private bool Equals(Rational other) => Denominator == other.Denominator && Numerator == other.Numerator;
private bool Equals(Rational other) => Denominator == other.Denominator && Numerator == other.Numerator;
public static double?DegreesMinutesSecondsToDecimal(Rational degs, Rational mins, Rational secs, bool isNegative)
{
var value = Math.Abs(degs.ToDouble()) + mins.ToDouble() / 60.0d + secs.ToDouble() / 3600.0d;
if (double.IsNaN(value))
{
return(null);
}
if (isNegative)
{
value *= -1;
}
return(value);
}
public static bool TryGetRational([NotNull] this Directory directory, int tagType, out Rational value)
{
var o = directory.GetObject(tagType);
if (o == null)
{
value = default(Rational);
return(false);
}
if (o is Rational r)
{
value = r;
return(true);
}
if (o is int i)
{
value = new Rational(i, 1);
return(true);
}
if (o is long l)
{
value = new Rational(l, 1);
return(true);
}
// NOTE not doing conversions for real number types
value = default(Rational);
return(false);
}
