From 6393629aa0f013c127ffcd728d86ccccf911f2d4 Mon Sep 17 00:00:00 2001
From: Francesco Rizzi <fnrizzi@sandia.gov>
Date: Mon, 24 May 2021 20:32:08 +0200
Subject: [PATCH] add comment to clarify things

---
 include/impl/advection1d/eigen_linear.hpp | 4 ++++
 include/impl/euler1d/eigen_app.hpp        | 5 +++++
 include/impl/euler2d/eigen_app.hpp        | 4 ++++
 3 files changed, 13 insertions(+)

diff --git a/include/impl/advection1d/eigen_linear.hpp b/include/impl/advection1d/eigen_linear.hpp
index a569ed20..d3b13e12 100644
--- a/include/impl/advection1d/eigen_linear.hpp
+++ b/include/impl/advection1d/eigen_linear.hpp
@@ -2,6 +2,10 @@
 #ifndef PRESSIODEMOAPPS_LINEAR_ADVECTION_1D_HPP_
 #define PRESSIODEMOAPPS_LINEAR_ADVECTION_1D_HPP_
 
+// note that the code below is pretty ugly for now, but it works.
+// this is inside impl namespace for a reason, and will need to be 
+// improved later on but we have a starting point.
+
 namespace pressiodemoapps{ namespace ad{ namespace impl{
 
 template<class scalar_t, class mesh_t>
diff --git a/include/impl/euler1d/eigen_app.hpp b/include/impl/euler1d/eigen_app.hpp
index ffef615c..904773e2 100644
--- a/include/impl/euler1d/eigen_app.hpp
+++ b/include/impl/euler1d/eigen_app.hpp
@@ -2,6 +2,11 @@
 #ifndef PRESSIODEMOAPPS_EULER1D_APP_HPP_
 #define PRESSIODEMOAPPS_EULER1D_APP_HPP_
 
+// note that the code below is pretty ugly for now, but it works.
+// this is inside impl namespace for a reason, and will need to be 
+// improved later on but we have a starting point.
+
+
 /*
   probid = 1 (Sod) taken from: https://www.mdpi.com/2227-7390/6/10/211/pdf
  */
diff --git a/include/impl/euler2d/eigen_app.hpp b/include/impl/euler2d/eigen_app.hpp
index 5d05612f..f8db325b 100644
--- a/include/impl/euler2d/eigen_app.hpp
+++ b/include/impl/euler2d/eigen_app.hpp
@@ -2,6 +2,10 @@
 #ifndef PRESSIODEMOAPPS_EULER2D_HPP_
 #define PRESSIODEMOAPPS_EULER2D_HPP_
 
+// note that the code below is pretty ugly for now, but it works.
+// this is inside impl namespace for a reason, and will need to be 
+// improved later on but we have a starting point.
+
 /*
   problemId = 0: generic problem with periodic BC so ghosts are not used
   problemId = 1: Sedov