[LON-CAPA-cvs] cvs: modules /gerd/maxima caparesponse.pm default_homework.lcpm lonmaxima.pm
bisitz
lon-capa-cvs@mail.lon-capa.org
Mon, 12 Jun 2006 13:51:17 -0000
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bisitz Mon Jun 12 09:51:17 2006 EDT
Added files:
/modules/gerd/maxima caparesponse.pm default_homework.lcpm
Modified files:
/modules/gerd/maxima lonmaxima.pm
Log:
Work on mathresponse
--bisitz1150120277
Content-Type: text/plain
Content-Disposition: attachment; filename="bisitz-20060612095117.txt"
Index: modules/gerd/maxima/lonmaxima.pm
diff -u modules/gerd/maxima/lonmaxima.pm:1.2 modules/gerd/maxima/lonmaxima.pm:1.3
--- modules/gerd/maxima/lonmaxima.pm:1.2 Wed Mar 15 15:44:54 2006
+++ modules/gerd/maxima/lonmaxima.pm Mon Jun 12 09:51:13 2006
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# Interface routines to MAXIMA CAS
#
-# $Id: lonmaxima.pm,v 1.2 2006/03/15 20:44:54 www Exp $
+# $Id: lonmaxima.pm,v 1.3 2006/06/12 13:51:13 bisitz Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -73,6 +73,17 @@
if ($reply=~/^Error\:/) { return $reply; }
return 'false';
}
+
+sub maxima_check {
+ my ($response,$answer,$type,
+ $tol_type,$tol,
+ $sig_lbound,$sig_ubound,
+ $ans_fmt,$unit,$calc,$id_list,
+ $points,
+ $randomseed,
+ $reterror) = @_;
+ return 7;
+}
1;
__END__;
Index: modules/gerd/maxima/caparesponse.pm
+++ modules/gerd/maxima/caparesponse.pm
# The LearningOnline Network with CAPA
# caparesponse definition
#
# $Id: caparesponse.pm,v 1.1 2006/06/12 13:51:13 bisitz Exp $
#
# 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/
#
package Apache::caparesponse;
use strict;
use capa;
use Safe::Hole;
use Apache::lonmaxima();
use Apache::lonlocal;
use Apache::lonnet;
BEGIN {
&Apache::lonxml::register('Apache::caparesponse',('caparesponse','numericalresponse','stringresponse','formularesponse','mathresponse'));
}
my %answer;
my $cur_name;
sub start_answer {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result;
$cur_name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
if ($cur_name =~ /^\s*$/) { $cur_name = $Apache::lonxml::curdepth; }
my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
if (!defined($type) && $tagstack->[-2] eq 'answergroup') {
$type = &Apache::lonxml::get_param('type',$parstack,$safeeval,-2);
}
if (!defined($type)) { $type = 'ordered' };
$answer{$cur_name}= { 'type' => $type,
'answers' => [] };
return $result;
}
sub end_answer {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result;
undef($cur_name);
return $result;
}
sub start_answergroup {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result;
my $id = $Apache::inputtags::response[-1];
my $dis = &Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
if (defined($dis)) { $Apache::inputtags::answertxt{$id}=$dis; }
return $result;
}
sub end_answergroup {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result;
return $result;
}
sub start_value {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result;
if ( $target eq 'web' || $target eq 'tex' ||
$target eq 'grade' || $target eq 'webgrade' ||
$target eq 'answer' || $target eq 'analyze' ) {
my $bodytext = &Apache::lonxml::get_all_text("/value",$parser,$style);
$bodytext = &Apache::run::evaluate($bodytext,$safeeval,
$$parstack[-1]);
push(@{ $answer{$cur_name}{'answers'} },$bodytext);
}
return $result;
}
sub end_value {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result;
return $result;
}
sub start_array {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result;
if ( $target eq 'web' || $target eq 'tex' ||
$target eq 'grade' || $target eq 'webgrade' ||
$target eq 'answer' || $target eq 'analyze' ) {
my $bodytext = &Apache::lonxml::get_all_text("/array",$parser,$style);
my @values = &Apache::run::evaluate($bodytext,$safeeval,
$$parstack[-1]);
push(@{ $answer{$cur_name}{'answers'} },@values);
}
return $result;
}
sub end_array {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result;
return $result;
}
sub start_unit {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result;
return $result;
}
sub end_unit {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result;
return $result;
}
sub start_numericalresponse {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
&Apache::lonxml::register('Apache::caparesponse',('answer','answergroup','value','array','unit'));
my $id = &Apache::response::start_response($parstack,$safeeval);
my $result;
undef(%answer);
undef(%{$safeeval->varglob('LONCAPA::CAPAresponse_args')});
if ($target eq 'edit') {
$result.=&Apache::edit::tag_start($target,$token);
$result.=&Apache::edit::text_arg('Answer:','answer',$token);
if ($token->[1] eq 'numericalresponse') {
$result.=&Apache::edit::text_arg('Incorrect Answers:','incorrect',
$token).
&Apache::loncommon::help_open_topic('numerical_wrong_answers');
$result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
&Apache::loncommon::help_open_topic('Physical_Units');
$result.=&Apache::edit::text_arg('Format:','format',$token,4).
&Apache::loncommon::help_open_topic('Numerical_Response_Format');
} elsif ($token->[1] eq 'formularesponse') {
$result.=&Apache::edit::text_arg('Sample Points:','samples',
$token,40).
