--- loncom/homework/default_homework.lcpm 2012/11/22 02:15:42 1.152.2.3
+++ loncom/homework/default_homework.lcpm 2019/04/03 22:46:30 1.172.2.1
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# used by lonxml::xmlparse() as input variable $safeinit to Apache::run::run()
#
-# $Id: default_homework.lcpm,v 1.152.2.3 2012/11/22 02:15:42 raeburn Exp $
+# $Id: default_homework.lcpm,v 1.172.2.1 2019/04/03 22:46:30 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -253,8 +253,6 @@ sub caparesponse_check {
elsif ($result =='15') { $result='UNIT_IRRECONCIBLE'; }
else {$result = "ERROR: Unknown Result:$result:$@:";}
-# &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 $result ");
return ($result,$reterror);
}
@@ -265,7 +263,7 @@ sub caparesponse_check_list {
my $type = $LONCAPA::CAPAresponse_args{'type'};
my $answerunit=$LONCAPA::CAPAresponse_args{'unit'};
&LONCAPA_INTERNAL_DEBUG("Got type :$type: answer unit :$answerunit:\n");
-
+
my $preprocess=$LONCAPA::CAPAresponse_args{'preprocess'};
$preprocess=~s/^\&//;
@@ -309,9 +307,10 @@ sub caparesponse_check_list {
my ($allowalgebra)=($LONCAPA::CAPAresponse_args{'allowalgebra'}=~/^(yes|1|on)$/i);
if ($type eq 'float' || $type eq '') {
#for numerical problems split off the unit
- my ($part1,$part2);
+ my $part1;
+ my $part2;
if ($allowalgebra) {
- ($part1,$part2)=($responses->[0][-1]=~ /^(.*[^\s])\s+([^\s]+)$/);
+ ($part1,$part2)=($responses->[0][-1]=~ /^(.*[^\s])\s+([^\s]+)$/);
} else {
($part1,$part2)=($responses->[0][-1]=~ /^([\d\.\,\s\$]*(?:(?:[xX\*]10[\^\*]*|[eE]*)[\+\-]*\d*)*(?:^|\S)\d+)([\$\s\w\^\*\/\(\)\+\-]*[^\d\.\s\,][\$\s\w\^\*\/\(\)\+\-]*)$/);
}
@@ -633,16 +632,29 @@ sub hinton {
sub random {
my ($start,$end,$step)=@_;
if ( ! $hidden::RANDOMINIT ) {
- if ($external::randomseed == 0) { $external::randomseed=1; }
- if ($external::randomseed =~/,/) {
- my ($num1,$num2)=split(/,/,$external::randomseed);
- &random_set_seed(1,abs($num1));
- } elsif ($external::randomseed =~/:/) {
- my ($num1,$num2)=split(/:/,$external::randomseed);
- &random_set_seed(abs($num1),abs($num2));
- } else {
- &random_set_seed(1,int(abs($external::randomseed)));
- }
+ if ($external::randomseed == 0) { $external::randomseed=1; }
+ if ($external::randomseed =~/,/) {
+ my ($num1,$num2) = map { abs($_); } split(/,/,$external::randomseed);
+ if ((!$num1) || ($num1 > 2147483398)) {
+ &random_set_seed_from_phrase($external::randomseed);
+ } else {
+ &random_set_seed(1,$num1);
+ }
+ } elsif ($external::randomseed =~/:/) {
+ my ($num1,$num2) = map { abs($_); } split(/:/,$external::randomseed);
+ if ((!$num1) || (!$num2) || ($num1 > 2147483562) || ($num2 > 2147483398)) {
+ &random_set_seed_from_phrase($external::randomseed);
+ } else {
+ &random_set_seed($num1,$num2);
+ }
+ } else {
+ my $num1 = int(abs($external::randomseed));
+ if ((!$num1) || ($num1 > 2147483398)) {
+ &random_set_seed_from_phrase($external::randomseed);
+ } else {
+ &random_set_seed(1,$num1);
+ }
+ }
&math_random_uniform();
$hidden::RANDOMINIT=1;
}
@@ -903,11 +915,19 @@ sub chemparse {
my $formula = '';
foreach my $token (@tokens) {
if ($token eq '->' ) {
- $formula .= '\ensuremath{\rightarrow} ';
+ if ($external::target eq 'web') {
+ $formula .= '→ ';
+ } else {
+ $formula .= '\ensuremath{\rightarrow} ';
+ }
next;
}
if ($token eq '<-' ) {
- $formula .= '\ensuremath{\leftarrow} ';
+ if ($external::target eq 'web') {
+ $formula .= '← ';
+ } else {
+ $formula .= '\ensuremath{\leftarrow} ';
+ }
next;
}
if ($token eq '<=>') {
@@ -1044,16 +1064,47 @@ sub format_significant_figures {
my ($zeros) = ($xint =~ /(0+)$/);
# return number to original magnitude
my $numSig = $xint*10**($x10-$sig+$power);
- # insert trailing zero's if have decimal point
- $numSig =~ s/^(\d+)\.(\d+)(\e?(.*)?)$/$1\.$2$zeros$3/;
