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Diff for /loncom/homework/caparesponse/caparesponse.pm between versions 1.63 and 1.95

version 1.63, 2002/10/01 20:17:42 version 1.95, 2003/04/21 20:59:02
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;   if ($Apache::lonhomework::type eq 'exam' && 
  &Apache::lonxml::debug("submitted a $response<br>\n");      ($$tagstack[-1] eq 'formularesponse' ||
  &Apache::lonxml::debug($$parstack[$#$parstack] . "\n<br>");       $$tagstack[-1] eq 'stringresponse')) {
  $response =~ s/\\/\\\\/g;      $increment=&Apache::response::scored_response($partid,$id);
  $response =~ s/\'/\\\'/g;   } else {
  &Apache::lonxml::debug("current $response");      my $response = &Apache::response::getresponse();
  my $expression="&caparesponse_check_list('".$response."','".      if ( $response =~ /[^\s]/) {
   $$parstack[$#$parstack];   my $ad;
  foreach my $key (keys(%Apache::inputtags::params)) {   my %previous = &Apache::response::check_for_previous($response,$partid,$id);
   $expression.= ';my $'. #'   $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
     $key.'="'.$Apache::inputtags::params{$key}.'"';   &Apache::lonxml::debug("submitted a $response<br>\n");
  }   &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
  if ($$tagstack[-1] eq 'formularesponse') {  
   $expression.=';my $type="fml";';   if ($ENV{'form.submitted'} eq 'scantron') {
  } elsif ($$tagstack[-1] eq 'numericalresponse') {      my $number_of_bubbles = 8;#default values for number of bubbles
   $expression.=';my $type="float";';      my (@formats)=&Apache::lonxml::get_param_var('format',
  }   $parstack,$safeeval);
  $expression.="');";      my (@answers)=&Apache::lonxml::get_param_var('answer',
  $result = &Apache::run::run($expression,$safeeval);   $parstack,$safeeval);
  my ($awards) = split /:/ , $result;      my @values=&make_numerical_bubbles($number_of_bubbles,$target,
  my ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);         $answers[0],$formats[0]);
  &Apache::response::handle_previous(\%previous,$ad);      $response=$values[$response];
  $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;   } else {
  &Apache::lonxml::debug("$expression");      $response =~ s/\\/\\\\/g;
  &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");      $response =~ s/\'/\\\'/g;
  $result='';   }
       }   &Apache::lonxml::debug("current $response");
     }   my $expression="&caparesponse_check_list('".$response."','".
   } elsif ($target eq 'web' || $target eq 'tex') {      $$parstack[-1];
     if ($Apache::lonhomework::type ne 'exam') {   #no way to enter units, with radio buttons
       my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};   if ($Apache::lonhomework::type eq 'exam') {
       my $status = $Apache::inputtags::status['-1'];      $expression.=';my $unit=undef;';
       if ($award =~ /^correct/ || $status eq "SHOW_ANSWER" ) {   }
    foreach my $key (keys(%Apache::inputtags::params)) {
       $expression.= ';my $'. #'
    $key.'="'.$Apache::inputtags::params{$key}.'"';
    }
    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" || $ENV{'form.texaward'} eq 'SHOW_ANSWER') {
       my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
  if ($target eq 'web') {   $safeeval);
   $result="<br />The computer got ";      my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
         } elsif ($target eq 'tex') {      $safeeval);
   $result='\vskip 0 mm The computer got \\texttt{';      if ($target eq 'web') {
         }   $result="<br />The correct answer is ";
  for (my $i=0; $i <= $#answers; $i++) {      } elsif ($target eq 'tex') {
    my $answer=$answers[$i];   if ($ENV{'form.texaward'} eq 'SHOW_ANSWER') {
    my $format;      $result='\vskip 0 mm The correct answer is \\texttt{ ';
    if ($#formats > 0) {   }
      $format=$formats[$i];      }
    } else {      for (my $i=0; $i <= $#answers; $i++) {
      $format=$formats[0];   my $answer=$answers[$i];
    }   my $format;
    my $formatted;   if ($#formats > 0) {
    if ((defined($format)) && ($format ne '')) {      $format=$formats[$i];
      &Apache::lonxml::debug("formatting with :$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 $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);  
