version 1.51, 2002/09/26 20:45:00
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version 1.59, 2003/03/25 23:00:18
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Line 57 sub caparesponse_check {
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Line 57 sub caparesponse_check {
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#remove leading and trailing whitespace |
#remove leading and trailing whitespace |
if ($response=~ /^\s|\s$/) { |
if ($response=~ /^\s|\s$/) { |
$response=~ s:^\s+|\s+$::g; |
$response=~ s:^\s+|\s+$::g; |
$message .="Removed ws now :$response:<br />"; |
$message .="Removed ws now :$response:\n"; |
} else { |
} else { |
$message .="no ws in :$response:<br />"; |
$message .="no ws in :$response:\n"; |
} |
} |
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if ($type eq '' ) { |
if ($type eq '' ) { |
$message .= "Didn't find a type :$type:$expr: defaulting<br />"; |
$message .= "Didn't find a type :$type:$expr: defaulting\n"; |
if ( $answer eq ($answer *1.0)) { $type = 2; |
if ( $answer eq ($answer *1.0)) { $type = 2; |
} else { $type = 3; } |
} else { $type = 3; } |
} else { |
} else { |
Line 82 sub caparesponse_check {
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Line 82 sub caparesponse_check {
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#formula type setup the sample points |
#formula type setup the sample points |
if ($type eq '8') { |
if ($type eq '8') { |
($id_list,$points)=split(/@/,$samples); |
($id_list,$points)=split(/@/,$samples); |
$message.="Found :$points: points<br />"; |
$message.="Found :$points: points\n"; |
} |
} |
if ($tol eq '') { |
if ($tol eq '') { |
$tol=0.0; |
$tol=0.0; |
Line 101 sub caparesponse_check {
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Line 101 sub caparesponse_check {
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$sig_ubound =15; #SIG_UB_DEFAULT |
$sig_ubound =15; #SIG_UB_DEFAULT |
} else { |
} else { |
($sig_lbound,$sig_ubound) = split /,/,$sig; |
($sig_lbound,$sig_ubound) = split /,/,$sig; |
if (!$sig_lbound) { |
if (!defined($sig_lbound)) { |
$sig_lbound = 0; #SIG_LB_DEFAULT |
$sig_lbound = 0; #SIG_LB_DEFAULT |
$sig_ubound =15; #SIG_UB_DEFAULT |
$sig_ubound =15; #SIG_UB_DEFAULT |
} |
} |
if (!$sig_ubound) { $sig_ubound=$sig_lbound; } |
if (!defined($sig_ubound)) { $sig_ubound=$sig_lbound; } |
} |
} |
my $result = &caparesponse_capa_check_answer($response,$answer,$type, |
my $result = &caparesponse_capa_check_answer($response,$answer,$type, |
$tol_type,$tol, |
$tol_type,$tol, |
Line 127 sub caparesponse_check {
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Line 127 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 $response:<br /> type-$type|$tol|$tol_type|$sig:$sig_lbound:$sig_ubound|$unit|<br />$message$expr"; |
return "$result:\nError $error:\nAnswer $answer:\nResponse $response:\n type-$type|$tol|$tol_type|$sig:$sig_lbound:$sig_ubound|$unit|\n$message$expr"; |
} |
} |
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sub get_array_args { |
sub get_array_args { |
Line 140 sub get_array_args {
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Line 140 sub get_array_args {
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if ($CAPARESPONSE_CHECK_LIST_answer =~ /^\s*[\$\@]/) { |
if ($CAPARESPONSE_CHECK_LIST_answer =~ /^\s*[\$\@]/) { |
(@GET_ARRAY_ARGS_list) = eval $CAPARESPONSE_CHECK_LIST_answer; |
(@GET_ARRAY_ARGS_list) = eval $CAPARESPONSE_CHECK_LIST_answer; |
} |
} |
$GET_ARRAY_ARGS_result.="error:$@:<br />"; |
$GET_ARRAY_ARGS_result.="error:$@:\n"; |
# if the eval fails just use what is in the answer exactly |
# if the eval fails just use what is in the answer exactly |
if (!defined(@GET_ARRAY_ARGS_list) || !defined($GET_ARRAY_ARGS_list[0])) { |
if (!defined(@GET_ARRAY_ARGS_list) || !defined($GET_ARRAY_ARGS_list[0])) { |
$GET_ARRAY_ARGS_result.="list zero is undefined<br />"; |
$GET_ARRAY_ARGS_result.="list zero is undefined\n"; |
$GET_ARRAY_ARGS_list[0]=$CAPARESPONSE_CHECK_LIST_answer; |
$GET_ARRAY_ARGS_list[0]=$CAPARESPONSE_CHECK_LIST_answer; |
} |
} |
return $GET_ARRAY_ARGS_result,@GET_ARRAY_ARGS_list; |
return $GET_ARRAY_ARGS_result,@GET_ARRAY_ARGS_list; |
Line 152 sub get_array_args {
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Line 152 sub get_array_args {
