Simple C++11 BitSet

SimpleBitSet.h

template<size_t S, typename T>
class SimpleBitSet
{
private:
  T data[S/(sizeof(T)*8)];
  
public:
  const size_t BITS = sizeof(T)*8;
  const size_t SIZE = S/BITS;
  
  SimpleBitSet() : data{0} { }
  
  inline void set(size_t index) { data[index/BITS] |= (1 << (index%BITS)); }
  inline void reset(size_t index) { data[index/BITS] &= ~(1 << (index%BITS)); }
  inline void clear() { memset(data, 0, SIZE*sizeof(T)); }
  
  inline bool isSet(size_t index) const { return (data[index/BITS] & (1 << (index%BITS))) != 0; }
  
  inline void getData(T (&data)[S/(sizeof(T)*8)]) const {
    memcpy(data, this->data, SIZE*sizeof(T));
  }
  
  inline void setData(const T (&data)[S/(sizeof(T)*8)]) {
    memcpy(this->data, data, SIZE*sizeof(T));
  }
  
  static constexpr size_t realSize() { return S / (sizeof(T) * 8); }
};