[macruby-changes] [2028] MacRuby/branches/experimental/numeric.c

[source_changes at macosforge.org]

Revision: 2028
          http://trac.macosforge.org/projects/ruby/changeset/2028
Author:   pthomson at apple.com
Date:     2009-07-15 13:13:06 -0700 (Wed, 15 Jul 2009)
Log Message:
-----------
Added some documentation to Fixnum#popcnt.

Modified Paths:
--------------
    MacRuby/branches/experimental/numeric.c

Modified: MacRuby/branches/experimental/numeric.c
===================================================================
--- MacRuby/branches/experimental/numeric.c	2009-07-15 20:04:43 UTC (rev 2027)
+++ MacRuby/branches/experimental/numeric.c	2009-07-15 20:13:06 UTC (rev 2028)
@@ -3113,6 +3113,15 @@
     return Qfalse;
 }
 
+/*
+ *  call-seq:
+ *     fix.popcnt    => Fixnum
+ *
+ *  Returns the number of 1 bits set in the internal representation of 
+ *	<i>fix</i>. This function returns consistent results across platforms for 
+ *	positive numbers, but may vary for negative numbers.
+ *
+ */
 static VALUE
 fix_popcnt(VALUE num, SEL sel)
 {
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