version 1.164, 2014/06/16 16:52:50
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version 1.172, 2017/01/04 19:54:47
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Line 902 sub chemparse {
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Line 902 sub chemparse {
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my $formula = ''; |
my $formula = ''; |
foreach my $token (@tokens) { |
foreach my $token (@tokens) { |
if ($token eq '->' ) { |
if ($token eq '->' ) { |
$formula .= '<m>\ensuremath{\rightarrow}</m> '; |
if ($external::target eq 'web') { |
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$formula .= '→ '; |
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} else { |
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$formula .= '<m>\ensuremath{\rightarrow}</m> '; |
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} |
next; |
next; |
} |
} |
if ($token eq '<-' ) { |
if ($token eq '<-' ) { |
$formula .= '<m>\ensuremath{\leftarrow}</m> '; |
if ($external::target eq 'web') { |
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$formula .= '← '; |
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} else { |
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$formula .= '<m>\ensuremath{\leftarrow}</m> '; |
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} |
next; |
next; |
} |
} |
if ($token eq '<=>') { |
if ($token eq '<=>') { |
Line 1033 sub format_significant_figures {
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Line 1041 sub format_significant_figures {
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$number = abs($number); |
$number = abs($number); |
# needed to correct for a number greater than 1 (or |
# needed to correct for a number greater than 1 (or |
my $power = ($number < 1) ? 0 : 1; |
my $power = ($number < 1) ? 0 : 1; |
if ($power && $number =~ /^\d+$/) { |
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my $nonzeros = $number; |
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$nonzeros =~ s/0+$//; |
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if (length($number) - length($nonzeros) > 1) { |
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# convert to exponential form |
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my $n = $sig-1; |
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my $numSig = sprintf('%.' . $n . 'E', $number); |
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# return number with sign |
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return $sign.$numSig; |
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} |
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} |
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# could round up. Take the integer part of log10. |
# could round up. Take the integer part of log10. |
my $x10 = int(log($number)/log(10)); |
my $x10 = int(log($number)/log(10)); |
# find number with values left of decimal pt = # of sign figs. |
# find number with values left of decimal pt = # of sign figs. |
Line 1054 sub format_significant_figures {
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Line 1051 sub format_significant_figures {
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my ($zeros) = ($xint =~ /(0+)$/); |
my ($zeros) = ($xint =~ /(0+)$/); |
# return number to original magnitude |
# return number to original magnitude |
my $numSig = $xint*10**($x10-$sig+$power); |
my $numSig = $xint*10**($x10-$sig+$power); |
# insert trailing zero's if have decimal point |
if ($numSig =~ /^(\d+)\.(\d+)/) { |
$numSig =~ s/^(\d+)\.(\d+)(\e?(.*)?)$/$1\.$2$zeros$3/; |
# insert trailing zero's if have decimal point |
# put a decimal pt for number ending with 0 and length = # of sig fig |
my @digarray = split('',$1.$2); |
$numSig.='.' if (length($numSig) == $sig && $numSig =~ /0$/); |
my $sigcount; |
if (length($numSig) < $sig) { |
while (@digarray > 0) { |
$numSig.='.'.substr($zeros,0,($sig-length($numSig))); |
my $item = shift(@digarray); |
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if ($item) { |
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$sigcount = 1 + @digarray; |
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last; |
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} |
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} |
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if (($sigcount) && ($sig >= $sigcount)) { |
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$zeros = substr($zeros,0,($sig - $sigcount)); |
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} |
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$numSig =~ s/^(\d+)\.(\d+)(\e?(.*)?)$/$1\.$2$zeros$3/; |
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} else { |
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if ($numSig =~ /^(\d+)e([\+\-]\d+)$/i) { |
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my $pre_exp = $1; |
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my $exponent = $2; |
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$numSig = $pre_exp.'.'.$zeros.'E'.$exponent; |
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} elsif ($numSig =~ /0$/) { |
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# add decimal pt for number ending with 0 and length == # of sig figs |
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if (length($numSig) == $sig) { |
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$numSig.='.'; |
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} elsif (length($numSig) > $sig) { |
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# exponential form for number ending with 0 and length > # of sig figs |
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my $fmtsig = $sig-1; |
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if ($fmtsig) { |
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$numSig = sprintf('%.'.$fmtsig.'E',$numSig); |
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} |
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} elsif (length($numSig) < $sig) { |
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$numSig.='.'.substr($zeros,0,($sig-length($numSig))); |
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} |
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} else { |
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if (length($numSig) < $sig) { |
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$numSig.='.'.substr($zeros,0,($sig-length($numSig))); |
