#![cfg(test)]
use super::*;
use crate::physics::single_chain::test::Parameters;
mod base
{
use super::*;
use rand::Rng;
#[test]
fn init()
{
let parameters = Parameters::default();
let _ = WLC::init(parameters.number_of_links_minimum, parameters.link_length_reference, parameters.hinge_mass_reference, parameters.persistance_length_reference);
}
#[test]
fn number_of_links()
{
let mut rng = rand::thread_rng();
let parameters = Parameters::default();
for _ in 0..parameters.number_of_loops
{
let number_of_links: u8 = rng.gen_range(parameters.number_of_links_minimum..parameters.number_of_links_maximum);
assert_eq!(number_of_links, WLC::init(number_of_links, parameters.link_length_reference, parameters.hinge_mass_reference, parameters.persistance_length_reference).number_of_links);
}
}
#[test]
fn link_length()
{
let mut rng = rand::thread_rng();
let parameters = Parameters::default();
for _ in 0..parameters.number_of_loops
{
let link_length = parameters.link_length_reference + parameters.link_length_scale*(0.5 - rng.gen::<f64>());
assert_eq!(link_length, WLC::init(parameters.number_of_links_minimum, link_length, parameters.hinge_mass_reference, parameters.persistance_length_reference).link_length);
}
}
#[test]
fn hinge_mass()
{
let mut rng = rand::thread_rng();
let parameters = Parameters::default();
for _ in 0..parameters.number_of_loops
{
let hinge_mass = parameters.hinge_mass_reference + parameters.hinge_mass_scale*(0.5 - rng.gen::<f64>());
assert_eq!(hinge_mass, WLC::init(parameters.number_of_links_minimum, parameters.link_length_reference, hinge_mass, parameters.persistance_length_reference).hinge_mass);
}
}
#[test]
fn persistance_length()
{
let mut rng = rand::thread_rng();
let parameters = Parameters::default();
for _ in 0..parameters.number_of_loops
{
let persistance_length = parameters.persistance_length_reference + parameters.persistance_length_scale*(0.5 - rng.gen::<f64>());
assert_eq!(persistance_length, WLC::init(parameters.number_of_links_minimum, parameters.link_length_reference, parameters.hinge_mass_reference, persistance_length).persistance_length);
}
}
#[test]
fn all_parameters()
{
let mut rng = rand::thread_rng();
let parameters = Parameters::default();
for _ in 0..parameters.number_of_loops
{
let number_of_links: u8 = rng.gen_range(parameters.number_of_links_minimum..parameters.number_of_links_maximum);
let hinge_mass = parameters.hinge_mass_reference + parameters.hinge_mass_scale*(0.5 - rng.gen::<f64>());
let link_length = parameters.link_length_reference + parameters.link_length_scale*(0.5 - rng.gen::<f64>());
let persistance_length = parameters.persistance_length_reference + parameters.persistance_length_scale*(0.5 - rng.gen::<f64>());
let model = WLC::init(number_of_links, link_length, hinge_mass, persistance_length);
assert_eq!(number_of_links, model.number_of_links);
assert_eq!(link_length, model.link_length);
assert_eq!(hinge_mass, model.hinge_mass);
assert_eq!(persistance_length, model.persistance_length);
}
}
}
mod nondimensional
{
use super::*;
use rand::Rng;
#[test]
fn gibbs_free_energy()
{
let mut rng = rand::thread_rng();
let parameters = Parameters::default();
for _ in 0..parameters.number_of_loops
{
let number_of_links: u8 = rng.gen_range(parameters.number_of_links_minimum..parameters.number_of_links_maximum);
let link_length = parameters.link_length_reference + parameters.link_length_scale*(0.5 - rng.gen::<f64>());
let hinge_mass = parameters.hinge_mass_reference + parameters.hinge_mass_scale*(0.5 - rng.gen::<f64>());
let persistance_length = parameters.persistance_length_reference + parameters.persistance_length_scale*(0.5 - rng.gen::<f64>());
let model = WLC::init(number_of_links, link_length, hinge_mass, persistance_length);
let nondimensional_end_to_end_length_per_link = parameters.nondimensional_end_to_end_length_per_link_reference + parameters.nondimensional_end_to_end_length_per_link_scale*(0.5 - rng.gen::<f64>());
