loncom/homework/functionplotresponse.pm - diff

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version 1.65, 2011/10/13 01:54:12	version 1.67, 2011/10/19 00:20:28
Line 973 sub compare_rel {	Line 973 sub compare_rel {

sub addlog {	sub addlog {
my ($text)=@_;	my ($text)=@_;
	$text=~s/\'/\\\'/g;
$Apache::functionplotresponse::ruleslog.=$text.'<br />';	$Apache::functionplotresponse::ruleslog.=$text.'<br />';
}	}

Line 981 sub actualval {	Line 982 sub actualval {
return $xmin+$i/400.*($xmax-$xmin);	return $xmin+$i/400.*($xmax-$xmin);
}	}

	sub fpr_val {
	my ($arg)=@_;
	return &actualval($Apache::functionplotresponse::functionplotrulelabels{$arg},
	$Apache::functionplotresponse::fpr_xmin,
	$Apache::functionplotresponse::fpr_xmax);
	}

sub fpr_f {	sub fpr_f {
my ($arg)=@_;	my ($arg)=@_;
return $Apache::functionplotresponse::func[&array_index($Apache::functionplotresponse::fpr_xmin,	return $Apache::functionplotresponse::func[&array_index($Apache::functionplotresponse::fpr_xmin,