polymers 0.3.7

Polymers Modeling Library
Documentation 
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#![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 _ = EFJC::init(parameters.number_of_links_minimum, parameters.link_length_reference, parameters.hinge_mass_reference, parameters.link_stiffness_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, EFJC::init(number_of_links, parameters.link_length_reference, parameters.hinge_mass_reference, parameters.link_stiffness_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, EFJC::init(parameters.number_of_links_minimum, link_length, parameters.hinge_mass_reference, parameters.link_stiffness_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, EFJC::init(parameters.number_of_links_minimum, parameters.link_length_reference, hinge_mass, parameters.link_stiffness_reference).hinge_mass);
        }
    }
    #[test]
    fn link_stiffness()
    {
        let mut rng = rand::thread_rng();
        let parameters = Parameters::default();
        for _ in 0..parameters.number_of_loops
        {
            let link_stiffness = parameters.link_stiffness_reference + parameters.link_stiffness_scale*(0.5 - rng.gen::<f64>());
            assert_eq!(link_stiffness, EFJC::init(parameters.number_of_links_minimum, parameters.link_length_reference, parameters.hinge_mass_reference, link_stiffness).link_stiffness);
        }
    }
    #[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 link_stiffness = parameters.link_stiffness_reference + parameters.link_stiffness_scale*(0.5 - rng.gen::<f64>());
            let model = EFJC::init(number_of_links, link_length, hinge_mass, link_stiffness);
            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!(link_stiffness, model.link_stiffness);
        }
    }
}