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Diff for /loncom/homework/default_homework.lcpm between versions 1.7 and 1.19

version 1.7, 2000/10/25 22:02:53 version 1.19, 2001/05/08 14:57:12
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 # used by lonxml::xmlparse() as input variable $safeinit to Apache::run::run()  # used by lonxml::xmlparse() as input variable $safeinit to Apache::run::run()
 #   # 
 #  #
   #init some globals
 $RANDOMINIT=0;  $RANDOMINIT=0;
   $pi=atan2(1,1)*4;
   
 sub caparesponse_check {  sub caparesponse_check {
   my $answer='';    my $answer='';  #done
   my $type='';    my $type='';    #done
   my $tol_type='';    my $tol_type=''; # gets it's value from whether tol has a % or not done
   my $tolerance='';    my $tol='';     #done
   my $sig_lbound='';    my $sig='';     #done lowerbnd,upperbnd
   my $sig_ubound='';    my $sig_lbound=''; #done
     my $sig_ubound=''; #done
   my $ans_fmt='';    my $ans_fmt='';
   my $unit_str='';    my $units='';     #done
   my $calc='';    my $calc='';
   my ($response,$expr)=@_;    my ($response,$expr)=@_;
       
   ($answer,$type,$tol_type,$tolerance,$sig_lbound,$sig_ubound,$ans_fmt,    ($answer,$type,$tol,$sig,$ans_fmt,
    $unit_str,$calc) = eval $expr.'return $answer,$type,$tol_type,$tolerance,$sig_lbound,$sig_ubound,$ans_fmt,$unit_str,$calc';     $units,$calc) = eval $expr.';return $answer,$type,$tol,$sig,$ans_fmt,$units,$calc';
     #type's definitons come from capaParser.h
     if ($type eq '' ) {
       if ( $answer eq ($answer *1.0)) { $type = 2;
       } else { $type = 3; }
     } else {
            if ($type eq 'cs')    { $type = 4;
       } elsif ($type eq 'ci')    { $type = 3;
       } elsif ($type eq 'mc')    { $type = 5;
       } elsif ($type eq 'fml')   { $type = 8;
       } elsif ($type eq 'subj')  { $type = 7;
       } else { return "ERROR: Unknown type of answer: $type" }
     }
   
     if ($tol eq '') {
       $tol=0.0;
       $tol_type=1; #TOL_ABSOLUTE
     } else {
       if ($tol =~ /%$/) {
         chop $tol;
         $tol_type=2; #TOL_PERCENTAGE
       } else {
         $tol_type=1; #TOL_ABSOLUTE
       }
     }
   
     if ($sig eq '') {
       $sig_lbound = 0; #SIG_LB_DEFAULT
       $sig_ubound =15; #SIG_UB_DEFAULT
     } else {
       ($sig_lbound,$sig_ubound) = split /,/,$sig;
     }
   my $result = &caparesponse_capa_check_answer($response,$answer,$type,    my $result = &caparesponse_capa_check_answer($response,$answer,$type,
        $tol_type,$tolerance,         $tol_type,$tol,
        $sig_lbound,$sig_ubound,         $sig_lbound,$sig_ubound,
        $ans_fmt, $unit_str,$calc);         $ans_fmt,$units,$calc);
   return ":$result:$response:$answer:";  
     if    ($result == '1') { $result='EXACT_ANS'; } 
     elsif ($result == '2') { $result='APPROX_ANS'; }
     elsif ($result == '3') { $result='SIG_FAIL'; }
     elsif ($result == '4') { $result='UNIT_FAIL'; }
     elsif ($result == '5') { $result='NO_UNIT'; }
     elsif ($result == '6') { $result='UNIT_OK'; }
     elsif ($result == '7') { $result='INCORRECT'; }
     elsif ($result == '8') { $result='UNIT_NOTNEEDED'; }
     elsif ($result == '9') { $result='ANS_CNT_NOT_MATCH'; }
     elsif ($result =='10') { $result='SUB_RECORDED'; }
     elsif ($result =='11') { $result='BAD_FORMULA'; }
     elsif ($result =='12') { $result='WANTED_NUMERIC'; }
     else  {$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 />";
   }
   
