loncom/homework/lonmaxima.pm - diff

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version 1.24, 2008/08/21 11:11:31	version 1.29, 2010/06/14 11:34:18
Line 60 sub maximareply {	Line 60 sub maximareply {

sub blacklisted {	sub blacklisted {
my ($cmd)=@_;	my ($cmd)=@_;
foreach my $forbidden ('save','load','plot','lisp','includ','compil',	foreach my $forbidden (
'file','batch','stringout','translat','stout',	'\? ','\?','%i\d+','%o','batch','block'
'stin','block','system','concat','read','inchar',	,'compil','concat','describe','display2d','file','inchar'
'outchar','ttyoff','with_stdout','writefile',	,'includ','lisp','load','outchar','plot','quit'
'reset','quit','\? ','\?','display2d','%i','%o','describe') {	,'read','reset','save','stin','stout','stringout'
	,'system','translat','ttyoff','with_stdout','writefile'
	) {
if ($cmd=~/$forbidden/s) { return 1; }	if ($cmd=~/$forbidden/s) { return 1; }
}	}
return 0;	return 0;
Line 115 sub runscript {	Line 117 sub runscript {

sub maxima_cas_formula_fix {	sub maxima_cas_formula_fix {
my ($expression)=@_;	my ($expression)=@_;
return &Apache::response::implicit_multiplication($expression);	$expression=&Apache::response::implicit_multiplication($expression);
	$expression=~s/([^\w\%])pi/$1\%pi/gs;
	return $expression;
}	}

sub maxima_run {	sub maxima_run {