let temperature = parameters.temperature_reference + parameters.temperature_scale*(0.5 - rng.gen::<f64>());
let nondimensional_gibbs_free_energy = model.nondimensional_gibbs_free_energy(&nondimensional_end_to_end_length_per_link, &temperature);
let end_to_end_length = nondimensional_end_to_end_length_per_link*(number_of_links as f64)*link_length;
let gibbs_free_energy = model.gibbs_free_energy(&end_to_end_length, &temperature);
let residual_abs = &gibbs_free_energy/BOLTZMANN_CONSTANT/temperature - &nondimensional_gibbs_free_energy;
let residual_rel = &residual_abs/&nondimensional_gibbs_free_energy;
assert!(residual_abs.abs() <= parameters.abs_tol);
assert!(residual_rel.abs() <= parameters.rel_tol);
}
}
#[test]
fn gibbs_free_energy_per_link()
{
let mut rng = rand::thread_rng();
let parameters = Parameters::default();
for _ in 0..parameters.number_of_loops
{
let number_of_links: u8 = rng.gen_range(parameters.number_of_links_minimum..parameters.number_of_links_maximum);
let link_length = parameters.link_length_reference + parameters.link_length_scale*(0.5 - rng.gen::<f64>());
let hinge_mass = parameters.hinge_mass_reference + parameters.hinge_mass_scale*(0.5 - rng.gen::<f64>());
let persistance_length = parameters.persistance_length_reference + parameters.persistance_length_scale*(0.5 - rng.gen::<f64>());
let model = WLC::init(number_of_links, link_length, hinge_mass, persistance_length);
let nondimensional_end_to_end_length_per_link = parameters.nondimensional_end_to_end_length_per_link_reference + parameters.nondimensional_end_to_end_length_per_link_scale*(0.5 - rng.gen::<f64>());
let temperature = parameters.temperature_reference + parameters.temperature_scale*(0.5 - rng.gen::<f64>());
let nondimensional_gibbs_free_energy_per_link = model.nondimensional_gibbs_free_energy_per_link(&nondimensional_end_to_end_length_per_link, &temperature);
let end_to_end_length = nondimensional_end_to_end_length_per_link*(number_of_links as f64)*link_length;
let gibbs_free_energy_per_link = model.gibbs_free_energy_per_link(&end_to_end_length, &temperature);
let residual_abs = &gibbs_free_energy_per_link/BOLTZMANN_CONSTANT/temperature - &nondimensional_gibbs_free_energy_per_link;
let residual_rel = &residual_abs/&nondimensional_gibbs_free_energy_per_link;
assert!(residual_abs.abs() <= parameters.abs_tol);
assert!(residual_rel.abs() <= parameters.rel_tol);
}
}
#[test]
fn relative_gibbs_free_energy()
{
let mut rng = rand::thread_rng();
let parameters = Parameters::default();
for _ in 0..parameters.number_of_loops
{
let number_of_links: u8 = rng.gen_range(parameters.number_of_links_minimum..parameters.number_of_links_maximum);
let link_length = parameters.link_length_reference + parameters.link_length_scale*(0.5 - rng.gen::<f64>());
let hinge_mass = parameters.hinge_mass_reference + parameters.hinge_mass_scale*(0.5 - rng.gen::<f64>());
let persistance_length = parameters.persistance_length_reference + parameters.persistance_length_scale*(0.5 - rng.gen::<f64>());
let model = WLC::init(number_of_links, link_length, hinge_mass, persistance_length);
let nondimensional_end_to_end_length_per_link = parameters.nondimensional_end_to_end_length_per_link_reference + parameters.nondimensional_end_to_end_length_per_link_scale*(0.5 - rng.gen::<f64>());
let temperature = parameters.temperature_reference + parameters.temperature_scale*(0.5 - rng.gen::<f64>());
let nondimensional_relative_gibbs_free_energy = model.nondimensional_relative_gibbs_free_energy(&nondimensional_end_to_end_length_per_link);
let end_to_end_length = nondimensional_end_to_end_length_per_link*(number_of_links as f64)*link_length;
let relative_gibbs_free_energy = model.relative_gibbs_free_energy(&end_to_end_length, &temperature);
