Pressio · fnrizzi · Sep 18, 2023 · Sep 17, 2023 · Sep 17, 2023 · Sep 17, 2023
diff --git a/include/pressiodemoapps/euler2d.hpp b/include/pressiodemoapps/euler2d.hpp
@@ -54,6 +54,7 @@
 #include "./mesh.hpp"
 #include "./schemes_info.hpp"
 #include "./impl/custom_bc_holder.hpp"
+#include "./gradient.hpp"
 #include "./euler_compute_energy.hpp"
 #include "./adapter_cpp.hpp"
 #include "./adapter_py.hpp"

diff --git a/include/pressiodemoapps/gradient.hpp b/include/pressiodemoapps/gradient.hpp
@@ -61,8 +61,10 @@ constexpr BoundaryFacesNormalGradientScheme defaultGradSchemeForBoundaryFaces =
 template<class MeshType, std::size_t MaxNumDofPerCell = 1>
 class GradientEvaluator
 {
+  using mesh_type = std::remove_cv_t<MeshType>;
+
 public:
-  explicit GradientEvaluator(const MeshType & mesh)
+  explicit GradientEvaluator(const mesh_type & mesh)
     : m_impl(mesh, defaultGradSchemeForBoundaryFaces)
   {
     if (mesh.dimensionality() != 2){
@@ -110,13 +112,13 @@ class GradientEvaluator
      it is not the actual name of the class.
      You do not need to know the actual type, just use auto.
   */
-  const auto & queryFace(typename MeshType::index_t cellGID, FacePosition fp) const{
+  const auto & queryFace(typename mesh_type::index_t cellGID, FacePosition fp) const{
     return m_impl.queryFace(cellGID, fp);
   }
 
 private:
-  using face_t = impl::Face<typename MeshType::scalar_type, typename MeshType::index_t, MaxNumDofPerCell>;
-  impl::GradientEvaluatorInternal<MeshType, face_t> m_impl;
+  using face_t = impl::Face<typename mesh_type::scalar_type, typename mesh_type::index_t, MaxNumDofPerCell>;
+  impl::GradientEvaluatorInternal<mesh_type, face_t> m_impl;
 };
 
 }//end namespace pressiodemoapps

diff --git a/include/pressiodemoapps/impl/euler_2d_prob_class.hpp b/include/pressiodemoapps/impl/euler_2d_prob_class.hpp
@@ -135,10 +135,10 @@ class EigenApp
 	   const int icIdentifier,
 	   const std::vector<scalar_type> & icParameters,
 	   const std::vector<scalar_type> & physParameters)
-    : m_probEn(probEnum), m_icIdentifier(icIdentifier), m_meshObj(meshObj),
-      m_recEn(recEnum), m_fluxEn(fluxEnum),
-      m_ic_parameters(icParameters),
-      m_phys_parameters(physParameters)
+    : m_probEn(probEnum), m_icIdentifier(icIdentifier), m_meshObj(meshObj)
+    , m_recEn(recEnum), m_fluxEn(fluxEnum)
+    , m_ic_parameters(icParameters)
+    , m_phys_parameters(physParameters)
   {
     m_numDofStencilMesh = m_meshObj.get().stencilMeshSize() * numDofPerCell;
     m_numDofSampleMesh  = m_meshObj.get().sampleMeshSize() * numDofPerCell;
@@ -154,11 +154,11 @@ class EigenApp
 	   const int icIdentifier,
 	   const std::vector<scalar_type> & icParameters,
 	   const std::vector<scalar_type> & physParameters)
-    : m_probEn(probEnum), m_icIdentifier(icIdentifier), m_meshObj(meshObj),
-      m_recEn(recEnum), m_fluxEn(fluxEnum),
-      m_ic_parameters(icParameters),
-      m_phys_parameters(physParameters),
-      m_bcFuncsHolder(std::move(bcHolder))
+    : m_probEn(probEnum), m_icIdentifier(icIdentifier), m_meshObj(meshObj)
+    , m_recEn(recEnum), m_fluxEn(fluxEnum)
+    , m_ic_parameters(icParameters)
+    , m_phys_parameters(physParameters)
+    , m_bcFuncsHolder(std::move(bcHolder))
   {
     m_numDofStencilMesh = m_meshObj.get().stencilMeshSize() * numDofPerCell;
     m_numDofSampleMesh  = m_meshObj.get().sampleMeshSize() * numDofPerCell;
@@ -174,11 +174,11 @@ class EigenApp
 	   const std::vector<scalar_type> & icParameters,
 	   const std::vector<scalar_type> & physParameters)
 	   // scalar_type inletXVel,, scalar_type bottomYVel, scalar_type density)
-    : m_probEn(::pressiodemoapps::Euler2d::CrossShock),
-      m_icIdentifier(icIdentifier), m_meshObj(meshObj),
-      m_recEn(recEnum), m_fluxEn(fluxEnum),
-      m_ic_parameters(icParameters),
-      m_phys_parameters(physParameters)
+    : m_probEn(::pressiodemoapps::Euler2d::CrossShock)
+    , m_icIdentifier(icIdentifier), m_meshObj(meshObj)
+    , m_recEn(recEnum), m_fluxEn(fluxEnum)
+    , m_ic_parameters(icParameters)
+    , m_phys_parameters(physParameters)
   {
     m_numDofStencilMesh = m_meshObj.get().stencilMeshSize() * numDofPerCell;
     m_numDofSampleMesh  = m_meshObj.get().sampleMeshSize() * numDofPerCell;

