[Lazarus] ComparePoints func

[Michael Van Canneyt]

On Wed, 26 Jul 2017, Alexey via Lazarus wrote:

>>> First start by defining what ComparePoints is supposed to measure or 
>>> compare.
>
> yes, of course: compare source editor x/y positions. Ie, it  is 
> CompareCoords.

In that case you need some enumerated.
TRelativePosition =
(rpEqual,
  rpNorth,rpEast,rpSouth,rpWest,
  rpNorthEast,rpSouthEast,rpSouthWest,rpNorhWest);

+1, 0, -1 does not tell you enough.

Michael.