inline void toggle(int nr){
int idx = nr/bits_();
int off = nr%bits_();
data_[idx] ^= (((ul)1)<<off);
}
inline void clear(int nr){
int idx = nr/bits_();
int off = nr%bits_();
data_[idx] &= ~(((ul)1)<<off);
}
inline bool isSet(int nr)const{
int idx = nr/bits_();
int off = nr%bits_();
return (data_[idx]&(((ul)1)<<off)) != 0;
}
inline void set(int nr){
int idx = nr/bits_();
int off = nr%bits_();
data_[idx] |= ((ul)1)<<off;
}
Integer::Integer()
{
//Need to declare an empty vector, otherwise subtraction operator will dereference a null pointer
std::vector<bool> bits_(0);
}
