Liquidfun links

2015-09-09 18:04:17 +01:00
parent 8833377855
commit 67f7a30ca6
184 changed files with 52115 additions and 2 deletions
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+/*
+* Copyright (c) 2013 Google, Inc.
+*
+* This software is provided 'as-is', without any express or implied
+* warranty.  In no event will the authors be held liable for any damages
+* arising from the use of this software.
+* Permission is granted to anyone to use this software for any purpose,
+* including commercial applications, and to alter it and redistribute it
+* freely, subject to the following restrictions:
+* 1. The origin of this software must not be misrepresented; you must not
+* claim that you wrote the original software. If you use this software
+* in a product, an acknowledgment in the product documentation would be
+* appreciated but is not required.
+* 2. Altered source versions must be plainly marked as such, and must not be
+* misrepresented as being the original software.
+* 3. This notice may not be removed or altered from any source distribution.
+*/
+#ifndef B2_STAT
+#define B2_STAT
+
+#include <Box2D/Common/b2Settings.h>
+
+/// Calculates min/max/mean of a set of samples
+class b2Stat
+{
+public:
+	b2Stat();
+
+	/// Record a sample
+	void Record( float32 t );
+
+	/// Returns the number of recorded samples
+	int GetCount() const;
+
+	/// Returns the mean of all recorded samples,
+	/// Returns 0 if there are no recorded samples
+	float32 GetMean() const;
+
+	/// Returns the min of all recorded samples,
+	/// FLT_MAX if there are no recorded samples
+	float32 GetMin() const;
+
+	/// Returns the max of all recorded samples,
+	/// -FLT_MAX if there are no recorded samples
+	float32 GetMax() const;
+
+	/// Erase all recorded samples
+	void Clear();
+private:
+
+	int m_count;
+	float64 m_total;
+	float32 m_min;
+	float32 m_max;
+};
+
+#endif