diff options
Diffstat (limited to 'src/libstd/f64.rs')
| -rw-r--r-- | src/libstd/f64.rs | 60 |
1 files changed, 15 insertions, 45 deletions
diff --git a/src/libstd/f64.rs b/src/libstd/f64.rs index 798738e50a7..ff222fc8539 100644 --- a/src/libstd/f64.rs +++ b/src/libstd/f64.rs @@ -133,8 +133,6 @@ impl f64 { /// # Examples /// /// ``` - /// use std::f64; - /// /// let x = 3.5_f64; /// let y = -3.5_f64; /// @@ -162,8 +160,6 @@ impl f64 { /// # Examples /// /// ``` - /// use std::f64; - /// /// let f = 3.5_f64; /// /// assert_eq!(f.signum(), 1.0); @@ -188,8 +184,6 @@ impl f64 { /// # Examples /// /// ``` - /// use std::f64; - /// /// let f = 3.5_f64; /// /// assert_eq!(f.copysign(0.42), 3.5_f64); @@ -554,9 +548,7 @@ impl f64 { /// # Examples /// /// ``` - /// use std::f64; - /// - /// let x = f64::consts::FRAC_PI_2; + /// let x = std::f64::consts::FRAC_PI_2; /// /// let abs_difference = (x.sin() - 1.0).abs(); /// @@ -574,9 +566,7 @@ impl f64 { /// # Examples /// /// ``` - /// use std::f64; - /// - /// let x = 2.0 * f64::consts::PI; + /// let x = 2.0 * std::f64::consts::PI; /// /// let abs_difference = (x.cos() - 1.0).abs(); /// @@ -594,9 +584,7 @@ impl f64 { /// # Examples /// /// ``` - /// use std::f64; - /// - /// let x = f64::consts::FRAC_PI_4; + /// let x = std::f64::consts::FRAC_PI_4; /// let abs_difference = (x.tan() - 1.0).abs(); /// /// assert!(abs_difference < 1e-14); @@ -615,12 +603,10 @@ impl f64 { /// # Examples /// /// ``` - /// use std::f64; - /// - /// let f = f64::consts::FRAC_PI_2; + /// let f = std::f64::consts::FRAC_PI_2; /// /// // asin(sin(pi/2)) - /// let abs_difference = (f.sin().asin() - f64::consts::FRAC_PI_2).abs(); + /// let abs_difference = (f.sin().asin() - std::f64::consts::FRAC_PI_2).abs(); /// /// assert!(abs_difference < 1e-10); /// ``` @@ -638,12 +624,10 @@ impl f64 { /// # Examples /// /// ``` - /// use std::f64; - /// - /// let f = f64::consts::FRAC_PI_4; + /// let f = std::f64::consts::FRAC_PI_4; /// /// // acos(cos(pi/4)) - /// let abs_difference = (f.cos().acos() - f64::consts::FRAC_PI_4).abs(); + /// let abs_difference = (f.cos().acos() - std::f64::consts::FRAC_PI_4).abs(); /// /// assert!(abs_difference < 1e-10); /// ``` @@ -684,8 +668,6 @@ impl f64 { /// # Examples /// /// ``` - /// use std::f64; - /// /// // Positive angles measured counter-clockwise /// // from positive x axis /// // -pi/4 radians (45 deg clockwise) @@ -696,8 +678,8 @@ impl f64 { /// let x2 = -3.0_f64; /// let y2 = 3.0_f64; /// - /// let abs_difference_1 = (y1.atan2(x1) - (-f64::consts::FRAC_PI_4)).abs(); - /// let abs_difference_2 = (y2.atan2(x2) - (3.0 * f64::consts::FRAC_PI_4)).abs(); + /// let abs_difference_1 = (y1.atan2(x1) - (-std::f64::consts::FRAC_PI_4)).abs(); + /// let abs_difference_2 = (y2.atan2(x2) - (3.0 * std::f64::consts::FRAC_PI_4)).abs(); /// /// assert!(abs_difference_1 < 1e-10); /// assert!(abs_difference_2 < 1e-10); @@ -715,9 +697,7 @@ impl f64 { /// # Examples /// /// ``` - /// use std::f64; - /// - /// let x = f64::consts::FRAC_PI_4; + /// let x = std::f64::consts::FRAC_PI_4; /// let f = x.sin_cos(); /// /// let abs_difference_0 = (f.0 - x.sin()).abs(); @@ -758,9 +738,7 @@ impl f64 { /// # Examples /// /// ``` - /// use std::f64; - /// - /// let x = f64::consts::E - 1.0; + /// let x = std::f64::consts::E - 1.0; /// /// // ln(1 + (e - 1)) == ln(e) == 1 /// let abs_difference = (x.ln_1p() - 1.0).abs(); @@ -779,9 +757,7 @@ impl f64 { /// # Examples /// /// ``` - /// use std::f64; - /// - /// let e = f64::consts::E; + /// let e = std::f64::consts::E; /// let x = 1.0_f64; /// /// let f = x.sinh(); @@ -803,9 +779,7 @@ impl f64 { /// # Examples /// /// ``` - /// use std::f64; - /// - /// let e = f64::consts::E; + /// let e = std::f64::consts::E; /// let x = 1.0_f64; /// let f = x.cosh(); /// // Solving cosh() at 1 gives this result @@ -827,9 +801,7 @@ impl f64 { /// # Examples /// /// ``` - /// use std::f64; - /// - /// let e = f64::consts::E; + /// let e = std::f64::consts::E; /// let x = 1.0_f64; /// /// let f = x.tanh(); @@ -893,9 +865,7 @@ impl f64 { /// # Examples /// /// ``` - /// use std::f64; - /// - /// let e = f64::consts::E; + /// let e = std::f64::consts::E; /// let f = e.tanh().atanh(); /// /// let abs_difference = (f - e).abs(); |