diff --git a/include/pressiodemoapps/impl/gradient_2d.hpp b/include/pressiodemoapps/impl/gradient_2d.hpp
@@ -191,6 +191,9 @@ class GradientEvaluatorInternal
       if the mesh stencil size == 7, we use a three point one-sided FD
         - we could make this bigger later
      */
+    // std::ofstream file1; file1.open("gigi.txt");
+    // for (int i=0;i <field.size(); ++i){ file1 << std::setprecision(14) << field(i) << '\n'; }
+    // file1.close();
 
     // determine the FD stencil using mesh stencil size
     const int ss = m_meshObj.get().stencilSize();

diff --git a/include/pressiodemoapps/swe2d.hpp b/include/pressiodemoapps/swe2d.hpp
@@ -54,6 +54,7 @@
 #include "./mesh.hpp"
 #include "./schemes_info.hpp"
 #include "./impl/custom_bc_holder.hpp"
+#include "./gradient.hpp"
 #include "./adapter_cpp.hpp"
 #include "./adapter_py.hpp"
 

diff --git a/tests_cpp/CMakeLists.txt b/tests_cpp/CMakeLists.txt
@@ -61,6 +61,7 @@ add_subdirectory(eigen_2d_euler_smooth_implicit)
 add_subdirectory(eigen_2d_euler_normal_shock_explicit)
 add_subdirectory(eigen_2d_euler_normal_shock_implicit)
 add_subdirectory(eigen_2d_euler_riemann_explicit)
+add_subdirectory(eigen_2d_euler_riemann_explicit_with_gradients)
 add_subdirectory(eigen_2d_euler_riemann_implicit)
 add_subdirectory(eigen_2d_euler_sedov_explicit)
 add_subdirectory(eigen_2d_euler_sedov_implicit)

diff --git a/tests_cpp/eigen_2d_euler_riemann_explicit_with_gradients/CMakeLists.txt b/tests_cpp/eigen_2d_euler_riemann_explicit_with_gradients/CMakeLists.txt
@@ -0,0 +1,4 @@
+
+add_subdirectory(firstorder)
+add_subdirectory(weno3)
+add_subdirectory(weno5)
diff --git a/tests_cpp/eigen_2d_euler_riemann_explicit_with_gradients/compare.py b/tests_cpp/eigen_2d_euler_riemann_explicit_with_gradients/compare.py
@@ -0,0 +1,18 @@
+
+import numpy as np
+import sys, os
+
+if __name__== "__main__":
+  goldInit  = np.loadtxt("grad_gold_init.txt")
+  goldFinal = np.loadtxt("grad_gold_final.txt")
+
+  Dinit  = np.loadtxt("grad_result_init.txt")
+  Dfinal = np.loadtxt("grad_result_final.txt")
+
+  assert(np.allclose(goldInit.shape, Dinit.shape))
+  assert(np.isnan(Dinit).all() == False)
+  assert(np.allclose(goldInit, Dinit, rtol=1e-8, atol=1e-8))
+
+  assert(np.allclose(goldFinal.shape, Dfinal.shape))
+  assert(np.isnan(Dfinal).all() == False)
+  assert(np.allclose(goldFinal, Dfinal, rtol=1e-8, atol=1e-8))
diff --git a/tests_cpp/eigen_2d_euler_riemann_explicit_with_gradients/firstorder/CMakeLists.txt b/tests_cpp/eigen_2d_euler_riemann_explicit_with_gradients/firstorder/CMakeLists.txt
@@ -0,0 +1,19 @@
+
+set(testname eigen_2d_riemann_firstorder_explicit_with_gradients)
+set(exename  ${testname}_exe)
+
+configure_file(../plot.py plot.py COPYONLY)
+configure_file(../compare.py compare.py COPYONLY)
+configure_file(grad_gold_init.txt grad_gold_init.txt COPYONLY)
+configure_file(grad_gold_final.txt grad_gold_final.txt COPYONLY)
+
+add_executable(${exename} ${CMAKE_CURRENT_SOURCE_DIR}/../main.cc)
+
+add_test(NAME ${testname}
+COMMAND ${CMAKE_COMMAND}
+-DMESHDRIVER=${MESHSRC}/create_full_mesh.py
+-DOUTDIR=${CMAKE_CURRENT_BINARY_DIR}
+-DEXENAME=$<TARGET_FILE:${exename}>
+-DSTENCILVAL=3
+-P ${CMAKE_CURRENT_SOURCE_DIR}/../test.cmake
+)
diff --git a/tests_cpp/eigen_2d_euler_riemann_explicit_with_gradients/firstorder/grad_gold_final.txt b/tests_cpp/eigen_2d_euler_riemann_explicit_with_gradients/firstorder/grad_gold_final.txt
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diff --git a/tests_cpp/eigen_2d_euler_riemann_explicit_with_gradients/firstorder/grad_gold_init.txt b/tests_cpp/eigen_2d_euler_riemann_explicit_with_gradients/firstorder/grad_gold_init.txt
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