version 1.12, 2006/12/19 17:44:16
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version 1.16, 2007/06/15 21:49:50
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Line 60 sub maximareply {
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Line 60 sub maximareply {
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sub blacklisted { |
sub blacklisted { |
my ($cmd)=@_; |
my ($cmd)=@_; |
foreach my $forbidden ('save','load','plot','lisp','includ','compil','file','batch','stringout','translat','stout','stin','block','system') { |
foreach my $forbidden ('save','load','plot','lisp','includ','compil', |
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'file','batch','stringout','translat','stout', |
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'stin','block','system','concat') { |
if ($cmd=~/$forbidden/s) { return 1; } |
if ($cmd=~/$forbidden/s) { return 1; } |
} |
} |
return 0; |
return 0; |
Line 75 sub runscript {
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Line 77 sub runscript {
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if ($line=~/\w/) { $reply=&maximareply($socket,$line.";\n"); } |
if ($line=~/\w/) { $reply=&maximareply($socket,$line.";\n"); } |
if ($reply=~/^Error\:/) { return $reply; } |
if ($reply=~/^Error\:/) { return $reply; } |
} |
} |
$reply=~s/\W//gs; |
$reply=~s/^\s*//gs; |
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$reply=~s/\s*$//gs; |
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&Apache::lonxml::debug("maxima $fullscript \n reply $reply"); |
return $reply; |
return $reply; |
} |
} |
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Line 101 sub maxima_run {
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Line 105 sub maxima_run {
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} |
} |
my $reply=&runscript($socket,$script); |
my $reply=&runscript($socket,$script); |
&disconnect($socket); |
&disconnect($socket); |
if ($reply=~/^\s*true\s*$/) { return 'EXACT_ANS'; } |
if ($reply=~/^\s*true\s*$/i) { return 'EXACT_ANS'; } |
if ($reply=~/^\s*false\s*/) { return 'INCORRECT'; } |
if ($reply=~/^\s*false\s*$/i) { return 'INCORRECT'; } |
return 'BAD_FORMULA'; |
return 'BAD_FORMULA'; |
} |
} |
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Line 117 sub maxima_eval {
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Line 121 sub maxima_eval {
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sub compareterms { |
sub compareterms { |
my ($socket,$terma,$termb)=@_; |
my ($socket,$terma,$termb)=@_; |
my $difference=$terma.'-'.$termb; |
my $difference=$terma.'-('.$termb.')'; |
if (&blacklisted($difference)) { return 'Error: blacklisted'; } |
if (&blacklisted($difference)) { return 'Error: blacklisted'; } |
my $reply=&maximareply($socket,'trigsimp(trigreduce('.$difference.'));'); |
my $reply=&maximareply($socket,'trigsimp(trigreduce('.$difference.'));'); |
if ($reply=~/^\s*0\s*$/) { return 'true'; } |
if ($reply=~/^\s*0\s*$/) { return 'true'; } |