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use crate::algebra::{
    abstr::Real,
    linear::{Matrix, Vector},
};

pub trait Optim<T>
    where T: Real
{
    fn eval(&self, _x: &Vector<T>) -> Vector<T>
    {
        unimplemented!();
    }

    // Computes the Jacobian at the given x
    fn jacobian(&self, _x: &Vector<T>) -> Matrix<T>
    {
        unimplemented!();
    }

    /// Computes the Hessian at the given value x
    fn hessian(&self, _x: &Vector<T>) -> Matrix<T>
    {
        unimplemented!();
    }
}