1: # The LearningOnline Network with CAPA
2: # caparesponse definition
3: #
4: # $Id: caparesponse.pm,v 1.202 2006/12/15 22:11:43 www Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28:
29: package Apache::caparesponse;
30: use strict;
31: use capa;
32: use Safe::Hole;
33: use Apache::lonmaxima();
34: use Apache::lonlocal;
35: use Apache::lonnet;
36: use Apache::response();
37: use Storable qw(dclone);
38:
39: BEGIN {
40: &Apache::lonxml::register('Apache::caparesponse',('numericalresponse','stringresponse','formularesponse'));
41: }
42:
43: my %answer;
44: my $cur_name;
45: my $tag_internal_answer_name = 'INTERNAL';
46:
47: sub start_answer {
48: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
49: my $result;
50: $cur_name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
51: if ($cur_name =~ /^\s*$/) { $cur_name = $Apache::lonxml::curdepth; }
52: my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
53: if (!defined($type) && $tagstack->[-2] eq 'answergroup') {
54: $type = &Apache::lonxml::get_param('type',$parstack,$safeeval,-2);
55: }
56: if (!defined($type)) { $type = 'ordered' };
57: $answer{$cur_name}= { 'type' => $type,
58: 'answers' => [] };
59: return $result;
60: }
61:
62: sub end_answer {
63: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
64: my $result;
65: undef($cur_name);
66: return $result;
67: }
68:
69: sub start_answergroup {
70: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
71: my $result;
72: return $result;
73: }
74:
75: sub end_answergroup {
76: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
77: my $result;
78: if ($target eq 'web') {
79: if ( &Apache::response::show_answer() ) {
80: my $partid = $Apache::inputtags::part;
81: my $id = $Apache::inputtags::response[-1];
82: &set_answertext($Apache::lonhomework::history{"resource.$partid.$id.answername"},
83: $target,$token,$tagstack,$parstack,$parser,
84: $safeeval,-2);
85: }
86: }
87: return $result;
88: }
89:
90: sub start_value {
91: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
92: my $result;
93: if ( $target eq 'web' || $target eq 'tex' ||
94: $target eq 'grade' || $target eq 'webgrade' ||
95: $target eq 'answer' || $target eq 'analyze' ) {
96: my $bodytext = &Apache::lonxml::get_all_text("/value",$parser,$style);
97: $bodytext = &Apache::run::evaluate($bodytext,$safeeval,
98: $$parstack[-1]);
99:
100: push(@{ $answer{$cur_name}{'answers'} },[$bodytext]);
101:
102: }
103: return $result;
104: }
105:
106: sub end_value {
107: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
108: my $result;
109: return $result;
110: }
111:
112: sub start_vector {
113: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
114: my $result;
115: if ( $target eq 'web' || $target eq 'tex' ||
116: $target eq 'grade' || $target eq 'webgrade' ||
117: $target eq 'answer' || $target eq 'analyze' ) {
118: my $bodytext = &Apache::lonxml::get_all_text("/vector",$parser,$style);
119: my @values = &Apache::run::run($bodytext,$safeeval,$$parstack[-1]);
120: if (@values == 1) {
121: @values = split(',',$values[0]);
122: }
123: push(@{ $answer{$cur_name}{'answers'} },\@values);
124: }
125: return $result;
126: }
127:
128: sub end_vector {
129: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
130: my $result;
131: return $result;
132: }
133:
134: sub start_array {
135: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
136: my $result;
137: if ( $target eq 'web' || $target eq 'tex' ||
138: $target eq 'grade' || $target eq 'webgrade' ||
139: $target eq 'answer' || $target eq 'analyze' ) {
140: my $bodytext = &Apache::lonxml::get_all_text("/array",$parser,$style);
141: my @values = &Apache::run::evaluate($bodytext,$safeeval,
142: $$parstack[-1]);
143: push(@{ $answer{$cur_name}{'answers'} },@values);
144: }
145: return $result;
146: }
147:
148: sub end_array {
149: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
150: my $result;
151: return $result;
152: }
153:
154: sub start_unit {
155: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
156: my $result;
157: return $result;
158: }
159:
160: sub end_unit {
161: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
162: my $result;
163: return $result;
164: }
165:
166: sub start_numericalresponse {
167: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
168: &Apache::lonxml::register('Apache::caparesponse',
169: ('answer','answergroup','value','array','unit',
170: 'vector'));
171: my $id = &Apache::response::start_response($parstack,$safeeval);
172: my $result;
173: undef(%answer);
174: undef(%{$safeeval->varglob('LONCAPA::CAPAresponse_args')});
175: if ($target eq 'edit') {
176: $result.=&Apache::edit::tag_start($target,$token);
177: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
178: if ($token->[1] eq 'numericalresponse') {
179: $result.=&Apache::edit::text_arg('Incorrect Answers:','incorrect',
180: $token).
181: &Apache::loncommon::help_open_topic('numerical_wrong_answers');
182: $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
183: &Apache::loncommon::help_open_topic('Physical_Units');
184: $result.=&Apache::edit::text_arg('Format:','format',$token,4).
185: &Apache::loncommon::help_open_topic('Numerical_Response_Format');
186: } elsif ($token->[1] eq 'formularesponse') {
187: $result.=&Apache::edit::text_arg('Sample Points:','samples',
188: $token,40).