let residual_abs = &relative_gibbs_free_energy/BOLTZMANN_CONSTANT/temperature - &nondimensional_relative_gibbs_free_energy;
let residual_rel = &residual_abs/&nondimensional_relative_gibbs_free_energy;
assert!(residual_abs.abs() <= parameters.abs_tol);
assert!(residual_rel.abs() <= parameters.rel_tol);
}
}
#[test]
fn relative_gibbs_free_energy_per_link()
{
let mut rng = rand::thread_rng();
let parameters = Parameters::default();
for _ in 0..parameters.number_of_loops
{
let number_of_links: u8 = rng.gen_range(parameters.number_of_links_minimum..parameters.number_of_links_maximum);
let link_length = parameters.link_length_reference + parameters.link_length_scale*(0.5 - rng.gen::<f64>());
let hinge_mass = parameters.hinge_mass_reference + parameters.hinge_mass_scale*(0.5 - rng.gen::<f64>());
let persistance_length = parameters.persistance_length_reference + parameters.persistance_length_scale*(0.5 - rng.gen::<f64>());
let model = WLC::init(number_of_links, link_length, hinge_mass, persistance_length);
let nondimensional_end_to_end_length_per_link = parameters.nondimensional_end_to_end_length_per_link_reference + parameters.nondimensional_end_to_end_length_per_link_scale*(0.5 - rng.gen::<f64>());
let temperature = parameters.temperature_reference + parameters.temperature_scale*(0.5 - rng.gen::<f64>());
let nondimensional_relative_gibbs_free_energy_per_link = model.nondimensional_relative_gibbs_free_energy_per_link(&nondimensional_end_to_end_length_per_link);
let end_to_end_length = nondimensional_end_to_end_length_per_link*(number_of_links as f64)*link_length;
let relative_gibbs_free_energy_per_link = model.relative_gibbs_free_energy_per_link(&end_to_end_length, &temperature);
let residual_abs = &relative_gibbs_free_energy_per_link/BOLTZMANN_CONSTANT/temperature - &nondimensional_relative_gibbs_free_energy_per_link;
let residual_rel = &residual_abs/&nondimensional_relative_gibbs_free_energy_per_link;
assert!(residual_abs.abs() <= parameters.abs_tol);
assert!(residual_rel.abs() <= parameters.rel_tol);
}
}
}
mod per_link
{
use super::*;
use rand::Rng;
#[test]
fn gibbs_free_energy()
{
let parameters = Parameters::default();
let mut rng = rand::thread_rng();
for _ in 0..parameters.number_of_loops
{
let number_of_links: u8 = rng.gen_range(parameters.number_of_links_minimum..parameters.number_of_links_maximum);
let link_length = parameters.link_length_reference + parameters.link_length_scale*(0.5 - rng.gen::<f64>());
let hinge_mass = parameters.hinge_mass_reference + parameters.hinge_mass_scale*(0.5 - rng.gen::<f64>());
let persistance_length = parameters.persistance_length_reference + parameters.persistance_length_scale*(0.5 - rng.gen::<f64>());
let model = WLC::init(number_of_links, link_length, hinge_mass, persistance_length);
let nondimensional_end_to_end_length_per_link = parameters.nondimensional_end_to_end_length_per_link_reference + parameters.nondimensional_end_to_end_length_per_link_scale*(0.5 - rng.gen::<f64>());
let end_to_end_length = nondimensional_end_to_end_length_per_link*(number_of_links as f64)*link_length;
let temperature = parameters.temperature_reference + parameters.temperature_scale*(0.5 - rng.gen::<f64>());
let gibbs_free_energy = model.gibbs_free_energy(&end_to_end_length, &temperature);
let gibbs_free_energy_per_link = model.gibbs_free_energy_per_link(&end_to_end_length, &temperature);
let residual_abs = &gibbs_free_energy/(number_of_links as f64) - &gibbs_free_energy_per_link;
let residual_rel = &residual_abs/&gibbs_free_energy_per_link;
assert!(residual_abs.abs() <= parameters.abs_tol);
assert!(residual_rel.abs() <= parameters.rel_tol);
}
}
#[test]
fn relative_gibbs_free_energy()
{
let parameters = Parameters::default();
let mut rng = rand::thread_rng();
for _ in 0..parameters.number_of_loops
{
let number_of_links: u8 = rng.gen_range(parameters.number_of_links_minimum..parameters.number_of_links_maximum);
