On Friday, 10 July 2015 at 23:21:02 UTC, ketmar wrote:
On Thu, 09 Jul 2015 23:35:00 +0000, Vladimir Panteleev wrote:

On Tuesday, 7 July 2015 at 03:39:00 UTC, Rikki Cattermole wrote:
I've been sold on the unsigned vs signed type issue for and only for the x and y coordinates.

The first version of ae.utils.graphics had unsigned coordinates. As I found out, this was a mistake.

A rule of thumb I discovered is that any numbers you may want to subtract, you should use signed types. Otherwise, operations such as drawing an arc with its center point off-canvas (with negative coordinates) becomes unreasonably complicated.

giving that `int` and `uint` are freely interchangeable... `uint` is better, as it allows only one bound check in `if`, and without casts. ;-)

That's a poor reason. Optimizing x>=0 && x<100 to an unsigned check is such a basic optimization, even DMD can do it.

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