| 285 | } |
| 286 | |
| 287 | void cRawBitArray::INCREMENT(const int num_bits) |
| 288 | { |
| 289 | const int num_fields = GetNumFields(num_bits); |
| 290 | int i = 0; |
| 291 | for (i = 0; i < num_fields; i++) { |
| 292 | bit_fields[i]++; |
| 293 | if (bit_fields[i] != 0) { break; } // no overflow, do not need to increment higher fields |
| 294 | } |
| 295 | |
| 296 | // if highest bit field was incremented, mask out any unused portions of the field so as not to confuse CountBits |
| 297 | if (i == num_fields - 1) { |
| 298 | unsigned int shift_mask = 0xffffffff >> (32 - (num_bits % 32)); |
| 299 | bit_fields[num_fields - 1] &= shift_mask; |
| 300 | } |
| 301 | } |
| 302 | |
| 303 | |
| 304 | |