* [PATCH 4/7] simplify div by 2,4,8,16 statement
@ 2015-03-16 20:26 tyson.w.smith
0 siblings, 0 replies; only message in thread
From: tyson.w.smith @ 2015-03-16 20:26 UTC (permalink / raw)
To: davej; +Cc: trinity, tysmith, Tyson Smith
From: Tyson Smith <tyson.w.smith@gmail.com>
---
random.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/random.c b/random.c
index 8b4f715..8b8de04 100644
--- a/random.c
+++ b/random.c
@@ -108,10 +108,8 @@ unsigned int rand32(void)
r = ~r + 1;
/* we might get lucky if something is counting ints/longs etc. */
- if (ONE_IN(4)) {
- int _div = 1 << RAND_RANGE(1, 4); /* 2,4,8 or 16 */
- r /= _div;
- }
+ if (ONE_IN(4))
+ r /= 2 << (rand() & 3); /* 2,4,8 or 16 */
/* limit the size */
switch (rand() % 5) {
--
1.9.1
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