[BACK]Return to caparesponse.pm CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / homework / caparesponse

Diff for /loncom/homework/caparesponse/caparesponse.pm between versions 1.59 and 1.92

version 1.59, 2002/09/30 16:01:36 version 1.92, 2003/04/08 04:17:13
Line 31  use strict; Line 31  use strict;
 use capa;  use capa;
   
 BEGIN {  BEGIN {
   &Apache::lonxml::register('Apache::caparesponse',('caparesponse','numericalresponse','stringresponse','formularesponse'));      &Apache::lonxml::register('Apache::caparesponse',('caparesponse','numericalresponse','stringresponse','formularesponse'));
 }  
   
 sub start_caparesponse {  
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;  
   my $id = &Apache::response::start_response($parstack,$safeeval);  
   return '';  
 }  
   
 sub end_caparesponse {  
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;  
   my $result = '';  
   if ( $target eq 'grade' ) {  
     if ( defined $ENV{'form.submitted'}) {  
       $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);  
       my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};  
       if ( $response =~ /[^\s]/) {  
  my $id = $Apache::inputtags::response['-1'];  
  my $previous= &Apache::response::check_for_previous($response,$id,$response);  
  if ( $previous ) {   
   $result = 'PREVIOUSLY_USED';  
  } else {  
   $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$response;  
   &Apache::lonxml::debug("submitted a $response<br>\n");  
   &Apache::lonxml::debug($$parstack[$#$parstack] . "\n<br>");  
   my $expression="&caparesponse_check('".$response."','".  
     $$parstack[$#$parstack].  
       ';my $tol="'.$Apache::inputtags::params{'tol'}.'"'.  
  ';my $sig="'.$Apache::inputtags::params{'sig'}.'"'.  
   "');";  
   $result = &Apache::run::run($expression,$safeeval);  
   my ($ad) = split /:/ , $result;  
   $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}=$ad;  
   &Apache::lonxml::debug("$expression");  
   &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");  
  }  
       }  
     }  
   } elsif ($target eq 'web') {  
     #$result .= "The correct answer is ".&Apache::run::run("{$$parstack['-1'];".'return $answer}',$safeeval)."\n";  
   }  
   #Apache::lonxml::debug("\n<br>\nreal end caparesponse<br>\n");  
   &Apache::response::end_response;  
   return '';  
 }  }
   
 sub start_numericalresponse {  sub start_numericalresponse {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   my $id = &Apache::response::start_response($parstack,$safeeval);      my $id = &Apache::response::start_response($parstack,$safeeval);
   my $result;      my $result;
   if ($target eq 'edit') {      if ($target eq 'edit') {
     $result.=&Apache::edit::tag_start($target,$token);   $result.=&Apache::edit::tag_start($target,$token);
     $result.=&Apache::edit::text_arg('Answer:','answer',$token);   $result.=&Apache::edit::text_arg('Answer:','answer',$token);
     if ($token->[1] eq 'numericalresponse') {   if ($token->[1] eq 'numericalresponse') {
       $result.=&Apache::edit::text_arg('Unit:','unit',$token,5);      $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
       $result.=&Apache::edit::text_arg('Format:','format',$token,4);   &Apache::loncommon::help_open_topic('Physical_Units');
     } elsif ($token->[1] eq 'stringresponse') {      $result.=&Apache::edit::text_arg('Format:','format',$token,4).
       $result.=&Apache::edit::select_arg('Type:','type',   &Apache::loncommon::help_open_topic('Numerical_Response_Format');
  ['cs','ci','mc'],$token);   } elsif ($token->[1] eq 'stringresponse') {
     } elsif ($token->[1] eq 'formularesponse') {      $result.=&Apache::edit::select_arg('Type:','type',
       $result.=&Apache::edit::text_arg('Sample Points:','samples',$token,40);   [['cs','Case Sensitive'],['ci','Case Insensitive'],
     }    ['mc','Case Insensitive, Any Order']],$token);
     $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();   } elsif ($token->[1] eq 'formularesponse') {
   } elsif ($target eq 'modified') {      $result.=&Apache::edit::text_arg('Sample Points:','samples',
     my $constructtag;       $token,40).
     if ($token->[1] eq 'numericalresponse') {        &Apache::loncommon::help_open_topic('Formula_Response_Sampling');
       $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,   }
  'answer','unit','format');   $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
     } elsif ($token->[1] eq 'stringresponse') {      } elsif ($target eq 'modified') {
       $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,   my $constructtag;
  'answer','type');   if ($token->[1] eq 'numericalresponse') {
     } elsif ($token->[1] eq 'formularesponse') {      $constructtag=&Apache::edit::get_new_args($token,$parstack,
       $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,        $safeeval,'answer',
  'answer','samples');        'unit','format');
     }   } elsif ($token->[1] eq 'stringresponse') {
     if ($constructtag) {      $constructtag=&Apache::edit::get_new_args($token,$parstack,
       $result = &Apache::edit::rebuild_tag($token);        $safeeval,'answer',
       $result.=&Apache::edit::handle_insert();        'type');
     }   } elsif ($token->[1] eq 'formularesponse') {
   } elsif ($target eq 'meta') {      $constructtag=&Apache::edit::get_new_args($token,$parstack,
     $result=&Apache::response::meta_package_write('numericalresponse');        $safeeval,'answer',
   }        'samples');
   return $result;   }
    if ($constructtag) {
       $result = &Apache::edit::rebuild_tag($token);
       $result.=&Apache::edit::handle_insert();
    }
       } elsif ($target eq 'meta') {
    $result=&Apache::response::meta_package_write('numericalresponse');
       } elsif ($target eq 'answer' || $target eq 'grade') {
    &Apache::response::reset_params();
       }
       return $result;
 }  }
   