&Apache::loncommon::help_open_topic('Formula_Response_Sampling');
}
$result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
} elsif ($target eq 'modified') {
my $constructtag;
if ($token->[1] eq 'numericalresponse') {
$constructtag=&Apache::edit::get_new_args($token,$parstack,
$safeeval,'answer',
'incorrect','unit',
'format');
} elsif ($token->[1] eq 'formularesponse') {
$constructtag=&Apache::edit::get_new_args($token,$parstack,
$safeeval,'answer',
'samples');
}
if ($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' || $target eq 'grade') {
&Apache::response::reset_params();
} elsif ($target eq 'web') {
my $partid = $Apache::inputtags::part;
my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
&Apache::lonxml::debug("Got unit $hideunit for $partid $id");
#no way to enter units, with radio buttons
if (lc($hideunit) eq "yes") {
my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
$safeeval);
if ($unit =~ /\S/) { $result.=" (in $unit) "; }
}
if ( &Apache::response::show_answer() ) {
my $answertxt;
my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
$safeeval);
my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
$safeeval);
my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
$safeeval);
for (my $i=0; $i <= $#answers; $i++) {
my $answer=$answers[$i];
if ( scalar(@$tagstack)
&& $tagstack->[-1] ne 'numericalresponse') {
$answertxt.=$answer.',';
} else {
my $format;
if ($#formats > 0) {
$format=$formats[$i];
} else {
$format=$formats[0];
}
if ($unit=~/\$/) { $format="\$".$format; $unit=~s/\$//g; }
if ($unit=~/\,/) { $format="\,".$format; $unit=~s/\,//g; }
my $formatted=&format_number($answer,$format,$target,
$safeeval);
$answertxt.=$formatted.',';
}
}
chop $answertxt;
if ($target eq 'web') {
$answertxt.=" $unit ";
}
$Apache::inputtags::answertxt{$id}=$answertxt;
}
}
return $result;
}
sub check_submission {
my ($response,$partid,$id,$tag,$parstack,$safeeval,$ignore_sig)=@_;
my $args_ref= \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
$$args_ref{'response'}=$response;
my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
foreach my $arg ('type','tol','sig','format','unit','calc',
'samples') {
$$args_ref{$arg}=
&Apache::lonxml::get_param($arg,$parstack,$safeeval);
}
foreach my $key (keys(%Apache::inputtags::params)) {
$$args_ref{$key}=$Apache::inputtags::params{$key};
}
#no way to enter units, with radio buttons
if ($Apache::lonhomework::type eq 'exam' ||
lc($hideunit) eq "yes") {
delete($$args_ref{'unit'});
}
#sig fig don't make much sense either
if (($Apache::lonhomework::type eq 'exam' ||
&Apache::response::submitted('scantron') ||
$ignore_sig) &&
$tag eq 'numericalresponse') {
delete($$args_ref{'sig'});
}
if ($tag eq 'formularesponse') {
$$args_ref{'type'}='fml';
} elsif ($tag eq 'mathresponse') {
$$args_ref{'type'}='mth';
} elsif ($tag eq 'numericalresponse') {
$$args_ref{'type'}='float';
}
my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
&Apache::lonxml::debug('answer is'.join(':',@answer));
if (@answer && defined($answer[0])) {
$answer{'INTERNAL'}= {'type' => 'ordered',
'answers' => \@answer };
}
#FIXME would be nice if we could save name so we know who graded him
#correct
my (%results,@final_awards,@final_msgs,@names);
foreach my $name (keys(%answer)) {
&Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
@{$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=@{ $answer{$name}{'answers'} };
my ($result,@msgs) =
&Apache::run::run("&caparesponse_check_list()",$safeeval);
&Apache::lonxml::debug('msgs are '.join(':',@msgs));
my ($awards)=split(/:/,$result);
my @awards= split(/,/,$awards);
my ($ad, $msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
$results{$name}= [$ad,$msg];
push(@final_awards,$ad);
push(@final_msgs,$msg);
push(@names,$name);
}
my ($ad, $msg, $name) = &Apache::inputtags::finalizeawards(\@final_awards,
\@final_msgs,
\@names,1);
return($ad,$msg);
}
sub end_numericalresponse {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $increment=1;
my $result = '';
if (!$Apache::lonxml::default_homework_loaded) {
&Apache::lonxml::default_homework_load($safeeval);
}
my $partid = $Apache::inputtags::part;
my $id = $Apache::inputtags::response[-1];
my $tag;
my $safehole = new Safe::Hole;
$safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
$safehole->wrap(\&Apache::lonmaxima::maxima_check,$safeeval,'&maxima_check');
if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
if ( $target eq 'grade' && &Apache::response::submitted() ) {
&Apache::response::setup_params($tag,$safeeval);
if ($Apache::lonhomework::type eq 'exam' &&
(($tag eq 'formularesponse') || ($tag eq 'mathresponse'))) {
$increment=&Apache::response::scored_response($partid,$id);
} else {
my $response = &Apache::response::getresponse();
if ( $response =~ /[^\s]/) {
my %previous = &Apache::response::check_for_previous($response,$partid,$id);
&Apache::lonxml::debug("submitted a $response<br>\n");
&Apache::lonxml::debug($$parstack[-1] . "\n<br>");
if ( &Apache::response::submitted('scantron')) {
my ($values,$display)=&make_numerical_bubbles($partid,$id,
$target,$parstack,$safeeval);
$response=$values->[$response];
}
$Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
my ($ad,$msg)=&check_submission($response,$partid,$id,
$tag,$parstack,$safeeval);
&Apache::lonxml::debug('ad is'.$ad);
if ($ad eq 'SIG_FAIL') {
my ($sig_u,$sig_l)=
&get_sigrange($Apache::inputtags::params{'sig'});
$msg=join(':',$msg,$sig_l,$sig_u);
&Apache::lonxml::debug("sigs bad $sig_u $sig_l ".
$Apache::inputtags::params{'sig'});
}
&Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
if ($Apache::lonhomework::type eq 'survey' &&
($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
$ad eq 'EXACT_ANS')) {
$ad='SUBMITTED';
}
&Apache::response::handle_previous(\%previous,$ad);
$Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
$Apache::lonhomework::results{"resource.$partid.$id.awardmsg"}=$msg;
$result='';
}
}
} elsif ($target eq 'web' || $target eq 'tex') {
my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
$safeeval);
my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
my $status = $Apache::inputtags::status['-1'];
if ($Apache::lonhomework::type eq 'exam') {
my ($bubble_values,$bubble_display)=
&make_numerical_bubbles($partid,$id,$target,$parstack,
$safeeval);
my $number_of_bubbles = scalar(@{ $bubble_values });
my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
$safeeval);
my @alphabet=('A'..'Z');
if ($target eq 'web') {
if ($tag eq 'numericalresponse') {
if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
$result.= '<table border="1"><tr>';
my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"};
for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
my $checked='';
if ($previous eq $bubble_values->[$ind]) {
$checked=" checked='on' ";
}
$result.='<td><input type="radio" name="HWVAL_'.$id.
'" value="'.$bubble_values->[$ind].'" '.$checked
.' /><b>'.$alphabet[$ind].'</b>: '.
$bubble_display->[$ind].'</td>';
}
$result.='</tr></table>';
}
} elsif ($target eq 'tex') {
if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) {
$result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
}
if ($tag eq 'numericalresponse') {
my ($celllength,$number_of_tables,@table_range)=
&get_table_sizes($number_of_bubbles,$bubble_display);
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 \setlength{\tabcolsep}{2 mm}\begin{tabular}{';
for (my $ind=0;$ind<$table_range[$j];$ind++) {
$result.='p{3 mm}p{'.$celllength.' mm}';
}
$result.='}';
for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
$result.='\hskip -4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$ & \hskip -3 mm {\small '.$bubble_display->[$ind].'} ';
if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
}
$cou += $table_range[$j];
$j++;
$result.='\\\\\end{tabular}\vskip 0 mm ';
}
$result.='\end{enumerate}';
} else {
$increment = &Apache::response::repetition();
}
}
}
} elsif ($target eq 'edit') {
$result.='</td></tr>'.&Apache::edit::end_table;
} elsif ($target eq 'answer' || $target eq 'analyze') {
my $part_id="$partid.$id";
if ($target eq 'analyze') {
push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
$Apache::lonhomework::analyze{"$part_id.type"} = $tag;
my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);
&Apache::response::check_if_computed($token,$parstack,
$safeeval,'answer');
}
if (scalar(@$tagstack)) {
&Apache::response::setup_params($tag,$safeeval);
}
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,$safeeval);
if ($target eq 'answer') {
$result.=&Apache::response::answer_header($tag);
if ($tag eq 'numericalresponse'
&& $Apache::lonhomework::type eq 'exam') {
my ($bubble_values,undef,$correct) = &make_numerical_bubbles($partid,
$id,$target,$parstack,$safeeval);
$result.=&Apache::response::answer_part($tag,$correct);
}
}
my ($sigline,$tolline);
for(my $i=0;$i<=$#answers;$i++) {
my $ans=$answers[$i];
my $fmt=$formats[0];
if (@formats && $#formats) {$fmt=$formats[$i];}
my ($high,$low);
if ($Apache::inputtags::params{'tol'}) {
($high,$low)=&get_tolrange($ans,$Apache::inputtags::params{'tol'});
}
my ($sighigh,$siglow);
if ($Apache::inputtags::params{'sig'}) {
($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
}
if ($fmt && $tag eq 'numericalresponse') {
$fmt=~s/e/E/g;
if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
$ans = &format_number($ans,$fmt,$target,$safeeval);
#if ($high) {
# $high=&format_number($high,$fmt,$target,$safeeval);
# $low =&format_number($low,$fmt,$target,$safeeval);
#}
}
if ($target eq 'answer') {
if ($high && $tag eq 'numericalresponse') {
$ans.=' ['.$low.','.$high.']';
$tolline .= "[$low, $high]";
}
if (defined($sighigh) && $tag eq 'numericalresponse') {
if ($env{'form.answer_output_mode'} eq 'tex') {
$ans.= " Sig $siglow - $sighigh";
} else {
$ans.= " Sig <i>$siglow - $sighigh</i>";
$sigline .= "[$siglow, $sighigh]";
}
}
$result.=&Apache::response::answer_part($tag,$ans);
} elsif ($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"} }, $low);
}
if ($fmt) {
push (@{ $Apache::lonhomework::analyze{"$part_id.format"} }, $fmt);
}
}
}
my @fmt_ans;
for(my $i=0;$i<=$#answers;$i++) {
my $ans=$answers[$i];
my $fmt=$formats[0];
if (@formats && $#formats) {$fmt=$formats[$i];}
if ($fmt && $tag eq 'numericalresponse') {
$fmt=~s/e/E/g;
if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
$ans = &format_number($ans,$fmt,$target,$safeeval);
if ($fmt=~/\$/ && $unit!~/\$/) { $ans=~s/\$//; }
}
push(@fmt_ans,$ans);
}
my $response=join(', ',@fmt_ans);
my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.
