pub fn system_from_xyz(content: &str) -> System {
    let mut system = System::new();

    let lines = content.lines().collect::<Vec<_>>();
    let natoms = lines[0].trim().parse::<usize>().expect("Could not parse integer");
    for i in 0..natoms {
        let splitted = lines[i + 2].split_whitespace().collect::<Vec<_>>();
        let name = splitted[0];
        let x = splitted[1].parse::<f64>().expect("Could not parse float");
        let y = splitted[2].parse::<f64>().expect("Could not parse float");
        let z = splitted[3].parse::<f64>().expect("Could not parse float");
        let mut particle = Particle::with_position(name, [x, y, z].into());
        if splitted.len() == 7 {
            let vx = splitted[4].parse::<f64>().expect("Could not parse float");
            let vy = splitted[5].parse::<f64>().expect("Could not parse float");
            let vz = splitted[6].parse::<f64>().expect("Could not parse float");
            particle.velocity = [vx, vy, vz].into();
        }
        system.add_molecule(Molecule::new(particle));
    }

    if lines[1].contains("cell:") {
        let cell = lines[1].split("cell:").nth(1).expect("Missing cell size");
        let cell = cell.split_whitespace().next().expect("Missing cell size");
        let cell = UnitCell::cubic(cell.parse().expect("Could not parse float"));
        system.cell = cell;
    }

    return system;
}
/// Read the `content` string, assuming XYZ format, and create the corresponding
/// system. This function is intended for testing purposes only, and will
/// panic if the string is not well-formatted.
///
/// If the comment line contains `cell: <a>`, the system will have a cubic unit
/// cell of size a.
Read the `content` string, assuming XYZ format, and create the corresponding
system. This function is intended for testing purposes only, and will
panic if the string is not well-formatted.

If the comment line contains `cell: `, the system will have a cubic unit
cell of size a.
Read the ` content ` string assuming XYZ format and create the corresponding system . This function is intended for testing purposes only and will panic if the string is not well - formatted . If the comment line contains ` cell : ` the system will have a cubic unit cell of size a .
pub fn system_from_xyz(content: &str) -> System {
    let mut system = System::new();
    let lines = content.lines().collect::<Vec<_>>();
    let natoms = lines[0].trim().parse::<usize>().expect("Could not parse integer");
    for i in 0..natoms {
        let splitted = lines[i + 2].split_whitespace().collect::<Vec<_>>();
        let name = splitted[0];
        let x = splitted[1].parse::<f64>().expect("Could not parse float");
        let y = splitted[2].parse::<f64>().expect("Could not parse float");
        let z = splitted[3].parse::<f64>().expect("Could not parse float");
        let mut particle = Particle::with_position(name, [x, y, z].into());
        if splitted.len() == 7 {
            let vx = splitted[4].parse::<f64>().expect("Could not parse float");
            let vy = splitted[5].parse::<f64>().expect("Could not parse float");
            let vz = splitted[6].parse::<f64>().expect("Could not parse float");
            particle.velocity = [vx, vy, vz].into();
        }
        system.add_molecule(Molecule::new(particle));
    }
    if lines[1].contains("cell:") {
        let cell = lines[1].split("cell:").nth(1).expect("Missing cell size");
        let cell = cell.split_whitespace().next().expect("Missing cell size");
        let cell = UnitCell::cubic(cell.parse().expect("Could not parse float"));
        system.cell = cell;
    }
    return system;
}
pub fn system_from_xyz ( content : & str ) -> System { let mut system = System :: new ( ) ; let lines = content . lines ( ) . collect :: < Vec < _ > > ( ) ; let natoms = lines [ 0 ] . trim ( ) . parse :: < usize > ( ) . expect ( " " ) ; for i in 0 .. natoms { let splitted = lines [ i + 2 ] . split_whitespace ( ) . collect :: < Vec < _ > > ( ) ; let name = splitted [ 0 ] ; let x = splitted [ 1 ] . parse :: < f64 > ( ) . expect ( " " ) ; let y = splitted [ 2 ] . parse :: < f64 > ( ) . expect ( " " ) ; let z = splitted [ 3 ] . parse :: < f64 > ( ) . expect ( " " ) ; let mut particle = Particle :: with_position ( name , [ x , y , z ] . into ( ) ) ; if splitted . len ( ) == 7 { let vx = splitted [ 4 ] . parse :: < f64 > ( ) . expect ( " " ) ; let vy = splitted [ 5 ] . parse :: < f64 > ( ) . expect ( " " ) ; let vz = splitted [ 6 ] . parse :: < f64 > ( ) . expect ( " " ) ; particle . velocity = [ vx , vy , vz ] . into ( ) ; } system . add_molecule ( Molecule :: new ( particle ) ) ; } if lines [ 1 ] . contains ( " " ) { let cell = lines [ 1 ] . split ( " " ) . nth ( 1 ) . expect ( " " ) ; let cell = cell . split_whitespace ( ) . next ( ) . expect ( " " ) ; let cell = UnitCell :: cubic ( cell . parse ( ) . expect ( " " ) ) ; system . cell = cell ; } return system ; }
Read the `content` string, assuming XYZ format, and create the corresponding
system.
Read the ` content ` string assuming XYZ format and create the corresponding system .
content
&str