version 1.85, 2004/06/04 22:56:46
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version 1.97, 2005/03/31 14:43:13
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Line 34 $rad2deg=180.0/$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 41 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 69 sub caparesponse_check {
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Line 95 sub caparesponse_check {
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$answer=~s/ +/ /g; |
$answer=~s/ +/ /g; |
$response=~s/ +/ /g; |
$response=~s/ +/ /g; |
} |
} |
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if ($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; |
if ($type eq 'float') { $response=~s/,//g; } |
if ($type eq 'float') { $response=~s/,//g; } |
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if (length($response) > 500) { return "TOO_LONG: Answer too long"; } |
if (length($response) > 500) { return "TOO_LONG: Answer too long"; } |
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if ($type eq '' ) { |
if ($type eq '' ) { |
Line 127 sub caparesponse_check {
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Line 163 sub caparesponse_check {
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elsif ($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) { $result='MISSING_ANSWER'; } |
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elsif ($result =='12') { $result='WANTED_NUMERIC'; } |
elsif ($result =='13') { $result='UNIT_INVALID_INSTRUCTOR'; } |
elsif ($result =='13') { $result='UNIT_INVALID_INSTRUCTOR'; } |
elsif ($result =='141') { $result='UNIT_INVALID_STUDENT'; } |
elsif ($result =='141') { $result='UNIT_INVALID_STUDENT'; } |
elsif ($result =='142') { $result='UNIT_INVALID_STUDENT'; } |
elsif ($result =='142') { $result='UNIT_INVALID_STUDENT'; } |
Line 344 sub random_multivariate_normal {
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Line 382 sub random_multivariate_normal {
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my ($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,@$covar); |
&random_set_seed(@oldseed); |
&random_set_seed(@oldseed); |
return @retArray; |
return @retArray; |
} |
} |
Line 354 sub random_multinomial {
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Line 392 sub random_multinomial {
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my @oldseed=&random_get_seed(); |
my @oldseed=&random_get_seed(); |
my @retArray; |
my @retArray; |
&random_set_seed_from_phrase($seed); |
&random_set_seed_from_phrase($seed); |
@retArray=&math_random_multinomial($item_cnt,@p); |
my @retArray=&math_random_multinomial($item_cnt,@p); |
&random_set_seed(@oldseed); |
&random_set_seed(@oldseed); |
return @retArray; |
return @retArray; |
} |
} |
Line 480 sub format {
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Line 518 sub format {
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#if ($options =~ /\$/) { $dollamode=1; } |
#if ($options =~ /\$/) { $dollamode=1; } |
#if ($options =~ /,/) { $commamode=1; } |
#if ($options =~ /,/) { $commamode=1; } |
if ($options =~ /\./) { $alwaysperiod=1; } |
if ($options =~ /\./) { $alwaysperiod=1; } |
$fmt=~s/e/E/g; |
if ($fmt=~/s$/i) { |
my $result=sprintf('%.'.$fmt,$value); |
$result=&format_significant_figures($value,$fmt); |
if ($alwaysperiod && $fmt eq '0f') { $result .='.'; } |
} else { |
$result=~s/(E[+-]*)0/$1/; |
$fmt=~s/e/E/g; |
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my $result=sprintf('%.'.$fmt,$value); |
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if ($alwaysperiod && $fmt eq '0f') { $result .='.'; } |
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$result=~s/(E[+-]*)0/$1/; |
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} |
#if ($dollarmode) {$result=&dollarformat($result);} |
#if ($dollarmode) {$result=&dollarformat($result);} |
#if ($commamode) {$result=&commaformat($result);} |
#if ($commamode) {$result=&commaformat($result);} |
return $result; |
return $result; |
Line 491 sub format {
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Line 533 sub format {
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sub chemparse { |
sub chemparse { |
my ($reaction) = @_; |
my ($reaction) = @_; |
my @tokens = split(/(\s\+|\->|<=>)/,$reaction); |
my @tokens = split(/(\s\+|\->|<=>|<\-|\.)/,$reaction); |
my $formula = ''; |
my $formula = ''; |
foreach my $token (@tokens) { |
foreach my $token (@tokens) { |
if ($token eq '->' ) { |
if ($token eq '->' ) { |
$formula .= '<m>\ensuremath{\rightarrow}</m> '; |
$formula .= '<m>\ensuremath{\rightarrow}</m> '; |
next; |
next; |
} |
} |
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if ($token eq '<-' ) { |
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$formula .= '<m>\ensuremath{\leftarrow}</m> '; |
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next; |
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} |
if ($token eq '<=>') { |
if ($token eq '<=>') { |
if ($external::target eq 'web' && |
if ($external::target eq 'web' && |
&EXT('request.browser.unicode')) { |
&EXT('request.browser.unicode')) { |
$formula .= '⇌ '; |
$formula .= '⇌ '; |
} else { |
} else { |
$formula .= &web('<=> ','<m>\ensuremath{\rightleftharpoons}</m> ', |
$formula .= &web('<=> ','<m>\ensuremath{\rightleftharpoons}</m> ', |
'<=$gt; '); |
'<=> '); |
} |
} |
next; |
next; |
} |
} |
$token =~ /^\s*(\d*)(.*)/; |
if ($token eq '.') { |
$formula .= $1 if ($1 > 1); # stoichiometric coefficient |
$formula =~ s/(\ \;| )$//; |
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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; |
my $molecule = $2; |
