47     reference(BitVector &b, unsigned Idx) {  in reference()  argument
48       WordRef = &b.Bits[Idx / BITWORD_SIZE];  in reference()
49       BitPos = Idx % BITWORD_SIZE;  in reference()
242   BitVector &set(unsigned Idx) {  in set()  argument
243     Bits[Idx / BITWORD_SIZE] |= 1L << (Idx % BITWORD_SIZE);  in set()
280   BitVector &reset(unsigned Idx) {  in reset()  argument
281     Bits[Idx / BITWORD_SIZE] &= ~(1L << (Idx % BITWORD_SIZE));  in reset()
320   BitVector &flip(unsigned Idx) {  in flip()  argument
321     Bits[Idx / BITWORD_SIZE] ^= 1L << (Idx % BITWORD_SIZE);  in flip()
326   reference operator[](unsigned Idx) {
327     assert (Idx < Size && "Out-of-bounds Bit access.");
328     return reference(*this, Idx);
331   bool operator[](unsigned Idx) const {
332     assert (Idx < Size && "Out-of-bounds Bit access.");
333     BitWord Mask = 1L << (Idx % BITWORD_SIZE);
334     return (Bits[Idx / BITWORD_SIZE] & Mask) != 0;
337   bool test(unsigned Idx) const {  in test()  argument
338     return (*this)[Idx];  in test()