Bitmap/Bresenham's line algorithm: Difference between revisions

→‎version 2: correct output
(→‎version 2: corrected PL/I version 2)
(→‎version 2: correct output)
Line 1,684:
<pre>11 ..|.......
10 ..|.....X.
9 ..|.....X..
8 ..|....X..
7 ..|....X...
6 ..|...X...
5 ..|...X....
4 ..|..X....
3 ..|.X.....
2 ..|..X.....
1 ..|X......
0 --+-X------
-1 ..X.......
-2 ..|X.......
-3 .X|.......
-4 ..|.......
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