# Rautian profile based on HTP.
    # Input parameters:
    #      sg0     : Unperturbed line position in cm-1 (Input).
    #      GamD    : Doppler HWHM in cm-1 (Input)
    #      Gam0    : Speed-averaged line-width in cm-1 (Input).       
    #      anuVC   : Velocity-changing frequency in cm-1 (Input).
    #      Shift0  : Speed-averaged line-shift in cm-1 (Input).
    #      sg      : Current WaveNumber of the Computation in cm-1 (Input).

def PROFILE_RAUTIAN(sg0,GamD,Gam0,Shift0,anuVC,eta,sg):
    """
    # Rautian profile based on HTP.
    # Input parameters:
    #      sg0     : Unperturbed line position in cm-1 (Input).
    #      GamD    : Doppler HWHM in cm-1 (Input)
    #      Gam0    : Speed-averaged line-width in cm-1 (Input).       
    #      anuVC   : Velocity-changing frequency in cm-1 (Input).
    #      Shift0  : Speed-averaged line-shift in cm-1 (Input).
    #      sg      : Current WaveNumber of the Computation in cm-1 (Input).
    """
    return pcqsdhc(sg0,GamD,Gam0,cZero,Shift0,cZero,anuVC,cZero,sg)