diff --git a/cmake/CMakeBasics.cmake b/cmake/CMakeBasics.cmake
index 93a1c1b..e8a16c6 100644
--- a/cmake/CMakeBasics.cmake
+++ b/cmake/CMakeBasics.cmake
@@ -6,6 +6,9 @@ else()
 
 endif()
 
+
+option( SHIVA_USE_CAMP "Enable CAMP" OFF )
+
 set( SHIVA_BUILD_OBJ_LIBS OFF CACHE BOOL "" )
 
 
diff --git a/docs/doxygen/ShivaConfig.hpp b/docs/doxygen/ShivaConfig.hpp
index d89803f..60280dc 100644
--- a/docs/doxygen/ShivaConfig.hpp
+++ b/docs/doxygen/ShivaConfig.hpp
@@ -8,8 +8,8 @@
 
 #define SHIVA_VERSION_PATCHLEVEL 0
 
-/* #undef SHIVA_USE_CUDA */
 
-/* #undef SHIVA_USE_HIP */
 
 /* #undef SHIVA_USE_CALIPER */
+
+/* #undef SHIVA_USE_CAMP */
diff --git a/scripts/aggregateOrSplit.py b/scripts/aggregateOrSplit.py
new file mode 100644
index 0000000..89baa12
--- /dev/null
+++ b/scripts/aggregateOrSplit.py
@@ -0,0 +1,201 @@
+import os
+import re
+import argparse
+
+class HeaderFileManager:
+    def __init__(self):
+        self.dependencies = {}  # Dictionary of header files and their dependencies
+        self.dependents = {}   # Dictionary of header files and their dependents
+        self.included = set()  # Tracks already processed files
+        self.included_list = []
+        self.config_file = "ShivaConfig.hpp"
+
+    def create_dependency_graph(self, header, include_paths=None):
+        """
+        Creates a dependency graph for the given header file, resolving dependencies from:
+        1. The same directory as the file being parsed.
+        2. A relative path specified in the #include directive.
+        3. A list of include paths (e.g., provided in the compile line).
+        """
+        if include_paths is None:
+            include_paths = []
+
+        if header in self.dependencies:
+            return  # Already processed
+
+        self.dependencies[header] = set()
+        base_path = os.path.dirname(os.path.abspath(header))  # Base directory of the current header
+
+        try:
+            with open(header, 'r') as file:
+                for line in file:
+                    include_match = re.match(r'#include\s+"([^"]+)"', line)
+                    if include_match:
+                        included_file = include_match.group(1)
+
+                        if included_file != self.config_file:
+                            resolved_path = self.resolve_path(
+                                included_file, base_path, include_paths)
+
+                            if resolved_path:
+                                self.dependencies[header].add(resolved_path)
+
+                                if os.path.exists(resolved_path):
+                                    # Recursively process the resolved file
+                                    self.create_dependency_graph(resolved_path, include_paths)
+                                else:
+                                    raise FileNotFoundError(f"Dependency not found: {resolved_path}")
+                            else:
+                                raise FileNotFoundError(
+                                    f"Unable to resolve dependency: {included_file}")
+        except Exception as e:
+            print(f"Error processing {header}: {e}")
+
+        # Update dependents
+        for dependency in self.dependencies[header]:
+            if dependency not in self.dependents:
+                self.dependents[dependency] = set()
+            self.dependents[dependency].add(header)
+
+    def resolve_path(self, included_file, base_path, include_paths):
+        """
+        Resolves the path of an included file using the following order:
+        1. Check if the file exists in the same directory as the current file.
+        2. Check if the file exists using a relative path.
+        3. Check if the file exists in any of the provided include paths.
+        """
+        # 1. Check in the same directory
+        same_dir_path = os.path.join(base_path, included_file)
+        if os.path.exists(same_dir_path):
+            return os.path.normpath(same_dir_path)
+
+        # 2. Check using the relative path
+        relative_path = os.path.normpath(os.path.join(base_path, included_file))
+        if os.path.exists(relative_path):
+            return relative_path
+
+        # 3. Check in the include paths
+        for include_path in include_paths:
+            candidate_path = os.path.normpath(os.path.join(include_path, included_file))
+            if os.path.exists(candidate_path):
+                return candidate_path
+
+        return None  # Return None if no resolution was possible
+
+    def generate_header_list(self):
+        remaining_dependencies = self.dependencies.copy()
+        size_of_remaining_dependencies = len(remaining_dependencies)
+
+        while size_of_remaining_dependencies > 0:
+            local_included = []
+
+            for key in remaining_dependencies:
+                if len(remaining_dependencies[key]) == 0:
+                    self.included_list.append(key)
