loncom/homework/lonmaxima.pm - diff

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version 1.30, 2012/02/17 15:31:04	version 1.34, 2017/03/06 23:24:57
Line 155 sub maxima_eval {	Line 155 sub maxima_eval {

sub compareterms {	sub compareterms {
my ($socket,$terma,$termb)=@_;	my ($socket,$terma,$termb)=@_;
	if ($terma =~ m{[.^/\s]+(\|\(\s\((\|[^)]+))$}) {
	return 'Error: blacklisted';
	}
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.'));');