deviatin: drop epsilon param, it's the default

Author: munckymagik

src/deviation.rs

@@ -321,8 +321,8 @@ mod tests {
         let b = array![3., 5.];
 
         assert_eq!(a.root_mean_sq_dev(&a), 0.);
-        assert_abs_diff_eq!(a.root_mean_sq_dev(&b), 10.0.sqrt(), epsilon = f64::EPSILON);
-        assert_abs_diff_eq!(b.root_mean_sq_dev(&a), 10.0.sqrt(), epsilon = f64::EPSILON);
+        assert_abs_diff_eq!(a.root_mean_sq_dev(&b), 10.0.sqrt());
+        assert_abs_diff_eq!(b.root_mean_sq_dev(&a), 10.0.sqrt());
     }
 
     #[test]
@@ -336,7 +336,7 @@ mod tests {
         let expected = 20. * Float::log10(maxv) - 10. * Float::log10(a.mean_sq_dev(&b));
         let actual = a.peak_signal_to_noise_ratio(&b, maxv);
 
-        assert_abs_diff_eq!(actual, expected, epsilon = f64::EPSILON);
+        assert_abs_diff_eq!(actual, expected);
     }
 
     #[test]
@@ -351,10 +351,10 @@ mod tests {
         assert_eq!(a.l1_dist(&b), 5);
         assert_eq!(a.linf_dist(&b), 2);
 
-        assert_abs_diff_eq!(a.mean_abs_dev(&b), 1.25, epsilon = f64::EPSILON);
+        assert_abs_diff_eq!(a.mean_abs_dev(&b), 1.25);
         assert_eq!(a.max_abs_dev(&b), 2);
-        assert_abs_diff_eq!(a.mean_sq_dev(&b), 2.25, epsilon = f64::EPSILON);
-        assert_abs_diff_eq!(a.root_mean_sq_dev(&b), 1.5, epsilon = f64::EPSILON);
+        assert_abs_diff_eq!(a.mean_sq_dev(&b), 2.25);
+        assert_abs_diff_eq!(a.root_mean_sq_dev(&b), 1.5);
         assert_abs_diff_eq!(
             a.peak_signal_to_noise_ratio(&b, 4),
             8.519374645445623,