189: &Apache::loncommon::help_open_topic('Formula_Response_Sampling');
190: }
191: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
192: } elsif ($target eq 'modified') {
193: my $constructtag;
194: if ($token->[1] eq 'numericalresponse') {
195: $constructtag=&Apache::edit::get_new_args($token,$parstack,
196: $safeeval,'answer',
197: 'incorrect','unit',
198: 'format');
199: } elsif ($token->[1] eq 'formularesponse') {
200: $constructtag=&Apache::edit::get_new_args($token,$parstack,
201: $safeeval,'answer',
202: 'samples');
203: }
204: if ($constructtag) {
205: $result = &Apache::edit::rebuild_tag($token);
206: $result.=&Apache::edit::handle_insert();
207: }
208: } elsif ($target eq 'meta') {
209: $result=&Apache::response::meta_package_write('numericalresponse');
210: } elsif ($target eq 'answer' || $target eq 'grade') {
211: &Apache::response::reset_params();
212: } elsif ($target eq 'web') {
213: my $partid = $Apache::inputtags::part;
214: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
215: &Apache::lonxml::debug("Got unit $hideunit for $partid $id");
216: #no way to enter units, with radio buttons
217: if (lc($hideunit) eq "yes") {
218: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
219: $safeeval);
220: if ($unit =~ /\S/) { $result.=" (in $unit) "; }
221: }
222: if ( &Apache::response::show_answer() ) {
223: &set_answertext($tag_internal_answer_name,$target,$token,$tagstack,
224: $parstack,$parser,$safeeval,-1);
225: }
226: }
227: return $result;
228: }
229:
230: sub set_answertext {
231: my ($name,$target,$token,$tagstack,$parstack,$parser,$safeeval,
232: $response_level) = @_;
233: &add_in_tag_answer($parstack,$safeeval,$response_level);
234:
235: return if ($name eq '' || !ref($answer{$name}));
236:
237: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
238: $safeeval,$response_level);
239: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval,
240: $response_level);
241:
242: &Apache::lonxml::debug("answer looks to be $name");
243: my @answertxt;
244: for (my $i=0; $i < scalar(@{$answer{$name}{'answers'}}); $i++) {
245: my $answertxt;
246: my $answer=$answer{$name}{'answers'}[$i];
247: foreach my $element (@$answer) {
248: if ( scalar(@$tagstack)
249: && $tagstack->[$response_level] ne 'numericalresponse') {
250: $answertxt.=$element.',';
251: } else {
252: my $format;
253: if ($#formats > 0) {
254: $format=$formats[$i];
255: } else {
256: $format=$formats[0];
257: }
258: if ($unit=~/\$/) { $format="\$".$format; $unit=~s/\$//g; }
259: if ($unit=~/\,/) { $format="\,".$format; $unit=~s/\,//g; }
260: my $formatted=&format_number($element,$format,$target,
261: $safeeval);
262: $answertxt.=' '.$formatted.',';
263: }
264:
265: }
266: chop($answertxt);
267: if ($target eq 'web') {
268: $answertxt.=" $unit ";
269: }
270:
271: push(@answertxt,$answertxt)
272: }
273:
274: my $id = $Apache::inputtags::response[-1];
275: $Apache::inputtags::answertxt{$id}=\@answertxt;
276: }
277:
278: sub setup_capa_args {
279: my ($safeeval,$parstack,$args,$response) = @_;
280: my $args_ref= \%{$safeeval->varglob('LONCAPA::CAPAresponse_args')};
281: undef(%{ $args_ref });
282:
283: foreach my $arg (@{$args}) {
284: $$args_ref{$arg}=
285: &Apache::lonxml::get_param($arg,$parstack,$safeeval);
286: }
287: foreach my $key (keys(%Apache::inputtags::params)) {
288: $$args_ref{$key}=$Apache::inputtags::params{$key};
289: }
290: &setup_capa_response($args_ref,$response);
291: return $args_ref;
292: }
293:
294: sub setup_capa_response {
295: my ($args_ref,$response) = @_;
296:
297: use Data::Dumper;
298: &Apache::lonxml::debug("response dump is ".&Dumper($response));
299:
300: if (ref($response)) {
301: $$args_ref{'response'}=dclone($response);
302: } else {
303: $$args_ref{'response'}=dclone([$response]);
304: }
305: }
306:
307: sub check_submission {
308: my ($response,$partid,$id,$tag,$parstack,$safeeval,$ignore_sig)=@_;
309: my @args = ('type','tol','sig','format','unit','calc','samples');
310: my $args_ref = &setup_capa_args($safeeval,$parstack,\@args,$response);
311:
312: my $hideunit=
313: &Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
314: #no way to enter units, with radio buttons
315: if ($Apache::lonhomework::type eq 'exam' ||
316: lc($hideunit) eq "yes") {
317: delete($$args_ref{'unit'});
318: }
319: #sig fig don't make much sense either
320: if (($Apache::lonhomework::type eq 'exam' ||
321: &Apache::response::submitted('scantron') ||
322: $ignore_sig) &&
323: $tag eq 'numericalresponse') {
324: delete($$args_ref{'sig'});
325: }
326:
327: if ($tag eq 'formularesponse') {
328: if ($$args_ref{'samples'}) {
329: $$args_ref{'type'}='fml';
330: } else {
331: $$args_ref{'type'}='math';
332: }
333: } elsif ($tag eq 'numericalresponse') {
334: $$args_ref{'type'}='float';
335: }
336:
337: &add_in_tag_answer($parstack,$safeeval);
338:
339: my (@final_awards,@final_msgs,@names);
340: foreach my $name (keys(%answer)) {
341: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
342:
343: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
344: &setup_capa_response($args_ref,$response);
