int unpack32_default()

in cpp/src/arrow/util/bpacking.cc [41:150]

• 108 lines of code
• 67 McCabe index (conditional complexity)

int unpack32_default(const uint32_t* in, uint32_t* out, int batch_size, int num_bits) {
  batch_size = batch_size / 32 * 32;
  int num_loops = batch_size / 32;

  switch (num_bits) {
    case 0:
      for (int i = 0; i < num_loops; ++i) in = nullunpacker32(in, out + i * 32);
      break;
    case 1:
      for (int i = 0; i < num_loops; ++i) in = unpack1_32(in, out + i * 32);
      break;
    case 2:
      for (int i = 0; i < num_loops; ++i) in = unpack2_32(in, out + i * 32);
      break;
    case 3:
      for (int i = 0; i < num_loops; ++i) in = unpack3_32(in, out + i * 32);
      break;
    case 4:
      for (int i = 0; i < num_loops; ++i) in = unpack4_32(in, out + i * 32);
      break;
    case 5:
      for (int i = 0; i < num_loops; ++i) in = unpack5_32(in, out + i * 32);
      break;
    case 6:
      for (int i = 0; i < num_loops; ++i) in = unpack6_32(in, out + i * 32);
      break;
    case 7:
      for (int i = 0; i < num_loops; ++i) in = unpack7_32(in, out + i * 32);
      break;
    case 8:
      for (int i = 0; i < num_loops; ++i) in = unpack8_32(in, out + i * 32);
      break;
    case 9:
      for (int i = 0; i < num_loops; ++i) in = unpack9_32(in, out + i * 32);
      break;
    case 10:
      for (int i = 0; i < num_loops; ++i) in = unpack10_32(in, out + i * 32);
      break;
    case 11:
      for (int i = 0; i < num_loops; ++i) in = unpack11_32(in, out + i * 32);
      break;
    case 12:
      for (int i = 0; i < num_loops; ++i) in = unpack12_32(in, out + i * 32);
      break;
    case 13:
      for (int i = 0; i < num_loops; ++i) in = unpack13_32(in, out + i * 32);
      break;
    case 14:
      for (int i = 0; i < num_loops; ++i) in = unpack14_32(in, out + i * 32);
      break;
    case 15:
      for (int i = 0; i < num_loops; ++i) in = unpack15_32(in, out + i * 32);
      break;
    case 16:
      for (int i = 0; i < num_loops; ++i) in = unpack16_32(in, out + i * 32);
      break;
    case 17:
      for (int i = 0; i < num_loops; ++i) in = unpack17_32(in, out + i * 32);
      break;
    case 18:
      for (int i = 0; i < num_loops; ++i) in = unpack18_32(in, out + i * 32);
      break;
    case 19:
      for (int i = 0; i < num_loops; ++i) in = unpack19_32(in, out + i * 32);
      break;
    case 20:
      for (int i = 0; i < num_loops; ++i) in = unpack20_32(in, out + i * 32);
      break;
    case 21:
      for (int i = 0; i < num_loops; ++i) in = unpack21_32(in, out + i * 32);
      break;
    case 22:
      for (int i = 0; i < num_loops; ++i) in = unpack22_32(in, out + i * 32);
      break;
    case 23:
      for (int i = 0; i < num_loops; ++i) in = unpack23_32(in, out + i * 32);
      break;
    case 24:
      for (int i = 0; i < num_loops; ++i) in = unpack24_32(in, out + i * 32);
      break;
    case 25:
      for (int i = 0; i < num_loops; ++i) in = unpack25_32(in, out + i * 32);
      break;
    case 26:
      for (int i = 0; i < num_loops; ++i) in = unpack26_32(in, out + i * 32);
      break;
    case 27:
      for (int i = 0; i < num_loops; ++i) in = unpack27_32(in, out + i * 32);
      break;
    case 28:
      for (int i = 0; i < num_loops; ++i) in = unpack28_32(in, out + i * 32);
      break;
    case 29:
      for (int i = 0; i < num_loops; ++i) in = unpack29_32(in, out + i * 32);
      break;
    case 30:
      for (int i = 0; i < num_loops; ++i) in = unpack30_32(in, out + i * 32);
      break;
    case 31:
      for (int i = 0; i < num_loops; ++i) in = unpack31_32(in, out + i * 32);
      break;
    case 32:
      for (int i = 0; i < num_loops; ++i) in = unpack32_32(in, out + i * 32);
      break;
    default:
      DCHECK(false) << "Unsupported num_bits";
  }

  return batch_size;
}