let link_length = parameters.link_length_reference + parameters.link_length_scale*(0.5 - rng.gen::<f64>());
let hinge_mass = parameters.hinge_mass_reference + parameters.hinge_mass_scale*(0.5 - rng.gen::<f64>());
let persistance_length = parameters.persistance_length_reference + parameters.persistance_length_scale*(0.5 - rng.gen::<f64>());
let model = WLC::init(number_of_links, link_length, hinge_mass, persistance_length);
let nondimensional_end_to_end_length_per_link = parameters.nondimensional_end_to_end_length_per_link_reference + parameters.nondimensional_end_to_end_length_per_link_scale*(0.5 - rng.gen::<f64>());
let end_to_end_length = nondimensional_end_to_end_length_per_link*(number_of_links as f64)*link_length;
let temperature = parameters.temperature_reference + parameters.temperature_scale*(0.5 - rng.gen::<f64>());
let relative_gibbs_free_energy = model.relative_gibbs_free_energy(&end_to_end_length, &temperature);
let relative_gibbs_free_energy_per_link = model.relative_gibbs_free_energy_per_link(&end_to_end_length, &temperature);
let residual_abs = &relative_gibbs_free_energy/(number_of_links as f64) - &relative_gibbs_free_energy_per_link;
let residual_rel = &residual_abs/&relative_gibbs_free_energy_per_link;
assert!(residual_abs.abs() <= parameters.abs_tol);
assert!(residual_rel.abs() <= parameters.rel_tol);
}
}
#[test]
fn nondimensional_gibbs_free_energy()
{
let parameters = Parameters::default();
let mut rng = rand::thread_rng();
for _ in 0..parameters.number_of_loops
{
let number_of_links: u8 = rng.gen_range(parameters.number_of_links_minimum..parameters.number_of_links_maximum);
let link_length = parameters.link_length_reference + parameters.link_length_scale*(0.5 - rng.gen::<f64>());
let hinge_mass = parameters.hinge_mass_reference + parameters.hinge_mass_scale*(0.5 - rng.gen::<f64>());
let persistance_length = parameters.persistance_length_reference + parameters.persistance_length_scale*(0.5 - rng.gen::<f64>());
let model = WLC::init(number_of_links, link_length, hinge_mass, persistance_length);
let nondimensional_end_to_end_length_per_link = parameters.nondimensional_end_to_end_length_per_link_reference + parameters.nondimensional_end_to_end_length_per_link_scale*(0.5 - rng.gen::<f64>());
let temperature = parameters.temperature_reference + parameters.temperature_scale*(0.5 - rng.gen::<f64>());
let nondimensional_gibbs_free_energy = model.nondimensional_gibbs_free_energy(&nondimensional_end_to_end_length_per_link, &temperature);
let nondimensional_gibbs_free_energy_per_link = model.nondimensional_gibbs_free_energy_per_link(&nondimensional_end_to_end_length_per_link, &temperature);
let residual_abs = &nondimensional_gibbs_free_energy/(number_of_links as f64) - &nondimensional_gibbs_free_energy_per_link;
let residual_rel = &residual_abs/&nondimensional_gibbs_free_energy_per_link;
assert!(residual_abs.abs() <= parameters.abs_tol);
assert!(residual_rel.abs() <= parameters.rel_tol);
}
}
#[test]
fn nondimensional_relative_gibbs_free_energy()
{
let parameters = Parameters::default();
let mut rng = rand::thread_rng();
for _ in 0..parameters.number_of_loops
{
let number_of_links: u8 = rng.gen_range(parameters.number_of_links_minimum..parameters.number_of_links_maximum);
let link_length = parameters.link_length_reference + parameters.link_length_scale*(0.5 - rng.gen::<f64>());
let hinge_mass = parameters.hinge_mass_reference + parameters.hinge_mass_scale*(0.5 - rng.gen::<f64>());
let persistance_length = parameters.persistance_length_reference + parameters.persistance_length_scale*(0.5 - rng.gen::<f64>());
let model = WLC::init(number_of_links, link_length, hinge_mass, persistance_length);
let nondimensional_end_to_end_length_per_link = parameters.nondimensional_end_to_end_length_per_link_reference + parameters.nondimensional_end_to_end_length_per_link_scale*(0.5 - rng.gen::<f64>());