# subscripts |
# subscripts |
Line 520 sub chemparse {
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Line 571 sub chemparse {
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$molecule =~ s/\s*//g; |
$molecule =~ s/\s*//g; |
# forced space |
# forced space |
$molecule =~ s/_/ /g; |
$molecule =~ s/_/ /g; |
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$molecule =~ s/-/−/g; |
$formula .= $molecule.' '; |
$formula .= $molecule.' '; |
} |
} |
# get rid of trailing space |
# get rid of trailing space |
$formula =~ s/(\Q${nbsp}\E| )$//; |
$formula =~ s/(\ \;| )$//; |
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return &xmlparse($formula); |
return &xmlparse($formula); |
} |
} |
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Line 535 sub prettyprint {
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Line 586 sub prettyprint {
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if ($fmt =~ /chem/i) { return(&chemparse($value)); } |
if ($fmt =~ /chem/i) { return(&chemparse($value)); } |
my ($dollarmode,$commamode,$alwaysperiod,$options); |
my ($dollarmode,$commamode,$alwaysperiod,$options); |
if ($fmt =~ /^([^\d]*)(.*)/) { $options=$1; $fmt=$2; } |
if ($fmt =~ /^([^\d]*)(.*)/) { $options=$1; $fmt=$2; } |
if ($options =~ /\$/) { $dollamode=1; } |
if ($options =~ /\$/) { $dollarmode=1; } |
if ($options =~ /,/) { $commamode=1; } |
if ($options =~ /,/) { $commamode=1; } |
if ($options =~ /\./) { $alwaysperiod=1; } |
if ($options =~ /\./) { $alwaysperiod=1; } |
if ($fmt) { $value=sprintf('%.'.$fmt,$value); } |
if ($fmt=~/s$/i) { |
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$value=&format_significant_figures($value,$fmt); |
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} elsif ($fmt) { |
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$value=sprintf('%.'.$fmt,$value); |
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} |
if ($alwaysperiod && $fmt eq '0f') { |
if ($alwaysperiod && $fmt eq '0f') { |
if ($target eq 'tex') { |
if ($target eq 'tex') { |
$value .='\\ensuremath{.}'; |
$value .='\\ensuremath{.}'; |
Line 568 sub prettyprint {
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Line 623 sub prettyprint {
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} |
} |
} else { |
} else { |
$result=$value; |
$result=$value; |
if ($dollarmode) { $result=&dollarformat($result,$target); } |
if ($dollarmode) { $result=&dollarformat($result,$target); } |
if ($commamode) { $result=&commaformat($result,$target); } |
elsif ($commamode) { $result=&commaformat($result,$target); } |
} |
} |
return $result; |
return $result; |
} |
} |
Line 600 sub dollarformat {
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Line 655 sub dollarformat {
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return $number; |
return $number; |
} |
} |
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# format of form ns or nS where n is an integer |
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sub format_significant_figures { |
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my ($number,$format) = @_; |
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return '0' if ($number == 0); |
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# extract number of significant figures needed |
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my ($sig) = ($format =~ /(\d+)s/i); |
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# arbitrary choice - suggestions ?? or throw error message? |
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$sig = 3 if ($sig eq ''); |
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# save the minus sign |
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my $sign = ($number < 0) ? '-' : ''; |
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$number = abs($number); |
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# needed to correct for a number greater than 1 (or |
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my $power = ($number < 1) ? 0 : 1; |
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# could round up. Take the integer part of log10. |
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my $x10 = int(log($number)/log(10)); |
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# find number with values left of decimal pt = # of sign figs. |
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my $xsig = $number*10**($sig-$x10-$power); |
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# get just digits left of decimal pt - also rounds off correctly |
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my $xint = sprintf('%.0f',$xsig); |
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# save any trailing zero's |
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my ($zeros) = ($xint =~ /(0+)$/); |
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# return number to original magnitude |
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my $numSig = $xint*10**($x10-$sig+$power); |
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# insert trailing zero's if have decimal point |
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$numSig =~ s/^(\d+)\.(\d+)(\e?(.*)?)$/$1\.$2$zeros$3/; |
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# return number with sign |
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return $sign.$numSig; |
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} |
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sub map { |
sub map { |
my ($phrase,$dest,$source)=@_; |
my ($phrase,$dest,$source)=@_; |
my @oldseed=&random_get_seed(); |
my @oldseed=&random_get_seed(); |