345: use Time::HiRes;
346: my $t0 = [Time::HiRes::gettimeofday()];
347: my ($result,@msgs) =
348: &Apache::run::run("&caparesponse_check_list()",$safeeval);
349: &Apache::lonxml::debug("checking $name $result with $response took ".&Time::HiRes::tv_interval($t0));
350: &Apache::lonxml::debug('msgs are '.join(':',@msgs));
351: my ($awards)=split(/:/,$result);
352: my @awards= split(/,/,$awards);
353: my ($ad, $msg) = &Apache::inputtags::finalizeawards(\@awards,\@msgs);
354: push(@final_awards,$ad);
355: push(@final_msgs,$msg);
356: push(@names,$name);
357: }
358: my ($ad, $msg, $name) = &Apache::inputtags::finalizeawards(\@final_awards,
359: \@final_msgs,
360: \@names,1);
361: &Apache::lonxml::debug(" name of picked award is $name from ".join(', ',@names));
362: return($ad,$msg, $name);
363: }
364:
365: sub add_in_tag_answer {
366: my ($parstack,$safeeval,$response_level) = @_;
367: my @answer=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval,
368: $response_level);
369: &Apache::lonxml::debug('answer is'.join(':',@answer));
370: if (@answer && defined($answer[0])) {
371: $answer{$tag_internal_answer_name}= {'type' => 'ordered',
372: 'answers' => [\@answer] };
373: }
374: }
375:
376: sub capa_formula_fix {
377: my ($expression)=@_;
378: return &Apache::response::implicit_multiplication($expression);
379: }
380:
381: sub end_numericalresponse {
382: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
383: my $increment=1;
384: my $result = '';
385: if (!$Apache::lonxml::default_homework_loaded) {
386: &Apache::lonxml::default_homework_load($safeeval);
387: }
388: my $partid = $Apache::inputtags::part;
389: my $id = $Apache::inputtags::response[-1];
390: my $tag;
391: my $safehole = new Safe::Hole;
392: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
393: $safehole->wrap(\&Apache::lonmaxima::maxima_check,$safeeval,'&maxima_check');
394: $safehole->wrap(\&Apache::lonmaxima::maxima_cas_formula_fix,$safeeval,'&maxima_cas_formula_fix');
395: $safehole->wrap(\&capa_formula_fix,$safeeval,'&capa_formula_fix');
396:
397: if (scalar(@$tagstack)) { $tag=$$tagstack[-1]; }
398: if ( $target eq 'grade' && &Apache::response::submitted() ) {
399: &Apache::response::setup_params($tag,$safeeval);
400: if ($Apache::lonhomework::type eq 'exam' &&
401: (($tag eq 'formularesponse') || ($tag eq 'mathresponse'))) {
402: $increment=&Apache::response::scored_response($partid,$id);
403: } else {
404: my $response = &Apache::response::getresponse();
405: if ( $response =~ /[^\s]/) {
406: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
407: &Apache::lonxml::debug("submitted a $response<br>\n");
408: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
409:
410: if ( &Apache::response::submitted('scantron')) {
411: my ($values,$display)=&make_numerical_bubbles($partid,$id,
412: $target,$parstack,$safeeval);
413: $response=$values->[$response];
414: }
415: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
416: my ($ad,$msg,$name)=&check_submission($response,$partid,$id,
417: $tag,$parstack,
418: $safeeval);
419:
420: &Apache::lonxml::debug('ad is'.$ad);
421: if ($ad eq 'SIG_FAIL') {
422: my ($sig_u,$sig_l)=
423: &get_sigrange($Apache::inputtags::params{'sig'});
424: $msg=join(':',$msg,$sig_l,$sig_u);
425: &Apache::lonxml::debug("sigs bad $sig_u $sig_l ".
426: $Apache::inputtags::params{'sig'});
427: }
428: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
429: if ($Apache::lonhomework::type eq 'survey' &&
430: ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
431: $ad eq 'EXACT_ANS')) {
432: $ad='SUBMITTED';
433: }
434: &Apache::response::handle_previous(\%previous,$ad);
435: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
436: $Apache::lonhomework::results{"resource.$partid.$id.awardmsg"}=$msg;
437: $Apache::lonhomework::results{"resource.$partid.$id.answername"}=$name;
438: $result='';
439: }
440: }
441: } elsif ($target eq 'web' || $target eq 'tex') {
442: &check_for_answer_errors($parstack,$safeeval);
443: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
444: my $status = $Apache::inputtags::status['-1'];
445: if ($Apache::lonhomework::type eq 'exam') {
446: # FIXME support multi dimensional numerical problems
447: # in exam bubbles
448: my ($bubble_values,$bubble_display)=
449: &make_numerical_bubbles($partid,$id,$target,$parstack,
450: $safeeval);
451: my $number_of_bubbles = scalar(@{ $bubble_values });
452: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
453: $safeeval);
454: my @alphabet=('A'..'Z');
455: if ($target eq 'web') {
456: if ($tag eq 'numericalresponse') {
457: if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
458: $result.= '<table border="1"><tr>';
459: my $previous=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.$id.submission"};
460: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
461: my $checked='';
462: if ($previous eq $bubble_values->[$ind]) {
463: $checked=" checked='on' ";
464: }
465: $result.='<td><input type="radio" name="HWVAL_'.$id.
466: '" value="'.$bubble_values->[$ind].'" '.$checked
467: .' /><b>'.$alphabet[$ind].'</b>: '.
