smplstat.h Source File

00001 // This may look like C code, but it is really -*- C++ -*-
00002 /*
00003 Copyright (C) 1988 Free Software Foundation
00004     written by Dirk Grunwald (grunwald@cs.uiuc.edu)
00005 
00006 This file is part of the GNU C++ Library.  This library is free
00007 software; you can redistribute it and/or modify it under the terms of
00008 the GNU Library General Public License as published by the Free
00009 Software Foundation; either version 2 of the License, or (at your
00010 option) any later version.  This library is distributed in the hope
00011 that it will be useful, but WITHOUT ANY WARRANTY; without even the
00012 implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00013 PURPOSE.  See the GNU Library General Public License for more details.
00014 You should have received a copy of the GNU Library General Public
00015 License along with this library; if not, write to the Free Software
00016 Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
00017 */
00018 
00019 #ifndef SampleStatistic_h
00020 #define SampleStatistic_h 1
00021 
00022 #ifdef __GNUG__
00023 #pragma interface
00024 #endif
00025 
00026 class SampleStatistic {
00027 protected:
00028     long unsigned n;
00029     double x;
00030     double x2;
00031     double minValue, maxValue;
00032 
00033     public :
00034 
00035     SampleStatistic();
00036     virtual ~SampleStatistic();
00037     virtual void reset();
00038 
00039     virtual void operator+=(double);
00040     long  samples()const;
00041     double mean()const;
00042     double stdDev()const;
00043     double var()const;
00044     double min()const;
00045     double max()const;
00046     double confidence(int p_percentage)const;
00047     double confidence(double p_value)const;
00048 
00049   //  void            error(const char* msg);
00050 };
00051 
00052 // error handlers
00053 /*
00054 extern  void default_SampleStatistic_error_handler(const char*);
00055 extern  one_arg_error_handler_t SampleStatistic_error_handler;
00056 
00057 extern  one_arg_error_handler_t
00058         set_SampleStatistic_error_handler(one_arg_error_handler_t f);
00059 */
00060 inline long SampleStatistic::  samples()const {return (long)n;}
00061 inline double SampleStatistic:: min() const{return(minValue);}
00062 inline double SampleStatistic:: max() const{return(maxValue);}
00063 inline SampleStatistic::~SampleStatistic() {}
00064 
00065 #endif