$id.'.turnoffunit');
if ($unit ne '' &&
! ($Apache::lonhomework::type eq 'exam' ||
lc($hideunit) eq "yes") ) {
my $cleanunit=$unit;
$cleanunit=~s/\$\,//g;
$response.=" $cleanunit";
}
my ($ad,$msg)=&check_submission($response,$partid,$id,$tag,
$parstack,$safeeval);
if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
my $error;
if ($tag eq 'formularesponse') {
$error=&mt('Computer\'s answer is incorrect ("[_1]").',$response);
} else {
# answer failed check if it is sig figs that is failing
my ($ad,$msg)=&check_submission($response,$partid,$id,
$tag,$parstack,
$safeeval,1);
if ($sigline ne '') {
$error=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range [_2] or significant figures [_3] need to be adjusted.',$response,$tolline,$sigline);
} else {
$error=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range [_2] needs to be adjusted.',$response,$tolline);
}
}
if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
&Apache::lonxml::error($error);
} else {
&Apache::lonxml::warning($error);
}
}
if (defined($unit) and ($unit ne '') and
$tag eq 'numericalresponse') {
if ($target eq 'answer') {
if ($env{'form.answer_output_mode'} eq 'tex') {
$result.=&Apache::response::answer_part($tag,
" Unit: $unit ");
} else {
$result.=&Apache::response::answer_part($tag,
"Unit: <b>$unit</b>");
}
} elsif ($target eq 'analyze') {
push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit);
}
}
if ($tag eq 'formularesponse' && $target eq 'answer') {
my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
$result.=&Apache::response::answer_part($tag,$samples);
}
if ($target eq 'answer') {
$result.=&Apache::response::answer_footer($tag);
}
}
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 $result;
}
sub get_table_sizes {
my ($number_of_bubbles,$rbubble_values)=@_;
my $scale=2; #mm for one digit
my $cell_width=0;
foreach my $member (@$rbubble_values) {
my $cell_width_real=0;
if ($member=~/(\+|-)?(\d*)\.?(\d*)\s*\$?\\times\s*10\^{(\+|-)?(\d+)}\$?/) {
$cell_width_real=(length($2)+length($3)+length($5)+7)*$scale;
} elsif ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) {
$cell_width_real=(length($1)+length($2)+length($5)+9)*$scale;
} elsif ($member=~/(\d*)\.(\d*)/) {
$cell_width_real=(length($1)+length($2)+3)*$scale;
} else {
$cell_width_real=(length($member)+1)*$scale*0.9;
}
if ($cell_width_real>$cell_width) {$cell_width=$cell_width_real;}
}
$cell_width+=8;
my $textwidth;
if ($env{'form.textwidth'} ne '') {
$env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
$textwidth=$1.'.'.$2;
} else {
$env{'form.textwidth'}=~/(\d+)\.?(\d*)/;
$textwidth=$1.'.'.$2;
}
my $bubbles_per_line=int($textwidth/$cell_width);
if ($bubbles_per_line > $number_of_bubbles) {
$bubbles_per_line=$number_of_bubbles;
}elsif (($bubbles_per_line > $number_of_bubbles/2) && ($number_of_bubbles % 2==0)) {$bubbles_per_line=$number_of_bubbles/2;}
my $number_of_tables = int($number_of_bubbles/$bubbles_per_line);
my @table_range = ();
for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;}
if ($number_of_bubbles % $bubbles_per_line) {
$number_of_tables++;
push @table_range,($number_of_bubbles % $bubbles_per_line);
}
$cell_width-=8;
$cell_width=$cell_width*3/4;
return ($cell_width,$number_of_tables,@table_range);
}
sub format_number {
my ($number,$format,$target,$safeeval)=@_;
my $ans;
if ($format eq '') {
#What is the number? (integer,decimal,floating point)
if ($number=~/^(\d*\.?\d*)(E|e)[+\-]?(\d*)$/) {
$format = '3e';
} elsif ($number=~/^(\d*)\.(\d*)$/) {
$format = '4f';
} elsif ($number=~/^(\d*)$/) {
$format = 'd';
}
}
if (!$Apache::lonxml::default_homework_loaded) {
&Apache::lonxml::default_homework_load($safeeval);
}
$ans=&Apache::run::run("&prettyprint(q\0$number\0,q\0$format\0,q\0$target\0)",$safeeval);
return $ans;
}
sub make_numerical_bubbles {
my ($part,$id,$target,$parstack,$safeeval) =@_;
my $number_of_bubbles =
&Apache::response::get_response_param($part.'_'.$id,'numbubbles',8);
my ($format)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
my ($answer)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,
$safeeval);
if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
my @bubble_values=();
my @alphabet=('A'..'Z');
&Apache::lonxml::debug("answer is $answer incorrect is @incorrect");
my @oldseed=&Math::Random::random_get_seed();
if (@incorrect) {
&Apache::lonxml::debug("inside ".(scalar(@incorrect)+1 gt $number_of_bubbles));
if (defined($incorrect[0]) &&
scalar(@incorrect)+1 >= $number_of_bubbles) {
&Apache::lonxml::debug("inside ".(scalar(@incorrect)+1).":$number_of_bubbles");
&Apache::response::setrandomnumber();
my @rand_inc=&Math::Random::random_permutation(@incorrect);
@bubble_values=@rand_inc[0..($number_of_bubbles-2)];
@bubble_values=sort {$a <=> $b} (@bubble_values,$answer);
&Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": which are :".join(':',@bubble_values));
&Math::Random::random_set_seed(@oldseed);
my $correct;
for(my $i=0; $i<=$#bubble_values;$i++) {
if ($bubble_values[$i] eq $answer) {
$correct = $alphabet[$i];
last;
}
}
if (defined($format) && $format ne '') {
my @bubble_display;
foreach my $value (@bubble_values) {
push(@bubble_display,
&format_number($value,$format,$target,$safeeval));
}
return (\@bubble_values,\@bubble_display,$correct);
} else {
return (\@bubble_values,\@bubble_values,$correct);
}
}
if (defined($incorrect[0]) &&
scalar(@incorrect)+1 < $number_of_bubbles) {
&Apache::lonxml::warning("Not enough incorrect answers were specified in the incorrect array, ignoring the specified incorrect answers and instead generating them (".join(',',@incorrect).").");
}
}
my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
my @powers = (1..$number_of_bubbles);
&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];
my @bubble_display;
for ($ind=0;$ind<$number_of_bubbles;$ind++) {
$bubble_values[$ind] = $answer*($factor**($power-$powers[$#powers-$ind]));
$bubble_display[$ind] = &format_number($bubble_values[$ind],
$format,$target,$safeeval);
}
my $correct = $alphabet[$number_of_bubbles-$power];
