version 1.140, 2008/09/13 02:08:32
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version 1.152.2.1, 2011/08/03 03:37:23
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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($answer),\$reterror); |
} else { |
} else { |
Line 314 sub caparesponse_check_list {
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Line 320 sub caparesponse_check_list {
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} |
} |
&LONCAPA_INTERNAL_DEBUG("Final final response :$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) { |
if (($type eq 'float') || (($type eq '') && ($unit ne ''))) { |
if (($type eq 'float') || (($type eq '') && ($unit ne ''))) { |
$element =~ s/\s//g; |
$element =~ s/\s//g; |
} |
} |
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 |
$appendunit=~s/\%//; |
# Deprecated: divide answer by 100 if student entered percent, |
} |
# but author did not. Too much confusion |
if (($element==0) && ($unit!~/\w/) && ($answerunit=~/\w/)) { |
# 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='%'.$appendunit; |
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} |
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# Zero does not need a dimension |
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if (($element =~ /^[0\.]+$/) && ($unit!~/\w/) && ($answerunit=~/\w/)) { |
$appendunit=$answerunit; |
$appendunit=$answerunit; |
} |
} |
$element .= " $appendunit"; |
if ($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 338 sub caparesponse_check_list {
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Line 357 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 347 sub caparesponse_check_list {
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Line 383 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 374 sub caparesponse_check_list {
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Line 422 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, $msg); |
} |
} |
Line 422 sub caparesponse_check_list {
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Line 482 sub caparesponse_check_list {
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&LONCAPA_INTERNAL_DEBUG(" all final_awards ".join(':',@final_awards)); |
&LONCAPA_INTERNAL_DEBUG(" all final_awards ".join(':',@final_awards)); |
my ($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,$input,$library)=@_; |
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,$library); |
$output=&maxima_eval($input,$library); |
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} elsif ($system eq 'R') { |
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($output,$dump)=&r_eval($input,$library,0); |
} else { |
} else { |
$output='Error: unrecognized CAS'; |
$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]; |