   sub caparesponse_check_list {
     my ($response,$expr)=@_;
     my $result='';
     my $aresult='';
     my $current_answer;
     my $answer = eval $expr.';return $answer';
     my (@list) = eval $answer;
     my (@responselist)=split /,/,$response;
     my $unit='';
     $result.="Final response :$responselist['-1']:<br />";
     if ( $responselist['-1']=~ /(.*[^\s])\s+([^\s]+)/ ) {
       $responselist['-1']=$1;
       $unit=$2;
     }
     $result.="Final response :$responselist['-1']:<br />";
     $unit=~s/\s//;
     my $i=0;
     my $awards='';
     for ($i=0; $i<@list;$i++) {
       if ($unit eq '') {
         $aresult=&caparesponse_check($responselist[$i],
        $expr.';my $answer='.$list[$i].';');
       } else {
         $aresult=&caparesponse_check($responselist[$i]." $unit",
      $expr.';my $answer='.$list[$i].';');
       }
       my ($temp)=split /:/, $aresult;
       $awards.="$temp,";
       $result.=$aresult;
     }
     chop $awards;
     return "$awards:<br />$result";
 }  }
   
 sub tex {  sub tex {
   if ( $external::target eq "tex" ) {    if ( $external::target eq "tex" ) {
     #$SCRIPT_RESULT.=@_[0];  
     return @_[0];      return @_[0];
   } else {    } else {
     #$SCRIPT_RESULT.=@_[1];  
     return @_[1];      return @_[1];
   }    }
 }  }
   
 sub web {  sub web {
   if ( $external::target eq "tex" ) {    if ( $external::target eq "tex" ) {
     #$SCRIPT_RESULT.=@_[1];  
     return @_[1];      return @_[1];
   } else {    } else {
     if ( $external::target eq "web") {      if ( $external::target eq "web") {
       #$SCRIPT_RESULT.=@_[0];  
       return @_[0];        return @_[0];
     } else {      } else {
       #$SCRIPT_RESULT.=@_[2];  
       return @_[2];        return @_[2];
     }      }
   }    }
 }  }
   
 sub problem {  sub problem {
   $SCRIPT_RESULT.='1';    return '1';
   return '';  
 }  }
   
 sub hinton {  sub hinton {
Line 68  sub random { Line 145  sub random {
 }  }
   
 sub tan  { sin($_[0]) / cos($_[0]) }  sub tan  { sin($_[0]) / cos($_[0]) }
   sub atan { atan2($_[0], 1); }
 sub acos { atan2(sqrt(1 - $_[0] * $_[0]), $_[0] ); }  sub acos { atan2(sqrt(1 - $_[0] * $_[0]), $_[0] ); }
 sub asin { atan2($_[0], sqrt(1- $_[0] * $_[0]) );  }  sub asin { atan2($_[0], sqrt(1- $_[0] * $_[0]) );  }
   sub log10 { log($_[0])/log(10); }
   
 sub html {  sub html {
   if ( $external::target eq "web" ) {    if ( $external::target eq "web" ) {
     #$SCRIPT_RESULT.=@_[0];  
     return @_[0];      return @_[0];
   }    }
 }  }
Line 85  sub floor {return int($_[0]);  } Line 163  sub floor {return int($_[0]);  }
   
 sub format {  sub format {
   my ($value,$fmt)=@_;    my ($value,$fmt)=@_;
   $SCRIPT_RESULT.=sprintf('%.'.$fmt,$value);    return sprintf('%.'.$fmt,$value);
 }  }
   
 sub map {  sub map {
Removed from v.1.7  
changed lines
  Added in v.1.19

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