version 1.74, 2004/03/16 19:47:47
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version 1.96, 2005/03/29 17:57:51
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Line 26
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Line 26
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# http://www.lon-capa.org/ |
# http://www.lon-capa.org/ |
# |
# |
# |
# |
# Guy Albertelli |
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# |
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# 05/25/2001 H. K. Ng |
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# 05/31/2001 H. K. Ng |
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# 12/21/2001 Matthew |
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# |
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#init some globals |
#init some globals |
$hidden::RANDOMINIT=0; |
$hidden::RANDOMINIT=0; |
$pi=atan2(1,1)*4; |
$pi=atan2(1,1)*4; |
Line 39 $rad2deg=180.0/$pi;
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Line 34 $rad2deg=180.0/$pi;
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$deg2rad=$pi/180.0; |
$deg2rad=$pi/180.0; |
$"=' '; |
$"=' '; |
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sub check_commas { |
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my ($response)=@_; |
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#print("$response "); |
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my @numbers=split(',',$response); |
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#print(" numbers ".join('-',@numbers)." "); |
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if (scalar(@numbers) > 1) { |
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#print(" numbers[0] ".$numbers[0]." "); |
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if (length($numbers[0]) > 3 || length($numbers[0]) == 0) { return -1; } |
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shift(@numbers); |
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#print(" numbers ".scalar(@numbers)." "); |
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while (scalar(@numbers) > 1) { |
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#print(" numbers ".join('-',@numbers)." "); |
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if (length($numbers[0]) != 3) { return -2; } |
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shift(@numbers); |
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} |
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my ($number)=split('\.',$numbers[0]); |
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#print(" number ".$number." "); |
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#print(" numbers[0] ".$numbers[0]." "); |
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if (length($number) != 3) { return -3; } |
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} else { |
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my ($number)=split('\.',$numbers[0]); |
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if (length($number) > 3) { return -4; } |
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} |
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return 1; |
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} |
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sub caparesponse_check { |
sub caparesponse_check { |
my ($answer,$response)=@_; |
my ($answer,$response)=@_; |
#not properly used yet: calc |
#not properly used yet: calc |
Line 46 sub caparesponse_check {
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Line 67 sub caparesponse_check {
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my $type=$LONCAPA::CAPAresponse_args{'type'}; |
my $type=$LONCAPA::CAPAresponse_args{'type'}; |
my $tol=$LONCAPA::CAPAresponse_args{'tol'}; |
my $tol=$LONCAPA::CAPAresponse_args{'tol'}; |
my $sig=$LONCAPA::CAPAresponse_args{'sig'}; |
my $sig=$LONCAPA::CAPAresponse_args{'sig'}; |
my $ans_fmt=$LONCAPA::CAPAresponse_args{'ans_fmt'}; |
my $ans_fmt=$LONCAPA::CAPAresponse_args{'format'}; |
my $unit=$LONCAPA::CAPAresponse_args{'unit'}; |
my $unit=$LONCAPA::CAPAresponse_args{'unit'}; |
my $calc=$LONCAPA::CAPAresponse_args{'calc'}; |
my $calc=$LONCAPA::CAPAresponse_args{'calc'}; |
my $samples=$LONCAPA::CAPAresponse_args{'samples'}; |
my $samples=$LONCAPA::CAPAresponse_args{'samples'}; |
Line 68 sub caparesponse_check {
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Line 89 sub caparesponse_check {
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} else { |
} else { |
$message .="no ws in :$response:\n"; |
$message .="no ws in :$response:\n"; |
} |
} |
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if ($type eq 'cs' || $type eq 'ci' || $type eq 'mc') { |
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#for string answers make surec all places spaces occur, there is |
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#really only 1 space, in both the answer and the response |
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$answer=~s/ +/ /g; |
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$response=~s/ +/ /g; |
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} |
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if ($type eq 'float' && $unit=~/\$/) { |