 sub end_numericalresponse {  sub end_numericalresponse {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $result = '';      my $increment=1;
   if ( $target eq 'grade' ) {      my $result = '';
     if ( defined $ENV{'form.submitted'}) {      if (!$Apache::lonxml::default_homework_loaded) {
       &Apache::response::setup_params($$tagstack[-1]);   &Apache::lonxml::default_homework_load($safeeval);
       $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);      }
       my $partid = $Apache::inputtags::part;      if ( $target eq 'grade' && defined $ENV{'form.submitted'}) {
       my $id = $Apache::inputtags::response['-1'];   &Apache::response::setup_params($$tagstack[-1]);
       my $response = $ENV{'form.HWVAL'.$id};   $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
       if ( $response =~ /[^\s]/) {   my $partid = $Apache::inputtags::part;
  my %previous = &Apache::response::check_for_previous($response,$partid,$id);   my $id = $Apache::inputtags::response['-1'];
  $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;   my $response = &Apache::response::getresponse();
  &Apache::lonxml::debug("submitted a $response<br>\n");   if ( $response =~ /[^\s]/) {
  &Apache::lonxml::debug($$parstack[$#$parstack] . "\n<br>");      my $ad;
  $response =~ s/\\/\\\\/g;      my %previous = &Apache::response::check_for_previous($response,$partid,$id);
  $response =~ s/\'/\\\'/g;      $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
  &Apache::lonxml::debug("current $response");      &Apache::lonxml::debug("submitted a $response<br>\n");
  my $expression="&caparesponse_check_list('".$response."','".      &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
   $$parstack[$#$parstack];  
  foreach my $key (keys(%Apache::inputtags::params)) {      if ($ENV{'form.submitted'} eq 'scantron') {
   $expression.= ';my $'. #'   my $number_of_bubbles = 8;#default values for number of bubbles
     $key.'="'.$Apache::inputtags::params{$key}.'"';   my (@formats)=&Apache::lonxml::get_param_var('format',
  }   $parstack,$safeeval);
  if ($$tagstack[-1] eq 'formularesponse') {   my (@answers)=&Apache::lonxml::get_param_var('answer',
   $expression.=';my $type="fml";';   $parstack,$safeeval);
  } elsif ($$tagstack[-1] eq 'numericalresponse') {   my @values=&make_numerical_bubbles($number_of_bubbles,$target,
   $expression.=';my $type="float";';     $answers[0],$formats[0]);
  }   $response=$values[$response];
  $expression.="');";      } else {
  $result = &Apache::run::run($expression,$safeeval);   $response =~ s/\\/\\\\/g;
  my ($awards) = split /:/ , $result;   $response =~ s/\'/\\\'/g;
  my ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);      }
  &Apache::response::handle_previous(\%previous,$ad);      &Apache::lonxml::debug("current $response");
  $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;      my $expression="&caparesponse_check_list('".$response."','".
  &Apache::lonxml::debug("$expression");   $$parstack[-1];
  &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");      #no way to enter units, with radio buttons
  $result='';      if ($Apache::lonhomework::type eq 'exam') {
       }   $expression.=';my $unit=undef;';
     }      }
   } elsif ($target eq 'web' || $target eq 'tex') {      foreach my $key (keys(%Apache::inputtags::params)) {
     if ($Apache::lonhomework::type ne 'exam') {   $expression.= ';my $'. #'
       my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};      $key.'="'.$Apache::inputtags::params{$key}.'"';
       my $status = $Apache::inputtags::status['-1'];      }
       if ($award =~ /^correct/ || $status eq "SHOW_ANSWER" ) {      if ($$tagstack[-1] eq 'formularesponse') {
    $expression.=';my $type="fml";';
       } elsif ($$tagstack[-1] eq 'numericalresponse') {
    $expression.=';my $type="float";';
       }
       $expression.="');";
       $result = &Apache::run::run($expression,$safeeval);
       my ($awards) = split /:/ , $result;
       ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
       &Apache::lonxml::debug("$expression");
       &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
       &Apache::response::handle_previous(\%previous,$ad);
       $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
       $result='';
    }
       } elsif ($target eq 'web' || $target eq 'tex') {
  my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,   my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
      $safeeval);       $safeeval);
  my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,   my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
      $safeeval);   my $status = $Apache::inputtags::status['-1'];
  my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);   if ($award =~ /^correct/ || $status eq "SHOW_ANSWER" ) {
       my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
    $safeeval);
       my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
       $safeeval);
       if ($target eq 'web') {
    $result="<br />The correct answer is ";
       } elsif ($target eq 'tex') {
    #$result='\vskip 0 mm The correct answer is \\texttt{';
       }
       for (my $i=0; $i <= $#answers; $i++) {
    my $answer=$answers[$i];
    my $format;
    if ($#formats > 0) {
       $format=$formats[$i];
    } else {
       $format=$formats[0];
    }
    my $formatted;
    if ((defined($format)) && ($format ne '')) {
       &Apache::lonxml::debug("formatting with :$format: answer :$answer:");
       $formatted=sprintf('%.'.$format,$answer).',';
    } else {
       &Apache::lonxml::debug("no format answer :$answer:");
       $formatted="$answer,";
    }
   
