public PiecewiseFunction(IEnumerable <Vector2> definedPoints, InterpolationBehavior interpolation, ExtrapolationBehavior leftExtrapolation, ExtrapolationBehavior rightExtrapolation)
{
_definedPoints = definedPoints.ToArray();
if (_definedPoints.Length <= 0)
{
throw new ArgumentException("At least one defined value must be supplied.");
}
Array.Sort(_definedPoints, (a, b) => a.X.CompareTo(b.X));
_interpolation = interpolation;
_leftExtrapolation = leftExtrapolation;
_rightExtrapolation = rightExtrapolation;
_period = double.NaN;
}
public PiecewiseFunction(double period, IEnumerable <Vector2> definedPoints) // TODO: allow other interpolation styles
{
if (double.IsNaN(period) || double.IsInfinity(period) || period <= 0)
{
throw new ArgumentOutOfRangeException();
}
_definedPoints = definedPoints.Select(p => new Vector2(NormalizePeriodicArgument(period, p.X), p.Y)).ToArray();
if (_definedPoints.Length <= 0)
{
throw new ArgumentException("At least one defined value must be supplied.");
}
Array.Sort(_definedPoints, (a, b) => a.X.CompareTo(b.X));
_interpolation = InterpolationBehavior.Linear;
_leftExtrapolation = ExtrapolationBehavior.NotDefined;
_rightExtrapolation = ExtrapolationBehavior.NotDefined;
_period = period;
}