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A Normal / Exponential Random Generator and Histogram Class

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2 Dec 20024 min read 276.8K   8.1K   55  
A fast random generator with normal or exponential distribution + a histogram class
In this article, you will find a fast generator for Random Variable, namely normal and exponential distributions. It is based on George Marsaglia's and Wai Wan Tsang's work.
// PGLLegend.h: interface for the CPGLLegend class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_PGLLEGEND_H__D9B6DFE3_F601_4CCC_B09A_518A7AE5CAE4__INCLUDED_)
#define AFX_PGLLEGEND_H__D9B6DFE3_F601_4CCC_B09A_518A7AE5CAE4__INCLUDED_

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

#include "PGLText.h"

class CPGLLegend : public CPGLText  
{
DECLARE_SERIAL(CPGLLegend);
public:
	CPGLLegend();
	virtual ~CPGLLegend();

	// Serialize functions
	void Serialize(CArchive& archive);

	// Debuggin functions
	#ifdef _DEBUG
	    virtual void Dump( CDumpContext& dc ) const;
	    virtual void AssertValid() const;    // Override
	#endif
};

#endif // !defined(AFX_PGLLEGEND_H__D9B6DFE3_F601_4CCC_B09A_518A7AE5CAE4__INCLUDED_)

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Written By
Engineer
United States United States
Jonathan de Halleux is Civil Engineer in Applied Mathematics. He finished his PhD in 2004 in the rainy country of Belgium. After 2 years in the Common Language Runtime (i.e. .net), he is now working at Microsoft Research on Pex (http://research.microsoft.com/pex).

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