public override bool AreEqual(FloatWithSize a, FloatWithSize b)
{
//if (a == null && b == null)
// return true;
//if (a == null || b == null)
// return false;
//if ((a.MinVal <= b.MaxVal && b.MaxVal <= a.MaxVal) ||
// (a.MinVal <= b.MinVal && b.MinVal <= a.MaxVal))
// return true;
//else if ((b.MinVal <= a.MaxVal && a.MaxVal <= b.MaxVal) ||
// (b.MinVal <= a.MinVal && a.MinVal <= b.MaxVal))
// return true;
//return false;
//if ((b.MinVal <= a.MinVal + floatEpsilon && b.MaxVal <= a.MinVal + floatEpsilon) ||//b on left side
// (a.MinVal <= b.MinVal + floatEpsilon && a.MaxVal <= b.MinVal + floatEpsilon))// a on left side
// return false;
if ((b.MinVal.CompareTo(a.MinVal, floatEpsilon) <= 0 && b.MaxVal.CompareTo(a.MinVal, floatEpsilon) <= 0) || //b on left side
(b.MinVal.CompareTo(a.MaxVal, floatEpsilon) >= 0 && b.MaxVal.CompareTo(a.MaxVal, floatEpsilon) >= 0)) // b on right side
{
return(false);
}
return(true);
//return a.MaxVal.CompareTo(b.MinVal,floatEpsilon) >= 0 && b.MaxVal.CompareTo(a.MinVal,floatEpsilon) >= 0;
//return (a.MinVal <= b.MinVal && a.MaxVal > b.MinVal) || (b.MinVal <= a.MinVal && b.MaxVal > a.MinVal);
}
public override FloatWithSize DistanceBetweenPoints(FloatWithSize a, FloatWithSize b)
{
if (IsIntersects(a, b) || IsIntersects(b, a))
{
return(Zero);
}
if (a.MaxVal.CompareTo(b.MinVal, floatEpsilon) < 0)
{
return(new FloatWithSize(b.MinVal - a.MaxVal, b.MinVal - a.MaxVal).Abs());
}
if (b.MaxVal.CompareTo(a.MinVal, floatEpsilon) < 0)
{
return(new FloatWithSize(a.MinVal - b.MaxVal, a.MinVal - b.MaxVal).Abs());
}
return(Subtract(a, b).Abs());
//if (a.MinVal < b.MinVal)
//{
// return new FloatWithSize(System.Math.Min(0, b.MinVal - a.MaxVal));
//}
//else
//{
// return new FloatWithSize(System.Math.Min(0, a.MaxVal - b.MaxVal));
//}
}
public override FloatWithSize DistanceBetweenPoints(FloatWithSize[] a, FloatWithSize[] b)
{
FloatWithSize distance = Zero;
int dimensions = a.Length;
// Return the absolute distance bewteen 2 hyper points
for (var dimension = 0; dimension < dimensions; dimension++)
{
FloatWithSize distOnThisAxis = Subtract(a[dimension], b[dimension]);
FloatWithSize distOnThisAxisSquared = Multiply(distOnThisAxis, distOnThisAxis);
distance = Add(distance, distOnThisAxisSquared);
}
return(distance);
}
public override int Compare(FloatWithSize a, FloatWithSize b)
{
//if (a == null)
// if (b == null)
// return 0;
// else
// return -1;
//else if (b == null)
// return 1;
if (AreEqual(a, b))
{
return(0);
}
//if (a.MaxVal < b.MinVal)
// return -1;
//return 1;
//return a.MidVal.CompareTo(b.MidVal);
//if (System.Math.Abs(a.MidVal - b.MidVal) < floatEpsilon)
// return 0;
//return a.MidVal.CompareTo(b.MidVal);
return(a.MidVal.CompareTo(b.MidVal, floatEpsilon));
}
public override FloatWithSize Subtract(FloatWithSize a, FloatWithSize b)
{
return(new FloatWithSize(a.MinVal - b.MinVal, a.MaxVal - b.MaxVal));
}
public override FloatWithSize Multiply(FloatWithSize a, FloatWithSize b)
{
return(new FloatWithSize(a.MinVal * b.MinVal, a.MaxVal * b.MaxVal));
//var delta = b.MaxVal - b.MinVal;
//return new FloatWithSize(a.MinVal * delta, a.MaxVal * delta);
}
public override FloatWithSize Add(FloatWithSize a, FloatWithSize b)
{
return(a + b);
}
private bool IsIntersects(FloatWithSize a, FloatWithSize b)
{
return(AreEqual(a, b));
}
