Function polymers::physics::single_chain::efjc::thermodynamics::isometric::asymptotic::legendre::nondimensional_relative_helmholtz_free_energy_per_link

pub fn nondimensional_relative_helmholtz_free_energy_per_link(
    nondimensional_link_stiffness: &f64,
    nondimensional_end_to_end_length_per_link: &f64
) -> f64

The nondimensional relative Helmholtz free energy per link as a function of the nondimensional end-to-end length per link, parameterized by the nondimensional link stiffness.