// Utilities
private static double axisValue(PairedPoint point, Axis axis)
{
if (axis == Axis.X)
{
return(point.X);
}
else if (axis == Axis.Y1)
{
return(point.Y1);
}
else
{
return(point.Y2);
}
}
public static PairedPoint?min(PairedPoint[] points, Axis axis)
{
if (points.Length == 0)
{
return(null);
}
double minValue = axisValue(points[0], axis);
PairedPoint min = points[0];
foreach (var point in points)
{
if (minValue > axisValue(point, axis))
{
minValue = axisValue(point, axis);
min = point;
}
}
return(min);
}
public static PairedPoint?max(PairedPoint[] points, Axis axis)
{
if (points.Length == 0)
{
return(null);
}
double maxValue = axisValue(points[0], axis);
PairedPoint max = points[0];
foreach (var point in points)
{
if (maxValue < axisValue(point, axis))
{
maxValue = axisValue(point, axis);
max = point;
}
}
return(max);
}