loncom/homework/math_parser/ENode.pm - diff

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version 1.4, 2017/01/19 19:24:57	version 1.5, 2017/01/27 20:24:26
Line 746 sub toTeX {	Line 746 sub toTeX {
}	}
}	}
when ("!") {	when ("!") {
return($c0->toTeX()." !");	my $s = $c0->toTeX();
	if ($c0->type == OPERATOR) {
	$s = "(".$s.")";
	}
	$s .= " !";
	return $s;
}	}
when ("%") {	when ("%") {
return($c0->toTeX()." \\% ".$c1->toTeX());	return($c0->toTeX()." \\% ".$c1->toTeX());
Line 805 sub toTeX {	Line 810 sub toTeX {
when ("sqrt") { return "\\sqrt{".$c1->toTeX()."}"; }	when ("sqrt") { return "\\sqrt{".$c1->toTeX()."}"; }
when ("abs") { return "\|".$c1->toTeX()."\|"; }	when ("abs") { return "\|".$c1->toTeX()."\|"; }
when ("exp") { return "\\mathrm{e}^{".$c1->toTeX()."}"; }	when ("exp") { return "\\mathrm{e}^{".$c1->toTeX()."}"; }
	when ("factorial") {
	my $s = $c1->toTeX();
	if ($c1->type == OPERATOR) {
	$s = "(".$s.")";
	}
	$s .= " !";
	return $s;
	}
when ("diff") {	when ("diff") {
if (scalar(@children) == 3) {	if (scalar(@children) == 3) {
return "\\frac{d}{d".$c2->toTeX()."} ".$c1->toTeX();	return "\\frac{d}{d".$c2->toTeX()."} ".$c1->toTeX();