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-rw-r--r--torus.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/torus.h b/torus.h
index 23b4708..bb012f2 100644
--- a/torus.h
+++ b/torus.h
@@ -1,6 +1,7 @@
+#include <assert.h>
 #include <stdbool.h>
+#include <stddef.h>
 #include <stdint.h>
-#include <assert.h>
 
 #define ALIGNED(x) __attribute__((aligned(x)))
 
@@ -29,6 +30,8 @@ struct Tile {
     uint8_t colors[CELL_ROWS][CELL_COLS] ALIGNED(16);
 } ALIGNED(4096);
 static_assert(sizeof(struct Tile) == 4096, "struct Tile is page-sized");
+static_assert(offsetof(struct Tile, cells) == 16, "stable cells offset");
+static_assert(offsetof(struct Tile, colors) == 2016, "stable colors offset");
 
 #define TILE_ROWS (512)
 #define TILE_COLS (512)
eader'>2017-12-09Day 8June McEnroe 2017-12-09Day 7, part 2June McEnroe I don't even know what this is. Don't look at it. 2017-12-08Day 7June McEnroe 2017-12-06Day 6, part 2June McEnroe 2017-12-06Day 6June McEnroe 2017-12-05Day 5, part 2June McEnroe 2017-12-05Day 5June McEnroe 2017-12-04Day 4, part 2June McEnroe That ugly sort map though. 2017-12-04Day 4June McEnroe 2017-12-03Day 3, part 2June McEnroe I am super surprised that worked on the first try. 2017-12-03Day 3, clean upJune McEnroe 2017-12-03Day 3June McEnroe This is fucking awful and I'm angry. 2017-12-02Day 2, part 2June McEnroe 2017-12-02Day 2June McEnroe 2017-12-01Day 1, part 2June McEnroe 2017-12-01Day 1June McEnroe 2017-11-27Move to 2016 directoryJune McEnroe