finitediff::array::hessian

Function central_hessian_vec_prod_const

Source 
pub fn central_hessian_vec_prod_const<const N: usize, F>(
    x: &[F; N],
    grad: &'_ dyn Fn(&[F; N]) -> Result<[F; N], Error>,
    p: &[F; N],
) -> Result<[F; N], Error>
where
    F: Float + FromPrimitive,