&Math::Random::random_set_seed(@oldseed);
return (\@bubble_values,\@bubble_display,$correct);
}
sub get_tolrange {
my ($ans,$tol)=@_;
my ($high,$low);
if ($tol =~ /%$/) {
chop($tol);
my $change=$ans*($tol/100.0);
$high=$ans+$change;
$low=$ans-$change;
} else {
$high=$ans+$tol;
$low=$ans-$tol;
}
return ($high,$low);
}
sub get_sigrange {
my ($sig)=@_;
&Apache::lonxml::debug("Got a sig of :$sig:");
my $courseid=$env{'request.course.id'};
if (lc($env{"course.$courseid.disablesigfigs"}) eq 'yes') {
return (15,0);
}
my $sig_lbound;
my $sig_ubound;
if ($sig eq '') {
$sig_lbound = 0; #SIG_LB_DEFAULT
$sig_ubound =15; #SIG_UB_DEFAULT
} else {
($sig_lbound,$sig_ubound) = split(/,/,$sig);
if (!defined($sig_lbound)) {
$sig_lbound = 0; #SIG_LB_DEFAULT
$sig_ubound =15; #SIG_UB_DEFAULT
}
if (!defined($sig_ubound)) { $sig_ubound=$sig_lbound; }
}
if (($sig_ubound<$sig_lbound) ||
($sig_lbound > 15) ||
($sig =~/(\+|-)/ ) ) {
my $errormsg=&mt("Invalid Significant figures detected")." ($sig)";
if ($env{'request.state'} eq 'construct') {
$errormsg.=
&Apache::loncommon::help_open_topic('Significant_Figures');
}
&Apache::lonxml::error($errormsg);
}
return ($sig_ubound,$sig_lbound);
}
sub start_stringresponse {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result;
my $id = &Apache::response::start_response($parstack,$safeeval);
if ($target eq 'meta') {
$result=&Apache::response::meta_package_write('stringresponse');
} elsif ($target eq 'edit') {
$result.=&Apache::edit::tag_start($target,$token);
$result.=&Apache::edit::text_arg('Answer:','answer',$token);
$result.=&Apache::edit::select_arg('Type:','type',
[['cs','Case Sensitive'],['ci','Case Insensitive'],
['mc','Case Insensitive, Any Order'],
['re','Regular Expression']],$token);
$result.=&Apache::edit::text_arg('String to display for answer:',
'answerdisplay',$token);
$result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
} elsif ($target eq 'modified') {
my $constructtag;
$constructtag=&Apache::edit::get_new_args($token,$parstack,
$safeeval,'answer',
'type','answerdisplay');
if ($constructtag) {
$result = &Apache::edit::rebuild_tag($token);
$result.=&Apache::edit::handle_insert();
}
} elsif ($target eq 'web') {
if ( &Apache::response::show_answer() ) {
my $answer=
&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
if (!defined $answer || $answer eq '') {
$answer=
&Apache::lonxml::get_param('answer',$parstack,$safeeval);
}
$Apache::inputtags::answertxt{$id}=$answer;
}
} elsif ($target eq 'answer' || $target eq 'grade') {
&Apache::response::reset_params();
}
return $result;
}
sub end_stringresponse {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result = '';
my $part=$Apache::inputtags::part;
my $id=$Apache::inputtags::response[-1];
my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
my $answerdisplay=&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
&Apache::lonxml::debug("current $answer ".$token->[2]);
if (!$Apache::lonxml::default_homework_loaded) {
&Apache::lonxml::default_homework_load($safeeval);
}
if ( $target eq 'grade' && &Apache::response::submitted() ) {
&Apache::response::setup_params('stringresponse',$safeeval);
$safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
if ($Apache::lonhomework::type eq 'exam' ||
&Apache::response::submitted('scantron')) {
&Apache::response::scored_response($part,$id);
} else {
my $response = &Apache::response::getresponse();
if ( $response =~ /[^\s]/) {
my %previous = &Apache::response::check_for_previous($response,
$part,$id);
&Apache::lonxml::debug("submitted a $response<br>\n");
&Apache::lonxml::debug($$parstack[-1] . "\n<br>");
$Apache::lonhomework::results{"resource.$part.$id.submission"}=
$response;
my ($ad,$msg);
if ($type eq 're' ) {
# if the RE wasn't in a var it likely got munged,
# thus grab it from the var directly
# my $testans=$token->[2]->{'answer'};
# if ($testans !~ m/^\s*\$/) {
# $answer=$token->[2]->{'answer'};
# }
${$safeeval->varglob('LONCAPA::response')}=$response;
$result = &Apache::run::run('if ($LONCAPA::response=~m'.$answer.') { return 1; } else { return 0; }',$safeeval);
&Apache::lonxml::debug("current $response");
&Apache::lonxml::debug("current $answer");
$ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
} else {
my $args_ref=
\%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
$$args_ref{'response'}=$response;
&Apache::lonxml::debug("current $response");
$$args_ref{'type'}=
&Apache::lonxml::get_param('type',$parstack,$safeeval);
foreach my $key (keys(%Apache::inputtags::params)) {
$$args_ref{$key}=$Apache::inputtags::params{$key};
}
&Apache::lonxml::debug('answer is'.join(':',$answer));
@{$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=($answer);
($result, my @msgs)=&Apache::run::run("&caparesponse_check_list()",$safeeval);
&Apache::lonxml::debug('msgs are'.join(':',@msgs));
my ($awards)=split(/:/,$result);
my (@awards) = split(/,/,$awards);
($ad,$msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
&Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
}
if ($Apache::lonhomework::type eq 'survey' &&
($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
$ad eq 'EXACT_ANS')) {
$ad='SUBMITTED';
}
&Apache::response::handle_previous(\%previous,$ad);
$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
$Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=$msg;
}
}
} elsif ($target eq 'answer' || $target eq 'analyze') {
if ($target eq 'analyze') {
push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id");
$Apache::lonhomework::analyze{"$part.$id.type"} = 'stringresponse';
&Apache::response::check_if_computed($token,$parstack,$safeeval,
'answer');
}
&Apache::response::setup_params('stringresponse',$safeeval);
if ($target eq 'answer') {
$result.=&Apache::response::answer_header('stringresponse');
}
# foreach my $ans (@answers) {
if ($target eq 'answer') {
$result.=&Apache::response::answer_part('stringresponse',$answer);
if ($type eq 're') {
$result.=&Apache::response::answer_part('stringresponse',
$answerdisplay);
}
} elsif ($target eq 'analyze') {
