#[cfg(feature = "gc_pcsaft")]

use crate::gc_pcsaft::GcPcSaft;

#[cfg(feature = "pcsaft")]

use crate::pcsaft::PcSaft;

#[cfg(feature = "pets")]

use crate::pets::Pets;

#[cfg(feature = "saftvrqmie")]

use crate::saftvrqmie::SaftVRQMie;

#[cfg(feature = "uvtheory")]

use crate::uvtheory::UVTheory;

use feos_core::cubic::PengRobinson;

#[cfg(feature = "python")]

use feos_core::python::user_defined::PyEoSObj;

use feos_core::*;

use feos_derive::EquationOfState;

use ndarray::Array1;

use quantity::si::*;

/// Collection of different [EquationOfState] implementations.

///

/// Particularly relevant for situations in which generic types

/// are undesirable (e.g. FFI).

#[derive(EquationOfState)]

pub enum EosVariant {

#[cfg(feature = "pcsaft")]

#[implement(entropy_scaling, molar_weight)]

PcSaft(PcSaft),

#[cfg(feature = "gc_pcsaft")]

#[implement(molar_weight)]

GcPcSaft(GcPcSaft),

#[implement(molar_weight)]

PengRobinson(PengRobinson),

#[cfg(feature = "python")]

#[implement(molar_weight)]

Python(PyEoSObj),

#[cfg(feature = "saftvrqmie")]

#[implement(molar_weight)]

SaftVRQMie(SaftVRQMie),

#[cfg(feature = "pets")]

#[implement(molar_weight)]

Pets(Pets),

#[cfg(feature = "uvtheory")]

UVTheory(UVTheory),

}