    if ($target eq 'tex') {
       $formatted='';
       #$formatted=&Apache::lonxml::latex_special_symbols($formatted);
    }
    $result.=$formatted;
       }
       chop $result;
       if ($target eq 'web') {
    $result.=" $unit.<br />";
       } elsif ($target eq 'tex') {
    #$result.=&Apache::lonxml::latex_special_symbols($unit);
    #$result.="}. \\vskip 0 mm ";
       }
    }
    if ($Apache::lonhomework::type eq 'exam') {
       my $number_of_bubbles = 8; #default values for number of bubbles
       my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
    $safeeval);
       my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
       $safeeval);
       my @bubble_values=&make_numerical_bubbles($number_of_bubbles,
         $target,$answers[0],
         $formats[0]);
       my @alphabet=('A'..'Z');
       my $id=$Apache::inputtags::response[-1];
       if ($target eq 'web') {
    if ($$tagstack[-1] eq 'numericalresponse') {
       if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
       $result.= '<table border="1"><tr>';
       for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
    $result.='<td><input type="radio" name="HWVAL_'.$id.
       '" value="'.$bubble_values[$ind].'"><b>'.
    $alphabet[$ind].'</b>: '.
       $bubble_values[$ind].'</td>';
       }
       $result.='</tr></table>';
    } elsif ($$tagstack[-1] eq 'formularesponse') {
       $result.= '<br /><br /><font color="red">
                              <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
                              </textarea></font> <br /><br />';
    }
       } elsif ($target eq 'tex') {
    if (defined $unit and $Apache::lonhomework::type eq 'exam') {
       $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
    }
    if ($$tagstack[-1] eq 'numericalresponse') {
       my ($celllength,$number_of_tables,@table_range)=
    &get_table_sizes($formats[0],$number_of_bubbles);
       my $j=0;
       my $cou=0;
       $result.='\vskip -1 mm \noindent \begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]';
       for (my $i=0;$i<$number_of_tables;$i++) {
    $result.='\vskip -1 mm \noindent \begin{tabular}{';
    for (my $ind=0;$ind<$table_range[$j];$ind++) {
       $result.='lp{'.$celllength.' mm}';
    }
    $result.='}';
    for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
       $result.='\hskip -3 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -2 mm & {\small '.$bubble_values[$ind].'} ';
       if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
    }
    $cou += $table_range[$j];
    $j++;
    $result.='\\\\\end{tabular}\vskip 0 mm ';
       }
       $result.='\end{enumerate}';
    } else {
       $result.='\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
       my $id = $Apache::inputtags::part;
       my $weight = &Apache::lonnet::EXT("resource.$id.weight");
       my $repetition = int $weight/9;
       if ($weight % 9 != 0) {$repetition++;}
       $result.='\begin{enumerate}';
       for (my $i=0;$i<$repetition;$i++) {
    $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]\textit{Leave blank on scoring form}\vskip 0 mm';
       }
       $increment=$repetition;
       $result.= '\end{enumerate}';
    }
       }
    }
       } elsif ($target eq 'edit') {
    $result.='</td></tr>'.&Apache::edit::end_table;
       } elsif ($target eq 'answer' || $target eq 'analyze') {
   
