public bool Subset(NullableInterval <T> other)
{
return
((!this.min.HasValue || (other.min.HasValue && this.min.Value.CompareTo(other.min.Value) <= 0))
&&
(!this.max.HasValue || (other.max.HasValue && other.max.Value.CompareTo(this.max.Value) <= 0)));
}
public NullableInterval <T> Union(NullableInterval <T> other)
{
T?minVal = !min.HasValue || !other.min.HasValue ? (T?)null : min.Value.CompareTo(other.min.Value) > 0 ? other.min.Value : min.Value;
T?maxVal = !max.HasValue || !other.max.HasValue ? (T?)null : max.Value.CompareTo(other.max.Value) < 0 ? other.max.Value : max.Value;
return(new NullableInterval <T>(minVal, maxVal));
}
public bool Overlaps(NullableInterval <T> other)
{
return(!(
(max.HasValue && other.min.HasValue && max.Value.CompareTo(other.min.Value) <= 0) ||
(other.max.HasValue && min.HasValue && other.max.Value.CompareTo(min.Value) <= 0)
));
}
public NullableInterval <T>?Intersection(NullableInterval <T> other)
{
T?minVal = min.HasValue && other.min.HasValue ? (min.Value.CompareTo(other.min.Value) > 0 ? min.Value : other.min.Value) : min ?? other.min;
T?maxVal = max.HasValue && other.max.HasValue ? (max.Value.CompareTo(other.max.Value) < 0 ? max.Value : other.max.Value) : max ?? other.max;
if (minVal.HasValue && maxVal.HasValue && minVal.Value.CompareTo(maxVal.Value) >= 0)
{
return(null);
}
return(new NullableInterval <T>(minVal, maxVal));
}
public int CompareTo(NullableInterval <T> other)
{
if (min == null && other.min == null)
{
return(0);
}
var temp = min.HasValue.CompareTo(other.min.HasValue);
if (temp != 0)
{
return(temp);
}
return(min.Value.CompareTo(other.min.Value));
}
public int CompareTo(NullableInterval <T> other)
{
if (min == null && other.min == null)
{
return(0);
}
var temp = min.HasValue.CompareTo(other.min.HasValue);
if (temp != 0)
{
return(temp);
}
#pragma warning disable CS8629 // Nullable value type may be null. CSBUG
return(min.Value.CompareTo(other.min.Value));
#pragma warning restore CS8629 // Nullable value type may be null.
}
public bool Equals(NullableInterval <T> other)
{
return(other.min.Equals(min) && other.max.Equals(max));
}