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} |
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} |
} |
} |
# return number with sign |
# return number with sign |
return $sign.$numSig; |
return $sign.$numSig; |
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} |
} |
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sub map { |
sub map { |
Line 1208 sub sec {
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Line 1236 sub sec {
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} |
} |
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sub submission { |
sub submission { |
my ($partid,$responseid,$subnumber,$encode)=@_; |
my ($partid,$responseid,$subnumber,$encode,$cleanupnum,$mapalias)=@_; |
my $sub=''; |
my $sub=''; |
if ($subnumber) { $sub=$subnumber.':'; } |
if ($subnumber) { $sub=$subnumber.':'; } |
my $output = |
my $output = |
&EXT('user.resource.'.$sub.'resource.'.$partid.'.'.$responseid.'.submission'); |
&EXT('user.resource.'.$sub.'resource.'.$partid.'.'.$responseid.'.submission',$mapalias); |
if ($encode) { |
if (ref($output) eq 'ARRAY') { |
$output =~ s/&/&/g; |
my @items = @{$output}; |
$output =~ s/</</g; |
if ($encode) { |
$output =~ s/>/>/g; |
@items = map { &encode_response($_); } @items; |
$output =~ s/"/"/g; |
} |
}; |
if (ref($cleanupnum) eq 'HASH') { |
return $output; |
@items = map { &cleanup_numerical_response($cleanupnum,$_); } @items; |
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} |
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return \@items; |
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} else { |
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if ($encode) { |
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$output = &encode_response($output); |
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} |
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if (ref($cleanupnum) eq 'HASH') { |
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$output = &cleanup_numerical_response($cleanupnum,$output); |
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} |
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return $output; |
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} |
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} |
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sub encode_response { |
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my ($value) = @_; |
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$value =~ s/&/&/g; |
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$value =~ s/</</g; |
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$value =~ s/>/>/g; |
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$value =~ s/"/"/g; |
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return $value; |
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} |
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sub cleanup_numerical_response { |
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my ($cleanupnum,$value) = @_; |
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if (ref($cleanupnum) eq 'HASH') { |
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if ($cleanupnum->{exponent}) { |
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if ($value =~ m{^(.*)[\*xX]\s*10\s*\^\s*(\+|\-)?\s*(\d+)(.*)$}) { |
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my $pre_exp = $1; |
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my $sign = $2; |
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my $exponent = $3; |
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my $post_exp = $4; |
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if ($pre_exp !~ /\./) { |
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$pre_exp .= '.'; |
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} |
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if ($sign eq '') { |
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$sign = '+'; |
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} |
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$value = $pre_exp.'E'.$sign.$exponent.$post_exp; |
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} |
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} |
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if ($cleanupnum->{comma}) { |
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$value =~ s{(\d+),(\d+)}{$1$2}; |
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} |
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if ($cleanupnum->{letterforzero}) { |
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$value =~ s/^\s*o(\.\d+)/0$1/i; |
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} |
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if ($cleanupnum->{spaces}) { |
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$value =~ s{^\s+|\s+$}{}g; |
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if ($value =~ m{^(.*)\.\s+(\d+)(.*)$}) { |
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my $pre_pt = $1; |
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my $decimal = $2; |
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my $post_dec = $3; |
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$value = $pre_pt.'.'.$decimal.$post_dec; |
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} |
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} |
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if ($cleanupnum->{format} =~ /^\d+s$/i) { |
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$value = &format_significant_figures($value,$cleanupnum->{format}); |
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} |
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} |
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return $value; |
} |
} |
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sub currentpart { |
sub currentpart { |
Line 1378 sub proper_path {
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Line 1466 sub proper_path {
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} |
} |
} |
} |
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sub input_id { |
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my ($part_id, $response_id, $textline_id) = @_; |
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return 'HWVAL_'.$part_id.'_'.$response_id.'_'.$textline_id; |
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} |
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