From 1a100f7692ea04986b5151987edd1d6f06803fdb Mon Sep 17 00:00:00 2001
From: giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8>
Date: Tue, 23 Aug 2011 17:51:24 +0000
Subject: new hash function

git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@1555 9d0c8265-081b-0410-96cb-a4ca84ce46f8
---
 lib/libpammap.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'lib/libpammap.c')

diff --git a/lib/libpammap.c b/lib/libpammap.c
index 663fe3c5..f73ec45e 100644
--- a/lib/libpammap.c
+++ b/lib/libpammap.c
@@ -33,11 +33,11 @@ pnm_hashtuple(struct pam * const pamP,
 -----------------------------------------------------------------------------*/
     unsigned int i;
     unsigned int hash;
-    const unsigned int hash_factor[] = {33023, 30013, 27011};
+    const unsigned int hash_factor[] = {33*33, 33, 1};
 
     hash = 0;  /* initial value */
     for (i = 0; i < MIN(pamP->depth, 3); ++i) {
-        hash += tuple[i] * hash_factor[i];  /* May overflow */
+        hash += tuple[i] * hash_factor[i];
     }
     hash %= HASH_SIZE;
     return hash;
-- 
cgit 1.4.1