Trait RealDfEval 

pub trait RealDfEval {
    // Required method
    fn eval_df(&self, x: f64) -> f64;
}

Trait evaluating the derivative df(x) with df: R¹ ⟶ R¹.

Required Methods

fn eval_df(&self, x: f64) -> f64

Implementors

impl<'a, F1, F2> RealDfEval for RealFnAndFirst<'a, F1, F2>

where F1: 'a + ?Sized + Fn(f64) -> f64, F2: 'a + ?Sized + Fn(f64) -> f64,

impl<'a, F1, F2, F3> RealDfEval for RealFnAndFirstSecond<'a, F1, F2, F3>

where F1: 'a + ?Sized + Fn(f64) -> f64, F2: 'a + ?Sized + Fn(f64) -> f64, F3: 'a + ?Sized + Fn(f64) -> f64,