--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2011-11-30  Jim Meyering  <meyering@redhat.com>
+
+	hash: mark a few floating point constants with "f" suffix
+	* lib/hash.c (DEFAULT_GROWTH_THRESHOLD, DEFAULT_GROWTH_FACTOR)
+	(DEFAULT_SHRINK_THRESHOLD, DEFAULT_SHRINK_FACTOR): Mark literal
+	floating point constants with "f", since they're destined to be
+	saved/used as "float"s.
+
 2011-11-29  Paolo Bonzini  <bonzini@gnu.org>
 
 	float tests: Correct and re-enable assertion about LDBL_MIN_EXP.

--- a/lib/hash.c
+++ b/lib/hash.c
@@ -113,8 +113,8 @@
    1.0).  The growth threshold defaults to 0.8, and the growth factor
    defaults to 1.414, meaning that the table will have doubled its size
    every second time 80% of the buckets get used.  */
-#define DEFAULT_GROWTH_THRESHOLD 0.8
-#define DEFAULT_GROWTH_FACTOR 1.414
+#define DEFAULT_GROWTH_THRESHOLD 0.8f
+#define DEFAULT_GROWTH_FACTOR 1.414f
 
 /* If a deletion empties a bucket and causes the ratio of used buckets to
    table size to become smaller than the shrink threshold (a number between
@@ -122,8 +122,8 @@
    number greater than the shrink threshold but smaller than 1.0).  The shrink
    threshold and factor default to 0.0 and 1.0, meaning that the table never
    shrinks.  */
-#define DEFAULT_SHRINK_THRESHOLD 0.0
-#define DEFAULT_SHRINK_FACTOR 1.0
+#define DEFAULT_SHRINK_THRESHOLD 0.0f
+#define DEFAULT_SHRINK_FACTOR 1.0f
 
 /* Use this to initialize or reset a TUNING structure to
    some sensible values. */