push (@{ $Apache::lonhomework::analyze{"$part.$id.answer"} },
$answer);
}
# }
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 're') {
$string='Regular Expression';
}
if ($target eq 'answer') {
if ($env{'form.answer_output_mode'} eq 'tex') {
$result.=&Apache::response::answer_part('stringresponse',
"$string");
} else {
$result.=&Apache::response::answer_part('stringresponse',
"<b>$string</b>");
}
} elsif ($target eq 'analyze') {
push (@{$Apache::lonhomework::analyze{"$part.$id.str_type"}},
$type);
}
if ($target eq 'answer') {
$result.=&Apache::response::answer_footer('stringresponse');
}
} elsif ($target eq 'edit') {
$result.='</td></tr>'.&Apache::edit::end_table;
}
if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
$target eq 'tex' || $target eq 'analyze') {
&Apache::lonxml::increment_counter(&Apache::response::repetition());
}
&Apache::response::end_response;
return $result;
}
sub start_formularesponse {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result;
if ($target eq 'meta') {
&Apache::response::start_response($parstack,$safeeval);
$result=&Apache::response::meta_package_write('formularesponse');
&Apache::response::end_response();
} else {
$result.=&start_numericalresponse(@_);
}
return $result;
}
sub end_formularesponse {
return end_numericalresponse(@_);
}
sub start_mathresponse {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result;
if ($target eq 'meta') {
&Apache::response::start_response($parstack,$safeeval);
$result=&Apache::response::meta_package_write('mathresponse');
&Apache::response::end_response();
} else {
$result.=&start_numericalresponse(@_);
}
return $result;
}
sub end_mathresponse {
return end_numericalresponse(@_);
}
1;
__END__
Index: modules/gerd/maxima/default_homework.lcpm
+++ modules/gerd/maxima/default_homework.lcpm
# The LearningOnline Network with CAPA
# used by lonxml::xmlparse() as input variable $safeinit to Apache::run::run()
#
# $Id: default_homework.lcpm,v 1.1 2006/06/12 13:51:13 bisitz Exp $
#
# 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/
#
#
#init some globals
$hidden::RANDOMINIT=0;
$pi=atan2(1,1)*4;
$rad2deg=180.0/$pi;
$deg2rad=$pi/180.0;
$"=' ';
sub check_commas {
my ($response)=@_;
#print("$response ");
my @numbers=split(',',$response);
#print(" numbers ".join('-',@numbers)." ");
if (scalar(@numbers) > 1) {
#print(" numbers[0] ".$numbers[0]." ");
if (length($numbers[0]) > 3 || length($numbers[0]) == 0) { return -1; }
shift(@numbers);
#print(" numbers ".scalar(@numbers)." ");
while (scalar(@numbers) > 1) {
#print(" numbers ".join('-',@numbers)." ");
if (length($numbers[0]) != 3) { return -2; }
shift(@numbers);
}
my ($number)=split('\.',$numbers[0]);
#print(" number ".$number." ");
#print(" numbers[0] ".$numbers[0]." ");
if (length($number) != 3) { return -3; }
} else {
my ($number)=split('\.',$numbers[0]);
if (length($number) > 3) { return -4; }
}
return 1;
}
sub caparesponse_check {
my ($answer,$response)=@_;
#not properly used yet: calc
#not to be used: $ans_fmt
my $type=$LONCAPA::CAPAresponse_args{'type'};
my $tol=$LONCAPA::CAPAresponse_args{'tol'};
my $sig=$LONCAPA::CAPAresponse_args{'sig'};
my $ans_fmt=$LONCAPA::CAPAresponse_args{'format'};
my $unit=$LONCAPA::CAPAresponse_args{'unit'};
my $calc=$LONCAPA::CAPAresponse_args{'calc'};
my $samples=$LONCAPA::CAPAresponse_args{'samples'};
my $tol_type=''; # gets it's value from whether tol has a % or not done
my $sig_lbound=''; #done
my $sig_ubound=''; #done
#type's definitons come from capaParser.h
my $message='';
#remove leading and trailing whitespace
if (!defined($response)) {
$response='';
}
if ($response=~ /^\s|\s$/) {
$response=~ s:^\s+|\s+$::g;
$message .="Removed ws now :$response:\n";
} else {
$message .="no ws in :$response:\n";
}
&LONCAPA_INTERNAL_DEBUG(" type is $type ");
if ($type eq 'cs' || $type eq 'ci') {
#for string answers make surec all places spaces occur, there is
#really only 1 space, in both the answer and the response
$answer=~s/ +/ /g;
$response=~s/ +/ /g;
} elsif ($type eq 'mc') {
$answer=~s/[\s,]//g;
$response=~s/[\s,]//g;
}
if ($type eq 'float' && $unit=~/\$/) {
if ($response!~/^\$/) { return "NO_UNIT: Missing \$ "; }
$response=~s/\$//g;
}
if ($type eq 'float' && $unit=~/\,/ && (&check_commas($response)<0)) {
return "COMMA_FAIL:";
}
$ans_fmt=~s/\W//g;
$unit=~s/[\$,]//g;
if ($type eq 'float') { $response=~s/,//g; }
if (length($response) > 500) { return "TOO_LONG: Answer too long"; }
if ($type eq '' ) {
$message .= "Didn't find a type :$type: defaulting\n";
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 'mth') { $type = 9; }
elsif ($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" }
}
my $points;
my $id_list;
#formula type setup the sample points
if ($type eq '8') {
($id_list,$points)=split(/@/,$samples);
$message.="Found :$id_list:$points: points in $samples\n";
}
if ($tol eq '') {
$tol=0.0;
$tol_type=1; #TOL_ABSOLUTE
} else {
if ($tol =~ /%$/) {
chop $tol;
$tol_type=2; #TOL_PERCENTAGE
} else {
$tol_type=1; #TOL_ABSOLUTE
}
}
($sig_ubound,$sig_lbound)=&LONCAPA_INTERNAL_get_sigrange($sig);
my $reterror="";
my $result;
if ($type eq '9') {
$result = &maxima_check($response,$answer,$type,
$tol_type,$tol,
$sig_lbound,$sig_ubound,
$ans_fmt,$unit,$calc,$id_list,
$points,$external::randomseed,
\$reterror);
} else {
$result = &caparesponse_capa_check_answer($response,$answer,$type,
$tol_type,$tol,
$sig_lbound,$sig_ubound,
$ans_fmt,$unit,$calc,$id_list,
$points,$external::randomseed,
\$reterror);
}
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' && !$response) { $result='MISSING_ANSWER'; }
elsif ($result =='12') { $result='WANTED_NUMERIC'; }
elsif ($result =='13') { $result='UNIT_INVALID_INSTRUCTOR'; }
elsif ($result =='141') { $result='UNIT_INVALID_STUDENT'; }
elsif ($result =='142') { $result='UNIT_INVALID_STUDENT'; }
elsif ($result =='143') { $result='UNIT_INVALID_STUDENT'; }
elsif ($result =='15') { $result='UNIT_IRRECONCIBLE'; }
else {$result = "ERROR: Unknown Result:$result:$@:";}