  my $number_of_bubbles = 8; #default values for number of bubbles  
  my @bubbles_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  
  my $factors_number = 5; #default values for number of factors  
  my $powers_number = 8; #default values for number of powers  
  my $symb;  
  if ($ENV{'form.symb'}=~/___\d+___/) {$symb=$ENV{'form.symb'};} else {$symb=$ENV{'request.symb'};}  
  my $randomseed = srand(&Apache::lonnet::rndseed($symb,$ENV{'request.course.id'},  
                                                               $ENV{'user.domain'},$ENV{'user.name'}));  
  my $ind=1+int(rand()*($factors_number-1));  
  my $factor = $factors[$ind];  
  $ind=1+int(rand()*($powers_number-1));  
  my $power = $powers[$ind];  
  for ($ind=0;$ind<$number_of_bubbles;$ind++) {  
     $bubbles_values[$ind] = $answers[0]*$factor**($power-$powers[$powers_number-$ind-1]);  
  }      
  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');  
         if ($target eq 'web') {  
     $result.= '<table border="1"><tr>';  
     for ($ind=0;$ind<$number_of_bubbles;$ind++) {  
  my $ans;  
  if ($formats[0] ne '') {  
     $ans = sprintf('%.'.$formats[0],$bubbles_values[$ind]);  
  } else {   } else {
     my $badans = $bubbles_values[$ind];      $format=$formats[0];
     my $format = '';    }
                     #What is the number? (integer,decimal,floating point)   my $formatted;
                     if ($badans=~/^(\d*\.?\d*)(E|e)(\d*)$/) {   if ((defined($format)) && ($format ne '')) {
  $format = 'e'.$2;      &Apache::lonxml::debug("formatting with :$format: answer :$answer:");
     } elsif ($badans=~/^(\d*)\.(\d*)$/) {      $formatted=sprintf('%.'.$format,$answer).',';
  $format = '4f';   } else {
     } elsif ($badans=~/^(\d*)$/) {      &Apache::lonxml::debug("no format answer :$answer:");
  $format = 'd';      $formatted="$answer,";
     }  
     $ans = sprintf('%.'.$format,$bubbles_values[$ind]);  
  }   }
     $result.='<td>'.$alphabet[$ind].': '.$ans.'</td>';   if ($ENV{'form.texaward'} eq 'SHOW_ANSWER') {
       $result.=$formatted;
    }
    if ($target eq 'tex') {
       $formatted='';
       #$formatted=&Apache::lonxml::latex_special_symbols($formatted);
    }
    $result.=$formatted;
     }      }
     $result.='</tr></table>';      chop $result;
  } elsif ($target eq 'tex') {      if ($target eq 'web') {
     my $max_val = 0;   $result.=" $unit.<br />";
     if ($formats[0]=~m/^(\d+)E([^\d]*)(\d*)$/) {      } elsif ($target eq 'tex') {
  $max_val=$1+$2+4;   if ($ENV{'form.texaward'} eq 'SHOW_ANSWER') {
     } else {      $result.=&Apache::lonxml::latex_special_symbols($unit);
  $max_val=5;      $result.="}. \\vskip 0 mm ";
     }   }
     $max_val = int(90/(($max_val+6)*2));      }
             my $celllength = 90/$max_val-12;   }
     my @table_range = ();   if ($Apache::lonhomework::type eq 'exam') {
     my $number_of_tables = int($number_of_bubbles/$max_val);      my $number_of_bubbles = 8; #default values for number of bubbles
     for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$max_val;}      my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
     if ($number_of_bubbles % $max_val != 0) {   $safeeval);
  $number_of_tables++;      my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
  push @table_range,($number_of_bubbles % $max_val);      $safeeval);
     }      my @bubble_values=&make_numerical_bubbles($number_of_bubbles,
     my $j=0;        $target,$answers[0],
     my $cou=0;        $formats[0]);
     $result.='\vskip 2 mm \noindent ';      my @alphabet=('A'..'Z');
     for (my $i=0;$i<$number_of_tables;$i++) {      my $id=$Apache::inputtags::response[-1];
  $result.='\vskip 0 mm \noindent \begin{tabular}{|';      if ($target eq 'web') {
  for ($ind=0;$ind<$table_range[$j];$ind++) {   if ($$tagstack[-1] eq 'numericalresponse') {
     $result.='lp{'.$celllength.' mm}|';      if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
  }      $result.= '<table border="1"><tr>';
  $result.='}\hline';      for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
  for ($ind=$cou;$ind<$cou+$table_range[$j];$ind++) {   $result.='<td><input type="radio" name="HWVAL_'.$id.
     my $ans;      '" value="'.$bubble_values[$ind].'"><b>'.
     if ($formats[0] ne '') {   $alphabet[$ind].'</b>: '.
