/// <summary>
/// Tests if this range touches another. For example (1-2) touches (3,5) but (1,2) does not touch (4,5)
/// </summary>
/// <param name="range">the other range</param>
/// <returns>true if they touch</returns>
public bool Touches(IntRange range)
{
var val = _touches(this, range) || _touches(range, this);
return(val);
}
private static bool _intersects(IntRange range1, IntRange range2)
{
return((range1.Lower <= range2.Lower) && (range1.Upper >= range2.Lower));
}
/// <summary>
/// Tests if this range interests with another
/// </summary>
/// <param name="range">the other range</param>
/// <returns>true if they intersect</returns>
public bool Intersects(IntRange range)
{
return(_intersects(this, range) || _intersects(range, this));
}
private static bool _touches(IntRange range1, IntRange range2)
{
var val = (range1.Upper + Delta) == range2.Lower;
return(val);
}
/// <summary>
/// Join this range with another and return a single range that contains them both. The ranges must either touch or interest.
/// for example (0,2) amd (3,7) will yield (0,7)
/// </summary>
/// <param name="range">the other range</param>
/// <returns>the merged range</returns>
public IntRange JoinWith(IntRange range)
{
if (this.Intersects(range) || this.Touches(range))
{
int new_Upper = System.Math.Max(this.Upper, range.Upper);
int new_Lower = System.Math.Min(this.Lower, range.Lower);
return IntRange.FromEndpoints(new_Lower, new_Upper);
}
else
{
throw new System.ArgumentException();
}
}
private static bool _intersects(IntRange range1, IntRange range2)
{
return ((range1.Lower <= range2.Lower) && (range1.Upper >= range2.Lower));
}
private static bool _touches(IntRange range1, IntRange range2)
{
var val = (range1.Upper + Delta) == range2.Lower;
return val;
}
/// <summary>
/// Tests if this range touches another. For example (1-2) touches (3,5) but (1,2) does not touch (4,5)
/// </summary>
/// <param name="range">the other range</param>
/// <returns>true if they touch</returns>
public bool Touches(IntRange range)
{
var val = _touches(this, range) || _touches(range, this);
return val;
}
/// <summary>
/// Tests if this range interests with another
/// </summary>
/// <param name="range">the other range</param>
/// <returns>true if they intersect</returns>
public bool Intersects(IntRange range)
{
return (_intersects(this, range) || _intersects(range, this));
}
public void AddInclusive(int lower, int upper)
{
var rng = IntRange.FromEndpoints(lower, upper);
this.Add(rng);
}
public void Add(int n)
{
var rng = IntRange.FromInteger(n);
this.Add(rng);
}
public void RemoveInclusive(int lower, int upper)
{
var rng = IntRange.FromEndpoints(lower, upper);
this.Remove(rng);
}
public void Remove(int value)
{
var rng = IntRange.FromInteger(value);
this.Remove(rng);
}
