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.
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#if !defined(AFX_PGLMAPVECTORPROPPAGE_H__74858A02_426C_4A5D_8BD0_FD1DE5E8C168__INCLUDED_)
#define AFX_PGLMAPVECTORPROPPAGE_H__74858A02_426C_4A5D_8BD0_FD1DE5E8C168__INCLUDED_
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
// PGLMapVectorPropPage.h : header file
//
/////////////////////////////////////////////////////////////////////////////
// CPGLMapVectorPropPage dialog
/*! \brief Vector field property page.
\ingroup PGLPropPageGroup
*/
class CPGLMapVectorPropPage : public CPropertyPage
{
DECLARE_DYNCREATE(CPGLMapVectorPropPage)
// Construction
public:
CPGLMapVectorPropPage(CPGLMapVector* pMapVector = NULL);
~CPGLMapVectorPropPage();
void SetMapVector(CPGLMapVector* pMapVector)
{ m_pMapVector = pMapVector;};
// Dialog Data
//{{AFX_DATA(CPGLMapVectorPropPage)
enum { IDD = IDD_PGL_PROPPAGE_MAP_VECTORFIELD };
double m_dLineWidth;
//}}AFX_DATA
// Overrides
// ClassWizard generate virtual function overrides
//{{AFX_VIRTUAL(CPGLMapVectorPropPage)
public:
virtual BOOL OnKillActive();
virtual BOOL OnSetActive();
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
//}}AFX_VIRTUAL
// Implementation
protected:
CPGLMapVector* m_pMapVector;
// Generated message map functions
//{{AFX_MSG(CPGLMapVectorPropPage)
// NOTE: the ClassWizard will add 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_PGLMAPVECTORPROPPAGE_H__74858A02_426C_4A5D_8BD0_FD1DE5E8C168__INCLUDED_)
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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).