main.cpp

 

所建工程文件如下图所示

uniform.h

#ifndef _UNIFORM_H_
#define _UNIFORM_H_
double uniform(double a,double b, long int *seed);
#endif

 

uniform.cpp
#include "uniform.h"
#include "stdio.h"

#define Lamda 2045
#define Miu 1
#define M 1048576

double uniform(double a, double b, long int *seed)
{
double t;
*seed = Lamda*(*seed) + Miu;
*seed = *seed - (*seed/M)*M;
t = (*seed) / (M+0.0);
t = a + (b - a)*t;
return(t);
}

uniform_test.h

#ifndef _UNIFORM_TEST_H_
#define _UNIFORM_TEST_H_
void uniform_test(void);
#endif

 uniform_test.cpp

#include "uniform_test.h"
#include "uniform.h"
#include "stdio.h"
#include <iostream>
#include <iomanip>
using namespace std;

void uniform_test(void)
{
double a =0.0;
double b =1.0;
double x;
long int s=13579;
int i,j;
printf("\n uniform test start!\n");
for(i=0;i<10;i++)
{
for(j=0;j<5;j++)
{
x=uniform(a,b,&s);
cout<<setiosflags(ios::fixed)<<setprecision(7);
cout << x << ' ';
//printf(" %13.7f",x);
}
cout << ' ' <<endl;
//printf("\n");
}

}
//#include "uniform.h"
#include "uniform_test.h"
#include<stdio.h>

void main(void)
{
uniform_test();
getchar();
}