Re: [WWdevel] Problem with num_cmp and strings

[John J. <jj...@as...>]

Hi Mike,

For what its worth, this works fine if I use the parser based version of 
the macros.  I get the errors only if I have useOldAnswerMacros=1.

John


Michael Gage wrote:

> Hi Davide,
>
> I'm hoping you can help me out.  I'm getting a bug on the following 
> problem below whenever 'DNE' is entered as an answer.
>
> Do you recognize this as some configuration flag I'm missing?  I have 
> the pg directory up to the latest CVS HEAD.
> I'm also seeing this error on devel which wasn't affected by the 
> latest crash.
>
> Rolling back the pg directory a month doesn't seem to affect the 
> problem -- it is there in either case.
>
> I've listed the error message below the problem.  It would help if you 
> could try this out 
> on your machine and let me know whether it works.  I'm puzzled as to 
> why these problems
> have stopped working on all three machine (devel, hosted and math) 
> particularly since not much has been going on 
> on devel.
>
> Thanks much.
>
> Take care,
>
> Mike
>
>
> DOCUMENT();        # This should be the first executable line in the 
> problem.
>
> loadMacros(
> "PG.pl",
> "PGbasicmacros.pl",
> "PGchoicemacros.pl",
> "PGanswermacros.pl",
> "PGgraphmacros.pl",
> "PGauxiliaryFunctions.pl"
> );
>
> TEXT(beginproblem());
> $showPartialCorrectAnswers = 1;
> BEGIN_TEXT
> Enter DNE or a number \{ans_rule\}
> $PAR
> Enter DNE or a number \{ans_rule\}
>
> END_TEXT
>
> ANS(num_cmp('DNE', strings=>['DNE'])) ;
> ANS(num_cmp(5, strings=>['DNE']))  ;
>
> ENDDOCUMENT();        # This should be the last executable line in the 
> problem.
>
> #####
>
> *Warning messages*
>
>     * Error in Translator.pm::process_answers: Answer AnSwEr1: |dne|
>     * Not a CODE reference at line 4015 of (eval 366)
>       Died within main::check_strings called at line 545 of
>       [PG]/lib/AnswerHash.pm
>       from within AnswerEvaluator::evaluate called at line 1 of (eval 785)
>     * Error in Translator.pm::process_answers: Answer AnSwEr1:
>     * Answer evaluators must return a hash or an AnswerHash type, not
>       type || at /home/gage/webwork/pg/lib/WeBWorK/PG/Translator.pm
>       line 1158
>     * Use of uninitialized value in numeric ge (>=) at
>       /home/gage/webwork/webwork-modperl/lib/WeBWorK/ContentGenerator/Problem.pm
>       line 252.
>     * Use of uninitialized value in pattern match (m//) at
>       /home/gage/webwork/webwork-modperl/lib/WeBWorK/ContentGenerator/Problem.pm
>       line 253.
>     * Use of uninitialized value in numeric ge (>=) at
>       /home/gage/webwork/webwork-modperl/lib/WeBWorK/ContentGenerator/Problem.pm
>       line 254.
>     * Use of uninitialized value in numeric gt (>) at
>       /home/gage/webwork/webwork-modperl/lib/WeBWorK/ContentGenerator/Problem.pm
>       line 254.
>     * Use of uninitialized value in numeric gt (>) at
>       /home/gage/webwork/webwork-modperl/lib/WeBWorK/ContentGenerator/Problem.pm
>       line 257.
>
>
> "Only dead fish swim with the stream."
>
>