  if ($target eq 'web') {   my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
   $result="<br />The computer got ";   if ($target eq 'analyze') {
         } elsif ($target eq 'tex') {      push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
   $result='\vskip 0 mm The computer got \\texttt{';      $Apache::lonhomework::analyze{"$part_id.type"} = $$tagstack[-1];
         }   }
  for (my $i=0; $i <= $#answers; $i++) {   &Apache::response::setup_params($$tagstack[-1]);
    my $answer=$answers[$i];   my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
    my $format;  
    if ($#formats > 0) {  
      $format=$formats[$i];  
    } else {  
      $format=$formats[0];  
    }  
    my $formatted;  
    if ((defined($format)) && ($format ne '')) {  
      &Apache::lonxml::debug("formatting with :$format: answer :$answer:");  
      $formatted=sprintf('%.'.$format,$answer).',';  
    } else {  
      &Apache::lonxml::debug("no format answer :$answer:");  
      $formatted="$answer,";  
    }  
    if ($target eq 'tex') {$formatted=&Apache::lonxml::latex_special_symbols($formatted);}  
      $result.=$formatted;  
            }  
    chop $result;  
    if ($target eq 'web') {  
      $result.=" $unit.<br />";  
    } elsif ($target eq 'tex') {  
      $result.=&Apache::lonxml::latex_special_symbols($unit);  
      $result.="}. \\vskip 0 mm ";  
    }  
        }  
     } else {  
       my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);  
  my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);   my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
  my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);   my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
  my $number_of_bubbles = 8; #default values for number of bubbles   my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
  my @bubbles_values = ();   
  my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors   if ($target eq 'answer') {
  my @powers = (1.0,2.0,3.0,4.0,5.0,6.0,7.0,8.0); #default values for powers      $result.=&Apache::response::answer_header($$tagstack[-1]);
  my $factors_number = 5; #default values for number of factors   }
  my $powers_number = 8; #default values for number of powers   for(my $i=0;$i<=$#answers;$i++) {
  my $symb;      my $ans=$answers[$i];
  if ($ENV{'form.symb'}=~/___\d+___/) {$symb=$ENV{'form.symb'};} else {$symb=$ENV{'request.symb'};}      my $fmt=$formats[0];
  my $randomseed = srand(&Apache::lonnet::rndseed($symb,$ENV{'request.course.id'},      if (@formats && $#formats) {$fmt=$formats[$i];}
                                                               $ENV{'user.domain'},$ENV{'user.name'}));      my ($high,$low);
  my $ind=1+int(rand()*($factors_number-1));      if ($Apache::inputtags::params{'tol'}) {
  my $factor = $factors[$ind];   ($high,$low)=&get_tolrange($ans,$Apache::inputtags::params{'tol'});
  $ind=1+int(rand()*($powers_number-1));      }
  my $power = $powers[$ind];      my ($sighigh,$siglow);
  for ($ind=0;$ind<$number_of_bubbles;$ind++) {      if ($Apache::inputtags::params{'sig'}) {
     $bubbles_values[$ind] = $answers[0]*$factor**($power-$powers[$powers_number-$ind-1]);   ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
  }          }
         if ($target eq 'web') {      if ($fmt) {
     $result.= '<table border="1"><tr>';   $ans = sprintf('%.'.$fmt,$ans);
     for ($ind=0;$ind<$number_of_bubbles;$ind++) {   if ($high) {
  my $ans = sprintf('%.'.$formats[0],$bubbles_values[$ind]);      $high=sprintf('%.'.$fmt,$high);