let nondimensional_relative_gibbs_free_energy = model.nondimensional_relative_gibbs_free_energy(&nondimensional_end_to_end_length_per_link);
let nondimensional_relative_gibbs_free_energy_per_link = model.nondimensional_relative_gibbs_free_energy_per_link(&nondimensional_end_to_end_length_per_link);
let residual_abs = &nondimensional_relative_gibbs_free_energy/(number_of_links as f64) - &nondimensional_relative_gibbs_free_energy_per_link;
let residual_rel = &residual_abs/&nondimensional_relative_gibbs_free_energy_per_link;
assert!(residual_abs.abs() <= parameters.abs_tol);
assert!(residual_rel.abs() <= parameters.rel_tol);
}
}
}
mod relative
{
use super::*;
use rand::Rng;
use crate::physics::single_chain::ZERO;
#[test]
fn gibbs_free_energy()
{
let parameters = Parameters::default();
let mut rng = rand::thread_rng();
for _ in 0..parameters.number_of_loops
{
let number_of_links: u8 = rng.gen_range(parameters.number_of_links_minimum..parameters.number_of_links_maximum);
let link_length = parameters.link_length_reference + parameters.link_length_scale*(0.5 - rng.gen::<f64>());
let hinge_mass = parameters.hinge_mass_reference + parameters.hinge_mass_scale*(0.5 - rng.gen::<f64>());
let persistance_length = parameters.persistance_length_reference + parameters.persistance_length_scale*(0.5 - rng.gen::<f64>());
let model = WLC::init(number_of_links, link_length, hinge_mass, persistance_length);
let nondimensional_end_to_end_length_per_link = parameters.nondimensional_end_to_end_length_per_link_reference + parameters.nondimensional_end_to_end_length_per_link_scale*(0.5 - rng.gen::<f64>());
let end_to_end_length = nondimensional_end_to_end_length_per_link*(number_of_links as f64)*link_length;
let temperature = parameters.temperature_reference + parameters.temperature_scale*(0.5 - rng.gen::<f64>());
let gibbs_free_energy = model.gibbs_free_energy(&end_to_end_length, &temperature);
let gibbs_free_energy_0 = model.gibbs_free_energy(&(ZERO*(number_of_links as f64)*link_length), &temperature);
let relative_gibbs_free_energy = model.relative_gibbs_free_energy(&end_to_end_length, &temperature);
let residual_abs = &gibbs_free_energy - &gibbs_free_energy_0 - &relative_gibbs_free_energy;
let residual_rel = &residual_abs/&gibbs_free_energy_0;
assert!(residual_rel.abs() <= parameters.rel_tol);
}
}
#[test]
fn gibbs_free_energy_per_link()
{
let parameters = Parameters::default();
let mut rng = rand::thread_rng();
for _ in 0..parameters.number_of_loops
{
let number_of_links: u8 = rng.gen_range(parameters.number_of_links_minimum..parameters.number_of_links_maximum);
let link_length = parameters.link_length_reference + parameters.link_length_scale*(0.5 - rng.gen::<f64>());
let hinge_mass = parameters.hinge_mass_reference + parameters.hinge_mass_scale*(0.5 - rng.gen::<f64>());
let persistance_length = parameters.persistance_length_reference + parameters.persistance_length_scale*(0.5 - rng.gen::<f64>());
let model = WLC::init(number_of_links, link_length, hinge_mass, persistance_length);
let nondimensional_end_to_end_length_per_link = parameters.nondimensional_end_to_end_length_per_link_reference + parameters.nondimensional_end_to_end_length_per_link_scale*(0.5 - rng.gen::<f64>());
let end_to_end_length = nondimensional_end_to_end_length_per_link*(number_of_links as f64)*link_length;
let temperature = parameters.temperature_reference + parameters.temperature_scale*(0.5 - rng.gen::<f64>());
let gibbs_free_energy_per_link = model.gibbs_free_energy_per_link(&end_to_end_length, &temperature);
let gibbs_free_energy_per_link_0 = model.gibbs_free_energy_per_link(&(ZERO*(number_of_links as f64)*link_length), &temperature);
let relative_gibbs_free_energy_per_link = model.relative_gibbs_free_energy_per_link(&end_to_end_length, &temperature);
