Cleanups

2026-06-15 10:50:54 +02:00
parent cec0cd966b
commit 2fed5cbe1b
4 changed files with 17 additions and 6 deletions
@@ -177,7 +177,8 @@ typedef unsigned __int128 U128;
 #define CeilDiv(x, y) (((x) + ((y) - 1)) / (y))

 /**
- * Round x up to nearest multiple of y
+ * Round x up to nearest multiple of y:
+ * (((x) + (y) - 1) - (((x) + (y) - 1) % (y)))
 * e.g. RoundUp(30,48) == 48
 * e.g. RoundUp(49,48) == 96
 *
@@ -185,7 +186,15 @@ typedef unsigned __int128 U128;
 * @param y denominator
 * @return x rounded up to nearest multiple of y
 */
-#define RoundUpToMultiple(x, y) (CeilDiv((x), (y)) * (y))
+#define RoundUpToMultiple(x, y)       \
+({                                    \
+    __typeof__(x) _x   = (x);         \
+    __typeof__(y) _y   = (y);         \
+    Assert(_y !        = 0);          \
+    __typeof__(x) _tmp = _x + _y - 1; \
+    _tmp - _tmp % _y;                 \
+})
+

 /**
 * Round x down to nearest multiple of y