From: noreply@...
Date: 2006-04-28T04:14:47+09:00
Subject: [ ruby-Bugs-4284 ] Float near Float::MIN

Bugs item #4284, was opened at 2006-04-27 21:14
You can respond by visiting: 
http://rubyforge.org/tracker/?func=detail&atid=1698&aid=4284&group_id=426

Category: None
Group: None
Status: Open
Resolution: None
Priority: 3
Submitted By: Karl Brodowsky (bk1)
Assigned to: Nobody (None)
Summary: Float near Float::MIN

Initial Comment:
1. my system 
$ ruby --version
ruby 1.8.4 (2005-12-24) [i686-linux]
$ irb --version
irb 0.9.5(05/04/13)
$ uname -a
Linux ***** 2.4.18-4GB #1 Wed Mar 27 13:57:05 UTC 2002 i686 unknown

2. what I did:
irb
irb(main):001:0> Float::MIN
=> 2.2250738585072e-308
irb(main):002:0> 1e-307
(irb):2: warning: Float 1e-307 out of range
=> 9.88131291682493e-324

3. comment:
since 2.2250738585072e-308 is a legitimate Floating point number, and meant to be the smallest above zero, I would expect 1e-307, which is more than that to be working correctly.  But I get:
- a weird warning which should not occur
- a wrong output which is off about by a factor of 10**16
- a output which should not be a legitimate Float, because it is between 0 and Float::MIN



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You can respond by visiting: 
http://rubyforge.org/tracker/?func=detail&atid=1698&aid=4284&group_id=426