| // Copyright 2014 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| #![doc(hidden)] |
| |
| macro_rules! assert_approx_eq { |
| ($a:expr, $b:expr) => ({ |
| use num::Float; |
| let (a, b) = (&$a, &$b); |
| assert!((*a - *b).abs() < 1.0e-6, |
| "{} is not approximately equal to {}", *a, *b); |
| }) |
| } |