How to detect the end of a file reading in a while loop in C++

Question

In my code, there’s the struct:

struct material {
    int idmaterial;
    double rho;
    double precokg;
};

And the reading function of a data vector of type "material", from a file:

std::vector<material> le_material(std::string s)
{
    std::ifstream dados(s);
    dados.exceptions(std::ios::failbit |
            std::ios::badbit);

    std::vector<material> infomateriais;
    material mat_lido;
    bool fim;
    fim = dados.eof();

    while (fim == false) {
        dados >> mat_lido.idmaterial;
        dados >> mat_lido.rho;
        dados >> mat_lido.precokg;
        infomateriais.push_back(mat_lido);
        fim = dados.eof();
    }

    return infomateriais;
}

The file being read contains the following data:

1   1.02    82.76   
2   2.81    29.45   
3   1.46    14.41   
4   1.15    31.54   
5   1.04    71.10   
6   1.11    87.05   
7   2.84    13.81   
8   1.56    27.55   
9   2.63    71.30   
10  0.87    25.59   
11  2.99    24.83   

I think the reading of the data is ok. However, the program gives error in execution when it reaches the end of the file:

terminate called after Throwing an instance of 'Std::ios_base::Failure[Abi:cxx11]' what(): basic_ios::clear: iostream error Aborted (saved kernel image)

At first, I discovered it’s because the function eof() actually only returns true when a read attempt is made that reaches the end of the file, so the program would still try to read.

Some doubts:

• Is there any way to use the eof() without trying to make a reading and error in program execution?
• I tried to use in the condition of while the operator >> by checking whether there was success in reading and continued to give error, because by I researched, he would try to read the final blank and not detect which is the end of the file. So, it would be better to use the get()? Like this use could be made?