return ("$result:\nRetError $reterror:\nAnswer $answer:\nResponse $response:\n type-$type|$tol|$tol_type|$sig:$sig_lbound:$sig_ubound|$unit|\n$message",$reterror);
}
sub caparesponse_check_list {
my $response=$LONCAPA::CAPAresponse_args{'response'};
my $result="Got response :".join(':',@LONCAPA::CAPAresponse_answer).":\n";
&LONCAPA_INTERNAL_DEBUG("args ".join(':',%LONCAPA::CAPAresponse_args));
my @responselist;
my $type = $LONCAPA::CAPAresponse_args{'type'};
$result.="Got type :$type:\n";
if ($type ne '' && $#LONCAPA::CAPAresponse_answer > 0) {
(@responselist)=split(/,/,$response);
if (@responselist < @LONCAPA::CAPAresponse_answer) {
return 'MISSING_ANSWER';
}
if (@responselist > @LONCAPA::CAPAresponse_answer) {
return 'EXTRA_ANSWER';
}
} else {
(@responselist)=($response);
}
$result.="Initial final response :$responselist['-1']:\n";
my $unit;
if ($type eq '' || $type eq 'float') {
#for numerical problems split off the unit
if ( $responselist['-1']=~ /(.*[^\s])\s+([^\s]+)/ ) {
$responselist['-1']=$1;
$unit=$2;
}
}
$result.="Final final response :$responselist['-1']:$unit:\n";
$unit=~s/\s//;
my ($awards, @msgs, $i);
foreach my $thisanswer (@LONCAPA::CAPAresponse_answer) {
my ($msg,$aresult);
$result.="trying answer :$thisanswer:\n";
if (defined($thisanswer)) {
if ($unit eq '') {
($aresult,$msg)=&caparesponse_check($thisanswer,
$responselist[$i]);
} else {
($aresult,$msg)=&caparesponse_check($thisanswer,
$responselist[$i]." $unit");
}
} else {
$aresult='ERROR';
$msg='answer was undefined';
}
&LONCAPA_INTERNAL_DEBUG("after if $aresult -- $msg");
my ($temp)=split(/:/, $aresult);
$awards.="$temp,";
$result.=$aresult;
push(@msgs,$msg);
$i++;
}
chop($awards);
return ("$awards:\n$result",@msgs);
}
sub tex {
if ( $external::target eq "tex" ) {
return $_[0];
} else {
return $_[1];
}
}
sub var_in_tex {
if ( $external::target eq "tex" ) {
return $_[0];
} else {
return "";
}
}
sub web {
if ( $external::target eq "tex" ) {
return $_[1];
} else {
if ( $external::target eq "web" || $external::target eq "answer") {
return $_[2];
} else {
return $_[0];
}
}
}
sub html {
if ( $external::target eq "web" ) {
return shift;
}
}
sub hinton {
return 0;
}
sub random {
my ($start,$end,$step)=@_;
if ( ! $hidden::RANDOMINIT ) {
if ($external::randomseed == 0) { $external::randomseed=1; }
if ($external::randomseed =~/,/) {
my ($num1,$num2)=split(/,/,$external::randomseed);
&random_set_seed(1,abs($num1));
} elsif ($external::randomseed =~/:/) {
my ($num1,$num2)=split(/:/,$external::randomseed);
&random_set_seed(abs($num1),abs($num2));
} else {
&random_set_seed(1,int(abs($external::randomseed)));
}
&math_random_uniform();
$hidden::RANDOMINIT=1;
}
if (!defined($step)) { $step=1; }
my $num=1+int(($end-$start)/$step);
my $result=$start + int(&math_random_uniform() * $num)*$step;
return $result;
}
sub random_normal {
my ($item_cnt,$seed,$av,$std_dev) = @_;
my @oldseed=&random_get_seed();
my @retArray;
&random_set_seed_from_phrase($seed);
@retArray=&math_random_normal($item_cnt,$av,$std_dev);
&random_set_seed(@oldseed);
return @retArray;
}
sub random_beta {
my ($item_cnt,$seed,$aa,$bb) = @_;
my @oldseed=&random_get_seed();
my @retArray;
&random_set_seed_from_phrase($seed);
@retArray=&math_random_beta($item_cnt,$aa,$bb);
&random_set_seed(@oldseed);
return @retArray;
}
sub random_gamma {
my ($item_cnt,$seed,$a,$r) = @_;
my @oldseed=&random_get_seed();
my @retArray;
&random_set_seed_from_phrase($seed);
@retArray=&math_random_gamma($item_cnt,$a,$r);
&random_set_seed(@oldseed);
return @retArray;
}
sub random_exponential {
my ($item_cnt,$seed,$av) = @_;
my @oldseed=&random_get_seed();
my @retArray;
&random_set_seed_from_phrase($seed);
@retArray=&math_random_exponential($item_cnt,$av);
&random_set_seed(@oldseed);
return @retArray;
}
sub random_poisson {
my ($item_cnt,$seed,$mu) = @_;
my @oldseed=&random_get_seed();
my @retArray;
&random_set_seed_from_phrase($seed);
@retArray=&math_random_poisson($item_cnt,$mu);
&random_set_seed(@oldseed);
return @retArray;
}
sub random_chi {
my ($item_cnt,$seed,$df) = @_;
my @oldseed=&random_get_seed();
my @retArray;
&random_set_seed_from_phrase($seed);
@retArray=&math_random_chi_square($item_cnt,$df);
&random_set_seed(@oldseed);
return @retArray;
}
sub random_noncentral_chi {
my ($item_cnt,$seed,$df,$nonc) = @_;
my @oldseed=&random_get_seed();
my @retArray;
&random_set_seed_from_phrase($seed);
@retArray=&math_random_noncentral_chi_square($item_cnt,$df,$nonc);
&random_set_seed(@oldseed);
return @retArray;
}
sub random_f {
my ($item_cnt,$seed,$dfn,$dfd) = @_;
my @oldseed=&random_get_seed();
my @retArray;
&random_set_seed_from_phrase($seed);
@retArray=&math_random_f($item_cnt,$dfn,$dfd);
&random_set_seed(@oldseed);
return @retArray;
}
sub random_noncentral_f {
my ($item_cnt,$seed,$dfn,$dfd,$nonc) = @_;
my @oldseed=&random_get_seed();
my @retArray;
&random_set_seed_from_phrase($seed);
@retArray=&math_random_noncentral_f($item_cnt,$dfn,$dfd,$nonc);
&random_set_seed(@oldseed);
return @retArray;
}
sub random_multivariate_normal {
my ($item_cnt,$seed,$mean,$covar) = @_;
my @oldseed=&random_get_seed();
&random_set_seed_from_phrase($seed);
my @retArray=&math_random_multivariate_normal($item_cnt,@$mean,@$covar);
&random_set_seed(@oldseed);
return @retArray;
}
sub random_multinomial {
my ($item_cnt,$seed,@p) = @_;
my @oldseed=&random_get_seed();
my @retArray;
&random_set_seed_from_phrase($seed);
my @retArray=&math_random_multinomial($item_cnt,@p);
&random_set_seed(@oldseed);
return @retArray;
}
sub random_permutation {
my ($seed,@inArray) = @_;
my @oldseed=&random_get_seed();
my @retArray;
&random_set_seed_from_phrase($seed);
@retArray=&math_random_permutation(@inArray);
&random_set_seed(@oldseed);
return @retArray;
}
sub random_uniform {
my ($item_cnt,$seed,$low,$high) = @_;
my @oldseed=&random_get_seed();
my @retArray;
&random_set_seed_from_phrase($seed);
@retArray=&math_random_uniform($item_cnt,$low,$high);
&random_set_seed(@oldseed);
return @retArray;
}
sub random_uniform_integer {
my ($item_cnt,$seed,$low,$high) = @_;
my @oldseed=&random_get_seed();
my @retArray;
&random_set_seed_from_phrase($seed);
