loncom/homework/default_homework.lcpm - diff

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version 1.97, 2005/03/31 14:43:13	version 1.98, 2005/03/31 17:12:37
Line 680 sub format_significant_figures {	Line 680 sub format_significant_figures {
my $numSig = $xint10*($x10-$sig+$power);	my $numSig = $xint10*($x10-$sig+$power);
# insert trailing zero's if have decimal point	# insert trailing zero's if have decimal point
$numSig =~ s/^(\d+)\.(\d+)(\e?(.*)?)$/$1\.$2$zeros$3/;	$numSig =~ s/^(\d+)\.(\d+)(\e?(.*)?)$/$1\.$2$zeros$3/;
	# put a decimal pt for number ending with 0 and length = # of sig fig
	$numSig.='.' if (length($numSig) == $sig && $numSig =~ /0$/);
	if (length($numSig) < $sig) {
	$numSig.='.'.substr($zeros,0,($sig-length($numSig)));
	}
# return number with sign	# return number with sign
return $sign.$numSig;	return $sign.$numSig;