Copyright (c) 2017-2026, Lawrence Livermore National Security, LLC and other CEED contributors. 23eb59678SJeremy L Thompson // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. 33eb59678SJeremy L Thompson // 43eb59678SJeremy L Thompson // SPDX-License-Identifier: BSD-2-Clause 53eb59678SJeremy L Thompson // 63eb59678SJeremy L Thompson // This file is part of CEED: http://github.com/ceed 73eb59678SJeremy L Thompson 83eb59678SJeremy L Thompson use clap::Parser; 93eb59678SJeremy L Thompson 103eb59678SJeremy L Thompson // ---------------------------------------------------------------------------- 113eb59678SJeremy L Thompson // Command line arguments 123eb59678SJeremy L Thompson // ---------------------------------------------------------------------------- 133eb59678SJeremy L Thompson #[derive(Debug, Parser)] 143eb59678SJeremy L Thompson #[command( 153eb59678SJeremy L Thompson name = "libCEED Rust Example 4 - Vector Surface Area", 163eb59678SJeremy L Thompson about = "This example illustrates a simple usage of libCEED to compute the surface area of a body using matrix-free application of a 3 component vector diffusion operator." 173eb59678SJeremy L Thompson )] 183eb59678SJeremy L Thompson pub(crate) struct Opt { 193eb59678SJeremy L Thompson /// libCEED backend resource to use 203eb59678SJeremy L Thompson #[arg(name = "CEED", short, long = "ceed", default_value = "/cpu/self")] 213eb59678SJeremy L Thompson pub(crate) ceed_spec: String, 223eb59678SJeremy L Thompson /// Mesh dimension 233eb59678SJeremy L Thompson #[arg(short, long = "dimension", default_value = "3")] 243eb59678SJeremy L Thompson pub(crate) dim: usize, 253eb59678SJeremy L Thompson /// Polynomial degree for the mesh 263eb59678SJeremy L Thompson #[arg(short, long, default_value = "4")] 273eb59678SJeremy L Thompson pub(crate) mesh_degree: usize, 283eb59678SJeremy L Thompson /// Polynomial degree for the solution 293eb59678SJeremy L Thompson #[arg(short = 'p', long, default_value = "4")] 303eb59678SJeremy L Thompson pub(crate) solution_degree: usize, 313eb59678SJeremy L Thompson /// Number of quadrature points in 1D 323eb59678SJeremy L Thompson #[arg(short = 'q', long, default_value = "6")] 333eb59678SJeremy L Thompson pub(crate) num_qpts: usize, 343eb59678SJeremy L Thompson /// Approximate problem size 353eb59678SJeremy L Thompson #[arg(name = "DoF", short = 's', long = "problem_size", default_value = "-1")] 363eb59678SJeremy L Thompson pub(crate) problem_size_requested: i64, 373eb59678SJeremy L Thompson /// Test mode 383eb59678SJeremy L Thompson #[arg(short, long)] 393eb59678SJeremy L Thompson pub(crate) test: bool, 403eb59678SJeremy L Thompson /// Quiet mode 413eb59678SJeremy L Thompson #[arg(short = 'x', long)] 423eb59678SJeremy L Thompson pub(crate) quiet: bool, 433eb59678SJeremy L Thompson /// Use QFunctions from the Gallery instead of example 443eb59678SJeremy L Thompson #[arg(short, long)] 453eb59678SJeremy L Thompson pub(crate) gallery: bool, 463eb59678SJeremy L Thompson } 473eb59678SJeremy L Thompson 483eb59678SJeremy L Thompson // ---------------------------------------------------------------------------- 49