math_utils/
lib.rs

1//! Math types and traits
2
3#![feature(decl_macro)]
4#![feature(stmt_expr_attributes)]
5
6pub use vek::approx;
7pub use vek::num_traits;
8pub use vek as vek;
9
10pub mod geometry;
11
12mod fixed;
13mod traits;
14mod types;
15
16pub use self::fixed::*;
17pub use self::traits::*;
18pub use self::types::*;
19
20/// 0
21pub const COMPONENT_INDEX_X : usize = 0;
22/// 1
23pub const COMPONENT_INDEX_Y : usize = 1;
24/// 2
25pub const COMPONENT_INDEX_Z : usize = 2;
26/// 3
27pub const COMPONENT_INDEX_W : usize = 3;
28
29
30/// Convenience macro
31#[doc(hidden)]
32#[macro_export]
33macro_rules! show {
34  ($e:expr) => { println!("{}: {:?}", stringify!($e), $e); }
35}
36
37/// Print the sizes of some types
38pub fn report_sizes() {
39  use std::mem::size_of;
40  println!("report sizes...");
41  show!(size_of::<Vector4 <f32>>());
42  show!(size_of::<Matrix2 <f32>>());
43  show!(size_of::<Matrix3 <f32>>());
44  show!(size_of::<Rotation2 <f32>>());
45  show!(size_of::<Rotation3 <f32>>());
46  println!("...report sizes");
47}