bugGNU Common Lisp - Bugs: bug #53134, acos bombs

 
 

bug #53134: acos bombs

Submitted by:  None
Submitted on:  Mon 12 Feb 2018 09:52:17 PM UTC  
 
Category:  None Severity:  3 - Normal
Item Group:  None Status:  None
Privacy:  Public Assigned to:  None
Open/Closed:  Open

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Mon 12 Feb 2018 09:57:21 PM UTC, comment #1:

Other forms of Lisp (ACL, Clisp, etc) get this right and return 0 as they should.

Anonymous
Mon 12 Feb 2018 09:52:17 PM UTC, original submission:

GCL (GNU Common Lisp) 2.6.12 CLtL1 Fri Apr 22 15:51:11 UTC 2016

(acos 1.0)

Error: ERROR "Logarithmic singularity."
Fast links are on: do (si::use-fast-links nil) for debugging
Signalled by ACOS.
ERROR "Logarithmic singularity."

Broken at ACOS.

Anonymous

 

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