468: $bubble_display->[$ind].'</td>';
469: }
470: $result.='</tr></table>';
471: }
472: } elsif ($target eq 'tex') {
473: if ((defined $unit) and ($unit=~/\S/) and ($Apache::lonhomework::type eq 'exam')) {
474: $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
475: }
476: if ($tag eq 'numericalresponse') {
477: my ($celllength,$number_of_tables,@table_range)=
478: &get_table_sizes($number_of_bubbles,$bubble_display);
479: my $j=0;
480: my $cou=0;
481: $result.='\vskip -1 mm \noindent \begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]';
482: for (my $i=0;$i<$number_of_tables;$i++) {
483: $result.='\vskip -1 mm \noindent \setlength{\tabcolsep}{2 mm}\begin{tabular}{';
484: for (my $ind=0;$ind<$table_range[$j];$ind++) {
485: $result.='p{3 mm}p{'.$celllength.' mm}';
486: }
487: $result.='}';
488: for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
489: $result.='\hskip -4 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$ & \hskip -3 mm {\small '.$bubble_display->[$ind].'} ';
490: if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
491: }
492: $cou += $table_range[$j];
493: $j++;
494: $result.='\\\\\end{tabular}\vskip 0 mm ';
495: }
496: $result.='\end{enumerate}';
497: } else {
498: $increment = &Apache::response::repetition();
499: }
500: }
501: }
502: } elsif ($target eq 'edit') {
503: $result.='</td></tr>'.&Apache::edit::end_table;
504: } elsif ($target eq 'answer' || $target eq 'analyze') {
505: my $part_id="$partid.$id";
506: if ($target eq 'analyze') {
507: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
508: $Apache::lonhomework::analyze{"$part_id.type"} = $tag;
509: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,$safeeval);
510: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
511: push (@{ $Apache::lonhomework::analyze{"$part_id.incorrect"} }, @incorrect);
512: &Apache::response::check_if_computed($token,$parstack,
513: $safeeval,'answer');
514: }
515: if (scalar(@$tagstack)) {
516: &Apache::response::setup_params($tag,$safeeval);
517: }
518: &add_in_tag_answer($parstack,$safeeval);
519: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
520:
521: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
522:
523: if ($target eq 'answer') {
524: $result.=&Apache::response::answer_header($tag,undef,
525: scalar(keys(%answer)));
526: if ($tag eq 'numericalresponse'
527: && $Apache::lonhomework::type eq 'exam') {
528: my ($bubble_values,undef,$correct) = &make_numerical_bubbles($partid,
529: $id,$target,$parstack,$safeeval);
530: $result.=&Apache::response::answer_part($tag,$correct);
531: }
532: }
533: foreach my $name (sort(keys(%answer))) {
534: my @answers = @{ $answer{$name}{'answers'} };
535: if ($target eq 'analyze') {
536: foreach my $info ('answer','ans_high','ans_low','format') {
537: $Apache::lonhomework::analyze{"$part_id.$info"}{$name}=[];
538: }
539: }
540: my ($sigline,$tolline);
541: if ($name ne $tag_internal_answer_name
542: || scalar(keys(%answer)) > 1) {
543: $result.=&Apache::response::answer_part($tag,$name);
544: }
545: for(my $i=0;$i<=$#answers;$i++) {
546: my $ans=$answers[$i];
547: my $fmt=$formats[0];
548: if (@formats && $#formats) {$fmt=$formats[$i];}
549: my ($sighigh,$siglow);
550: if ($Apache::inputtags::params{'sig'}) {
551: ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
552: }
553: my @vector;
554: if (ref($ans)) {
555: @vector = @{ $ans };
556: } else {
557: @vector = ($ans);
558: }
559: my @all_answer_info;
560: foreach my $element (@vector) {
561: my ($high,$low);
562: if ($Apache::inputtags::params{'tol'}) {
563: ($high,$low)=&get_tolrange($element,$Apache::inputtags::params{'tol'});
564: }
565: if ($target eq 'answer') {
566: if ($fmt && $tag eq 'numericalresponse') {
567: $fmt=~s/e/E/g;
568: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
569: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
570: $element = &format_number($element,$fmt,$target,$safeeval);
571: #if ($high) {
572: # $high=&format_number($high,$fmt,$target,$safeeval);
573: # $low =&format_number($low,$fmt,$target,$safeeval);
574: #}
575: }
576: if ($high && $tag eq 'numericalresponse') {
577: $element.=' ['.$low.','.$high.']';
578: $tolline .= "[$low, $high]";
579: }
580: if (defined($sighigh) && $tag eq 'numericalresponse') {
581: if ($env{'form.answer_output_mode'} eq 'tex') {
582: $element.= " Sig $siglow - $sighigh";
583: } else {
584: $element.= " Sig <i>$siglow - $sighigh</i>";
585: $sigline .= "[$siglow, $sighigh]";
586: }
587: }
588: push(@all_answer_info,$element);
589:
590: } elsif ($target eq 'analyze') {
591: push (@{ $Apache::lonhomework::analyze{"$part_id.answer"}{$name}[$i] }, $element);
592: if ($high) {
593: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"}{$name}[$i] }, $high);
594: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"}{$name}[$i] }, $low);
595: }
596: if ($fmt) {
597: push (@{ $Apache::lonhomework::analyze{"$part_id.format"}{$name}[$i] }, $fmt);
598: }
599: }
600: }
601: if ($target eq 'answer') {
602: $result.= &Apache::response::answer_part($tag,join(', ',@all_answer_info));
603: }
604: }
605:
606: my @fmt_ans;
607: for(my $i=0;$i<=$#answers;$i++) {
608: my $ans=$answers[$i];
609: my $fmt=$formats[0];
610: if (@formats && $#formats) {$fmt=$formats[$i];}
611: foreach my $element (@$ans) {
612: if ($fmt && $tag eq 'numericalresponse') {
613: $fmt=~s/e/E/g;
614: if ($unit=~/\$/) { $fmt="\$".$fmt; $unit=~s/\$//g; }
615: if ($unit=~/\,/) { $fmt="\,".$fmt; $unit=~s/\,//g; }
616: $element = &format_number($element,$fmt,$target,
617: $safeeval);
618: if ($fmt=~/\$/ && $unit!~/\$/) { $element=~s/\$//; }
619: }
620: }
621: push(@fmt_ans,join(',',@$ans));
622: }
623: my $response=\@fmt_ans;
624:
625: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.
