version 1.30, 2001/07/13 14:49:28
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version 1.43, 2001/12/13 23:38:28
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# file name (temp): default_homework |
# The LearningOnline Network with CAPA |
# used by lonxml::xmlparse() as input variable $safeinit to Apache::run::run() |
# used by lonxml::xmlparse() as input variable $safeinit to Apache::run::run() |
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# |
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# $Id$ |
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# |
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# Copyright Michigan State University Board of Trustees |
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# |
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# This file is part of the LearningOnline Network with CAPA (LON-CAPA). |
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# |
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# LON-CAPA is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# LON-CAPA is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with LON-CAPA; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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# |
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# /home/httpd/html/adm/gpl.txt |
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# |
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# http://www.lon-capa.org/ |
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# |
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# |
# Guy Albertelli |
# Guy Albertelli |
# |
# |
# 05/25/2001 H. K. Ng |
# 05/25/2001 H. K. Ng |
# 05/31/2001 H. K. Ng |
# 05/31/2001 H. K. Ng |
# |
# |
#init some globals |
#init some globals |
$RANDOMINIT=0; |
$hidden::RANDOMINIT=0; |
$pi=atan2(1,1)*4; |
$pi=atan2(1,1)*4; |
$rad2deg=180.0/$pi; |
$rad2deg=180.0/$pi; |
$deg2rad=$pi/180.0; |
$deg2rad=$pi/180.0; |
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sub caparesponse_check { |
sub caparesponse_check { |
my $answer=''; #done |
#not properly used yet: calc |
my $type=''; #done |
#not to be used: $ans_fmt |
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my ($answer,$type,$tol,$sig,$ans_fmt,$unit,$calc,$samples) = |
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eval $_[1]. |
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';return ($answer,$type,$tol,$sig,$ans_fmt,$unit,$calc,$samples);'; |
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my $tol_type=''; # gets it's value from whether tol has a % or not done |
my $tol_type=''; # gets it's value from whether tol has a % or not done |
my $tol=''; #done |
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my $sig=''; #done lowerbnd,upperbnd |
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my $sig_lbound=''; #done |
my $sig_lbound=''; #done |
my $sig_ubound=''; #done |
my $sig_ubound=''; #done |
my $ans_fmt=''; |
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my $unit=''; #done |
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my $calc=''; |
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my ($response,$expr)=@_; |
my ($response,$expr)=@_; |
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($answer,$type,$tol,$sig,$ans_fmt, |
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$unit,$calc) = eval $expr.';return $answer,$type,$tol,$sig,$ans_fmt,$unit,$calc'; |
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#type's definitons come from capaParser.h |
#type's definitons come from capaParser.h |
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my $message=''; |
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#remove leading and trailing whitespace |
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if ($response=~ /^\s|\s$/) { |
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$response=~ s:^\s+|\s+$::g; |
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$message .="Removed ws now :$response:<br />"; |
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} else { |
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$message .="no ws in :$response:<br />"; |
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} |
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if ($type eq '' ) { |
if ($type eq '' ) { |
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$message .= "Didn't find a type :$type:$expr: defaulting<br />"; |
if ( $answer eq ($answer *1.0)) { $type = 2; |
if ( $answer eq ($answer *1.0)) { $type = 2; |
} else { $type = 3; } |
} else { $type = 3; } |
} else { |
} else { |
Line 37 sub caparesponse_check {
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Line 70 sub caparesponse_check {
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} elsif ($type eq 'mc') { $type = 5; |
} elsif ($type eq 'mc') { $type = 5; |