  $result.='<td>'.$ans.'</td>';      $low =sprintf('%.'.$fmt,$low);
  }  
     $result.='</tr></table>';  
  } elsif ($target eq 'tex') {  
     my @alphabet = ('A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P',  
                             'Q','R','S','T','U','V','W','X','Y','Z');  
     my $max_val = 0;  
     if ($formats[0]=~m/^(\d+)E([^\d]*)(\d*)$/) {  
  $max_val=$1+$2+4;  
     }  
     $max_val = int(90/(($max_val+6)*2));  
             my $celllength = 90/$max_val-12;  
     my @table_range = ();  
     my $number_of_tables = int($number_of_bubbles/$max_val);  
     for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$max_val;}  
     if ($number_of_bubbles % $max_val != 0) {  
  $number_of_tables++;  
  push @table_range,($number_of_bubbles % $max_val);  
     }  
     my $j=0;  
     my $cou=0;  
     $result.='\vskip 2 mm \noindent ';  
     for (my $i=0;$i<$number_of_tables;$i++) {  
  $result.='\vskip 0 mm \noindent \begin{tabular}{|';  
  for ($ind=0;$ind<$table_range[$j];$ind++) {  
     $result.='lp{'.$celllength.' mm}|';  
  }   }
  $result.='}\hline';      }
  for ($ind=$cou;$ind<$cou+$table_range[$j];$ind++) {      if ($target eq 'answer') {
     my $ans = sprintf('%.'.$formats[0],$bubbles_values[$ind]);   if ($high) { $ans.=' ['.$low.','.$high.']'; }
     $result.=' '.$alphabet[$ind].': & '.$ans.' ';   if ($sighigh) { $ans.= " Sig <i>$siglow - $sighigh</i>"; }
     if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}   $result.=&Apache::response::answer_part($$tagstack[-1],$ans);
       } elsif ($target eq 'analyze') {
    push (@{ $Apache::lonhomework::analyze{"$part_id.answer"} }, $ans);
    if ($high) {
       push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"} }, $high);
       push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"} }, $low);
  }   }
  $j++;      }
  $cou += $table_range[$j];   }
  $result.='\\\\\hline\end{tabular}\vskip 0 mm ';   if ($unit) {
     }          if ($target eq 'answer') {
  }   $result.=&Apache::response::answer_part($$tagstack[-1],
     }   "Unit: <b>$unit</b>");
   } elsif ($target eq 'edit') {      } elsif ($target eq 'analyze') {
     $result.='</td></tr>'.&Apache::edit::end_table;   push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} },
   } elsif ($target eq 'answer') {        $unit);
       }
     &Apache::response::setup_params($$tagstack[-1]);   }
     my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);   if ($type || $token->[1] eq 'stringresponse') {
     my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);      my $string='Case Insensitive';
     my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);      if ($type eq 'mc') {
     my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);   $string='Multiple Choice';
       } elsif ($type eq 'cs') {
     $result.=&Apache::response::answer_header($$tagstack[-1]);   $string='Case Sensitive';
     for(my $i=0;$i<=$#answers;$i++) {      } elsif ($type eq 'ci') {
       my $ans=$answers[$i];   $string='Case Insensitive';
       my $fmt;      } elsif ($type eq 'fml') {
       if (@formats) {   $string='Formula';
  if ($#formats) {      }
   $fmt=$formats[$i];      if ($target eq 'answer') {
  } else {   $result.=&Apache::response::answer_part($$tagstack[-1],
   $fmt=$formats[0];   '<b>'.$string.'</b>');
  }      } elsif ($target eq 'analyze') {
       }   push (@{ $Apache::lonhomework::analyze{"$part_id.type"} },
