std::vector<int>
count(const std::vector<float>& rls,
    const float& minimum,
    const float& maximum,
    const float& delta, std::ostream* pstream__)
{
    int rls_size = rls.size();
    int cntvec_size = floor((maximum - minimum) / delta);
    std::vector<int> cntvec(cntvec_size, 0);
    for(int i=0; i<rls_size; i++){
        if(rls[i] >= minimum && rls[i] < maximum){
            int idx = floor((rls[i] - minimum) / delta);
            cntvec[idx]++;
        }
    }
    return cntvec;
}