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sub caparesponse_check_list { |
sub caparesponse_check_list { |
my ($response,$expr)=@_; |
my ($response,$expr)=@_; |
my $result; |
my $result; |
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$expr =~ s/\\/\\\\/g; |
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$expr =~ s/\'/\\\'/g; |
my ($result,@list) = &get_array_args($expr,'answer'); |
my ($result,@list) = &get_array_args($expr,'answer'); |
my $aresult=''; |
my $aresult=''; |
my $current_answer; |
my $current_answer; |
my $answers=join(':',@list); |
my $answers=join(':',@list); |
$result.="Got response :$answers:<br />"; |
$result.="Got response :$answers:\n"; |
my @responselist; |
my @responselist; |
my $type =eval $expr.';return $answer;'; |
my $type =eval $expr.';return $answer;'; |
if ($type ne '' && $#list > 0) { |
if ($type ne '' && $#list > 0) { |
Line 165 sub caparesponse_check_list {
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Line 167 sub caparesponse_check_list {
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(@responselist)=($response); |
(@responselist)=($response); |
} |
} |
my $unit=''; |
my $unit=''; |
$result.="Initial final response :$responselist['-1']:<br />"; |
$result.="Initial final response :$responselist['-1']:\n"; |
if ($type eq '') { |
if ($type eq '') { |
#for numerical problems split off the unit |
#for numerical problems split off the unit |
if ( $responselist['-1']=~ /(.*[^\s])\s+([^\s]+)/ ) { |
if ( $responselist['-1']=~ /(.*[^\s])\s+([^\s]+)/ ) { |
Line 173 sub caparesponse_check_list {
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Line 175 sub caparesponse_check_list {
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$unit=$2; |
$unit=$2; |
} |
} |
} |
} |
$result.="Final final response :$responselist['-1']:<br />"; |
$result.="Final final response :$responselist['-1']:\n"; |
$result.=":$#list: answers<br />"; |
$result.=":$#list: answers\n"; |
$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++) { |
$result.="trying answer :$list[$i]:<br />"; |
$result.="trying answer :$list[$i]:\n"; |
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my $thisanswer=$list[$i]; |
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$thisanswer=~ s/\\/\\\\/g; |
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$thisanswer =~ s/\'/\\\'/g; |
if ($unit eq '') { |
if ($unit eq '') { |
$aresult=&caparesponse_check($responselist[$i], |
$aresult=&caparesponse_check($responselist[$i], |
$expr.';my $answer=\''.$list[$i].'\';'); |
$expr.';my $answer=\''.$thisanswer.'\';'); |
} else { |
} else { |
$aresult=&caparesponse_check($responselist[$i]." $unit", |
$aresult=&caparesponse_check($responselist[$i]." $unit", |
$expr.';my $answer=\''.$list[$i].'\';'); |
$expr.';my $answer=\''.$thisanswer.'\';'); |
} |
} |
my ($temp)=split /:/, $aresult; |
my ($temp)=split /:/, $aresult; |
$awards.="$temp,"; |
$awards.="$temp,"; |
$result.=$aresult; |
$result.=$aresult; |
} |
} |
chop $awards; |
chop $awards; |
return "$awards:<br />$result"; |
return "$awards:\n$result"; |
} |
} |
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sub tex { |
sub tex { |
if ( $external::target eq "tex" ) { |
if ( $external::target eq "tex" ) { |
return @_[0]; |
return $_[0]; |
} else { |
} else { |
return @_[1]; |
return $_[1]; |
} |
} |
} |
} |
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sub var_in_tex { |
sub var_in_tex { |
if ( $external::target eq "tex" ) { |
if ( $external::target eq "tex" ) { |
return @_[0]; |
return $_[0]; |
} else { |
} else { |
return ""; |
return ""; |
} |
} |
Line 213 sub var_in_tex {
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Line 218 sub var_in_tex {
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sub web { |
sub web { |
if ( $external::target eq "tex" ) { |
if ( $external::target eq "tex" ) { |
return @_[1]; |
return $_[1]; |
} else { |
} else { |
if ( $external::target eq "web" || $external::target eq "answer") { |
if ( $external::target eq "web" || $external::target eq "answer") { |
return @_[2]; |
return $_[2]; |
} else { |
} else { |
return @_[0]; |
return $_[0]; |
} |
} |
} |
} |
} |
} |
Line 229 sub html {
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Line 234 sub html {
