rust/src/libstd/num/float_macros.rs

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// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
2013-05-06 06:51:48 -05:00
// 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.
#![experimental]
#![macro_escape]
#![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);
})
}