1 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
4 //
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
10
11 #![macro_escape]
12 #![doc(hidden)]
13
14 macro_rules! assert_approx_eq(
15 ($a:expr, $b:expr) => ({
16 let (a, b) = (&$a, &$b);
17 assert!((*a - *b).abs() < 1.0e-6,
18 "{} is not approximately equal to {}", *a, *b);
19 })
20 )