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if ($response!~/^\$/) { return "NO_UNIT: Missing \$ "; } |
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$response=~s/\$//g; |
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} |
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if ($type eq 'float' && $unit=~/\,/ && (&check_commas($response)<0)) { |
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return "COMMA_FAIL:"; |
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} |
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$ans_fmt=~s/\W//g; |
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$unit=~s/[\$,]//g; |
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if ($type eq 'float') { $response=~s/,//g; } |
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if (length($response) > 500) { return "TOO_LONG: Answer too long"; } |
if (length($response) > 500) { return "TOO_LONG: Answer too long"; } |
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Line 105 sub caparesponse_check {
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Line 142 sub caparesponse_check {
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} |
} |
} |
} |
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if ($sig eq '') { |
($sig_ubound,$sig_lbound)=&LONCAPA_INTERNAL_get_sigrange($sig); |
$sig_lbound = 0; #SIG_LB_DEFAULT |
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$sig_ubound =15; #SIG_UB_DEFAULT |
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} else { |
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($sig_lbound,$sig_ubound) = split /,/,$sig; |
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if (!defined($sig_lbound)) { |
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$sig_lbound = 0; #SIG_LB_DEFAULT |
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$sig_ubound =15; #SIG_UB_DEFAULT |
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} |
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if (!defined($sig_ubound)) { $sig_ubound=$sig_lbound; } |
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} |
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my $reterror=""; |
my $reterror=""; |
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 135 sub caparesponse_check {
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Line 163 sub caparesponse_check {
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elsif ($result == '9') { $result='ANS_CNT_NOT_MATCH'; } |
elsif ($result == '9') { $result='ANS_CNT_NOT_MATCH'; } |
elsif ($result =='10') { $result='SUB_RECORDED'; } |
elsif ($result =='10') { $result='SUB_RECORDED'; } |
elsif ($result =='11') { $result='BAD_FORMULA'; } |
elsif ($result =='11') { $result='BAD_FORMULA'; } |
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elsif ($result =='12' && !$response) { $result='MISSING_ANSWER'; } |
elsif ($result =='12') { $result='WANTED_NUMERIC'; } |
elsif ($result =='12') { $result='WANTED_NUMERIC'; } |
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elsif ($result =='13') { $result='UNIT_INVALID_INSTRUCTOR'; } |
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elsif ($result =='141') { $result='UNIT_INVALID_STUDENT'; } |
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elsif ($result =='142') { $result='UNIT_INVALID_STUDENT'; } |
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elsif ($result =='143') { $result='UNIT_INVALID_STUDENT'; } |
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elsif ($result =='15') { $result='UNIT_IRRECONCIBLE'; } |
else {$result = "ERROR: Unknown Result:$result:$@:";} |
else {$result = "ERROR: Unknown Result:$result:$@:";} |
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return ("$result:\nRetError $reterror:\nError $error:\nAnswer $answer:\nResponse $response:\n type-$type|$tol|$tol_type|$sig:$sig_lbound:$sig_ubound|$unit|\n$message",$reterror); |
return ("$result:\nRetError $reterror:\nAnswer $answer:\nResponse $response:\n type-$type|$tol|$tol_type|$sig:$sig_lbound:$sig_ubound|$unit|\n$message",$reterror); |
} |
} |
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Line 168 sub caparesponse_check_list {
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Line 202 sub caparesponse_check_list {
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$unit=$2; |
$unit=$2; |
} |
} |
} |
} |
$result.="Final final response :$responselist['-1']:\n"; |
$result.="Final final response :$responselist['-1']:$unit:\n"; |
$result.=":$#list: answers\n"; |
$result.=":$#list: answers\n"; |
$unit=~s/\s//; |
$unit=~s/\s//; |
my $i=0; |
my $i=0; |
Line 237 sub random {
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Line 271 sub random {
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if ( ! $hidden::RANDOMINIT ) { |
if ( ! $hidden::RANDOMINIT ) { |
if ($external::randomseed == 0) { $external::randomseed=1; } |
if ($external::randomseed == 0) { $external::randomseed=1; } |
if ($external::randomseed =~/,/) { |
if ($external::randomseed =~/,/) { |
my ($num1,$num2)=split(/,/,$seed); |
my ($num1,$num2)=split(/,/,$external::randomseed); |
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&random_set_seed(1,abs($num1)); |
