[fickslaw][referencesystem] Move convenience functions to referencesys header

dumux/flux/fickslaw.hh

@@ -43,27 +43,6 @@ class FicksLawImplementation;
 template <class TypeTag, ReferenceSystemFormulation referenceSystem =  ReferenceSystemFormulation::massAveraged>
 using FicksLaw = FicksLawImplementation<TypeTag, GetPropType<TypeTag, Properties::FVGridGeometry>::discMethod, referenceSystem>;
 
-/*!
- * \ingroup Flux
- * \brief evaluates the density to be used in Fick's law based on the reference system
- */
-template<class VolumeVariables>
-typename VolumeVariables::PrimaryVariables::value_type
-massOrMolarDensity(const VolumeVariables& volVars, ReferenceSystemFormulation referenceSys, const int phaseIdx)
-{
-    return (referenceSys == ReferenceSystemFormulation::massAveraged) ? volVars.density(phaseIdx) : volVars.molarDensity(phaseIdx);
-}
-
-/*!
- * \ingroup Flux
- * \brief returns the mass or mole fraction to be used in Fick's law based on the reference system
- */
-template<class VolumeVariables>
-typename VolumeVariables::PrimaryVariables::value_type massOrMoleFraction(const VolumeVariables& volVars, ReferenceSystemFormulation referenceSys, const int phaseIdx, const int compIdx)
-{
-    return (referenceSys == ReferenceSystemFormulation::massAveraged) ? volVars.massFraction(phaseIdx, compIdx) : volVars.moleFraction(phaseIdx, compIdx);
-}
-
 } // end namespace Dumux
 
 #include <dumux/flux/cctpfa/fickslaw.hh>

dumux/flux/referencesystemformulation.hh

@@ -46,6 +46,28 @@ enum class ReferenceSystemFormulation
     massAveraged, molarAveraged
 };
 
+/*!
+ * \ingroup Flux
+ * \brief evaluates the density to be used in Fick's law based on the reference system
+ */
+template<class VolumeVariables>
+typename VolumeVariables::PrimaryVariables::value_type
+massOrMolarDensity(const VolumeVariables& volVars, ReferenceSystemFormulation referenceSys, const int phaseIdx)
+{
+    return (referenceSys == ReferenceSystemFormulation::massAveraged) ? volVars.density(phaseIdx) : volVars.molarDensity(phaseIdx);
+}
+
+/*!
+ * \ingroup Flux
+ * \brief returns the mass or mole fraction to be used in Fick's law based on the reference system
+ */
+template<class VolumeVariables>
+typename VolumeVariables::PrimaryVariables::value_type
+massOrMoleFraction(const VolumeVariables& volVars, ReferenceSystemFormulation referenceSys, const int phaseIdx, const int compIdx)
+{
+    return (referenceSys == ReferenceSystemFormulation::massAveraged) ? volVars.massFraction(phaseIdx, compIdx) : volVars.moleFraction(phaseIdx, compIdx);
+}
+
 } // end namespace Dumux
 
 #endif