version 1.144, 2009/04/17 01:00:15
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version 1.145, 2009/06/23 03:01:15
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Line 434 sub caparesponse_check_list {
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Line 434 sub caparesponse_check_list {
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sub cas { |
sub cas { |
my ($system,$input,$library)=@_; |
my ($system,$input,$library)=@_; |
my $output; |
my $output; |
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my $dump; |
if ($system eq 'maxima') { |
if ($system eq 'maxima') { |
$output=&maxima_eval($input,$library); |
$output=&maxima_eval($input,$library); |
} elsif ($system eq 'R') { |
} elsif ($system eq 'R') { |
$output=&r_eval($input,$library); |
($output,$dump)=&r_eval($input,$library,0); |
} else { |
} else { |
$output='Error: unrecognized CAS'; |
$output='Error: unrecognized CAS'; |
} |
} |
return $output; |
return $output; |
} |
} |
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sub cas_hashref { |
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my ($system,$input,$library)=@_; |
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if ($system eq 'maxima') { |
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return 'Error: unsupported CAS'; |
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} elsif ($system eq 'R') { |
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return &r_eval($input,$library,1); |
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} else { |
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return 'Error: unrecognized CAS'; |
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} |
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} |
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# |
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# cas_hashref_entry takes a list of indices and gets the entry in a hash generated by Rreturn. |
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# Call: cas_hashref_entry(Rvalue, index1, index2, ...) where Rvalue is a hash returned by Rreturn. |
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# Rentry will return the first scalar value it encounters (ignoring excess indices). |
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# If an invalid key is given, it returns undef. |
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# |
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sub cas_hashref_entry { |
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return &Rentry(@_); |
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} |
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# |
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# cas_hashref_array takes a list of indices and gets a column array from a hash generated by Rreturn. |
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# Call: cas_hashref_array(Rvalue, index1, index2, ...) where Rvalue is a hash returned by Rreturn. |
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# If an invalid key is given, it returns undef. |
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# |
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sub cas_hashref_array { |
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return &Rarray(@_); |
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} |
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sub tex { |
sub tex { |
if ( $external::target eq "tex" ) { |
if ( $external::target eq "tex" ) { |
return $_[0]; |
return $_[0]; |