  $ans = sprintf('%.'.$formats[0],$bubbles_values[$ind]);      $bubble_values[$ind].'</td>';
     } else {      }
  my $badans = $bubbles_values[$ind];      $result.='</tr></table>';
  my $format = '';    } elsif ($$tagstack[-1] eq 'formularesponse') {
  #What is the number? (integer,decimal,floating point)      $result.= '<br /><br /><font color="red">
  if ($badans=~/^(\d*\.?\d*)(E|e)(\d*)$/) {                             <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
     $format = 'e'.$2;                             </textarea></font> <br /><br />';
  } elsif ($badans=~/^(\d*)\.(\d*)$/) {   }
     $format = '4f';      } elsif ($target eq 'tex') {
  } elsif ($badans=~/^(\d*)$/) {   if (defined $unit and $Apache::lonhomework::type eq 'exam') {
     $format = 'd';      $result.=' \textit{(in} \verb|'.$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}';
  }   }
  $ans = sprintf('%.'.$format,$bubbles_values[$ind]);   $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 $repetition = &Apache::response::repetition();
       $result.='\begin{enumerate}';
       for (my $i=0;$i<$repetition;$i++) {
    $result.='\item[\textbf{'.($Apache::lonxml::counter+$i).'}.]\textit{Leave blank on scoring form}\vskip 0 mm';
     }      }
     $result.=' '.$alphabet[$ind].': & '.$ans.' ';      $increment=$repetition;
     if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}      $result.= '\end{enumerate}';
  }   }
  $cou += $table_range[$j];      }
  $j++;   }
  $result.='\\\\\hline\end{tabular}\vskip 0 mm ';      } elsif ($target eq 'edit') {
     }       $result.='</td></tr>'.&Apache::edit::end_table;
  }      } elsif ($target eq 'answer' || $target eq 'analyze') {
     }  
   } elsif ($target eq 'edit') {   my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
     $result.='</td></tr>'.&Apache::edit::end_table;   if ($target eq 'analyze') {
   } elsif ($target eq 'answer') {      push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
       $Apache::lonhomework::analyze{"$part_id.type"} = $$tagstack[-1];
     &Apache::response::setup_params($$tagstack[-1]);  
     my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);  
     my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);  
     my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);  
     my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);  
   
     $result.=&Apache::response::answer_header($$tagstack[-1]);  
     for(my $i=0;$i<=$#answers;$i++) {  
       my $ans=$answers[$i];  
       my $fmt;  
       if (@formats) {  
  if ($#formats) {  
   $fmt=$formats[$i];  
  } else {  
   $fmt=$formats[0];  
  }   }
       }   &Apache::response::setup_params($$tagstack[-1]);
       my ($high,$low);   my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
       if ($Apache::inputtags::params{'tol'}) {   my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
  ($high,$low)=&get_tolrange($ans,$Apache::inputtags::params{'tol'});   my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
       }   my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
       my ($sighigh,$siglow);  
       if ($Apache::inputtags::params{'sig'}) {   if ($target eq 'answer') {
  ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});      $result.=&Apache::response::answer_header($$tagstack[-1]);
       }   }
       if ($fmt) {   for(my $i=0;$i<=$#answers;$i++) {
  $ans = sprintf('%.'.$fmt,$ans);      my $ans=$answers[$i];
  if ($high) {      my $fmt=$formats[0];
   $high = sprintf('%.'.$fmt,$high); $low = sprintf('%.'.$fmt,$low);      if (@formats && $#formats) {$fmt=$formats[$i];}
  }      my ($high,$low);
       }      if ($Apache::inputtags::params{'tol'}) {
       if ($high) { $ans.=' ['.$low.','.$high.'] '; }   ($high,$low)=&get_tolrange($ans,$Apache::inputtags::params{'tol'});
       if ($sighigh) { $ans.= "Sig <i>$siglow - $sighigh</i>"; }      }
