From 71f3520ea315fb65ff151c99aa0b64fc8dccdb1d Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Tue, 25 May 2021 00:32:39 +0200
Subject: Clamp results correctly when shifting video levels, and account for
 that in tests.

---
 src/lib/util.h | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/lib/util.h')

diff --git a/src/lib/util.h b/src/lib/util.h
index fa0d9fdf2..013eabe12 100644
--- a/src/lib/util.h
+++ b/src/lib/util.h
@@ -150,4 +150,12 @@ list_to_vector (std::list<T> v)
 extern double db_to_linear (double db);
 extern double linear_to_db (double linear);
 
+
+template <class T>
+T clamp (T val, T minimum, T maximum)
+{
+	return std::max(std::min(val, maximum), minimum);
+}
+
+
 #endif
-- 
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