24 #ifndef __RECTLINE_H__ 
   25 #define __RECTLINE_H__ 
std::complex< nr_double_t > nr_complex_t
 
base class for qucs circuit elements. 
 
void calcResistivity(char *, nr_double_t)
 
void calcPropagation(nr_double_t)
 
void calcNoiseAC(nr_double_t)
 
void saveCharacteristics(nr_complex_t)
 
void calcNoiseSP(nr_double_t)