626: $id.'.turnoffunit');
627: if ($unit ne '' &&
628: ! ($Apache::lonhomework::type eq 'exam' ||
629: lc($hideunit) eq "yes") ) {
630: my $cleanunit=$unit;
631: $cleanunit=~s/\$\,//g;
632: foreach my $ans (@fmt_ans) {
633: $ans.=" $cleanunit";
634: }
635: }
636: my ($ad,$msg)=&check_submission($response,$partid,$id,$tag,
637: $parstack,$safeeval);
638: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
639: my $error;
640: if ($tag eq 'formularesponse') {
641: $error=&mt('Computer\'s answer is incorrect ("[_1]").',join(', ',@$response));
642: } else {
643: # answer failed check if it is sig figs that is failing
644: my ($ad,$msg)=&check_submission($response,$partid,$id,
645: $tag,$parstack,
646: $safeeval,1);
647: if ($sigline ne '') {
648: $error=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range [_2] or significant figures [_3] need to be adjusted.',join(', ',@$response),$tolline,$sigline);
649: } else {
650: $error=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range [_2] needs to be adjusted.',join(', ',@$response),$tolline);
651: }
652: }
653: if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
654: &Apache::lonxml::error($error);
655: } else {
656: &Apache::lonxml::warning($error);
657: }
658: }
659:
660: if (defined($unit) and ($unit ne '') and
661: $tag eq 'numericalresponse') {
662: if ($target eq 'answer') {
663: if ($env{'form.answer_output_mode'} eq 'tex') {
664: $result.=&Apache::response::answer_part($tag,
665: " Unit: $unit ");
666: } else {
667: $result.=&Apache::response::answer_part($tag,
668: "Unit: <b>$unit</b>");
669: }
670: } elsif ($target eq 'analyze') {
671: push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} }, $unit);
672: }
673: }
674: if ($tag eq 'formularesponse' && $target eq 'answer') {
675: my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
676: $result.=&Apache::response::answer_part($tag,$samples);
677: }
678: $result.=&Apache::response::next_answer($tag,$name);
679: }
680: if ($target eq 'answer') {
681: $result.=&Apache::response::answer_footer($tag);
682: }
683: }
684: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
685: $target eq 'tex' || $target eq 'analyze') {
686: &Apache::lonxml::increment_counter($increment);
687: }
688: &Apache::response::end_response();
689: return $result;
690: }
691:
692: sub check_for_answer_errors {
693: my ($parstack,$safeeval) = @_;
694: &add_in_tag_answer($parstack,$safeeval);
695: my %counts;
696: foreach my $name (keys(%answer)) {
697: push(@{$counts{scalar(@{$answer{$name}{'answers'}})}},$name);
698: }
699: if (scalar(keys(%counts)) > 1) {
700: my $counts = join(' ',map {
701: my $count = $_;
702: &mt("Answers [_1] had [_2] components.",
703: '<tt>'.join(', ',@{$counts{$count}}).'</tt>',
704: $count);
705: } (sort(keys(%counts))));
706: &Apache::lonxml::error(&mt("All answers must have the same number of components. Varying numbers of answers were seen. ").$counts);
707: }
708: use Data::Dumper;
709: &Apache::lonxml::debug("count dump is ".&Dumper(\%counts));
710: my $expected_number_of_inputs = (keys(%counts))[0];
711: if ( $expected_number_of_inputs != scalar(@Apache::inputtags::inputlist)) {
712: &Apache::lonxml::error(&mt("Expected [_1] input fields, but there were only [_2] seen.",
713: $expected_number_of_inputs,
714: scalar(@Apache::inputtags::inputlist)));
715: }
716: }
717:
718: sub get_table_sizes {
719: my ($number_of_bubbles,$rbubble_values)=@_;
720: my $scale=2; #mm for one digit
721: my $cell_width=0;
722: foreach my $member (@$rbubble_values) {
723: my $cell_width_real=0;
724: if ($member=~/(\+|-)?(\d*)\.?(\d*)\s*\$?\\times\s*10\^{(\+|-)?(\d+)}\$?/) {
725: $cell_width_real=(length($2)+length($3)+length($5)+7)*$scale;
726: } elsif ($member=~/(\d*)\.?(\d*)(E|e)(\+|-)?(\d*)/) {
727: $cell_width_real=(length($1)+length($2)+length($5)+9)*$scale;
728: } elsif ($member=~/(\d*)\.(\d*)/) {
729: $cell_width_real=(length($1)+length($2)+3)*$scale;
730: } else {
731: $cell_width_real=(length($member)+1)*$scale*0.9;
732: }
733: if ($cell_width_real>$cell_width) {$cell_width=$cell_width_real;}
734: }
735: $cell_width+=8;
736: my $textwidth;
737: if ($env{'form.textwidth'} ne '') {
738: $env{'form.textwidth'}=~/(\d*)\.?(\d*)/;
739: $textwidth=$1.'.'.$2;
740: } else {
741: $env{'form.textwidth'}=~/(\d+)\.?(\d*)/;
742: $textwidth=$1.'.'.$2;
743: }
744: my $bubbles_per_line=int($textwidth/$cell_width);
745: if ($bubbles_per_line > $number_of_bubbles) {
746: $bubbles_per_line=$number_of_bubbles;
747: }elsif (($bubbles_per_line > $number_of_bubbles/2) && ($number_of_bubbles % 2==0)) {$bubbles_per_line=$number_of_bubbles/2;}
