version 1.136, 2008/06/12 00:46:52
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version 1.156, 2011/06/07 22:07:09
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Line 217 sub caparesponse_check {
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Line 217 sub caparesponse_check {
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my $reterror=""; |
my $reterror=""; |
my $result; |
my $result; |
if ((($type eq '9') || ($type eq '8')) && ($response=~/\=/)) { return ('BAD_FORMULA','Please submit just an expression, not an equation.'); } |
if (($type eq '9') || ($type eq '8')) { |
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if ($response=~/\=/) { |
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return ('BAD_FORMULA','Please submit just an expression, not an equation.'); |
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} elsif ($response =~ /\,/ and $response !~ /^\s*\{.*\}\s*$/) { |
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return ('BAD_FORMULA'); |
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} |
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} |
if ($type eq '9') { |
if ($type eq '9') { |
$result = &maxima_check(&maxima_cas_formula_fix($response),&maxima_cas_formula_fix($answer),\$reterror); |
$result = &maxima_check(&maxima_cas_formula_fix($response),&maxima_cas_formula_fix($answer),\$reterror); |
} else { |
} else { |
Line 254 sub caparesponse_check {
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Line 260 sub caparesponse_check {
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&LONCAPA_INTERNAL_DEBUG("RetError $reterror: Answer $answer: Response $response: type-$type|$tol|$tol_type|$sig:$sig_lbound:$sig_ubound|$unit|"); |
&LONCAPA_INTERNAL_DEBUG("RetError $reterror: Answer $answer: Response $response: type-$type|$tol|$tol_type|$sig:$sig_lbound:$sig_ubound|$unit|"); |
&LONCAPA_INTERNAL_DEBUG(" $answer $response $result "); |
&LONCAPA_INTERNAL_DEBUG(" $answer $response $result "); |
return ($result,$reterror) |
return ($result,$reterror); |
} |
} |
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Line 303 sub caparesponse_check_list {
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Line 309 sub caparesponse_check_list {
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&LONCAPA_INTERNAL_DEBUG("Initial final response :$responses->[0][-1]:"); |
&LONCAPA_INTERNAL_DEBUG("Initial final response :$responses->[0][-1]:"); |
my $unit; |
my $unit; |
if ($type eq '' || $type eq 'float') { |
my ($allowalgebra)=(¶meter_setting('allowalgebra',¤tpart())=~/^(yes|1|on)$/i); |
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if ($type eq 'float' || $type eq '') { |
#for numerical problems split off the unit |
#for numerical problems split off the unit |
# if ( $responses->[0][-1]=~ /(.*[^\s])\s+([^\s]+)/ ) { |
my $part1; |
if ( $responses->[0][-1]=~ /^([\d\.\,\s\$]*(?:(?:[xX\*]10[\^\*]*|[eE]*)[\+\-]*\d*)*(?:^|\S)\d+)([\$\s\w\^\*\/\(\)\+\-]*[^\d\.\s\,][\$\s\w\^\*\/\(\)\+\-]*)$/ ) { |
my $part2; |
$responses->[0][-1]=$1; |
if ($allowalgebra) { |
$unit=&capa_formula_fix($2); |
($part1,$part2)=($responses->[0][-1]=~ /^(.*[^\s])\s+([^\s]+)$/); |
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} else { |
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($part1,$part2)=($responses->[0][-1]=~ /^([\d\.\,\s\$]*(?:(?:[xX\*]10[\^\*]*|[eE]*)[\+\-]*\d*)*(?:^|\S)\d+)([\$\s\w\^\*\/\(\)\+\-]*[^\d\.\s\,][\$\s\w\^\*\/\(\)\+\-]*)$/); |
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} |
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if ($part1 && $part2) { |
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$responses->[0][-1]=$part1; |
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$unit=&capa_formula_fix($part2); |
&LONCAPA_INTERNAL_DEBUG("Found unit :$unit:"); |
&LONCAPA_INTERNAL_DEBUG("Found unit :$unit:"); |
} |
} |
} |
} |
&LONCAPA_INTERNAL_DEBUG("Final final response :$responses->[0][-1]:$unit:"); |
&LONCAPA_INTERNAL_DEBUG("Final final response :$responses->[0][-1]:$unit:"); |
$unit=~s/\s//; |
$unit=~s/\s//; |
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my $error; |
foreach my $response (@$responses) { |
foreach my $response (@$responses) { |
foreach my $element (@$response) { |
foreach my $element (@$response) { |
$element =~ s/\s//g; |
if (($type eq 'float') || (($type eq '') && ($unit ne ''))) { |
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$element =~ s/\s//g; |
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} |
my $appendunit=$unit; |
my $appendunit=$unit; |
if ($unit=~/\%/) { |
# Deal with percentages |
$element=$element/100; |
# unit is unit entered by student, answerunit is unit by author |
$appendunit=~s/\%//; |
# Deprecated: divide answer by 100 if student entered percent, |
} |
# but author did not. Too much confusion |
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# if (($unit=~/\%/) && ($answerunit ne '%')) { |
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# $element=$element/100; |
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# $appendunit=~s/\%//; |
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# } |
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# Author entered percent, student did not |
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if (($unit!~/\%/) && ($answerunit=~/\%/)) { |
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$element=$element*100; |
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$appendunit='%'.$appendunit; |
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} |
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# Zero does not need a dimension |
if (($element==0) && ($unit!~/\w/) && ($answerunit=~/\w/)) { |
if (($element==0) && ($unit!~/\w/) && ($answerunit=~/\w/)) { |
$appendunit=$answerunit; |
$appendunit=$answerunit; |
} |
} |
$element .= " $appendunit"; |
# Do the math for the student if allowed |
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if ($allowalgebra) { |
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$element=&cas('maxima',$element); |
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} |
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if ($appendunit ne '') { |
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$element .= " $appendunit"; |
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} |
&LONCAPA_INTERNAL_DEBUG("Made response element :$element:"); |
&LONCAPA_INTERNAL_DEBUG("Made response element :$element:"); |
} |
} |
} |
} |
Line 336 sub caparesponse_check_list {
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Line 368 sub caparesponse_check_list {
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} |
} |
} |
} |
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my $allow_control_char = 0; |
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my $control_chars_removed = 0; |
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my $ansstring; |
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if ($type eq 'cs' || $type eq 'ci') { |
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if (ref($LONCAPA::CAPAresponse_answer->{'answers'}) eq 'ARRAY') { |
