| 783 | return calc_cpmolar_idealgas(); |
| 784 | } |
| 785 | double AbstractState::cvmolar() { |
| 786 | if (!_cvmolar) _cvmolar = calc_cvmolar(); |
| 787 | return _cvmolar; |
| 788 | } |
| 789 | double AbstractState::speed_sound() { |
| 790 | if (!_speed_sound) _speed_sound = calc_speed_sound(); |
| 791 | return _speed_sound; |