       $result.=&Apache::response::answer_part($$tagstack[-1],$ans);      my ($sighigh,$siglow);
     }      if ($Apache::inputtags::params{'sig'}) {
     if ($unit) {   ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
       $result.=&Apache::response::answer_part($$tagstack[-1],"Unit: <b>$unit</b>");      }
     }      if ($fmt) {
     if ($type || $token->[1] eq 'stringresponse') {   $ans = sprintf('%.'.$fmt,$ans);
       my $string='Case Insensitive';   if ($high) {
       if ($type eq 'mc') {      $high=sprintf('%.'.$fmt,$high);
  $string='Multiple Choice';      $low =sprintf('%.'.$fmt,$low);
       } elsif ($type eq 'cs') {   }
  $string='Case Sensitive';      }
       } elsif ($type eq 'ci') {      if ($target eq 'answer') {
  $string='Case Insensitive';   if ($high) { $ans.=' ['.$low.','.$high.']'; }
       } elsif ($type eq 'fml') {   if ($sighigh) { $ans.= " Sig <i>$siglow - $sighigh</i>"; }
  $string='Formula';   $result.=&Apache::response::answer_part($$tagstack[-1],$ans);
       }      } elsif ($target eq 'analyze') {
       $result.=&Apache::response::answer_part($$tagstack[-1],   push (@{ $Apache::lonhomework::analyze{"$part_id.answer"} }, $ans);
       '<b>'.$string.'</b>');   if ($high) {
     }      push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"} }, $high);
     if ($$tagstack[-1] eq 'formularesponse') {      push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"} }, $low);
       my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);   }
       $result.=&Apache::response::answer_part($$tagstack[-1],$samples);      }
     }   }
     $result.=&Apache::response::answer_footer($$tagstack[-1]);   if ($unit) {
   }      if ($target eq 'answer') {
   &Apache::response::end_response;   $result.=&Apache::response::answer_part($$tagstack[-1],
   return $result;   "Unit: <b>$unit</b>");
       } elsif ($target eq 'analyze') {
    push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} },
         $unit);
       }
    }
    if ($type || $token->[1] eq 'stringresponse') {
       my $string='Case Insensitive';
       if ($type eq 'mc') {
    $string='Multiple Choice';
       } elsif ($type eq 'cs') {
    $string='Case Sensitive';
       } elsif ($type eq 'ci') {
    $string='Case Insensitive';
       } elsif ($type eq 'fml') {
    $string='Formula';
       }
       if ($target eq 'answer') {
    $result.=&Apache::response::answer_part($$tagstack[-1],
    '<b>'.$string.'</b>');
       } elsif ($target eq 'analyze') {
    push (@{ $Apache::lonhomework::analyze{"$part_id.type"} },
         $type);
       }
    }
    if ($$tagstack[-1] eq 'formularesponse' && $target eq 'answer') {
       my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
       $result.=&Apache::response::answer_part($$tagstack[-1],$samples);
    }
    if ($target eq 'answer') {
       $result.=&Apache::response::answer_footer($$tagstack[-1]);
    }
       }
       if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
    $target eq 'tex' || $target eq 'analyze') {
    &Apache::lonxml::increment_counter($increment);
       }
       &Apache::response::end_response;
       return $result;
   }
   
   sub get_table_sizes {
       my ($format,$number_of_bubbles)=@_;
       my $max_val = 0;
       if ($format=~m/^(\d+)E([^\d]*)(\d*)$/) {
    $max_val=$1+$2+4;
       } else {
    $max_val=4;
       }
       $max_val = int(0.9*$ENV{'form.textwidth'}/(($max_val+6)*2));
       my $celllength = 0.9*$ENV{'form.textwidth'}/$max_val-10;
       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 % $max_val);
       }
       return ($celllength,$number_of_tables,@table_range);
   }
   
   sub format_number {
       my ($number,$format,$target)=@_;
       my $ans;
       if ($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.1.63  
changed lines
  Added in v.1.95

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