[Octave-bug-tracker] [bug #65720] The Result of cos (3 * pi / 2) should be "0"

[anonymous]

URL:
  <https://savannah.gnu.org/bugs/?65720>

                 Summary: The Result of cos (3 * pi / 2)  should be "0"
                   Group: GNU Octave
               Submitter: None
               Submitted: Fri 10 May 2024 07:04:31 AM UTC
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: Tonhom
        Originator Email: tonkapoon@gmail.com
             Open/Closed: Open
                 Release: 6.4.0
         Discussion Lock: Any
        Operating System: GNU/Linux
           Fixed Release: None
         Planned Release: None


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Follow-up Comments:


-------------------------------------------------------
Date: Fri 10 May 2024 07:04:31 AM UTC By: Anonymous
tonhom@AsusVivobook-X1402ZA:~$ 
tonhom@AsusVivobook-X1402ZA:~$ date ; octave-cli ; date
Fri May 10 01:53:07 PM +07 2024
GNU Octave, version 6.4.0
Copyright (C) 2021 The Octave Project Developers.
This is free software; see the source code for copying conditions.
There is ABSOLUTELY NO WARRANTY; not even for MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  For details, type 'warranty'.

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octave:1> 
octave:1> cos (3 * pi / 2)
ans = -1.8370e-16
octave:2> 
octave:2> sin (3 * pi / 2)
ans = -1
octave:3> 
octave:3> exit
Fri May 10 01:53:26 PM +07 2024
tonhom@AsusVivobook-X1402ZA:~$ 
tonhom@AsusVivobook-X1402ZA:~$ 

---- ---- ---- ---- ----
The Result of cos (3 * pi / 2)  should be "0"  







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