[Octave-bug-tracker] [bug #54385] NaN and Inf printed instead of nan and inf

[John W. Eaton]

URL:
  <http://savannah.gnu.org/bugs/?54385>

                 Summary: NaN and Inf printed instead of nan and inf
                 Project: GNU Octave
            Submitted by: jwe
            Submitted on: Thu 26 Jul 2018 01:10:45 PM UTC
                Category: Interpreter
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Unexpected Error
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: Solaris/SunOS

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Details:

Running the test suite on Solaris showed the following errors:


>>>>> processing index.tst
***** error <index \(nan,_\): subscripts>                 1(NaN,1)
!!!!! error failed.
Expected <index \(nan,_\): subscripts>, but got <index (NaN,_): subscripts
must be either integers 1 to (2^31)-1 or logicals>

***** error <abc\(nan\): subscripts>         abc(NA)
!!!!! error failed.
Expected <abc\(nan\): subscripts>, but got <abc(NaN): subscripts must be
either integers 1 to (2^31)-1 or logicals>

***** error <abc\(_,_,_,inf,_\): subscripts> abc(1,1,1,Inf,1)
 ##  Test sparse matrices
!!!!! error failed.
Expected <abc\(_,_,_,inf,_\): subscripts>, but got <abc(_,_,_,Inf,_):
subscripts must be either integers 1 to (2^31)-1 or logicals>


The errors appear to be correct except that "Inf" and "NaN" are displayed and
the test is expecting "inf" and "nan".

Should we fix the tests, or fix Octave to always print Inf and NaN values a
particular way?  The latter seems more difficult unless we can be sure that
all printing of Inf and NaN values goes through Octave's I/O system and none
are printed directly with a system library.




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