Innovenergy_trunk/csharp/Lib/Units/Angle.cs

using InnovEnergy.Lib.Units.Generator;
using static System.Math;

namespace InnovEnergy.Lib.Units;

[Generate]
public readonly partial struct Angle
{
    public static String Unit   => "rad"; 
    public static String Symbol => "∠"; 

    public Angle(Double value)
    {
        var modulo = value % Tau;  // tau is 2pi
        
        Value = modulo > PI 
              ? modulo - Tau 
              : modulo;
    }
}