From 342619300ce26f9a134249002270c5d38d5993b3 Mon Sep 17 00:00:00 2001
From: mame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 22 Jun 2018 02:58:39 +0000
Subject: range.c: Range#size now returns Float::INFINITY if it is endless

Fixes [Bug #14699]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63715 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 range.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'range.c')

diff --git a/range.c b/range.c
index 3414525a12..c2fa6abeeb 100644
--- a/range.c
+++ b/range.c
@@ -749,9 +749,15 @@ static VALUE
 range_size(VALUE range)
 {
     VALUE b = RANGE_BEG(range), e = RANGE_END(range);
-    if (rb_obj_is_kind_of(b, rb_cNumeric) && rb_obj_is_kind_of(e, rb_cNumeric)) {
-	return ruby_num_interval_step_size(b, e, INT2FIX(1), EXCL(range));
+    if (rb_obj_is_kind_of(b, rb_cNumeric)) {
+        if (rb_obj_is_kind_of(e, rb_cNumeric)) {
+	    return ruby_num_interval_step_size(b, e, INT2FIX(1), EXCL(range));
+        }
+        if (NIL_P(e)) {
+            return DBL2NUM(HUGE_VAL);
+        }
     }
+
     return Qnil;
 }
 
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