?? d4r05.cpp
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#include <iostream.h>
#include <math.h>
#include <iomanip.h>
#include <stdlib.h>
#include <fstream.h>
#include <string>
void main()
{
//program d4r5
//driver for routine Beta
int i;
char text[20];
double w,z,value,nval;
const double pi = 3.1415926;
fstream fin;
fin.open("d:\\vc常用數(shù)值算法集\\data\\fncval.dat",ios::in);
while (strcmp(text,"Beta")!=0)
{
fin>>text;
}
fin>>text;
fin>>nval;
cout<<"Beta Function"<<endl;
fin>>text;
cout<<endl;
cout<<" w z Actual beta(w,z)"<<endl;
for( i = 1;i<=nval;i++)
{
fin>>w;
fin>>z;
fin>>value;
cout<<setw(5)<<w;
cout<<setw(8)<<z;
cout<<setw(16)<<value;
cout<<setw(16)<<beta(w,z)<<endl;
}
}
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