test.cpp

牛顿插值算法的实现 牛顿插值算法的实现

#include "newton.h" 
#include "iostream.h" 
void  main(void) 
{ 
int n; 
double x,y; 
CNewton nt(20); 
cout<<"输入插入点个数(n<=20)\nn=";
cin>>n;
for(int i=1;i<=n;++i)
{
	cout<<"输入第"<<i<<"个点\nx=";
	cin>>x;
	cout<<"y=";
	cin>>y;
	nt.InsertPoint(x,y);
}

while(1)
{
	cout<<"计算N(x)\nx=";
	cin>>x;
	cout<<"N("<<x<<")=\n"<<nt.GetValue(x)<<endl; 
    if(x==0.0) 
    break; 
} 
//return 0;
}