Method Reset

be/src/benchmarks/bit-packing-benchmark.cc:305–312

Resets the read to start reading from the start of 'buffer'. The buffer's length is 'buffer_len'. Does not take ownership of the buffer.

  /// Resets the read to start reading from the start of 'buffer'. The buffer's
  /// length is 'buffer_len'. Does not take ownership of the buffer.
  void Reset(const uint8_t* buffer, int buffer_len) {
    buffer_ = buffer;
    max_bytes_ = buffer_len;
    byte_offset_ = 0;
    bit_offset_ = 0;
    int num_bytes = std::min(8, max_bytes_);
    memcpy(&buffered_values_, buffer_, num_bytes);
  }

  /// Gets the next value from the buffer.  Returns true if 'v' could be read or false if
  /// there are not enough bytes left. num_bits must be <= 32.