} elsif ($type eq 'fml') { $type = 8; |
} elsif ($type eq 'fml') { $type = 8; |
} elsif ($type eq 'subj') { $type = 7; |
} elsif ($type eq 'subj') { $type = 7; |
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} elsif ($type eq 'float') { $type = 2; |
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} elsif ($type eq 'int') { $type = 1; |
} else { return "ERROR: Unknown type of answer: $type" } |
} else { return "ERROR: Unknown type of answer: $type" } |
} |
} |
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my $points; |
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my $id_list; |
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#formula type setup the sample points |
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if ($type eq '8') { |
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($id_list,$points)=split(/@/,$samples); |
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$message.="Found :$points: points<br />"; |
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} |
if ($tol eq '') { |
if ($tol eq '') { |
$tol=0.0; |
$tol=0.0; |
$tol_type=1; #TOL_ABSOLUTE |
$tol_type=1; #TOL_ABSOLUTE |
Line 61 sub caparesponse_check {
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Line 103 sub caparesponse_check {
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my $result = &caparesponse_capa_check_answer($response,$answer,$type, |
my $result = &caparesponse_capa_check_answer($response,$answer,$type, |
$tol_type,$tol, |
$tol_type,$tol, |
$sig_lbound,$sig_ubound, |
$sig_lbound,$sig_ubound, |
$ans_fmt,$unit,$calc); |
$ans_fmt,$unit,$calc,$id_list, |
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$points,$external::randomseed); |
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if ($result == '1') { $result='EXACT_ANS'; } |
if ($result == '1') { $result='EXACT_ANS'; } |
elsif ($result == '2') { $result='APPROX_ANS'; } |
elsif ($result == '2') { $result='APPROX_ANS'; } |
Line 77 sub caparesponse_check {
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Line 120 sub caparesponse_check {
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elsif ($result =='12') { $result='WANTED_NUMERIC'; } |
elsif ($result =='12') { $result='WANTED_NUMERIC'; } |
else {$result = "ERROR: Unknown Result:$result:$@:";} |
else {$result = "ERROR: Unknown Result:$result:$@:";} |
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return "$result:<br />Error $error:<br />Answer $answer:<br />Response $response:<br />$type|$tol|$tol_type|$sig:$sig_lbound:$sig_ubound|$units<br />"; |
return "$result:<br />Error $error:<br />Answer $answer:<br />Response $response:<br /> type-$type|$tol|$tol_type|$sig:$sig_lbound:$sig_ubound|$unit|<br />$message$expr"; |
} |
} |
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sub caparesponse_check_list { |
sub get_array_args { |
my ($response,$expr)=@_; |
my ($expr,$arg)=@_; |
# do these first, because who knows what varname the instructor might have used |
# do these first, because who knows what varname the instructor might have used |
# but it probably isn't $CAPARESPONSE_CHECK_LIST_answer |
# but it probably isn't $CAPARESPONSE_CHECK_LIST_answer |
my $CAPARESPONSE_CHECK_LIST_answer = eval $expr.';return $answer'; |
my $CAPARESPONSE_CHECK_LIST_answer = eval $expr.';return $'.$arg; #' |
my (@list) = eval $CAPARESPONSE_CHECK_LIST_answer; |
my $GET_ARRAY_ARGS_result; |
my $result=''; |
my @GET_ARRAY_ARGS_list; |
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if ($CAPARESPONSE_CHECK_LIST_answer =~ /^\s*[\$\@]/) { |
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(@GET_ARRAY_ARGS_list) = eval $CAPARESPONSE_CHECK_LIST_answer; |
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} |
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$GET_ARRAY_ARGS_result.="error:$@:<br />"; |
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# if the eval fails just use what is in the answer exactly |
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if (!defined(@GET_ARRAY_ARGS_list) || !defined($GET_ARRAY_ARGS_list[0])) { |
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$GET_ARRAY_ARGS_result.="list zero is undefined<br />"; |
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$GET_ARRAY_ARGS_list[0]=$CAPARESPONSE_CHECK_LIST_answer; |
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} |
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return $GET_ARRAY_ARGS_result,@GET_ARRAY_ARGS_list; |
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} |
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sub caparesponse_check_list { |
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my ($response,$expr)=@_; |
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my $result; |
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my ($result,@list) = &get_array_args($expr,'answer'); |
my $aresult=''; |
my $aresult=''; |
