summaryrefslogtreecommitdiff
path: root/src/rational.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/rational.h')
-rw-r--r--src/rational.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/src/rational.h b/src/rational.h
new file mode 100644
index 0000000..7ff71c0
--- /dev/null
+++ b/src/rational.h
@@ -0,0 +1,45 @@
+/*
+ Copyright (C) 2014-2015 Carl Hetherington <cth@carlh.net>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+namespace sub {
+
+class Rational
+{
+public:
+ Rational (int numerator_, int denominator_)
+ : numerator (numerator_)
+ , denominator (denominator_)
+ {}
+
+ int numerator;
+ int denominator;
+
+ double fraction () const {
+ return double (numerator) / denominator;
+ }
+
+ bool integer () const;
+ int integer_fraction () const {
+ return numerator / denominator;
+ }
+};
+
+bool operator== (Rational const & a, Rational const & b);
+
+}