Cover both density mass and EOS source in closure quadrature

libmeanfield/impl/operators/prepared_barotropic_closure.cpp

@@ -146,7 +146,19 @@ namespace {
                 mean_field::quadrature::MappingKind::general
             );
 
-        const auto resolution = f.quadratureFactory->get(query, transformation.GetGeometryType());
+        const auto sourceResolution = f.quadratureFactory->get(query, transformation.GetGeometryType());
+        // Enriching density independently can make rho*q higher order than
+        // rho(h)*q. Resolve both through the policy so fixed-order overrides
+        // retain their meaning while the shared rule covers both forms.
+        const auto massQuery = mean_field::field::Field<mean_field::field::Density>::make_query<
+            mean_field::field::Density::Form::EosClosureMass>(
+            mean_field::quadrature::QuadratureRole::discretization, transformation.OrderW(), {},
+            mean_field::utils::DOMAINS::STELLAR, mean_field::quadrature::MappingKind::general
+        );
+        const auto massResolution = f.quadratureFactory->get(massQuery, transformation.GetGeometryType());
+        const auto &resolution = sourceResolution.resolution.order >= massResolution.resolution.order
+                                     ? sourceResolution
+                                     : massResolution;
 
         MFEM_VERIFY(
             resolution.integration_rule != nullptr,