@retArray=&math_random_uniform_integer($item_cnt,$low,$high);
&random_set_seed(@oldseed);
return @retArray;
}
sub random_binomial {
my ($item_cnt,$seed,$nt,$p) = @_;
my @oldseed=&random_get_seed();
my @retArray;
&random_set_seed_from_phrase($seed);
@retArray=&math_random_binomial($item_cnt,$nt,$p);
&random_set_seed(@oldseed);
return @retArray;
}
sub random_negative_binomial {
my ($item_cnt,$seed,$ne,$p) = @_;
my @oldseed=&random_get_seed();
my @retArray;
&random_set_seed_from_phrase($seed);
@retArray=&math_random_negative_binomial($item_cnt,$ne,$p);
&random_set_seed(@oldseed);
return @retArray;
}
sub abs { CORE::abs(shift) }
sub sin { CORE::sin(shift) }
sub cos { CORE::cos(shift) }
sub exp { CORE::exp(shift) }
sub int { CORE::int(shift) }
sub log { CORE::log(shift) }
sub atan2 { CORE::atan2($_[0],$_[1]) }
sub sqrt { CORE::sqrt(shift) }
sub tan { CORE::sin($_[0]) / CORE::cos($_[0]) }
#sub atan { atan2($_[0], 1); }
#sub acos { atan2(sqrt(1 - $_[0] * $_[0]), $_[0] ); }
#sub asin { atan2($_[0], sqrt(1- $_[0] * $_[0]) ); }
sub log10 { CORE::log($_[0])/CORE::log(10); }
sub factorial {
my $input = CORE::int(shift);
return "Error - unable to take factorial of an negative number ($input)" if $input < 0;
return "Error - factorial result is greater than system limit ($input)" if $input > 170;
return 1 if $input == 0;
my $result = 1;
for (my $i=2; $i<=$input; $i++) { $result *= $i }
return $result;
}
sub sgn {
return -1 if $_[0] < 0;
return 0 if $_[0] == 0;
return 1 if $_[0] > 0;
}
sub min {
my @sorted = sort { $a <=> $b || $a cmp $b } @_;
return shift @sorted;
}
sub max {
my @sorted = sort { $a <=> $b || $a cmp $b } @_;
return pop @sorted;
}
sub roundto {
my ($input,$n) = @_;
return sprintf('%.'.$n.'f',$input);
}
sub to_string {
my ($input,$n) = @_;
return sprintf($input) if $n eq "";
$n = '.'.$n if $n !~ /^\./;
return sprintf('%'.$n,$input) if $n ne "";
}
sub sub_string {
my ($str,$start,$len) = @_;
return substr($str,$start-1,$len);
}
sub pow {return $_[0] ** $_[1]; }
sub ceil {return (($_[0]-CORE::int($_[0]))== 0.0) ? $_[0] : (($_[0] > 0) ? (CORE::int($_[0])+ 1) : CORE::int($_[0])); }
sub floor {return (($_[0]-CORE::int($_[0]))== 0.0) ? $_[0] : (($_[0] > 0) ? CORE::int($_[0]) : (CORE::int($_[0])-1)); }
#sub floor {return int($_[0]); }
sub format {
my ($value,$fmt)=@_;
my ($dollarmode,$commamode,$alwaysperiod,$options);
if ($fmt =~ /^([^\d]*)(.*)/) { $options=$1; $fmt=$2; }
#if ($options =~ /\$/) { $dollamode=1; }
#if ($options =~ /,/) { $commamode=1; }
if ($options =~ /\./) { $alwaysperiod=1; }
my $result;
if ($fmt=~/s$/i) {
$result=&format_significant_figures($value,$fmt);
} else {
$fmt=~s/e/E/g;
$result=sprintf('%.'.$fmt,$value);
if ($alwaysperiod && $fmt eq '0f') { $result .='.'; }
$result=~s/(E[+-]*)0/$1/;
}
#if ($dollarmode) {$result=&dollarformat($result);}
#if ($commamode) {$result=&commaformat($result);}
return $result;
}
sub chemparse {
my ($reaction) = @_;
my @tokens = split(/(\s\+|\->|<=>|<\-|\.)/,$reaction);
my $formula = '';
foreach my $token (@tokens) {
if ($token eq '->' ) {
$formula .= '<m>\ensuremath{\rightarrow}</m> ';
next;
}
if ($token eq '<-' ) {
$formula .= '<m>\ensuremath{\leftarrow}</m> ';
next;
}
if ($token eq '<=>') {
if ($external::target eq 'web' &&
&EXT('request.browser.unicode')) {
$formula .= '⇌ ';
} else {
$formula .= &web('<=> ','<m>\ensuremath{\rightleftharpoons}</m> ',
'<=> ');
}
next;
}
if ($token eq '.') {
$formula =~ s/(\ \;| )$//;
$formula .= '·';
next;
}
$token =~ /^\s*([\d|\/]*(?:&frac\d\d)?)(.*)/;
$formula .= $1 if ($1 ne '1'); # stoichiometric coefficient
my $molecule = $2;
# subscripts
$molecule =~ s|(?<=[a-zA-Z\)\]\s])(\d+)|<sub>$1</sub>|g;
# superscripts
$molecule =~ s|\^(\d*[+\-]*)|<sup>$1</sup>|g;
# strip whitespace
$molecule =~ s/\s*//g;
# forced space
$molecule =~ s/_/ /g;
$molecule =~ s/-/−/g;
$formula .= $molecule.' ';
}
# get rid of trailing space
$formula =~ s/(\ \;| )$//;
return &xmlparse($formula);
}
sub prettyprint {
my ($value,$fmt,$target)=@_;
my $result;
if (!$target) { $target = $external::target; }
if ($fmt =~ /chem/i) { return(&chemparse($value)); }
my ($dollarmode,$commamode,$alwaysperiod,$options);
if ($fmt =~ /^([^\d]*)(.*)/) { $options=$1; $fmt=$2; }
if ($options =~ /\$/) { $dollarmode=1; }
if ($options =~ /,/) { $commamode=1; }
if ($options =~ /\./) { $alwaysperiod=1; }
if ($fmt=~/s$/i) {
$value=&format_significant_figures($value,$fmt);
} elsif ($fmt) {
$value=sprintf('%.'.$fmt,$value);
}
if ($alwaysperiod && $fmt eq '0f') {
if ($target eq 'tex') {
$value .='\\ensuremath{.}';
} else {
$value .='.';
}
}
if ($value =~ /([0-9\.\-\+]+)E([0-9\-\+]+)/i ) {
my $frac=$1;
if ($dollarmode) { $frac=&dollarformat($frac); }
if ($commamode) { $frac=&commaformat($frac); }
my $exponent=$2;
$exponent=~s/^\+0*//;
$exponent=~s/^-0*/-/;
$exponent=~s/^-0*/-/;
if ($exponent eq '-') { undef($exponent); }
if ($exponent) {
if ($target eq 'web') {
$result=$frac.'×10<sup>'.$exponent.'</sup>';
} elsif ($target eq 'tex') {
$result='\ensuremath{'.$frac.'\times 10^{'.$exponent.'}}';
} else {
$result=$value;
}
} else {
$result=$frac;
}
} else {
$result=$value;
if ($dollarmode) { $result=&dollarformat($result,$target); }
elsif ($commamode) { $result=&commaformat($result,$target); }
}
return $result;
}
sub commaformat {
my ($number,$target) = @_;
if ($number =~ /\./) {
while ($number =~ /([^0-9]*)([0-9]+)([^\.,][^\.,][^\.,])([,0-9]*\.[0-9]*)$/) {
$number = $1.$2.','.$3.$4;
}
} else {
while ($number =~ /^([^0-9]*)([0-9]+)([^,][^,][^,])([,0-9]*)$/) {
$number = $1.$2.','.$3.$4;
}
}
return $number;
}
sub dollarformat {
my ($number,$target) = @_;
if (!$target) { $target = $external::target; }
$number=&commaformat($number,$target);
if ($target eq 'tex') {
$number='\$'.$number; #' stupid emacs
} else {
$number='$'.$number; #' stupid emacs
}
return $number;
}
# format of form ns or nS where n is an integer
sub format_significant_figures {
my ($number,$format) = @_;
return '0' if ($number == 0);
# extract number of significant figures needed
my ($sig) = ($format =~ /(\d+)s/i);
