feat(surface): major work on implementing surface constraints in a presciption agnostic manner

libmeanfield/impl/operators/kernels/barotropic_closure_kernels.cpp

@@ -12,6 +12,8 @@ import :field.registry;
 import :utils.domain;
 
 namespace {
+    namespace eos       = mean_field::eos;
+
     using DomainSchema  = mean_field::utils::domain::CoreEnvelopeVacuumDomainSchema;
     using ClosureDomain = mean_field::field::FieldDomainT<mean_field::field::Density>;
 
@@ -336,11 +338,21 @@ namespace {
                     if (closureAction == ClosureAction::residual) {
                         const double density = elementDensityInput * densityShape;
 
-                        integrand            = density - barotrope.density_from_enthalpy(baseEnthalpy);
+                        const double equationOfStateDensity =
+                            eos::evaluate<eos::quantity::Density>(barotrope, eos::SpecificEnthalpyValue{baseEnthalpy})
+                                .value();
+
+                        integrand = density - equationOfStateDensity;
                     } else {
                         const double enthalpyVariation = elementEnthalpyVariation * enthalpyShape;
 
-                        integrand = -barotrope.density_derivative_from_enthalpy(baseEnthalpy) * enthalpyVariation;
+                        const double densityDerivative =
+                            eos::partialDerivative<eos::quantity::Density, eos::quantity::SpecificEnthalpy>(
+                                barotrope, eos::SpecificEnthalpyValue{baseEnthalpy}
+                            )
+                                .value();
+
+                        integrand = -densityDerivative * enthalpyVariation;
                     }
                 }
 
@@ -628,11 +640,14 @@ namespace mean_field::operators::kernels {
 
                 enthalpyElement.CalcShape(integrationPoint, enthalpyShape);
 
-                const double densityValue        = elementBaseDensity * densityShape;
+                const double densityValue  = elementBaseDensity * densityShape;
 
-                const double enthalpyValue       = elementBaseEnthalpy * enthalpyShape;
+                const double enthalpyValue = elementBaseEnthalpy * enthalpyShape;
 
-                const double closureValue        = densityValue - barotrope.density_from_enthalpy(enthalpyValue);
+                const double equationOfStateDensity =
+                    eos::evaluate<eos::quantity::Density>(barotrope, eos::SpecificEnthalpyValue{enthalpyValue}).value();
+
+                const double closureValue        = densityValue - equationOfStateDensity;
 
                 const double geometryActionValue = closureValue * mappingVariation.weight_variation;