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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.
#if !defined(AFX_PGLPROPERTYSHEET_H__36F21C8A_F088_4A01_8E8E_67B888695318__INCLUDED_)
#define AFX_PGLPROPERTYSHEET_H__36F21C8A_F088_4A01_8E8E_67B888695318__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
// PGLPropertySheet.h : header file
//

/////////////////////////////////////////////////////////////////////////////
// CPGLPropertySheet

class CPGLPropertySheet : public CPropertySheet
{
	DECLARE_DYNAMIC(CPGLPropertySheet)

// Construction
public:
	CPGLPropertySheet(UINT nIDCaption, CWnd* pParentWnd = NULL, UINT iSelectPage = 0);
	CPGLPropertySheet(LPCTSTR pszCaption, CWnd* pParentWnd = NULL, UINT iSelectPage = 0);

// Attributes
public:
	void SetGraph(CPGLGraph* _pGraph)
	{	m_pGraph=_pGraph;};

// Operations
public:

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CPGLPropertySheet)
	public:
	virtual BOOL OnInitDialog();
	//}}AFX_VIRTUAL

// Implementation
public:
	void FillTree();
	virtual ~CPGLPropertySheet();

	// Generated message map functions
protected:
	CPGLGraph* m_pGraph;
	CTreeCtrl m_tree;
	//{{AFX_MSG(CPGLPropertySheet)
		// NOTE - the ClassWizard will add and remove member functions here.
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

/////////////////////////////////////////////////////////////////////////////

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_PGLPROPERTYSHEET_H__36F21C8A_F088_4A01_8E8E_67B888695318__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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