748: my $number_of_tables = int($number_of_bubbles/$bubbles_per_line);
749: my @table_range = ();
750: for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;}
751: if ($number_of_bubbles % $bubbles_per_line) {
752: $number_of_tables++;
753: push @table_range,($number_of_bubbles % $bubbles_per_line);
754: }
755: $cell_width-=8;
756: $cell_width=$cell_width*3/4;
757: return ($cell_width,$number_of_tables,@table_range);
758: }
759:
760: sub format_number {
761: my ($number,$format,$target,$safeeval)=@_;
762: my $ans;
763: if ($format eq '') {
764: #What is the number? (integer,decimal,floating point)
765: if ($number=~/^(\d*\.?\d*)(E|e)[+\-]?(\d*)$/) {
766: $format = '3e';
767: } elsif ($number=~/^(\d*)\.(\d*)$/) {
768: $format = '4f';
769: } elsif ($number=~/^(\d*)$/) {
770: $format = 'd';
771: }
772: }
773: if (!$Apache::lonxml::default_homework_loaded) {
774: &Apache::lonxml::default_homework_load($safeeval);
775: }
776: $ans=&Apache::run::run("&prettyprint(q\0$number\0,q\0$format\0,q\0$target\0)",$safeeval);
777: return $ans;
778: }
779:
780: sub make_numerical_bubbles {
781: my ($part,$id,$target,$parstack,$safeeval) =@_;
782:
783: my $number_of_bubbles =
784: &Apache::response::get_response_param($part.'_'.$id,'numbubbles',8);
785:
786: my ($format)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
787: my $name = (exists($answer{$tag_internal_answer_name})
788: ? $tag_internal_answer_name
789: : (sort(keys(%answer)))[0]);
790:
791: if ( scalar(@{$answer{$name}{'answers'}}) > 1) {
792: &Apache::lonxml::error("Only answers with 1 component are supported in exam mode");
793: }
794: if (scalar(@{$answer{$name}{'answers'}[0]}) > 1) {
795: &Apache::lonxml::error("Vector answers are unsupported in exam mode.");
796: }
797:
798: my $answer = $answer{$name}{'answers'}[0][0];
799: my (@incorrect)=&Apache::lonxml::get_param_var('incorrect',$parstack,
800: $safeeval);
801: if ($#incorrect eq 0) { @incorrect=(split(/,/,$incorrect[0])); }
802:
803: my @bubble_values=();
804: my @alphabet=('A'..'Z');
805:
806: &Apache::lonxml::debug("answer is $answer incorrect is @incorrect");
807: my @oldseed=&Math::Random::random_get_seed();
808: if (@incorrect) {
809: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1 gt $number_of_bubbles));
810: if (defined($incorrect[0]) &&
811: scalar(@incorrect)+1 >= $number_of_bubbles) {
812: &Apache::lonxml::debug("inside ".(scalar(@incorrect)+1).":$number_of_bubbles");
813: &Apache::response::setrandomnumber();
814: my @rand_inc=&Math::Random::random_permutation(@incorrect);
815: @bubble_values=@rand_inc[0..($number_of_bubbles-2)];
816: @bubble_values=sort {$a <=> $b} (@bubble_values,$answer);
817: &Apache::lonxml::debug("Answer was :$answer: returning :".$#bubble_values.": which are :".join(':',@bubble_values));
818: &Math::Random::random_set_seed(@oldseed);
819:
820: my $correct;
821: for(my $i=0; $i<=$#bubble_values;$i++) {
822: if ($bubble_values[$i] eq $answer) {
823: $correct = $alphabet[$i];
824: last;
825: }
826: }
827:
828: if (defined($format) && $format ne '') {
829: my @bubble_display;
830: foreach my $value (@bubble_values) {
831: push(@bubble_display,
832: &format_number($value,$format,$target,$safeeval));
833: }
834: return (\@bubble_values,\@bubble_display,$correct);
835: } else {
836: return (\@bubble_values,\@bubble_values,$correct);
837: }
838: }
839: if (defined($incorrect[0]) &&
840: scalar(@incorrect)+1 < $number_of_bubbles) {
841: &Apache::lonxml::warning("Not enough incorrect answers were specified in the incorrect array, ignoring the specified incorrect answers and instead generating them (".join(',',@incorrect).").");
842: }
843: }
844: my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
845: my @powers = (1..$number_of_bubbles);
846: &Apache::response::setrandomnumber();
847: my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);
848: my $power = $powers[$ind];
849: $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
850: my $factor = $factors[$ind];
851: my @bubble_display;
852: for ($ind=0;$ind<$number_of_bubbles;$ind++) {
853: $bubble_values[$ind] = $answer*($factor**($power-$powers[$#powers-$ind]));
854: $bubble_display[$ind] = &format_number($bubble_values[$ind],
855: $format,$target,$safeeval);
856:
857: }
858: my $correct = $alphabet[$number_of_bubbles-$power];
859: &Math::Random::random_set_seed(@oldseed);
860: return (\@bubble_values,\@bubble_display,$correct);
861: }
862:
863: sub get_tolrange {
864: my ($ans,$tol)=@_;
865: my ($high,$low);