       my ($high,$low);        $type);
       if ($Apache::inputtags::params{'tol'}) {      }
  ($high,$low)=&get_tolrange($ans,$Apache::inputtags::params{'tol'});   }
       }   if ($$tagstack[-1] eq 'formularesponse' && $target eq 'answer') {
       my ($sighigh,$siglow);      my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
       if ($Apache::inputtags::params{'sig'}) {      $result.=&Apache::response::answer_part($$tagstack[-1],$samples);
  ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});   }
       }   if ($target eq 'answer') {
       if ($fmt) {      $result.=&Apache::response::answer_footer($$tagstack[-1]);
  $ans = sprintf('%.'.$fmt,$ans);   }
  if ($high) {      }
   $high = sprintf('%.'.$fmt,$high); $low = sprintf('%.'.$fmt,$low);      if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
  }   $target eq 'tex' || $target eq 'analyze') {
       }   &Apache::lonxml::increment_counter($increment);
       if ($high) { $ans.=' ['.$low.','.$high.'] '; }      }
       if ($sighigh) { $ans.= "Sig <i>$siglow - $sighigh</i>"; }      &Apache::response::end_response;
       $result.=&Apache::response::answer_part($$tagstack[-1],$ans);      return $result;
     }  }
     if ($unit) {  
       $result.=&Apache::response::answer_part($$tagstack[-1],"Unit: <b>$unit</b>");  sub get_table_sizes {
     }      my ($format,$number_of_bubbles)=@_;
     if ($type || $token->[1] eq 'stringresponse') {      my $max_val = 0;
       my $string='Case Insensitive';      if ($format=~m/^(\d+)E([^\d]*)(\d*)$/) {
       if ($type eq 'mc') {   $max_val=$1+$2+4;
  $string='Multiple Choice';      } else {
       } elsif ($type eq 'cs') {   $max_val=4;
  $string='Case Sensitive';      }
       } elsif ($type eq 'ci') {      $max_val = int(0.9*$ENV{'form.textwidth'}/(($max_val+6)*2));
  $string='Case Insensitive';      my $celllength = 0.9*$ENV{'form.textwidth'}/$max_val-10;
       } elsif ($type eq 'fml') {      my @table_range = ();
  $string='Formula';      my $number_of_tables = int($number_of_bubbles/$max_val);
       }      for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$max_val;}
       $result.=&Apache::response::answer_part($$tagstack[-1],      if ($number_of_bubbles % $max_val != 0) {
       '<b>'.$string.'</b>');   $number_of_tables++;
     }   push @table_range,($number_of_bubbles % $max_val);
     if ($$tagstack[-1] eq 'formularesponse') {      }
       my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);      return ($celllength,$number_of_tables,@table_range);
       $result.=&Apache::response::answer_part($$tagstack[-1],$samples);  }
     }  
     $result.=&Apache::response::answer_footer($$tagstack[-1]);  sub format_number {
   }      my ($number,$format,$target)=@_;
   &Apache::response::end_response;      my $ans;
   return $result;      if ($format ne '') {
    $ans = sprintf('%.'.$format,$number);
       } else {
    my $format = '';
    #What is the number? (integer,decimal,floating point)
    if ($number=~/^(\d*\.?\d*)(E|e)(\d*)$/) {
       $format = 'e'.$2;
    } elsif ($number=~/^(\d*)\.(\d*)$/) {
       $format = '4f';
    } elsif ($number=~/^(\d*)$/) {
       $format = 'd';
    }
    $ans = sprintf('%.'.$format,$number);
       }
       if ($target eq 'tex') {
    if ($ans =~ m/([0-9\.\-\+]+)E([0-9\-\+]+)/ ) {
       my $number = $1;
       my $power = $2;
       $power=~s/^\+//;
       $power=~s/^(-?)0+(\d+)//;
       $ans=$number.'$\times 10^{'.$1.$2.'}$'; #'stupidemacs
    }
       }
       return $ans;
   }
   