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} elsif ($external::randomseed =~/:/) { |
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my ($num1,$num2)=split(/:/,$external::randomseed); |
&random_set_seed(abs($num1),abs($num2)); |
&random_set_seed(abs($num1),abs($num2)); |
} else { |
} else { |
&random_set_seed(1,int(abs($external::randomseed))); |
&random_set_seed(1,int(abs($external::randomseed))); |
Line 345 sub random_multivariate_normal {
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Line 382 sub random_multivariate_normal {
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my ($item_cnt,$seed,$mean,$covar) = @_; |
my ($item_cnt,$seed,$mean,$covar) = @_; |
my @oldseed=&random_get_seed(); |
my @oldseed=&random_get_seed(); |
&random_set_seed_from_phrase($seed); |
&random_set_seed_from_phrase($seed); |
@retArray=&math_random_multivariate_normal($item_cnt,@$mean,@$covar); |
my @retArray=&math_random_multivariate_normal($item_cnt,@$mean,@$covar); |
&random_set_seed(@oldseed); |
&random_set_seed(@oldseed); |
return @retArray; |
return @retArray; |
} |
} |
Line 355 sub random_multinomial {
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Line 392 sub random_multinomial {
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my @oldseed=&random_get_seed(); |
my @oldseed=&random_get_seed(); |
my @retArray; |
my @retArray; |
&random_set_seed_from_phrase($seed); |
&random_set_seed_from_phrase($seed); |
@retArray=&math_random_multinomial($item_cnt,@p); |
my @retArray=&math_random_multinomial($item_cnt,@p); |
&random_set_seed(@oldseed); |
&random_set_seed(@oldseed); |
return @retArray; |
return @retArray; |
} |
} |
Line 476 sub floor {return (($_[0]-CORE::int($_[
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Line 513 sub floor {return (($_[0]-CORE::int($_[
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sub format { |
sub format { |
my ($value,$fmt)=@_; |
my ($value,$fmt)=@_; |
my $dollarmode; |
my ($dollarmode,$commamode,$alwaysperiod,$options); |
if ($fmt =~ /^\$(.*)/) { $fmt=$1; $dollarmode=1; } |
if ($fmt =~ /^([^\d]*)(.*)/) { $options=$1; $fmt=$2; } |
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#if ($options =~ /\$/) { $dollamode=1; } |
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#if ($options =~ /,/) { $commamode=1; } |
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if ($options =~ /\./) { $alwaysperiod=1; } |
$fmt=~s/e/E/g; |
$fmt=~s/e/E/g; |
my $result=sprintf('%.'.$fmt,$value); |
my $result=sprintf('%.'.$fmt,$value); |
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if ($alwaysperiod && $fmt eq '0f') { $result .='.'; } |
$result=~s/(E[+-]*)0/$1/; |
$result=~s/(E[+-]*)0/$1/; |
if ($dollarmode) {$result=&dollarmode($result);} |
#if ($dollarmode) {$result=&dollarformat($result);} |
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#if ($commamode) {$result=&commaformat($result);} |
return $result; |
return $result; |
} |
} |
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sub chemparse { |
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my ($reaction) = @_; |
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my @tokens = split(/(\s\+|\->|<=>|<\-|\.)/,$reaction); |
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my $formula = ''; |
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foreach my $token (@tokens) { |
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if ($token eq '->' ) { |
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$formula .= '<m>\ensuremath{\rightarrow}</m> '; |
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next; |
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} |
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if ($token eq '<-' ) { |
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$formula .= '<m>\ensuremath{\leftarrow}</m> '; |
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next; |
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} |
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if ($token eq '<=>') { |
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if ($external::target eq 'web' && |
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&EXT('request.browser.unicode')) { |
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$formula .= '⇌ '; |
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} else { |
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$formula .= &web('<=> ','<m>\ensuremath{\rightleftharpoons}</m> ', |
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'<=> '); |
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} |
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next; |
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} |
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if ($token eq '.') { |
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$formula =~ s/(\ \;| )$//; |
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$formula .= '·'; |
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next; |
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} |
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$token =~ /^\s*([\d|\/]*(?:&frac\d\d)?)(.*)/; |
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$formula .= $1 if ($1 ne '1'); # stoichiometric coefficient |