- # put a decimal pt for number ending with 0 and length = # of sig fig
- $numSig.='.' if (length($numSig) == $sig && $numSig =~ /0$/);
- if (length($numSig) < $sig) {
- $numSig.='.'.substr($zeros,0,($sig-length($numSig)));
+ if ($numSig =~ /^(\d+)\.(\d+)/) {
+ # insert trailing zero's if have decimal point
+ my @digarray = split('',$1.$2);
+ my $sigcount;
+ while (@digarray > 0) {
+ my $item = shift(@digarray);
+ if ($item) {
+ $sigcount = 1 + @digarray;
+ last;
+ }
+ }
+ if (($sigcount) && ($sig >= $sigcount)) {
+ $zeros = substr($zeros,0,($sig - $sigcount));
+ }
+ $numSig =~ s/^(\d+)\.(\d+)(\e?(.*)?)$/$1\.$2$zeros$3/;
+ } else {
+ if ($numSig =~ /^(\d+)e([\+\-]\d+)$/i) {
+ my $pre_exp = $1;
+ my $exponent = $2;
+ $numSig = $pre_exp.'.'.$zeros.'E'.$exponent;
+ } elsif ($numSig =~ /0$/) {
+ # add decimal pt for number ending with 0 and length == # of sig figs
+ if (length($numSig) == $sig) {
+ $numSig.='.';
+ } elsif (length($numSig) > $sig) {
+ # exponential form for number ending with 0 and length > # of sig figs
+ my $fmtsig = $sig-1;
+ if ($fmtsig) {
+ $numSig = sprintf('%.'.$fmtsig.'E',$numSig);
+ }
+ } elsif (length($numSig) < $sig) {
+ $numSig.='.'.substr($zeros,0,($sig-length($numSig)));
+ }
+ } else {
+ if (length($numSig) < $sig) {
+ $numSig.='.'.substr($zeros,0,($sig-length($numSig)));
+ }
+ }
}
# return number with sign
return $sign.$numSig;
-
}
sub map {
@@ -1184,7 +1235,7 @@ sub middlename {
$middlename = '' if $middlename eq "";
return $middlename;
}
-
+
sub lastname {
my $lastname = &EXT('environment.lastname');
$lastname = '' if $lastname eq "";
@@ -1198,10 +1249,78 @@ sub sec {
}
sub submission {
- my ($partid,$responseid,$subnumber)=@_;
+ my ($partid,$responseid,$subnumber,$encode,$cleanupnum,$mapalias)=@_;
my $sub='';
if ($subnumber) { $sub=$subnumber.':'; }
- return &EXT('user.resource.'.$sub.'resource.'.$partid.'.'.$responseid.'.submission');
+ my $output =
+ &EXT('user.resource.'.$sub.'resource.'.$partid.'.'.$responseid.'.submission',$mapalias);
+ if (ref($output) eq 'ARRAY') {
+ my @items = @{$output};
+ if ($encode) {
+ @items = map { &encode_response($_); } @items;
+ }
+ if (ref($cleanupnum) eq 'HASH') {
+ @items = map { &cleanup_numerical_response($cleanupnum,$_); } @items;
+ }
+ return \@items;
+ } else {
+ if ($encode) {
+ $output = &encode_response($output);
+ }
+ if (ref($cleanupnum) eq 'HASH') {
+ $output = &cleanup_numerical_response($cleanupnum,$output);
+ }
+ return $output;
+ }
+}
+
+sub encode_response {
+ my ($value) = @_;
+ $value =~ s/&/&/g;
+ $value =~ s/</g;
+ $value =~ s/>/>/g;
+ $value =~ s/"/"/g;
+ return $value;
+}
+
+sub cleanup_numerical_response {
+ my ($cleanupnum,$value) = @_;
+ if (ref($cleanupnum) eq 'HASH') {
+ if ($cleanupnum->{exponent}) {
+ if ($value =~ m{^(.*)[\*xX]\s*10\s*\^\s*(\+|\-)?\s*(\d+)(.*)$}) {
+ my $pre_exp = $1;
+ my $sign = $2;
+ my $exponent = $3;
+ my $post_exp = $4;
+ if ($pre_exp !~ /\./) {
+ $pre_exp .= '.';
+ }
+ if ($sign eq '') {
+ $sign = '+';
+ }
+ $value = $pre_exp.'E'.$sign.$exponent.$post_exp;
+ }
+ }
+ if ($cleanupnum->{comma}) {
+ $value =~ s{(\d+),(\d+)}{$1$2};
+ }
+ if ($cleanupnum->{letterforzero}) {
+ $value =~ s/^\s*o(\.\d+)/0$1/i;
+ }
+ if ($cleanupnum->{spaces}) {
+ $value =~ s{^\s+|\s+$}{}g;
+ if ($value =~ m{^(.*)\.\s+(\d+)(.*)$}) {
+ my $pre_pt = $1;
+ my $decimal = $2;
+ my $post_dec = $3;
+ $value = $pre_pt.'.'.$decimal.$post_dec;
+ }
+ }
+ if ($cleanupnum->{format} =~ /^\d+s$/i) {
+ $value = &format_significant_figures($value,$cleanupnum->{format});
+ }
+ }
+ return $value;
}
sub currentpart {
@@ -1360,3 +1479,8 @@ sub proper_path {
}
}
+sub input_id {
+ my ($part_id, $response_id, $textline_id) = @_;
+ return 'HWVAL_'.$part_id.'_'.$response_id.'_'.$textline_id;
+}
+