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Diff for /loncom/homework/default_homework.lcpm between versions 1.29 and 1.42

version 1.29, 2001/07/11 21:36:29 version 1.42, 2001/12/04 14:49:37
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 # file name (temp): default_homework  # The LearningOnline Network with CAPA 
 # used by lonxml::xmlparse() as input variable $safeinit to Apache::run::run()  # used by lonxml::xmlparse() as input variable $safeinit to Apache::run::run()
 #  #
   # $Id$
   #
   # Copyright Michigan State University Board of Trustees
   #
   # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
   #
   # LON-CAPA is free software; you can redistribute it and/or modify
   # it under the terms of the GNU General Public License as published by
   # the Free Software Foundation; either version 2 of the License, or
   # (at your option) any later version.
   #
   # LON-CAPA is distributed in the hope that it will be useful,
   # but WITHOUT ANY WARRANTY; without even the implied warranty of
   # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   # GNU General Public License for more details.
   #
   # You should have received a copy of the GNU General Public License
   # along with LON-CAPA; if not, write to the Free Software
   # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   #
   # /home/httpd/html/adm/gpl.txt
   #
   # http://www.lon-capa.org/
   #
   #
 # Guy Albertelli  # Guy Albertelli
 #  #
 # 05/25/2001 H. K. Ng  # 05/25/2001 H. K. Ng
 # 05/31/2001 H. K. Ng  # 05/31/2001 H. K. Ng
 #  #
 #init some globals  #init some globals
 $RANDOMINIT=0;  $hidden::RANDOMINIT=0;
 $pi=atan2(1,1)*4;  $pi=atan2(1,1)*4;
 $rad2deg=180.0/$pi;  $rad2deg=180.0/$pi;
 $deg2rad=$pi/180.0;  $deg2rad=$pi/180.0;
   
 sub caparesponse_check {  sub caparesponse_check {
   my $answer='';  #done    #not properly used yet: calc
   my $type='';    #done    #not to be used: $ans_fmt
     my ($answer,$type,$tol,$sig,$ans_fmt,$unit,$calc,$samples) =
       eval $_[1].
         ';return ($answer,$type,$tol,$sig,$ans_fmt,$unit,$calc,$samples);';
   
   my $tol_type=''; # gets it's value from whether tol has a % or not done    my $tol_type=''; # gets it's value from whether tol has a % or not done
   my $tol='';     #done  
   my $sig='';     #done lowerbnd,upperbnd  
   my $sig_lbound=''; #done    my $sig_lbound=''; #done
   my $sig_ubound=''; #done    my $sig_ubound=''; #done
   my $ans_fmt='';  
   my $unit='';     #done  
   my $calc='';  
   my ($response,$expr)=@_;    my ($response,$expr)=@_;
     
   ($answer,$type,$tol,$sig,$ans_fmt,  
    $unit,$calc) = eval $expr.';return $answer,$type,$tol,$sig,$ans_fmt,$unit,$calc';  
   #type's definitons come from capaParser.h    #type's definitons come from capaParser.h
     my $message='';
     #remove leading and trailing whitespace
     if ($response=~ /^\s|\s$/) {
       $response=~ s:^\s+|\s+$::g;
       $message .="Removed ws now :$response:<br />";
     } else {
       $message .="no ws in :$response:<br />";
     }
   
   if ($type eq '' ) {    if ($type eq '' ) {
       $message .= "Didn't find a type :$type:$expr: defaulting<br />";
     if ( $answer eq ($answer *1.0)) { $type = 2;      if ( $answer eq ($answer *1.0)) { $type = 2;
     } else { $type = 3; }      } else { $type = 3; }
   } else {    } else {
Line 37  sub caparesponse_check { Line 70  sub caparesponse_check {
     } elsif ($type eq 'mc')    { $type = 5;      } elsif ($type eq 'mc')    { $type = 5;
     } elsif ($type eq 'fml')   { $type = 8;      } elsif ($type eq 'fml')   { $type = 8;
     } elsif ($type eq 'subj')  { $type = 7;      } elsif ($type eq 'subj')  { $type = 7;
       } elsif ($type eq 'float') { $type = 2;
       } elsif ($type eq 'int')   { $type = 1;
     } else { return "ERROR: Unknown type of answer: $type" }      } else { return "ERROR: Unknown type of answer: $type" }
   }    }
   
     my $points;
     my $id_list;
     #formula type setup the sample points
     if ($type eq '8') {
       ($id_list,$points)=split(/@/,$samples);
       $message.="Found :$points: points<br />";
     }
   if ($tol eq '') {    if ($tol eq '') {
     $tol=0.0;      $tol=0.0;
     $tol_type=1; #TOL_ABSOLUTE      $tol_type=1; #TOL_ABSOLUTE
Line 61  sub caparesponse_check { Line 103  sub caparesponse_check {
   my $result = &caparesponse_capa_check_answer($response,$answer,$type,    my $result = &caparesponse_capa_check_answer($response,$answer,$type,
        $tol_type,$tol,         $tol_type,$tol,
        $sig_lbound,$sig_ubound,         $sig_lbound,$sig_ubound,
        $ans_fmt,$unit,$calc);         $ans_fmt,$unit,$calc,$id_list,
          $points,$external::randomseed);
   
   if    ($result == '1') { $result='EXACT_ANS'; }     if    ($result == '1') { $result='EXACT_ANS'; } 
   elsif ($result == '2') { $result='APPROX_ANS'; }    elsif ($result == '2') { $result='APPROX_ANS'; }
Line 77  sub caparesponse_check { Line 120  sub caparesponse_check {
   elsif ($result =='12') { $result='WANTED_NUMERIC'; }    elsif ($result =='12') { $result='WANTED_NUMERIC'; }
   else  {$result = "ERROR: Unknown Result:$result:$@:";}    else  {$result = "ERROR: Unknown Result:$result:$@:";}
   
