[Octave-bug-tracker] [bug #44864] lazy_index produces error with printf("%i")

[Martin Kunz]

URL:
  <http://savannah.gnu.org/bugs/?44864>

                 Summary: lazy_index produces error with printf("%i")
                 Project: GNU Octave
            Submitted by: mkunz
            Submitted on: Fr 17 Apr 2015 14:26:44 GMT
                Category: Interpreter
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Regression
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.0.0-rc3
        Operating System: Microsoft Windows

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Details:

Hi,

I stumbled upon a strange error which I could track to a line like this:


printf("%i ",find([true true]))


In Octave 3.8.2 the result is


1 2 


as I would expect. In 4.0.0-rc3 I get


error: isnan: not defined for <unknown type>
error: isinf: not defined for <unknown type>
error: octave_base_value::double_value (): wrong type argument '<unknown
type>'
error: octave_base_value::double_value (): wrong type argument '<unknown
type>'
 error: isnan: not defined for <unknown type>
error: isinf: not defined for <unknown type>
error: octave_base_value::double_value (): wrong type argument '<unknown
type>'
error: octave_base_value::double_value (): wrong type argument '<unknown
type>'


In both cases the type returned by find is lazy_index


>> typeinfo(find([true true]))
ans = lazy_index


but it seems that this type is not properly treated by printf in 4.0.0-rc3.




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