version 1.14, 2007/05/26 15:51:08
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version 1.19, 2007/08/13 09:34:35
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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 $forbidden ('save','load','plot','lisp','includ','compil', |
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'file','batch','stringout','translat','stout', |
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'stin','block','system','concat','read') { |
if ($cmd=~/$forbidden/s) { return 1; } |
if ($cmd=~/$forbidden/s) { return 1; } |
} |
} |
return 0; |
return 0; |
Line 77 sub runscript {
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Line 79 sub runscript {
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} |
} |
$reply=~s/^\s*//gs; |
$reply=~s/^\s*//gs; |
$reply=~s/\s*$//gs; |
$reply=~s/\s*$//gs; |
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&Apache::lonxml::debug("maxima $fullscript \n reply $reply"); |
return $reply; |
return $reply; |
} |
} |
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Line 118 sub maxima_eval {
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Line 121 sub maxima_eval {
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sub compareterms { |
sub compareterms { |
my ($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'; } |
Line 131 sub maxima_check {
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Line 134 sub maxima_check {
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my $socket=&connect(); |
my $socket=&connect(); |
my $reply=&compareterms($socket,$response,$answer); |
my $reply=&compareterms($socket,$response,$answer); |
&disconnect($socket); |
&disconnect($socket); |
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# integer to string mappings come from capaParser.h |
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# 1 maps to 'EXACT_ANS' |
if ($reply eq 'true') { return 1; } |
if ($reply eq 'true') { return 1; } |
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# 7 maps to 'INCORRECT' |
return 7; |
return 7; |
} |
} |
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