Summary

(abs most-negative-fixnum) does return negative value

Metadata

• Id: ce12984fe4093beb93b5c28b1cef9f8edf59545b
• Trac id: 1096
• Type: defect
• Reporter: ckeen
• Owner:
• Cc:
• Status: closed
• Component: core libraries
• Estimated difficulty:
• Resolution: fixed
• Priority: minor
• Milestone: 5.0
• Version: 4.8.x
• Changetime: 2015-08-27 08:56:56 UTC
• Created: 2014-02-04 13:31:13 UTC
• Keywords: abs core

Description

Found by David Krenzlin on #chicken

 $ csi -n
 CHICKEN
 (c) 2008-2014, The Chicken Team
 (c) 2000-2007, Felix L. Winkelmann
 Version 4.8.4 (rev 7dad446)
 linux-unix-gnu-x86-64 [ 64bit manyargs dload ptables ]
 compiled 2014-02-03 on devpool08 (Linux)
 #;1> (abs most-negative-fixnum)
 -4611686018427387904
 #;2> (fixnum? most-negative-fixnum)
 #t

Works fine with the numbers egg's version.

Changes and comments

[2014-02-14 08:13:23 UTC] certainty changed priority from major to minor

[2014-02-17 08:47:30 UTC] sjamaan changed milestone from 4.9.0 to 4.10.0

[2014-02-17 08:47:30 UTC] sjamaan wrote:

Not important enough to delay 4.9.0 any longer

[2015-08-27 08:56:56 UTC] sjamaan changed status from new to closed

[2015-08-27 08:56:56 UTC] sjamaan set resolution to fixed

[2015-08-27 08:56:56 UTC] sjamaan changed milestone from 4.10.0 to 5.0

[2015-08-27 08:56:56 UTC] sjamaan wrote:

This has been fixed in CHICKEN 5 through the numbers integration. I think it is acceptable to leave this problem in CHICKEN 4 because it's such an extreme edge case, and fixing it in CHICKEN 4 would require quite a bit of brainpower and time.