From 4ba0ff8deb57aba3b034462c6c00ecf13ee281c9 Mon Sep 17 00:00:00 2001
From: Colin Snover
Date: Thu, 11 Feb 2016 16:25:33 -0600
Subject: COMMON: Add convenience method to Common::Rational for 1:1 ratios

For SCI engine games, ratios may not be normalised and so to avoid
extra scaling, there needs to be a way to simply check whether a
ratio is 1:1.
---
 common/rational.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'common')

diff --git a/common/rational.h b/common/rational.h
index 55fb361774..89caaf25b4 100644
--- a/common/rational.h
+++ b/common/rational.h
@@ -84,6 +84,8 @@ public:
 	int getNumerator() const { return _num; }
 	int getDenominator() const { return _denom; }
 
+	bool isOne() const { return _num == _denom; }
+
 	void debugPrint(int debuglevel = 0, const char *caption = "Rational:") const;
 
 private:
-- 
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