refactor: move includes into subdirectory 'tug'

src/BTCS.cpp

@@ -1,7 +1,8 @@
-#include <Diffusion.hpp>
-#include <Solver.hpp>
 #include <array>
 #include <iostream>
+#include <tug/BoundaryCondition.hpp>
+#include <tug/Diffusion.hpp>
+#include <tug/Solver.hpp>
 
 #include <Eigen/Dense>
 #include <Eigen/Sparse>
@@ -10,7 +11,6 @@
 #include <chrono>
 #include <vector>
 
-#include "BoundaryCondition.hpp"
 #include "TugUtils.hpp"
 
 #ifdef _OPENMP

src/BoundaryCondition.cpp

@@ -1,8 +1,8 @@
 #include <algorithm>
 #include <bits/stdint-uintn.h>
+#include <tug/BoundaryCondition.hpp>
 #include <vector>
 
-#include "BoundaryCondition.hpp"
 #include "TugUtils.hpp"
 
 constexpr uint8_t DIM_1D = 2;

src/Solver.cpp

@@ -1,5 +1,5 @@
 #include <bits/stdint-uintn.h>
-#include <Solver.hpp>
+#include <tug/Solver.hpp>
 
 #include <Eigen/Dense>
 #include <Eigen/Sparse>

test/testBoundaryCondition.cpp

@@ -1,5 +1,5 @@
-#include <BoundaryCondition.hpp>
 #include <doctest/doctest.h>
+#include <tug/BoundaryCondition.hpp>
 
 using namespace tug::bc;
 

test/testDiffusion.cpp

@@ -1,8 +1,8 @@
-#include "Diffusion.hpp"
-#include "Solver.hpp"
-#include <BoundaryCondition.hpp>
 #include <bits/stdint-uintn.h>
 #include <doctest/doctest.h>
+#include <tug/BoundaryCondition.hpp>
+#include <tug/Diffusion.hpp>
+#include <tug/Solver.hpp>
 #include <vector>
 
 using namespace tug::bc;