From 13d590e5358fb0978b07e1293268b23ee912d825 Mon Sep 17 00:00:00 2001
From: Rene Milk <rene.milk@uni-muenster.de>
Date: Thu, 5 Jan 2012 21:19:32 +0100
Subject: [PATCH] adds comparison with abs/rel tolerances
---
stuff/math.hh | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/stuff/math.hh b/stuff/math.hh
index 34c6ff996..6bf14603b 100644
--- a/stuff/math.hh
+++ b/stuff/math.hh
@@ -143,6 +143,12 @@ T clamp(const T var, const T min, const T max)
return ((var < min) ? min : (var > max) ? max : var);
}
+template <class T>
+bool aboutEqual(const T& x, const T& y, T relative_tolerance = 1e-10, T absolute_tolerance = 1e-10)
+{
+ return (std::fabs(x - y) <= std::max(absolute_tolerance, relative_tolerance * std::max(std::fabs(x), std::fabs(y))));
+}
+
//! docme
class MovingAverage
{
--
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