* bignum.c (rb_big_hash): use rb_memhash().

* numeric.c (flo_hash): simplified.  klass need not to affect
  resulting hash value.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@10992 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

3 files changed, 11 insertions, 10 deletions

diff --git a/ChangeLog b/ChangeLog
index f0ae8cef7c..23defd152a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Fri Sep 22 06:53:22 2006  Yukihiro Matsumoto  <[email protected]>
+
+	* bignum.c (rb_big_hash): use rb_memhash().
+
+	* numeric.c (flo_hash): simplified.  klass need not to affect
+	  resulting hash value.
+
 Fri Sep 22 02:06:26 2006  Nobuyoshi Nakada  <[email protected]>
 
 	* .cvsignore: ignore timestamp files and installed list file.
diff --git a/bignum.c b/bignum.c
index e3e8d80d9a..ecf2872f08 100644
--- a/bignum.c
+++ b/bignum.c
@@ -1887,14 +1887,10 @@ rb_big_aref(VALUE x, VALUE y)
 static VALUE
 rb_big_hash(VALUE x)
 {
-    long i, len, key;
-    BDIGIT *digits;
+    int hash;
 
-    key = 0; digits = BDIGITS(x); len = RBIGNUM(x)->len;
-    for (i=0; i<len; i++) {
-	key ^= *digits++;
-    }
-    return LONG2FIX(key);
+    hash = rb_memhash(BDIGITS(x), BITSPERDIG*RBIGNUM(x)->len) ^ RBIGNUM(x)->sign;
+    return INT2FIX(hash);
 }
 
 /*
diff --git a/numeric.c b/numeric.c
index 5a7e1dcff2..e812389c38 100644
--- a/numeric.c
+++ b/numeric.c
@@ -839,9 +839,7 @@ flo_hash(VALUE num)
     int hash;
 
     d = RFLOAT(num)->value;
-    if (d == 0) d = fabs(d);
-    hash = rb_memhash(&d, sizeof(d)) ^ RBASIC(num)->klass;
-    if (hash < 0) hash = -hash;
+    hash = rb_memhash(&d, sizeof(d));
     return INT2FIX(hash);
 }