package bigrat;
require "bigint.pl";
-
+#
+# This library is no longer being maintained, and is included for backward
+# compatibility with Perl 4 programs which may require it.
+#
+# In particular, this should not be used as an example of modern Perl
+# programming techniques.
+#
# Arbitrary size rational math package
#
# by Mark Biggar
'NaN';
} else {
local($gcd) = &'bgcd($num,$dom);
+ $gcd =~ s/^-/+/;
if ($gcd ne '+1') {
$num = &'bdiv($num,$gcd);
$dom = &'bdiv($dom,$gcd);