i am having a problem with reading input from a text file that looks like this:

Question

i am having a problem with reading input from a text file that looks like this:
9 1 1
1.2 -2.3 0.4
-2 -3 -4
+0 -2 8.85
2.345

The problem is that i am not reading the last line (2.345).

#include <iostream>
#include <fstream>
using namespace std;

int main()
{
double a, b, c;
ifstream input("quadratic.dat");

input>>a>>b>>c;
while (!input.eof())
{
cout<<"a: "<<a<<" b:"<<b<<" c:"<<c<<endl;
input>>a>>b>>c;
}
return 0;
}

Explanation / Answer

#include <iostream>
#include <fstream>

using namespace std;

int main()
{
double a, b, c;
ifstream input("quadratic.dat");

while (!input.eof())
{

input>>a>>b>>c;
cout<<"a: "<<a<<" b:"<<b<<" c:"<<c<<endl;

}
return 0;
}

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