From 869217f1e2f7a358443719c54d0f225ef314b99f Mon Sep 17 00:00:00 2001
From: Klaus Basan <klaus.basan@klausbasan.de>
Date: Mon, 17 Sep 2018 02:51:32 +0200
Subject: [PATCH] EpsilonEqual for float (used with UI functions which
 sometimes use qreal)

---
 src/blackmisc/math/mathutils.cpp | 5 +++++
 src/blackmisc/math/mathutils.h   | 1 +
 2 files changed, 6 insertions(+)

diff --git a/src/blackmisc/math/mathutils.cpp b/src/blackmisc/math/mathutils.cpp
index 024d37cde..88e6354a2 100644
--- a/src/blackmisc/math/mathutils.cpp
+++ b/src/blackmisc/math/mathutils.cpp
@@ -67,6 +67,11 @@ namespace BlackMisc
             return rv;
         }
 
+        bool CMathUtils::epsilonEqual(float v1, float v2, float epsilon)
+        {
+            return qAbs(v1 - v2) <= epsilon;
+        }
+
         bool CMathUtils::epsilonEqual(double v1, double v2, double epsilon)
         {
             return qAbs(v1 - v2) <= epsilon;
diff --git a/src/blackmisc/math/mathutils.h b/src/blackmisc/math/mathutils.h
index 38fbe2754..bc1651ae8 100644
--- a/src/blackmisc/math/mathutils.h
+++ b/src/blackmisc/math/mathutils.h
@@ -58,6 +58,7 @@ namespace BlackMisc
             static double roundEpsilon(double value, double epsilon);
 
             //! Epsilon safe equal @{
+            static bool epsilonEqual(float v1, float v2, float epsilon = 1E-06f);
             static bool epsilonEqual(double v1, double v2, double epsilon = 1E-06);
             static bool epsilonEqualLimits(double v1, double v2) { return qAbs(v1 - v2) <= std::numeric_limits<double>::epsilon(); }
             //! @}