my $current_answer; |
my $current_answer; |
my (@responselist)=split /,/,$response; |
my $answers=join(':',@list); |
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$result.="Got response :$answers:<br />"; |
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my @responselist; |
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my $type =eval $expr.';return $answer;'; |
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if ($type ne '' && $#list > 0) { |
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(@responselist)=split /,/,$response; |
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} else { |
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(@responselist)=($response); |
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} |
my $unit=''; |
my $unit=''; |
$result.="Final response :$responselist['-1']:<br />"; |
$result.="Initial final response :$responselist['-1']:<br />"; |
if ( $responselist['-1']=~ /(.*[^\s])\s+([^\s]+)/ ) { |
if ($type eq '') { |
$responselist['-1']=$1; |
#for numerical problems split off the unit |
$unit=$2; |
if ( $responselist['-1']=~ /(.*[^\s])\s+([^\s]+)/ ) { |
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$responselist['-1']=$1; |
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$unit=$2; |
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} |
} |
} |
$result.="Final response :$responselist['-1']:<br />"; |
$result.="Final final response :$responselist['-1']:<br />"; |
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$result.=":$#list: answers<br />"; |
$unit=~s/\s//; |
$unit=~s/\s//; |
my $i=0; |
my $i=0; |
my $awards=''; |
my $awards=''; |
for ($i=0; $i<@list;$i++) { |
for ($i=0; $i<@list;$i++) { |
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$result.="trying answer :$list[$i]:<br />"; |
if ($unit eq '') { |
if ($unit eq '') { |
$aresult=&caparesponse_check($responselist[$i], |
$aresult=&caparesponse_check($responselist[$i], |
$expr.';my $answer='.$list[$i].';'); |
$expr.';my $answer=\''.$list[$i].'\';'); |
} else { |
} else { |
$aresult=&caparesponse_check($responselist[$i]." $unit", |
$aresult=&caparesponse_check($responselist[$i]." $unit", |
$expr.';my $answer='.$list[$i].';'); |
$expr.';my $answer=\''.$list[$i].'\';'); |
} |
} |
my ($temp)=split /:/, $aresult; |
my ($temp)=split /:/, $aresult; |
$awards.="$temp,"; |
$awards.="$temp,"; |
Line 136 sub web {
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Line 208 sub web {
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if ( $external::target eq "tex" ) { |
if ( $external::target eq "tex" ) { |
return @_[1]; |
return @_[1]; |
} else { |
} else { |
if ( $external::target eq "web") { |
if ( $external::target eq "web" || $external::target eq "answer") { |
return @_[2]; |
return @_[2]; |
} else { |
} else { |
return @_[0]; |
return @_[0]; |
Line 160 sub hinton {
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Line 232 sub hinton {
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sub random { |
sub random { |
my ($start,$end,$step)=@_; |
my ($start,$end,$step)=@_; |
if ( ! $RANDOMINIT ) { srand($external::randomseed); $RANDOMINIT=1; } |
if ( ! $hidden::RANDOMINIT ) { |
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srand($external::randomseed); |
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$hidden::RANDOMINIT=1; |
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} |
my $num=1+int(($end-$start)/$step); |
my $num=1+int(($end-$start)/$step); |
my $result=$start + int(rand() * $num)*$step; |
my $result=$start + int(rand() * $num)*$step; |
return $result; |
return $result; |
Line 239 sub random_noncentral_f {
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Line 314 sub random_noncentral_f {
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} |
} |
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sub random_multivariate_normal { |
sub random_multivariate_normal { |
my ($item_cnt,$seed,@mean) = @_; |
my ($item_cnt,$seed,$mean,$covar) = @_; |
return "Number of deviates must be greater than 0" if $item_cnt <= 0; |
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my (@covar,@retArray); |
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my $ind = 0; |
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while ($ind<$item_cnt) { |
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push @covar, pop (@mean); |
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$ind++; |
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} |
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&random_set_seed_from_phrase($seed); |
&random_set_seed_from_phrase($seed); |
@retArray=&math_random_multivariate_normal($item_cnt,@mean,@covar); |
@retArray=&math_random_multivariate_normal($item_cnt,@$mean,@$covar); |
return @retArray; |
return @retArray; |
} |
} |
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