let residual_abs = &gibbs_free_energy_per_link - &gibbs_free_energy_per_link_0 - &relative_gibbs_free_energy_per_link;
let residual_rel = &residual_abs/&gibbs_free_energy_per_link_0;
assert!(residual_rel.abs() <= parameters.rel_tol);
}
}
#[test]
fn nondimensional_gibbs_free_energy()
{
let parameters = Parameters::default();
let mut rng = rand::thread_rng();
for _ in 0..parameters.number_of_loops
{
let number_of_links: u8 = rng.gen_range(parameters.number_of_links_minimum..parameters.number_of_links_maximum);
let link_length = parameters.link_length_reference + parameters.link_length_scale*(0.5 - rng.gen::<f64>());
let hinge_mass = parameters.hinge_mass_reference + parameters.hinge_mass_scale*(0.5 - rng.gen::<f64>());
let persistance_length = parameters.persistance_length_reference + parameters.persistance_length_scale*(0.5 - rng.gen::<f64>());
let model = WLC::init(number_of_links, link_length, hinge_mass, persistance_length);
let nondimensional_end_to_end_length_per_link = parameters.nondimensional_end_to_end_length_per_link_reference + parameters.nondimensional_end_to_end_length_per_link_scale*(0.5 - rng.gen::<f64>());
let temperature = parameters.temperature_reference + parameters.temperature_scale*(0.5 - rng.gen::<f64>());
let nondimensional_gibbs_free_energy = model.nondimensional_gibbs_free_energy(&nondimensional_end_to_end_length_per_link, &temperature);
let nondimensional_gibbs_free_energy_0 = model.nondimensional_gibbs_free_energy(&ZERO, &temperature);
let nondimensional_relative_gibbs_free_energy = model.nondimensional_relative_gibbs_free_energy(&nondimensional_end_to_end_length_per_link);
let residual_abs = &nondimensional_gibbs_free_energy - &nondimensional_gibbs_free_energy_0 - &nondimensional_relative_gibbs_free_energy;
let residual_rel = &residual_abs/&nondimensional_gibbs_free_energy_0;
assert!(residual_rel.abs() <= parameters.rel_tol);
}
}
#[test]
fn nondimensional_gibbs_free_energy_per_link()
{
let parameters = Parameters::default();
let mut rng = rand::thread_rng();
for _ in 0..parameters.number_of_loops
{
let number_of_links: u8 = rng.gen_range(parameters.number_of_links_minimum..parameters.number_of_links_maximum);
let link_length = parameters.link_length_reference + parameters.link_length_scale*(0.5 - rng.gen::<f64>());
let hinge_mass = parameters.hinge_mass_reference + parameters.hinge_mass_scale*(0.5 - rng.gen::<f64>());
let persistance_length = parameters.persistance_length_reference + parameters.persistance_length_scale*(0.5 - rng.gen::<f64>());
let model = WLC::init(number_of_links, link_length, hinge_mass, persistance_length);
let nondimensional_end_to_end_length_per_link = parameters.nondimensional_end_to_end_length_per_link_reference + parameters.nondimensional_end_to_end_length_per_link_scale*(0.5 - rng.gen::<f64>());
let temperature = parameters.temperature_reference + parameters.temperature_scale*(0.5 - rng.gen::<f64>());
let nondimensional_gibbs_free_energy_per_link = model.nondimensional_gibbs_free_energy_per_link(&nondimensional_end_to_end_length_per_link, &temperature);
let nondimensional_gibbs_free_energy_per_link_0 = model.nondimensional_gibbs_free_energy_per_link(&ZERO, &temperature);
let nondimensional_relative_gibbs_free_energy_per_link = model.nondimensional_relative_gibbs_free_energy_per_link(&nondimensional_end_to_end_length_per_link);
let residual_abs = &nondimensional_gibbs_free_energy_per_link - &nondimensional_gibbs_free_energy_per_link_0 - &nondimensional_relative_gibbs_free_energy_per_link;
let residual_rel = &residual_abs/&nondimensional_gibbs_free_energy_per_link_0;
assert!(residual_rel.abs() <= parameters.rel_tol);
}
}
}
mod zero
{
use super::*;
use rand::Rng;
use crate::physics::single_chain::ZERO;
#[test]
fn relative_gibbs_free_energy()
{
let mut rng = rand::thread_rng();
let parameters = Parameters::default();
