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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.
/**************************************************************************\
*
* Copyright (c) 1998-2001, Microsoft Corp.  All Rights Reserved.
*
* Module Name:
*
*   Gdiplus.h
*
* Abstract:
*
*   GDI+ public header file
*
\**************************************************************************/

#ifndef _GDIPLUS_H
#define _GDIPLUS_H

struct IDirectDrawSurface7;

typedef signed   short   INT16;
typedef unsigned short  UINT16;

#include <pshpack8.h>   // set structure packing to 8

namespace Gdiplus
{
    namespace DllExports
    {
        #include "GdiplusMem.h"
    };

    #include "GdiplusBase.h"

    #include "GdiplusEnums.h"
    #include "GdiplusTypes.h"
    #include "GdiplusInit.h"
    #include "GdiplusPixelFormats.h"
    #include "GdiplusColor.h"
    #include "GdiplusMetaHeader.h"
    #include "GdiplusImaging.h"
    #include "GdiplusColorMatrix.h"

    #include "GdiplusGpStubs.h"
    #include "GdiplusHeaders.h"

    namespace DllExports
    {
        #include "GdiplusFlat.h"
    };


    #include "GdiplusImageAttributes.h"
    #include "GdiplusMatrix.h"
    #include "GdiplusBrush.h"
    #include "GdiplusPen.h"
    #include "GdiplusStringFormat.h"
    #include "GdiplusPath.h"
    #include "GdiplusLineCaps.h"
    #include "GdiplusMetafile.h"
    #include "GdiplusGraphics.h"
    #include "GdiplusCachedBitmap.h"
    #include "GdiplusRegion.h"
    #include "GdiplusFontCollection.h"
    #include "GdiplusFontFamily.h"
    #include "GdiplusFont.h"
    #include "GdiplusBitmap.h"
    #include "GdiplusImageCodec.h"

}; // namespace Gdiplus

#include <poppack.h>    // pop structure packing back to previous state

#endif // !_GDIPLUS_HPP

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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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