From ceea85a148ec3426edfc00b8353a19c1d2df5dbf Mon Sep 17 00:00:00 2001
From: Brendan Zabarauskas <bjzaba@yahoo.com.au>
Date: Wed, 8 Jan 2014 22:57:31 +1100
Subject: Remove ApproxEq and assert_approx_eq!

This trait seems to stray too far from the mandate of a standard library as implementations may vary between use cases.
---
 src/libextra/num/complex.rs | 2 +-
 src/libextra/stats.rs       | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

(limited to 'src/libextra')

diff --git a/src/libextra/num/complex.rs b/src/libextra/num/complex.rs
index 58af80fefb7..b4795c7e66b 100644
--- a/src/libextra/num/complex.rs
+++ b/src/libextra/num/complex.rs
@@ -268,7 +268,7 @@ mod test {
     #[test]
     fn test_arg() {
         fn test(c: Complex64, arg: f64) {
-            assert!(c.arg().approx_eq(&arg))
+            assert!((c.arg() - arg).abs() < 1.0e-6)
         }
         test(_1_0i, 0.0);
         test(_1_1i, 0.25 * Real::pi());
diff --git a/src/libextra/stats.rs b/src/libextra/stats.rs
index f95c12904ff..7b2dcc53b79 100644
--- a/src/libextra/stats.rs
+++ b/src/libextra/stats.rs
@@ -439,6 +439,14 @@ mod tests {
     use std::io;
     use std::str;
 
+    macro_rules! assert_approx_eq(
+        ($a:expr, $b:expr) => ({
+            let (a, b) = (&$a, &$b);
+            assert!((*a - *b).abs() < 1.0e-6,
+                    "{} is not approximately equal to {}", *a, *b);
+        })
+    )
+
     fn check(samples: &[f64], summ: &Summary) {
 
         let summ2 = Summary::new(samples);
-- 
cgit 1.4.1-3-g733a5