ThermoSysPro Version 4.1
## Copyright © EDF 2002 - 2025
## ThermoSysPro Version 4.2
function CubicHermite input Real x "Abscissa value"; input Real x1 "Lower abscissa value"; input Real x2 "Upper abscissa value"; input Real y1 "Lower ordinate value"; input Real y2 "Upper ordinate value"; input Real y1d "Lower gradient"; input Real y2d "Upper gradient"; output Real y "Interpolated ordinate value"; end CubicHermite;