2 pub trait Inv {  interface
12     /// use num_traits::Inv;
14     /// assert_eq!(7.0.inv() * 7.0, 1.0);
15     /// assert_eq!((-0.0).inv(), -INFINITY);
17     fn inv(self) -> Self::Output;  in inv()  method
20 impl Inv for f32 {
23     fn inv(self) -> f32 {  in inv()  method
27 impl Inv for f64 {
30     fn inv(self) -> f64 {  in inv()  method
34 impl<'a> Inv for &'a f32 {  impl
37     fn inv(self) -> f32 {  in inv()  method
41 impl<'a> Inv for &'a f64 {  impl
44     fn inv(self) -> f64 {  in inv()  method