866: if ($tol =~ /%$/) {
867: chop($tol);
868: my $change=$ans*($tol/100.0);
869: $high=$ans+$change;
870: $low=$ans-$change;
871: } else {
872: $high=$ans+$tol;
873: $low=$ans-$tol;
874: }
875: return ($high,$low);
876: }
877:
878: sub get_sigrange {
879: my ($sig)=@_;
880: #&Apache::lonxml::debug("Got a sig of :$sig:");
881: my $courseid=$env{'request.course.id'};
882: if (lc($env{"course.$courseid.disablesigfigs"}) eq 'yes') {
883: return (15,0);
884: }
885: my $sig_lbound;
886: my $sig_ubound;
887: if ($sig eq '') {
888: $sig_lbound = 0; #SIG_LB_DEFAULT
889: $sig_ubound =15; #SIG_UB_DEFAULT
890: } else {
891: ($sig_lbound,$sig_ubound) = split(/,/,$sig);
892: if (!defined($sig_lbound)) {
893: $sig_lbound = 0; #SIG_LB_DEFAULT
894: $sig_ubound =15; #SIG_UB_DEFAULT
895: }
896: if (!defined($sig_ubound)) { $sig_ubound=$sig_lbound; }
897: }
898: if (($sig_ubound<$sig_lbound) ||
899: ($sig_lbound > 15) ||
900: ($sig =~/(\+|-)/ ) ) {
901: my $errormsg=&mt("Invalid Significant figures detected")." ($sig)";
902: if ($env{'request.state'} eq 'construct') {
903: $errormsg.=
904: &Apache::loncommon::help_open_topic('Significant_Figures');
905: }
906: &Apache::lonxml::error($errormsg);
907: }
908: return ($sig_ubound,$sig_lbound);
909: }
910:
911: sub start_stringresponse {
912: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
913: my $result;
914: my $id = &Apache::response::start_response($parstack,$safeeval);
915: if ($target eq 'meta') {
916: $result=&Apache::response::meta_package_write('stringresponse');
917: } elsif ($target eq 'edit') {
918: $result.=&Apache::edit::tag_start($target,$token);
919: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
920: $result.=&Apache::edit::select_arg('Type:','type',
921: [['cs','Case Sensitive'],['ci','Case Insensitive'],
922: ['mc','Case Insensitive, Any Order'],
923: ['re','Regular Expression']],$token);
924: $result.=&Apache::edit::text_arg('String to display for answer:',
925: 'answerdisplay',$token);
926: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
927: } elsif ($target eq 'modified') {
928: my $constructtag;
929: $constructtag=&Apache::edit::get_new_args($token,$parstack,
930: $safeeval,'answer',
931: 'type','answerdisplay');
932: if ($constructtag) {
933: $result = &Apache::edit::rebuild_tag($token);
934: $result.=&Apache::edit::handle_insert();
935: }
936: } elsif ($target eq 'web') {
937: if ( &Apache::response::show_answer() ) {
938: my $answer=
939: &Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
940: if (!defined $answer || $answer eq '') {
941: $answer=
942: &Apache::lonxml::get_param('answer',$parstack,$safeeval);
943: }
944: $Apache::inputtags::answertxt{$id}=[$answer];
945: }
946: } elsif ($target eq 'answer' || $target eq 'grade') {
947: &Apache::response::reset_params();
948: }
949: return $result;
950: }
951:
952: sub end_stringresponse {
953: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
954:
955: my $result = '';
956: my $part=$Apache::inputtags::part;
957: my $id=$Apache::inputtags::response[-1];
958: my $answer=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
959: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
960: my $answerdisplay=&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval);
961: &Apache::lonxml::debug("current $answer ".$token->[2]);
962: if (!$Apache::lonxml::default_homework_loaded) {
963: &Apache::lonxml::default_homework_load($safeeval);
964: }
965: if ( $target eq 'grade' && &Apache::response::submitted() ) {
966: &Apache::response::setup_params('stringresponse',$safeeval);
967: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
968: if ($Apache::lonhomework::type eq 'exam' ||
969: &Apache::response::submitted('scantron')) {
970: &Apache::response::scored_response($part,$id);
971:
972: } else {
973: my $response = &Apache::response::getresponse();
974: if ( $response =~ /[^\s]/) {
975: my %previous = &Apache::response::check_for_previous($response,
976: $part,$id);
977: &Apache::lonxml::debug("submitted a $response<br>\n");
978: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
979: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
980: $response;
981: my ($ad,$msg);
982: if ($type eq 're' ) {
983: # if the RE wasn't in a var it likely got munged,
984: # thus grab it from the var directly
985: # my $testans=$token->[2]->{'answer'};
986: # if ($testans !~ m/^\s*\$/) {
987: # $answer=$token->[2]->{'answer'};
988: # }
989: ${$safeeval->varglob('LONCAPA::response')}=$response;
990: $result = &Apache::run::run('if ($LONCAPA::response=~m'.$answer.') { return 1; } else { return 0; }',$safeeval);
