protected override FloatingVersion Evaluate(FloatingVersion x, FloatingVersion y)
{
// cannot be translated,
// so we'll just merge the ranges
var result = new FloatingVersion();
// LowerBound = Max(x.LowerBound, y.LowerBound)
var lowerx = x.LowerBound.AnyToZero();
var lowery = y.LowerBound.AnyToZero();
var lowercomp = lowerx.CompareTo(lowery);
if (lowercomp < 0 || (lowercomp == 0 && !x.LowerBoundExclusive))
{
result.LowerBound = lowerx;
result.LowerBoundExclusive = x.LowerBoundExclusive;
}
else
{
result.LowerBound = lowery;
result.LowerBoundExclusive = y.LowerBoundExclusive;
}
// UpperBound = Min(x.UpperBound, y.UpperBound)
var upperx = x.UpperBound.GetClosestHigher();
var uppery = y.UpperBound.GetClosestHigher();
var uppercomp = upperx.CompareTo(uppery);
if (uppercomp > 0 || (uppercomp == 0 && !x.UpperBoundExclusive))
{
result.UpperBound = x.UpperBound;
result.UpperBoundExclusive = x.UpperBoundExclusive;
}
else
{
result.UpperBound = y.UpperBound;
result.UpperBoundExclusive = y.UpperBoundExclusive;
}
//
return(result);
}
protected abstract FloatingVersion Evaluate(FloatingVersion x, FloatingVersion y);