Mesa (master): gallium/util: Fix deviation calculation in u_cache.

[Vinson Lee]

Module: Mesa
Branch: master
Commit: 7a0b48e3492e8d8f0b5d1cc882eed2b0f51c3dd8
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=7a0b48e3492e8d8f0b5d1cc882eed2b0f51c3dd8

Author: Vinson Lee <vlee at vmware.com>
Date:   Wed Apr 21 18:45:44 2010 -0700

gallium/util: Fix deviation calculation in u_cache.

The approximate deviation calculation was using the entire cache's total
instead of each cache entry's total.

---

 src/gallium/auxiliary/util/u_cache.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/gallium/auxiliary/util/u_cache.c b/src/gallium/auxiliary/util/u_cache.c
index 47c16b1..15f4a88 100644
--- a/src/gallium/auxiliary/util/u_cache.c
+++ b/src/gallium/auxiliary/util/u_cache.c
@@ -202,7 +202,7 @@ util_cache_destroy(struct util_cache *cache)
       double stddev = sqrt(mean);
       unsigned i;
       for(i = 0; i < cache->size; ++i) {
-         double z = fabs(cache->count - mean)/stddev;
+         double z = fabs(cache->entries[i].count - mean)/stddev;
          /* This assert should not fail 99.9999998027% of the times, unless 
           * the hash function is a poor one */
          assert(z <= 6.0);