   sub make_numerical_bubbles {
       my ($number_of_bubbles,$target,$answer,$format) =@_;
       my @bubble_values = ();
       my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
       my @powers = (1.0,2.0,3.0,4.0,5.0,6.0,7.0,8.0); #default values for powers
       &Apache::response::setrandomnumber();
       my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);
       my $power = $powers[$ind];
       $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
       my $factor = $factors[$ind];
       for ($ind=0;$ind<$number_of_bubbles;$ind++) {
    $bubble_values[$ind] = $answer*($factor**($power-$powers[$#powers-$ind]));
    $bubble_values[$ind] = &format_number($bubble_values[$ind],
          $format,$target);
   
       }
       return @bubble_values;
 }  }
   
 sub get_tolrange {  sub get_tolrange {
   my ($ans,$tol)=@_;      my ($ans,$tol)=@_;
   my ($high,$low);      my ($high,$low);
   if ($tol =~ /%$/) {      if ($tol =~ /%$/) {
     chop($tol);   chop($tol);
     my $change=$ans*($tol/100.0);   my $change=$ans*($tol/100.0);
     $high=$ans+$change;   $high=$ans+$change;
     $low=$ans-$change;   $low=$ans-$change;
   } else {      } else {
     $high=$ans+$tol;   $high=$ans+$tol;
     $low=$ans-$tol;   $low=$ans-$tol;
   }      }
   return ($high,$low);      return ($high,$low);
 }  }
   
 sub get_sigrange {  sub get_sigrange {
   my ($sig)=@_;      my ($sig)=@_;
   &Apache::lonxml::debug("Got a sig of :$sig:");      &Apache::lonxml::debug("Got a sig of :$sig:");
   my $sig_lbound;      my $sig_lbound;
   my $sig_ubound;      my $sig_ubound;
   if ($sig eq '') {      if ($sig eq '') {
     $sig_lbound = 0; #SIG_LB_DEFAULT   $sig_lbound = 0; #SIG_LB_DEFAULT
     $sig_ubound =15; #SIG_UB_DEFAULT   $sig_ubound =15; #SIG_UB_DEFAULT
   } else {      } else {
     ($sig_lbound,$sig_ubound) = split(/,/,$sig);   ($sig_lbound,$sig_ubound) = split(/,/,$sig);
     if (!$sig_lbound) {   if (!$sig_lbound) {
       $sig_lbound = 0; #SIG_LB_DEFAULT      $sig_lbound = 0; #SIG_LB_DEFAULT
       $sig_ubound =15; #SIG_UB_DEFAULT      $sig_ubound =15; #SIG_UB_DEFAULT
     }   }
     if (!$sig_ubound) { $sig_ubound=$sig_lbound; }   if (!$sig_ubound) { $sig_ubound=$sig_lbound; }
   }      }
   return ($sig_ubound,$sig_lbound);      return ($sig_ubound,$sig_lbound);
 }  }
   
 sub start_stringresponse {  sub start_stringresponse {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $result;      my $result;
   if ($target eq 'meta') {      if ($target eq 'meta') {
     $result=&Apache::response::meta_package_write('stringresponse');   $result=&Apache::response::meta_package_write('stringresponse');
   } else {      } else {
     $result.=&start_numericalresponse(@_);   $result.=&start_numericalresponse(@_);
   }      }
   return $result;      return $result;
 }  }
   
 sub end_stringresponse {  sub end_stringresponse {
   return end_numericalresponse(@_);      return end_numericalresponse(@_);
 }  }
   
 sub start_formularesponse {  sub start_formularesponse {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $result;      my $result;
   if ($target eq 'meta') {      if ($target eq 'meta') {
     $result=&Apache::response::meta_package_write('formularesponse');   $result=&Apache::response::meta_package_write('formularesponse');
   } else {      } else {
     $result.=&start_numericalresponse(@_);   $result.=&start_numericalresponse(@_);
   }      }
   return $result;      return $result;
 }  }
   
 sub end_formularesponse {  sub end_formularesponse {
   return end_numericalresponse(@_);      return end_numericalresponse(@_);
 }  }
   
 1;  1;
 __END__  __END__
    
Removed from v.1.59  
changed lines
  Added in v.1.92

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