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} |
} |
} |
} |
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sub problem { |
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return '1'; |
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} |
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sub hinton { |
sub hinton { |
return 0; |
return 0; |
} |
} |
Line 240 sub hinton {
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Line 241 sub hinton {
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sub random { |
sub random { |
my ($start,$end,$step)=@_; |
my ($start,$end,$step)=@_; |
if ( ! $hidden::RANDOMINIT ) { |
if ( ! $hidden::RANDOMINIT ) { |
&random_set_seed_from_phrase($external::randomseed); |
if ($external::randomseed == 0) { $external::randomseed=1; } |
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&random_set_seed(1,int(abs($external::randomseed))); |
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&math_random_uniform(); |
$hidden::RANDOMINIT=1; |
$hidden::RANDOMINIT=1; |
} |
} |
if (!defined($step)) { $step=1; } |
if (!defined($step)) { $step=1; } |
Line 417 sub log { log(shift) }
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Line 420 sub log { log(shift) }
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sub atan2 { atan2($_[0],$_[1]) } |
sub atan2 { atan2($_[0],$_[1]) } |
sub sqrt { sqrt(shift) } |
sub sqrt { sqrt(shift) } |
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sub tan { sin($_[0]) / cos($_[0]) } |
sub tan { CORE::sin($_[0]) / CORE::cos($_[0]) } |
#sub atan { atan2($_[0], 1); } |
#sub atan { atan2($_[0], 1); } |
#sub acos { atan2(sqrt(1 - $_[0] * $_[0]), $_[0] ); } |
#sub acos { atan2(sqrt(1 - $_[0] * $_[0]), $_[0] ); } |
#sub asin { atan2($_[0], sqrt(1- $_[0] * $_[0]) ); } |
#sub asin { atan2($_[0], sqrt(1- $_[0] * $_[0]) ); } |
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sub log10 { log($_[0])/log(10); } |
sub log10 { CORE::log($_[0])/CORE::log(10); } |
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sub factorial { |
sub factorial { |
my $input = int(shift); |
my $input = CORE::int(shift); |
return "Error - unable to take factorial of an negative number ($input)" if $input < 0; |
return "Error - unable to take factorial of an negative number ($input)" if $input < 0; |
return "Error - factorial result is greater than system limit ($input)" if $input > 170; |
return "Error - factorial result is greater than system limit ($input)" if $input > 170; |
return 1 if $input == 0; |
return 1 if $input == 0; |
Line 468 sub sub_string {
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Line 471 sub sub_string {
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} |
} |
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sub pow {return $_[0] ** $_[1]; } |
sub pow {return $_[0] ** $_[1]; } |
sub ceil {return (($_[0]-int($_[0]))== 0.0) ? $_[0] : (($_[0] > 0) ? (int($_[0])+ 1) : int($_[0])); } |
sub ceil {return (($_[0]-CORE::int($_[0]))== 0.0) ? $_[0] : (($_[0] > 0) ? (CORE::int($_[0])+ 1) : CORE::int($_[0])); } |
sub floor {return (($_[0]-int($_[0]))== 0.0) ? $_[0] : (($_[0] > 0) ? int($_[0]) : (int($_[0])-1)); } |
sub floor {return (($_[0]-CORE::int($_[0]))== 0.0) ? $_[0] : (($_[0] > 0) ? CORE::int($_[0]) : (CORE::int($_[0])-1)); } |
#sub floor {return int($_[0]); } |
#sub floor {return int($_[0]); } |
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sub format { |
sub format { |
Line 565 sub map {
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Line 568 sub map {
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} |
} |
} |
} |
} |
} |
&random_set_seed(@seed); |
&random_set_seed(@oldseed); |
return ''; |
return ''; |
} |
} |
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Line 712 sub array_moments {
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Line 715 sub array_moments {
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$kurt+=$x**4; |
$kurt+=$x**4; |
} |
} |
$output[2]=$var/($N-1); |
$output[2]=$var/($N-1); |
$sdev=sqrt($output[2]); |
$sdev=CORE::sqrt($output[2]); |
if ($sdev == 0) { |
if ($sdev == 0) { |
$output[3]="inf-variance=0"; |
$output[3]="inf-variance=0"; |
$output[4]="inf-variance=0"; |
$output[4]="inf-variance=0"; |