for _ in 0..parameters.number_of_loops
{
let number_of_links: u8 = rng.gen_range(parameters.number_of_links_minimum..parameters.number_of_links_maximum);
let link_length = parameters.link_length_reference + parameters.link_length_scale*(0.5 - rng.gen::<f64>());
let hinge_mass = parameters.hinge_mass_reference + parameters.hinge_mass_scale*(0.5 - rng.gen::<f64>());
let persistance_length = parameters.persistance_length_reference + parameters.persistance_length_scale*(0.5 - rng.gen::<f64>());
let model = WLC::init(number_of_links, link_length, hinge_mass, persistance_length);
let temperature = parameters.temperature_reference + parameters.temperature_scale*(0.5 - rng.gen::<f64>());
let relative_gibbs_free_energy_0 = model.relative_gibbs_free_energy(&(ZERO*(number_of_links as f64)*link_length), &temperature);
assert!(relative_gibbs_free_energy_0.abs() <= BOLTZMANN_CONSTANT*temperature*(number_of_links as f64)*ZERO);
}
}
#[test]
fn relative_gibbs_free_energy_per_link()
{
let mut rng = rand::thread_rng();
let parameters = Parameters::default();
for _ in 0..parameters.number_of_loops
{
let number_of_links: u8 = rng.gen_range(parameters.number_of_links_minimum..parameters.number_of_links_maximum);
let link_length = parameters.link_length_reference + parameters.link_length_scale*(0.5 - rng.gen::<f64>());
let hinge_mass = parameters.hinge_mass_reference + parameters.hinge_mass_scale*(0.5 - rng.gen::<f64>());
let persistance_length = parameters.persistance_length_reference + parameters.persistance_length_scale*(0.5 - rng.gen::<f64>());
let model = WLC::init(number_of_links, link_length, hinge_mass, persistance_length);
let temperature = parameters.temperature_reference + parameters.temperature_scale*(0.5 - rng.gen::<f64>());
let relative_gibbs_free_energy_per_link_0 = model.relative_gibbs_free_energy_per_link(&(ZERO*(number_of_links as f64)*link_length), &temperature);
assert!(relative_gibbs_free_energy_per_link_0.abs() <= BOLTZMANN_CONSTANT*temperature*ZERO);
}
}
#[test]
fn nondimensional_relative_gibbs_free_energy()
{
let mut rng = rand::thread_rng();
let parameters = Parameters::default();
for _ in 0..parameters.number_of_loops
{
let number_of_links: u8 = rng.gen_range(parameters.number_of_links_minimum..parameters.number_of_links_maximum);
let link_length = parameters.link_length_reference + parameters.link_length_scale*(0.5 - rng.gen::<f64>());
let hinge_mass = parameters.hinge_mass_reference + parameters.hinge_mass_scale*(0.5 - rng.gen::<f64>());
let persistance_length = parameters.persistance_length_reference + parameters.persistance_length_scale*(0.5 - rng.gen::<f64>());
let model = WLC::init(number_of_links, link_length, hinge_mass, persistance_length);
let nondimensional_relative_gibbs_free_energy_0 = model.nondimensional_relative_gibbs_free_energy(&ZERO);
assert!(nondimensional_relative_gibbs_free_energy_0.abs() <= (number_of_links as f64)*ZERO);
}
}
#[test]
fn nondimensional_relative_gibbs_free_energy_per_link()
{
let mut rng = rand::thread_rng();
let parameters = Parameters::default();
for _ in 0..parameters.number_of_loops
{
let number_of_links: u8 = rng.gen_range(parameters.number_of_links_minimum..parameters.number_of_links_maximum);
let link_length = parameters.link_length_reference + parameters.link_length_scale*(0.5 - rng.gen::<f64>());
let hinge_mass = parameters.hinge_mass_reference + parameters.hinge_mass_scale*(0.5 - rng.gen::<f64>());
let persistance_length = parameters.persistance_length_reference + parameters.persistance_length_scale*(0.5 - rng.gen::<f64>());
let model = WLC::init(number_of_links, link_length, hinge_mass, persistance_length);
let nondimensional_relative_gibbs_free_energy_per_link_0 = model.nondimensional_relative_gibbs_free_energy_per_link(&ZERO);
assert!(nondimensional_relative_gibbs_free_energy_per_link_0.abs() <= ZERO);
}
}
}