| 192 | } |
| 193 | |
| 194 | std::string FanSystemModel_Impl::speedControlMethod() const { |
| 195 | boost::optional<std::string> value = getString(OS_Fan_SystemModelFields::SpeedControlMethod, true); |
| 196 | OS_ASSERT(value); |
| 197 | return value.get(); |
| 198 | } |
| 199 | |
| 200 | double FanSystemModel_Impl::electricPowerMinimumFlowRateFraction() const { |
| 201 | boost::optional<double> value = getDouble(OS_Fan_SystemModelFields::ElectricPowerMinimumFlowRateFraction, true); |