public Pressure p()
 {
     if (Environment.Is64BitProcess)
     {
         return(Pressure.FromPascals(CoolPropPINVOKE64.AbstractState_p(swigCPtr)));
     }
     else
     {
         return(Pressure.FromPascals(CoolPropPINVOKE.AbstractState_p(swigCPtr)));
     }
 }