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foreach my $strans (@{$LONCAPA::CAPAresponse_answer->{'answers'}}) { |
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if (ref($strans) eq 'ARRAY') { |
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$ansstring = join("\0",@{$strans}); |
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foreach my $item (@{$strans}) { |
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if ($item =~ /[\000-\037]/) { |
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$allow_control_char = 1; |
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} |
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} |
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} |
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} |
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} |
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} |
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# &LONCAPA_INTERNAL_DEBUG(&LONCAPA_INTERNAL_Dumper($responses)); |
# &LONCAPA_INTERNAL_DEBUG(&LONCAPA_INTERNAL_Dumper($responses)); |
my %memoized; |
my %memoized; |
Line 345 sub caparesponse_check_list {
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Line 394 sub caparesponse_check_list {
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my $response = $responses->[$i]; |
my $response = $responses->[$i]; |
my $key = "$answer\0$response"; |
my $key = "$answer\0$response"; |
my (@awards,@msgs); |
my (@awards,@msgs); |
for (my $j=0; $j<scalar(@$response); $j++) { |
for (my $j=0; $j<scalar(@$response); $j++) { |
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if ($type eq 'cs' || $type eq 'ci') { |
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unless ($allow_control_char) { |
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if ($response->[$j] =~ /[\000-\037]/) { |
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$response->[$j] =~ s/[\000-\037]//g; |
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$control_chars_removed = 1; |
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} |
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} |
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} |
my ($award,$msg) = &caparesponse_check($answer->[$j], |
my ($award,$msg) = &caparesponse_check($answer->[$j], |
$response->[$j]); |
$response->[$j]); |
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if ($type eq 'cs' || $type eq 'ci') { |
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$error = &verify_stringresponse($type,$award,$response->[$j], |
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$answer->[$j]); |
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} |
push(@awards,$award); |
push(@awards,$award); |
push(@msgs, $msg); |
push(@msgs, $msg); |
} |
} |
Line 372 sub caparesponse_check_list {
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Line 433 sub caparesponse_check_list {
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} else { |
} else { |
my (@awards,@msgs); |
my (@awards,@msgs); |
for (my $j=0; $j<scalar(@$response); $j++) { |
for (my $j=0; $j<scalar(@$response); $j++) { |
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if ($type eq 'cs' || $type eq 'ci') { |
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unless ($allow_control_char) { |
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if ($response->[$j] =~ /[\000-\037]/) { |
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$response->[$j] =~ s/[\000-\037]//g; |
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$control_chars_removed = 1; |
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} |
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} |
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} |
my ($award,$msg) = &caparesponse_check($answer->[$j], |
my ($award,$msg) = &caparesponse_check($answer->[$j], |
$response->[$j]); |
$response->[$j]); |
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if ($type eq 'cs' || $type eq 'ci') { |
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$error = &verify_stringresponse($type,$award,$response->[$j], |
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$answer->[$j]); |
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} |
push(@awards,$award); |
push(@awards,$award); |
push(@msgs, $msg); |
push(@msgs, $msg); |
} |
} |
Line 420 sub caparesponse_check_list {
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Line 493 sub caparesponse_check_list {
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&LONCAPA_INTERNAL_DEBUG(" all final_awards ".join(':',@final_awards)); |
&LONCAPA_INTERNAL_DEBUG(" all final_awards ".join(':',@final_awards)); |
my ($final_award,$final_msg) = |
my ($final_award,$final_msg) = |
&LONCAPA_INTERNAL_FINALIZEAWARDS(\@final_awards,\@final_msg,undef,1); |
&LONCAPA_INTERNAL_FINALIZEAWARDS(\@final_awards,\@final_msg,undef,1); |
return ($final_award,$final_msg); |
return ($final_award,$final_msg,$error,$control_chars_removed,$ansstring); |
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} |
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sub verify_stringresponse { |
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my ($type,$award,$resp,$ans) = @_; |
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return if ($award eq 'EXACT_ANS'); |
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my $error; |
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if ($resp =~ /^\s|\s$/) { |
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$resp =~ s{^\s+|\s+$}{}g; |
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} |
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if ($ans =~ /^\s|\s$/) { |
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$ans =~ s{^\s+|\s+$}{}g; |
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} |
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if ($type eq 'ci') { |
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$resp = lc($resp); |
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$ans = lc($ans); |
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} |
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if ($resp eq $ans) { |
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if ($award eq 'INCORRECT') { |
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$error = 'MISGRADED'; |
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} |
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} |
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return $error; |
} |
} |
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sub cas { |
sub cas { |
my ($system,$input)=@_; |
my ($system,$input,$library)=@_; |
my $output; |
my $output; |
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my $dump; |
if ($system eq 'maxima') { |
if ($system eq 'maxima') { |
$output=&maxima_eval($input); |
$output=&maxima_eval($input,$library); |
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} elsif ($system eq 'R') { |
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($output,$dump)=&r_eval($input,$library,0); |
