void ACSequentialScan::OptimizeDC(void)
{
  JPG_THROW(NOT_IMPLEMENTED,"ACSequentialScan::OptimizeDC",
            "Rate-distortion optimization is not implemented for arithmetic coding");
}
void ACSequentialScan::OptimizeDC(void)
{
  JPG_THROW(NOT_IMPLEMENTED,"ACSequentialScan::OptimizeDC",
            "Rate-distortion optimization is not implemented for arithmetic coding");
}