/**
 * @file XTPMathStats.h
 *
 * @copyright
 * (c) 1998-2025 Codejock Software, All Rights Reserved.
 *
 * This source file is the property of Codejock Software and must not be
 * redistributed by any means without the explicit written permission of
 * Codejock Software.
 *
 * The use of this source code is governed by the terms and conditions specified
 * in the Toolkit Pro license agreement. Codejock Software grants you, as a
 * single software developer, the limited right to use this software on one
 * computer only.
 *
 * Contact Information:
 * support@codejock.com
 * http://www.codejock.com
 *
 */

/** @cond */
#if !defined(__XTPMATHSTATS_H__)
#	define __XTPMATHSTATS_H__
/** @endcond */

#	if _MSC_VER >= 1000
#		pragma once
#	endif // _MSC_VER >= 1000

#	include "Common/Base/Diagnostic/XTPDisableNoisyWarnings.h"

class _XTP_EXT_CLASS CXTPMathArithmeticMean
{
public:
	CXTPMathArithmeticMean()
		: m_dArithmeticMean(0)
		, m_dCount(0)
	{
	}

	double Add(double dValue);

	operator double() const
	{
		return m_dArithmeticMean;
	}

protected:
	double m_dArithmeticMean;
	double m_dCount;
};

class _XTP_EXT_CLASS CXTPMathVariance
{
public:
	CXTPMathVariance()
		: m_dVariance(0)
		, m_dCount(0)
	{
	}

	double Add(double dValue, double dArithmeticMean);

	operator double() const;

protected:
	double m_dVariance;
	double m_dCount;
};

class _XTP_EXT_CLASS CXTPMathCovariance
{
public:
	CXTPMathCovariance();

	double Add(double dValueX, double dArithmeticMeanX, double dValueY, double dArithmeticMeanY);

	operator double() const;

protected:
	double m_dCovariance;
	double m_dCount;
};

#	include "Common/Base/Diagnostic/XTPEnableNoisyWarnings.h"
/** @cond */
#endif //#if !defined(__XTPMATHSTATS_H__)
/** @endcond */