[Octave-bug-tracker] [bug #51580] isa: compatibility with isfloat, isinteger and isnumeric

[Ernst Reissner]

URL:
  <http://savannah.gnu.org/bugs/?51580>

                 Summary: isa: compatibility with isfloat, isinteger and
isnumeric
                 Project: GNU Octave
            Submitted by: ernstreissner
            Submitted on: Wed 26 Jul 2017 09:08:05 AM UTC
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Matlab Compatibility
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: Any

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Details:

I write an arithmetic with oo-means, 
so overwriting isfloat, isinteger and isnumeric 
for my own arithmetic classes. 

In addition, i have to overwrite isa 
for second argument 'float', 'integer' and 'numeric'. 

I suggest to modify builtin function isa 
so that for these second arguments 
methods isfloat, isinteger and isnumeric are invoked. 

This improves consistency and spares me overwriting function isa. 




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