[Octave-bug-tracker] [bug #60048] fuzzy-logic-toolkit fails to install

[Seamus]

URL:
  <https://savannah.gnu.org/bugs/?60048>

                 Summary: fuzzy-logic-toolkit fails to install
                 Project: GNU Octave
            Submitted by: seamus
            Submitted on: Sat 13 Feb 2021 06:55:01 AM UTC
                Category: Octave Forge Package
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Installation Failure
                  Status: None
             Assigned to: None
         Originator Name: Seamus
        Originator Email: 
             Open/Closed: Open
                 Release: 5.2.0
         Discussion Lock: Any
        Operating System: GNU/Linux

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Details:

Ubuntu 20.04, Octave ver 5.2.0

This is the same issue that was originally reported approx 2 years ago. It's
been reported several times; all the bug reports are closed - claiming it's
"fixed" - but of course it's not. 

FWIW, I've never used Octave until today. I d/l and installed Octave today for
the first time - specifically because I wanted to use the fuzzy logic package.
I've wasted most of the day on this, so this bug report will reflect some of
that frustration and disappointment. Nothing new here, but let's go through
the motions, shall we?


>> pkg install fuzzy-logic-toolkit -forge
parse error near line 165 of file
/home/seamus/octave/fuzzy-logic-toolkit-0.4.5/defuzz.m

  anonymous function bodies must be single expressions

>>>   y_val = @(y_val) if (y_val == max_y) 1 else 0 endif;
                        ^

error: called from
    doc_cache_create>create_cache at line 109 column 20
    gen_doc_cache_in_dir>@<anonymous> at line 143 column 16
    doc_cache_create>gen_doc_cache_in_dir at line 144 column 9
    doc_cache_create at line 55 column 12
    install>generate_lookfor_cache at line 802 column 5
    install at line 231 column 7
    pkg at line 441 column 9
>>
 

Just for grins, I tried to install 3 other Octave packages, and... ALL FAILED
TO INSTALL:


>>pkg install signal -forge
warning: creating installation directory /home/seamus/octave
warning: called from
    install at line 30 column 5
    pkg at line 441 column 9
error: the following dependencies were unsatisfied:
   signal needs control >= 2.4
>> pkg install data-smoothing -forge
error: the following dependencies were unsatisfied:
   data-smoothing needs optim >= 1.0.3
>> pkg install statistics -forge
error: the following dependencies were unsatisfied:
   statistics needs io >= 1.0.18


This Octave project appears to be a joke, and a sham - perhaps the most
useless waste of bandwidth in the universe? Keep up the good work. 

On second thought, perhaps I'm being too harsh. Let's try one more:


>> 2+2
ans =  4


 Yeah - good work people... I knew you could do it! :) lol 





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