Method initCompressor

LASzip/src/integercompressor.cpp:219–262

}

void IntegerCompressor::initCompressor()
{
  U32 i;

  assert(enc);

  // maybe create the models
  if (mBits == 0)
  {
    mBits = new ArithmeticModel*[contexts];
    for (i = 0; i < contexts; i++)
    {
      mBits[i] = enc->createSymbolModel(corr_bits+1);
    }
#ifndef COMPRESS_ONLY_K
    mCorrector = new ArithmeticModel*[corr_bits+1];
    mCorrector[0] = (ArithmeticModel*)enc->createBitModel();
    for (i = 1; i <= corr_bits; i++)
    {
      if (i <= bits_high)
      {
        mCorrector[i] = enc->createSymbolModel(1<<i);
      }
      else
      {
        mCorrector[i] = enc->createSymbolModel(1<<bits_high);
      }
    }
#endif
  }

  // certainly init the models
  for (i = 0; i < contexts; i++)
  {
    enc->initSymbolModel(mBits[i]);
  }
#ifndef COMPRESS_ONLY_K
  enc->initBitModel((ArithmeticBitModel*)mCorrector[0]);
  for (i = 1; i <= corr_bits; i++)
  {
    enc->initSymbolModel(mCorrector[i]);
  }
#endif
}

void IntegerCompressor::compress(I32 pred, I32 real, U32 context)
{