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[Octave-bug-tracker] [bug #49793] octave's inputParser only accepts vali
From: |
anonymous |
Subject: |
[Octave-bug-tracker] [bug #49793] octave's inputParser only accepts validation functions that return true or false |
Date: |
Wed, 7 Dec 2016 13:46:52 +0000 (UTC) |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:50.0) Gecko/20100101 Firefox/50.0 |
URL:
<http://savannah.gnu.org/bugs/?49793>
Summary: octave's inputParser only accepts validation
functions that return true or false
Project: GNU Octave
Submitted by: None
Submitted on: Wed 07 Dec 2016 01:46:50 PM 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: 4.2.0
Operating System: GNU/Linux
_______________________________________________________
Details:
ip = inputParser;
htest = @(h) validateattributes(h, {'double'}, {'nonnegative'});
ip.addRequired('h', htest);
ip.parse(1.0);
fails with
error: if: undefined value used in conditional expression
error: called from
validate_arg at line 505 column 9
parse at line 394 column 9
>From Matlab's documentation (cf.
https://de.mathworks.com/help/matlab/ref/inputparser.addrequired.html):
"inputParser accepts two types of validation functions: functions that return
true or false, and functions that pass or throw an error. Both types of
validation functions must accept a single input argument."
octave/4.2.0/m/general/inputParser.m lines 504 to 509:
function validate_arg (this, name, val, in)
if (! val (in)) % <- octave throws here the error
this.error (sprintf ("failed validation of %s", toupper (name)));
endif
this.Results.(name) = in;
endfunction
Octave's function validate_arg which is called from Octave's inputParser's
parse function can handle only validation functions that return true or
false.
It has to be rewritten, to cope with validation functions that return nothing
or throw and error, as validateattributes does, to be MATLAB compatible.
_______________________________________________________
Reply to this item at:
<http://savannah.gnu.org/bugs/?49793>
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- [Octave-bug-tracker] [bug #49793] octave's inputParser only accepts validation functions that return true or false,
anonymous <=
- [Octave-bug-tracker] [bug #49793] octave's inputParser only accepts validation functions that return true or false, Amro, 2016/12/07
- [Octave-bug-tracker] [bug #49793] octave's inputParser only accepts validation functions that return true or false, Amro, 2016/12/07
- [Octave-bug-tracker] [bug #49793] octave's inputParser only accepts validation functions that return true or false, anonymous, 2016/12/08
- [Octave-bug-tracker] [bug #49793] octave's inputParser only accepts validation functions that return true or false, Amro, 2016/12/08
- [Octave-bug-tracker] [bug #49793] octave's inputParser only accepts validation functions that return true or false, John W. Eaton, 2016/12/08
- [Octave-bug-tracker] [bug #49793] octave's inputParser only accepts validation functions that return true or false, John W. Eaton, 2016/12/08
- [Octave-bug-tracker] [bug #49793] octave's inputParser only accepts validation functions that return true or false, Amro, 2016/12/08
- [Octave-bug-tracker] [bug #49793] octave's inputParser only accepts validation functions that return true or false, Mike Miller, 2016/12/17
- [Octave-bug-tracker] [bug #49793] octave's inputParser only accepts validation functions that return true or false, Amro, 2016/12/08