isogeometric_analysis/core/size.rs
1/*
2 * Project: Approximation and Finite Elements in Isogeometric Problems
3 * Author: Luca Carlon
4 * Date: 2021.11.01
5 *
6 * Copyright (c) 2021 Luca Carlon. All rights reserved.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 3 of the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public License
19 * along with this program; if not, write to the Free Software Foundation,
20 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
21 */
22
23///
24/// Size represents a size with width and height.
25///
26#[derive(Debug)]
27pub struct Size {
28 pub width: usize,
29 pub height: usize
30}
31
32impl Size {
33 ///
34 /// Determines if width or height or both are zero.
35 ///
36 pub fn is_empty(&self) -> bool {
37 if self.width <= 0 || self.height <= 0 { true } else { false }
38 }
39}
40
41impl PartialEq for Size {
42 fn eq(&self, other: &Self) -> bool {
43 self.width == other.width && self.height == other.height
44 }
45}
46
47#[cfg(test)]
48mod tests {
49 use crate::core::Size;
50
51 #[test]
52 fn test_empty() {
53 assert_eq!(Size {
54 width: 0,
55 height: 0
56 }.is_empty(), true);
57 }
58
59 #[test]
60 fn test_equality() {
61 assert_eq!(Size {
62 width: 10,
63 height: 20
64 }, Size {
65 width: 10,
66 height: 20
67 });
68
69 assert_ne!(Size {
70 width: 10,
71 height: 20
72 }, Size {
73 width: 11,
74 height: 20
75 });
76 }
77}