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.

1 files changed, 1 insertions, 1 deletions

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());