991: &Apache::lonxml::debug("current $response");
992: &Apache::lonxml::debug("current $answer");
993: $ad = ($result) ? 'APPROX_ANS' : 'INCORRECT';
994: } else {
995: my @args = ('type');
996: my $args_ref = &setup_capa_args($safeeval,$parstack,
997: \@args,$response);
998:
999: &add_in_tag_answer($parstack,$safeeval);
1000: my (@final_awards,@final_msgs,@names);
1001: foreach my $name (keys(%answer)) {
1002: &Apache::lonxml::debug(" doing $name with ".join(':',@{ $answer{$name}{'answers'} }));
1003: ${$safeeval->varglob('LONCAPA::CAPAresponse_answer')}=dclone($answer{$name});
1004: my ($result, @msgs)=&Apache::run::run("&caparesponse_check_list()",$safeeval);
1005: &Apache::lonxml::debug('msgs are'.join(':',@msgs));
1006: my ($awards)=split(/:/,$result);
1007: my (@awards) = split(/,/,$awards);
1008: ($ad,$msg) =
1009: &Apache::inputtags::finalizeawards(\@awards,\@msgs);
1010: push(@final_awards,$ad);
1011: push(@final_msgs,$msg);
1012: push(@names,$name);
1013: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
1014: }
1015: my ($ad, $msg, $name) =
1016: &Apache::inputtags::finalizeawards(\@final_awards,
1017: \@final_msgs,
1018: \@names,1);
1019: }
1020: if ($Apache::lonhomework::type eq 'survey' &&
1021: ($ad eq 'INCORRECT' || $ad eq 'APPROX_ANS' ||
1022: $ad eq 'EXACT_ANS')) {
1023: $ad='SUBMITTED';
1024: }
1025: &Apache::response::handle_previous(\%previous,$ad);
1026: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
1027: $Apache::lonhomework::results{"resource.$part.$id.awardmsg"}=$msg;
1028: }
1029: }
1030: } elsif ($target eq 'answer' || $target eq 'analyze') {
1031: &add_in_tag_answer($parstack,$safeeval);
1032: if ($target eq 'analyze') {
1033: push (@{ $Apache::lonhomework::analyze{"parts"} },"$part.$id");
1034: $Apache::lonhomework::analyze{"$part.$id.type"} = 'stringresponse';
1035: &Apache::response::check_if_computed($token,$parstack,$safeeval,
1036: 'answer');
1037: }
1038: &Apache::response::setup_params('stringresponse',$safeeval);
1039: if ($target eq 'answer') {
1040: $result.=&Apache::response::answer_header('stringresponse');
1041: }
1042: foreach my $name (keys(%answer)) {
1043: my @answers = @{ $answer{$name}{'answers'} };
1044: for (my $i=0;$i<=$#answers;$i++) {
1045: my $answer_part = $answers[$i];
1046: foreach my $element (@{$answer_part}) {
1047: if ($target eq 'answer') {
1048: $result.=&Apache::response::answer_part('stringresponse',
1049: $element);
1050: } elsif ($target eq 'analyze') {
1051: push (@{ $Apache::lonhomework::analyze{"$part.$id.answer"}{$name}[$i] },
1052: $element);
1053: }
1054: }
1055: if ($target eq 'answer' && $type eq 're') {
1056: $result.=&Apache::response::answer_part('stringresponse',
1057: $answerdisplay);
1058: }
1059: }
1060: }
1061: my $string='Case Insensitive';
1062: if ($type eq 'mc') {
1063: $string='Multiple Choice';
1064: } elsif ($type eq 'cs') {
1065: $string='Case Sensitive';
1066: } elsif ($type eq 'ci') {
1067: $string='Case Insensitive';
1068: } elsif ($type eq 're') {
1069: $string='Regular Expression';
1070: }
1071: if ($target eq 'answer') {
1072: if ($env{'form.answer_output_mode'} eq 'tex') {
1073: $result.=&Apache::response::answer_part('stringresponse',
1074: "$string");
1075: } else {
1076: $result.=&Apache::response::answer_part('stringresponse',
1077: "<b>$string</b>");
1078: }
1079: } elsif ($target eq 'analyze') {
1080: push (@{$Apache::lonhomework::analyze{"$part.$id.str_type"}},
1081: $type);
1082: }
1083: if ($target eq 'answer') {
1084: $result.=&Apache::response::answer_footer('stringresponse');
1085: }
1086: } elsif ($target eq 'edit') {
1087: $result.='</td></tr>'.&Apache::edit::end_table;
1088: }
1089: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
1090: $target eq 'tex' || $target eq 'analyze') {
1091: &Apache::lonxml::increment_counter(&Apache::response::repetition());
1092: }
1093: &Apache::response::end_response;
1094: return $result;
1095: }
1096:
1097: sub start_formularesponse {
1098: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1099: my $result;
1100: if ($target eq 'meta') {
1101: &Apache::response::start_response($parstack,$safeeval);
1102: $result=&Apache::response::meta_package_write('formularesponse');
1103: &Apache::response::end_response();
1104: } else {
1105: $result.=&start_numericalresponse(@_);
1106: }
1107: return $result;
1108: }
1109:
1110: sub end_formularesponse {
1111: return end_numericalresponse(@_);
1112: }
1113:
1114: 1;
1115: __END__
1116:
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