loncom/homework/default_homework.lcpm - diff

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version 1.111, 2006/07/18 14:06:17	version 1.113, 2006/07/18 17:14:10
Line 210 sub implicit_multiplication {	Line 210 sub implicit_multiplication {
$expression=~s/\s+/\*/gs;	$expression=~s/\s+/\*/gs;
# 3a -> 3a; 3( -> 3(; 3A -> 3*a	# 3a -> 3a; 3( -> 3(; 3A -> 3*a
$expression=~s/(\d)([a-zA-Z\(])/$1\*$2/gs;	$expression=~s/(\d)([a-zA-Z\(])/$1\*$2/gs;
# a3 -> a3; )3 -> )3	# a3 -> a*3;
$expression=~s/([a-zA-Z])(\d)/$1\*$2/gs;	$expression=~s/([a-zA-Z])(\d)/$1\*$2/gs;
# )a -> )*a	# )a -> )a; )3 -> )3
$expression=~s/\)(\w)/\)\*$1/gs;	$expression=~s/\)(\w)/\)\*$1/gs;
# 3&8 -> 3e8; 3&-4 -> 3e-4	# 3&8 -> 3e8; 3&-4 -> 3e-4
$expression=~s/(\d+)\&$([\+\-]*\d+)$/$1e$2/gs;	$expression=~s/(\d+)\&$([\+\-]*\d+)$/$1e$2/gs;
Line 850 sub class {	Line 850 sub class {
return $course;	return $course;
}	}

	sub firstname {
	my $firstname = &EXT('environment.firstname');
	$firstname = '' if $firstname eq "";
	return $firstname;
	}

	sub lastname {
	my $lastname = &EXT('environment.lastname');
	$lastname = '' if $lastname eq "";
	return $lastname;
	}

sub sec {	sub sec {
my $sec = &EXT('request.course.sec');	my $sec = &EXT('request.course.sec');
$sec = '' if $sec eq "";	$sec = '' if $sec eq "";