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} else { |
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$output='Error: unrecognized CAS'; |
} |
} |
return $output; |
return $output; |
} |
} |
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sub cas_hashref { |
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my ($system,$input,$library)=@_; |
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if ($system eq 'maxima') { |
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return 'Error: unsupported CAS'; |
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} elsif ($system eq 'R') { |
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return &r_eval($input,$library,1); |
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} else { |
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return 'Error: unrecognized CAS'; |
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} |
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} |
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# |
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# cas_hashref_entry takes a list of indices and gets the entry in a hash generated by Rreturn. |
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# Call: cas_hashref_entry(Rvalue, index1, index2, ...) where Rvalue is a hash returned by Rreturn. |
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# Rentry will return the first scalar value it encounters (ignoring excess indices). |
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# If an invalid key is given, it returns undef. |
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# |
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sub cas_hashref_entry { |
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return &Rentry(@_); |
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} |
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# |
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# cas_hashref_array takes a list of indices and gets a column array from a hash generated by Rreturn. |
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# Call: cas_hashref_array(Rvalue, index1, index2, ...) where Rvalue is a hash returned by Rreturn. |
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# If an invalid key is given, it returns undef. |
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# |
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sub cas_hashref_array { |
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return &Rarray(@_); |
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} |
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sub tex { |
sub tex { |
if ( $external::target eq "tex" ) { |
if ( $external::target eq "tex" ) { |
return $_[0]; |
return $_[0]; |
Line 1006 sub class {
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Line 1136 sub class {
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return $course; |
return $course; |
} |
} |
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sub classid { |
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my $courseid = &EXT('request.course.id'); |
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$courseid = '' if $courseid eq ""; |
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return $courseid; |
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} |
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sub firstname { |
sub firstname { |
my $firstname = &EXT('environment.firstname'); |
my $firstname = &EXT('environment.firstname'); |
$firstname = '' if $firstname eq ""; |
$firstname = '' if $firstname eq ""; |
return $firstname; |
return $firstname; |
} |
} |
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sub middlename { |
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my $middlename = &EXT('environment.middlename'); |
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$middlename = '' if $middlename eq ""; |
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return $middlename; |
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} |
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sub lastname { |
sub lastname { |
my $lastname = &EXT('environment.lastname'); |
my $lastname = &EXT('environment.lastname'); |
Line 1077 sub answer_date_epoch {
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Line 1220 sub answer_date_epoch {
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return &EXT('resource.'.$partid.'.answerdate'); |
return &EXT('resource.'.$partid.'.answerdate'); |
} |
} |
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sub parameter_setting { |
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my ($which,$partid)=@_; |
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unless ($partid) { $partid=0; } |
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return &EXT('resource.'.$partid.'.'.$which); |
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} |
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sub stored_data { |
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my ($which,$partid)=@_; |
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unless ($partid) { $partid=0; } |
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return &EXT('user.resource.resource.'.$partid.'.'.$which); |
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} |
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sub wrong_bubbles { |
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my ($correct,$lower,$upper,$step,@given)=@_; |
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my @array=(); |
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my %hash=(); |
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foreach my $new (@given) { |
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$hash{$new}=1; |
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} |
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my $num=int(¶meter_setting('numbubbles',¤tpart())); |
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unless ($num) { $num=8; } |
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if ($num>1) { |
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for (my $i=0;$i<=500;$i++) { |
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my $new=&random($lower,$upper,$step); |
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if ($hash{$new}) { next; } |
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if (abs($new-$correct)<$step) { next; } |
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$hash{$new}=1; |
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@array=keys(%hash); |
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if ($#array+2>=$num) { last; } |
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} |
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} |
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return @array; |
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} |
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sub array_moments { |
sub array_moments { |
my @input=@_; |
my @input=@_; |
my (@output,$N); |
my (@output,$N); |