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my $molecule = $2; |
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# subscripts |
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$molecule =~ s|(?<=[a-zA-Z\)\]\s])(\d+)|<sub>$1</sub>|g; |
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# superscripts |
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$molecule =~ s|\^(\d*[+\-]*)|<sup>$1</sup>|g; |
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# strip whitespace |
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$molecule =~ s/\s*//g; |
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# forced space |
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$molecule =~ s/_/ /g; |
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$molecule =~ s/-/−/g; |
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$formula .= $molecule.' '; |
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} |
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# get rid of trailing space |
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$formula =~ s/(\ \;| )$//; |
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return &xmlparse($formula); |
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} |
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sub prettyprint { |
sub prettyprint { |
my ($value,$fmt,$target)=@_; |
my ($value,$fmt,$target)=@_; |
my $result; |
my $result; |
my $dollarmode; |
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if (!$target) { $target = $external::target; } |
if (!$target) { $target = $external::target; } |
if ($fmt =~ /^\$(.*)/) { $fmt=$1; $dollarmode=1; } |
if ($fmt =~ /chem/i) { return(&chemparse($value)); } |
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my ($dollarmode,$commamode,$alwaysperiod,$options); |
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if ($fmt =~ /^([^\d]*)(.*)/) { $options=$1; $fmt=$2; } |
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if ($options =~ /\$/) { $dollarmode=1; } |
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if ($options =~ /,/) { $commamode=1; } |
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if ($options =~ /\./) { $alwaysperiod=1; } |
if ($fmt) { $value=sprintf('%.'.$fmt,$value); } |
if ($fmt) { $value=sprintf('%.'.$fmt,$value); } |
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if ($alwaysperiod && $fmt eq '0f') { |
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if ($target eq 'tex') { |
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$value .='\\ensuremath{.}'; |
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} else { |
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$value .='.'; |
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} |
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} |
if ($value =~ /([0-9\.\-\+]+)E([0-9\-\+]+)/i ) { |
if ($value =~ /([0-9\.\-\+]+)E([0-9\-\+]+)/i ) { |
my $frac=$1; |
my $frac=$1; |
if ($dollarmode) { $frac=&dollarformat($frac); } |
if ($dollarmode) { $frac=&dollarformat($frac); } |
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if ($commamode) { $frac=&commaformat($frac); } |
my $exponent=$2; |
my $exponent=$2; |
$exponent=~s/^\+0*//; |
$exponent=~s/^\+0*//; |
$exponent=~s/^-0*/-/; |
$exponent=~s/^-0*/-/; |
Line 513 sub prettyprint {
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Line 615 sub prettyprint {
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} |
} |
} else { |
} else { |
$result=$value; |
$result=$value; |
if ($dollarmode) { $result=&dollarformat($result,$target); } |
if ($dollarmode) { $result=&dollarformat($result,$target); } |
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elsif ($commamode) { $result=&commaformat($result,$target); } |
} |
} |
return $result; |
return $result; |
} |
} |
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sub dollarformat { |
sub commaformat { |
my ($number,$target) = @_; |
my ($number,$target) = @_; |
if (!$target) { $target = $external::target; } |
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if ($number =~ /\./) { |
if ($number =~ /\./) { |
while ($number =~ /([^\.,]+)([^\.,][^\.,][^\.,])([,0-9]*\.[0-9]*)$/) { |
while ($number =~ /([^\.,]+)([^\.,][^\.,][^\.,])([,0-9]*\.[0-9]*)$/) { |
$number = $1.','.$2.$3; |
$number = $1.','.$2.$3; |
Line 530 sub dollarformat {
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Line 632 sub dollarformat {
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$number = $1.','.$2.$3; |
$number = $1.','.$2.$3; |
} |
} |
} |
} |
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return $number; |
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} |
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sub dollarformat { |
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my ($number,$target) = @_; |
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if (!$target) { $target = $external::target; } |
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$number=&commaformat($number,$target); |
if ($target eq 'tex') { |
if ($target eq 'tex') { |
$number='\$'.$number; #' stupid emacs |
$number='\$'.$number; #' stupid emacs |
} else { |
} else { |