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using System;
namespace Colourful.Implementation
{
/// <summary>
/// Angle unit conversion helpers
/// </summary>
internal static class Angle
{
private const double TwoPI = 2 * Math.PI;
public static double RadianToDegree(double rad)
{
var deg = 360 * (rad / TwoPI);
return deg;
}
public static double DegreeToRadian(double deg)
{
var rad = TwoPI * (deg / 360d);
return rad;
}
public static double NormalizeDegree(double deg)
{
var d = deg % 360d;
return d >= 0 ? d : d + 360d;
}
}
}
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