Method GetOptionalDoubleParam

src/cpp/web-ifc/parsing/IfcLoader.cpp:718–732

   }

    double IfcLoader::GetOptionalDoubleParam(double defaultValue = 0) const
    {
      auto tk = GetTokenType();
      if (tk == IfcTokenType::REAL)
      {
        StepBack();
        return GetDoubleArgument();
      }
      if (tk == IfcTokenType::INTEGER)
      {
        StepBack();
        return GetIntArgument();
      }
      return defaultValue;
    }

    std::vector<uint32_t> IfcLoader::GetAllLines() const {
      std::vector<uint32_t> expressIDs;