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