* range.c (range_each): treat fixnums specially to boost.

* numeric.c (num_step): remove rb_scan_args() for small speedup.


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@3309 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 10 insertions, 1 deletions

diff --git a/range.c b/range.c
index 3b56ee7d0..2faf2f348 100644
--- a/range.c
+++ b/range.c
@@ -306,7 +306,16 @@ range_each(range)
 	rb_raise(rb_eTypeError, "cannot iterate from %s",
 		 rb_class2name(CLASS_OF(beg)));
     }
-    if (TYPE(beg) == T_STRING) {
+    if (FIXNUM_P(beg) && FIXNUM_P(end)) { /* fixnums are special */
+	long lim = FIX2LONG(end);
+	long i;
+
+	if (!EXCL(range)) lim += 1;
+	for (i=FIX2LONG(beg); i<lim; i++) {
+	    rb_yield(LONG2NUM(i));
+	}
+    }
+    else if (TYPE(beg) == T_STRING) {
 	VALUE args[5];
 	long iter[2];