   return "$result:<br />Error $error:<br />Answer $answer:<br />Response $response:<br />$type|$tol|$tol_type|$sig:$sig_lbound:$sig_ubound|$units<br />";    return "$result:<br />Error $error:<br />Answer $answer:<br />Response $response:<br /> type-$type|$tol|$tol_type|$sig:$sig_lbound:$sig_ubound|$unit|<br />$message$expr";
   }
   
   sub get_array_args {
     my ($expr,$arg)=@_;
     # do these first, because who knows what varname the instructor might have used
     # but it probably isn't $CAPARESPONSE_CHECK_LIST_answer
     my $CAPARESPONSE_CHECK_LIST_answer = eval $expr.';return $'.$arg; #'
     my $GET_ARRAY_ARGS_result;
     my @GET_ARRAY_ARGS_list;
     if ($CAPARESPONSE_CHECK_LIST_answer =~ /^\s*[\$\@]/) {
       (@GET_ARRAY_ARGS_list) = eval $CAPARESPONSE_CHECK_LIST_answer;
     }
     $GET_ARRAY_ARGS_result.="error:$@:<br />";
     # if the eval fails just use what is in the answer exactly
     if (!defined(@GET_ARRAY_ARGS_list) || !defined($GET_ARRAY_ARGS_list[0])) {
       $GET_ARRAY_ARGS_result.="list zero is undefined<br />";
       $GET_ARRAY_ARGS_list[0]=$CAPARESPONSE_CHECK_LIST_answer;
     }
     return $GET_ARRAY_ARGS_result,@GET_ARRAY_ARGS_list;
 }  }
   
 sub caparesponse_check_list {  sub caparesponse_check_list {
   my ($response,$expr)=@_;    my ($response,$expr)=@_;
   my $result='';    my $result;
     my ($result,@list) = &get_array_args($expr,'answer');
   my $aresult='';    my $aresult='';
   my $current_answer;    my $current_answer;
   my $answer = eval $expr.';return $answer';    my $answers=join(':',@list);
   my (@list) = eval $answer;    $result.="Got response :$answers:<br />";
   my (@responselist)=split /,/,$response;    my @responselist;
     my $type =eval $expr.';return $answer;';
     if ($type ne '' && $#list > 0) {
       (@responselist)=split /,/,$response;
     } else {
       (@responselist)=($response);
     }
   my $unit='';    my $unit='';
   $result.="Final response :$responselist['-1']:<br />";    $result.="Initial final response :$responselist['-1']:<br />";
   if ( $responselist['-1']=~ /(.*[^\s])\s+([^\s]+)/ ) {    if ($type eq '') {
     $responselist['-1']=$1;      #for numerical problems split off the unit
     $unit=$2;      if ( $responselist['-1']=~ /(.*[^\s])\s+([^\s]+)/ ) {
         $responselist['-1']=$1;
         $unit=$2;
       }
   }    }
   $result.="Final response :$responselist['-1']:<br />";    $result.="Final final response :$responselist['-1']:<br />";
     $result.=":$#list: answers<br />";
   $unit=~s/\s//;    $unit=~s/\s//;
   my $i=0;    my $i=0;
   my $awards='';    my $awards='';
   for ($i=0; $i<@list;$i++) {    for ($i=0; $i<@list;$i++) {
       $result.="trying answer :$list[$i]:<br />";
     if ($unit eq '') {      if ($unit eq '') {
       $aresult=&caparesponse_check($responselist[$i],        $aresult=&caparesponse_check($responselist[$i],
      $expr.';my $answer='.$list[$i].';');       $expr.';my $answer=\''.$list[$i].'\';');
     } else {      } else {
       $aresult=&caparesponse_check($responselist[$i]." $unit",        $aresult=&caparesponse_check($responselist[$i]." $unit",
    $expr.';my $answer='.$list[$i].';');     $expr.';my $answer=\''.$list[$i].'\';');
     }      }
     my ($temp)=split /:/, $aresult;      my ($temp)=split /:/, $aresult;
     $awards.="$temp,";      $awards.="$temp,";
Line 158  sub hinton { Line 232  sub hinton {
   
 sub random {  sub random {
   my ($start,$end,$step)=@_;    my ($start,$end,$step)=@_;
   if ( ! $RANDOMINIT ) { srand($external::randomseed); $RANDOMINIT=1; }    if ( ! $hidden::RANDOMINIT ) {
       srand($external::randomseed);
       $hidden::RANDOMINIT=1;
     }
   my $num=1+int(($end-$start)/$step);    my $num=1+int(($end-$start)/$step);
   my $result=$start + int(rand() * $num)*$step;    my $result=$start + int(rand() * $num)*$step;
   return $result;    return $result;
Line 237  sub random_noncentral_f { Line 314  sub random_noncentral_f {
 }  }
   
 sub random_multivariate_normal {  sub random_multivariate_normal {
   my ($item_cnt,$seed,@mean) = @_;    my ($item_cnt,$seed,$mean,$covar) = @_;
   return "Number of deviates must be greater than 0" if $item_cnt <= 0;  
   my (@covar,@retArray);  
   my $ind = 0;  
   while ($ind<$item_cnt) {  
      push @covar, pop (@mean);  
      $ind++;  
   }  
   &random_set_seed_from_phrase($seed);    &random_set_seed_from_phrase($seed);
   @retArray=&math_random_multivariate_normal($item_cnt,@mean,@covar);    @retArray=&math_random_multivariate_normal($item_cnt,@$mean,@$covar);
   return @retArray;    return @retArray;
 }  }
   
Removed from v.1.29  
changed lines
  Added in v.1.42

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