# arbitrary choice - suggestions ?? or throw error message?
$sig = 3 if ($sig eq '');
# save the minus sign
my $sign = ($number < 0) ? '-' : '';
$number = abs($number);
# needed to correct for a number greater than 1 (or
my $power = ($number < 1) ? 0 : 1;
# could round up. Take the integer part of log10.
my $x10 = int(log($number)/log(10));
# find number with values left of decimal pt = # of sign figs.
my $xsig = $number*10**($sig-$x10-$power);
# get just digits left of decimal pt - also rounds off correctly
my $xint = sprintf('%.0f',$xsig);
# save any trailing zero's
my ($zeros) = ($xint =~ /(0+)$/);
# return number to original magnitude
my $numSig = $xint*10**($x10-$sig+$power);
# insert trailing zero's if have decimal point
$numSig =~ s/^(\d+)\.(\d+)(\e?(.*)?)$/$1\.$2$zeros$3/;
# put a decimal pt for number ending with 0 and length = # of sig fig
$numSig.='.' if (length($numSig) == $sig && $numSig =~ /0$/);
if (length($numSig) < $sig) {
$numSig.='.'.substr($zeros,0,($sig-length($numSig)));
}
# return number with sign
return $sign.$numSig;
}
sub map {
my ($phrase,$dest,$source)=@_;
my @oldseed=&random_get_seed();
my @seed = &random_seed_from_phrase($phrase);
&random_set_seed(@seed);
my $destct = scalar(@$dest);
if (!$source) {
my @output;
my @idx = &math_random_permuted_index($destct);
my $ctr = 0;
while ($ctr < $destct) {
$output[$ctr] = $$dest[$idx[$ctr]];
$ctr++;
}
&random_set_seed(@oldseed);
return @output;
} else {
my $num = scalar(@$source);
my @idx = &math_random_permuted_index($num);
my $ctr = 0;
my $tot = $num;
$tot = $destct if $destct < $num;
if (ref($$dest[0])) {
while ($ctr < $tot) {
${$$dest[$ctr]} = $$source[$idx[$ctr]];
$ctr++;
}
} else {
while ($ctr < $tot) {
$$dest[$ctr] = $$source[$idx[$ctr]];
$ctr++;
}
}
}
&random_set_seed(@oldseed);
return '';
}
sub rmap {
my ($phrase,$dest,$source)=@_;
my @oldseed=&random_get_seed();
my @seed = &random_seed_from_phrase($phrase);
&random_set_seed(@seed);
my $destct = scalar(@$dest);
if (!$source) {
my @idx = &math_random_permuted_index($destct);
my $ctr = 0;
my @r_idx;
while ($ctr < $destct) {
$r_idx[$idx[$ctr]] = $ctr;
$ctr++;
}
my @output;
$ctr = 0;
while ($ctr < $destct) {
$output[$ctr] = $$dest[$r_idx[$ctr]];
$ctr++;
}
&random_set_seed(@oldseed);
return @output;
} else {
my $num = scalar(@$source);
my @idx = &math_random_permuted_index($num);
my $ctr = 0;
my $tot = $num;
$tot = $destct if $destct < $num;
my @r_idx;
while ($ctr < $tot) {
$r_idx[$idx[$ctr]] = $ctr;
$ctr++;
}
$ctr = 0;
if (ref($$dest[0])) {
while ($ctr < $tot) {
${$$dest[$ctr]} = $$source[$r_idx[$ctr]];
$ctr++;
}
} else {
while ($ctr < $tot) {
$$dest[$ctr] = $$source[$r_idx[$ctr]];
$ctr++;
}
}
}
&random_set_seed(@oldseed);
return '';
}
sub capa_id { return }
sub problem { return }
sub name{
my $fullname = &EXT('environment.lastname').', '.&EXT('environment.firstname').' '.&EXT('environment.middlename');
$fullname = "" if $fullname eq ", ";
$fullname =~ s/\%2d/-/g;
return $fullname;
}
sub student_number {
my $id = &EXT('environment.id');
$id = '' if $id eq "";
return $id;
}
sub class {
my $course = &EXT('course.description');
$course = '' if $course eq "";
return $course;
}
sub sec {
my $sec = &EXT('request.course.sec');
$sec = '' if $sec eq "";
return $sec;
}
sub open_date {
my @dc = split(/\s+/,localtime(&EXT('resource.0.opendate')));
return '' if ($dc[0] eq "Wed" and $dc[2] == 31 and $dc[4] == 1969);
my @hm = split(/:/,$dc[3]);
my $ampm = " am";
if ($hm[0] > 12) {
$hm[0]-=12;
$ampm = " pm";
}
return $dc[0].', '.$dc[1].' '.$dc[2].', '.$dc[4].' at '.$hm[0].':'.$hm[1].$ampm;
}
sub due_date {
my @dc = split(/\s+/,localtime(&EXT('resource.0.duedate')));
return '' if ($dc[0] eq "Wed" and $dc[2] == 31 and $dc[4] == 1969);
my @hm = split(/:/,$dc[3]);
my $ampm = " am";
if ($hm[0] > 12) {
$hm[0]-=12;
$ampm = " pm";
}
return $dc[0].', '.$dc[1].' '.$dc[2].', '.$dc[4].' at '.$hm[0].':'.$hm[1].$ampm;
}
sub answer_date {
my @dc = split(/\s+/,localtime(&EXT('resource.0.answerdate')));
return '' if ($dc[0] eq "Wed" and $dc[2] == 31 and $dc[4] == 1969);
my @hm = split(/:/,$dc[3]);
my $ampm = " am";
if ($hm[0] > 12) {
$hm[0]-=12;
$ampm = " pm";
}
return $dc[0].', '.$dc[1].' '.$dc[2].', '.$dc[4].' at '.$hm[0].':'.$hm[1].$ampm;
}
sub array_moments {
my @input=@_;
my (@output,$N);
$N=scalar (@input);
$output[0]=$N;
if ($N <= 1) {
$output[1]=$input[0];
$output[1]="Input array not defined" if ($N == 0);
$output[2]="variance undefined for N<=1";
$output[3]="skewness undefined for N<=1";
$output[4]="kurtosis undefined for N<=1";
return @output;
}
my $sum=0;
foreach my $line (@input) {
$sum+=$line;
}
$output[1] = $sum/$N;
my ($x,$sdev,$var,$skew,$kurt) = 0;
foreach my $line (@input) {
$x=$line-$output[1];
$var+=$x**2;
$skew+=$x**3;
$kurt+=$x**4;
}
$output[2]=$var/($N-1);
$sdev=CORE::sqrt($output[2]);
if ($sdev == 0) {
$output[3]="inf-variance=0";
$output[4]="inf-variance=0";
return @output;
}
$output[3]=$skew/($sdev**3*$N);
$output[4]=$kurt/($sdev**4*$N)-3;
return @output;
}
sub choose {
my $num = $_[0];
return $_[$num];
}
#&sum1(1,$x,sub { &sum1($_[0],2*$_[0], sub { fact($_[0])**2 })});
#sub sum1 {
# my ($start,$end,$sub)=@_;
# my $sum=0;
# for (my $i=$start;$i<=$end;$i++) {
# $sum+=&$sub($i);
# }
# return $sum
#}
#&sum2('a',1,$x,'&sum2(\'b\',$a,2*$a, \'&factorial($b)**2\')');
#sub sum2 {
# my ($varname,$start,$end,$line)=@_;
# my $sum=0;
# for (my $i=$start;$i<=$end;$i++) {
# my $func=sub {
# eval("\$".$varname."=$i");
# eval($line);
# };
# $sum+=&$func($i);
# }
# return $sum
#}
# expiremental idea
sub proper_path {
my ($path)=@_;
if ( $external::target eq "tex" ) {
return '/home/httpd/html'.$path;
} else {
return $path;
}
}
--bisitz1150120277--