+                    local_included.append(key)
+
+            for included_key in local_included:
+                del remaining_dependencies[included_key]
+
+                for key in remaining_dependencies:
+                    if included_key in remaining_dependencies[key]:
+                        remaining_dependencies[key].remove(included_key)
+
+            size_of_remaining_dependencies = len(remaining_dependencies)
+
+    def aggregate_headers(self, headers, output_file, include_paths=None):
+        """
+        Aggregates header files into a single file, resolving dependencies.
+        """
+        def process_header(header_path, output):
+            """
+            Processes a single header file, commenting out includes and pragmas.
+            """
+            if header_path in self.included:
+                return  # Avoid duplicate processing
+            self.included.add(header_path)
+
+            with open(header_path, 'r') as file:
+                output.write(f"\n\n// ===== Start of {header_path} =====\n")
+                for line in file:
+                    include_match = re.match(r'#include\s+"([^"]+)"', line)
+                    pragma_once_match = re.match(r'#pragma\s+once', line, re.IGNORECASE)
+                    if include_match:
+                        # Comment out include statements
+                        output.write(f"// {line.strip()}\n")
+                    elif pragma_once_match:
+                        # Comment out #pragma once
+                        output.write(f"// {line.strip()}\n")
+                    else:
+                        # Write all other lines as is
+                        output.write(line)
+                output.write(f"// ===== End of {header_path} =====\n")
+
+        with open(output_file, 'w') as output:
+            for header in headers:
+                self.create_dependency_graph(header, include_paths)
+            
+            for header in self.dependencies:
+                print( f"Header: {header} -> {self.dependencies[header]}\n")
+            print( "\n\n")
+
+            self.generate_header_list()
+            print( f"Header List: {self.included_list}\n")
+
+            for header in self.included_list:
+                process_header(header, output)
+
+    def split_aggregated_file(self, aggregated_file, output_dir):
+        """
+        Splits an aggregated file back into individual header files.
+        """
+        os.makedirs(output_dir, exist_ok=True)
+        current_file = None
+        output = None
+
+        with open(aggregated_file, 'r') as agg_file:
+            for line in agg_file:
+                start_match = re.match(r'// ===== Start of (.+) =====', line)
+                end_match = re.match(r'// ===== End of (.+) =====', line)
+
+                if start_match:
+                    if output:
+                        output.close()
+                    current_file = start_match.group(1)
+                    output = open(os.path.join(output_dir, current_file), 'w')
+                elif end_match:
+                    if output:
+                        output.close()
+                        output = None
+                elif output:
+                    output.write(line)
+
+        if output:
+            output.close()
+
+# Command-line interface
+def main():
+    parser = argparse.ArgumentParser(description="Aggregate or split header files.")
+    subparsers = parser.add_subparsers(dest="command", required=True)
+
+    # Aggregate command
+    aggregate_parser = subparsers.add_parser("aggregate", help="Aggregate header files into a single file.")
+    aggregate_parser.add_argument("headers", nargs='+', help="List of header files to aggregate.")
+    aggregate_parser.add_argument("output", help="Output file for the aggregated headers.")
+    aggregate_parser.add_argument("--include-paths", nargs='*', default=[os.getcwd()], help="List of include paths to resolve dependencies. Defaults to the current directory.")
+
+    # Split command
+    split_parser = subparsers.add_parser("split", help="Split an aggregated file into individual header files.")
+    split_parser.add_argument("aggregated_file", help="Aggregated header file to split.")
+    split_parser.add_argument("output_dir", help="Directory to store the split header files.")
+
+    args = parser.parse_args()
+    manager = HeaderFileManager()
+
+    if args.command == "aggregate":
+        manager.aggregate_headers(args.headers, args.output, args.include_paths)
+    elif args.command == "split":
+        manager.split_aggregated_file(args.aggregated_file, args.output_dir)
+
+if __name__ == "__main__":
+    main()
diff --git a/src/ShivaConfig.hpp.in b/src/ShivaConfig.hpp.in
index 6c01b1d..b771e87 100644
--- a/src/ShivaConfig.hpp.in
+++ b/src/ShivaConfig.hpp.in
@@ -8,8 +8,8 @@
 
 #define SHIVA_VERSION_PATCHLEVEL @SHIVA_VERSION_PATCHLEVEL@
 
-#cmakedefine SHIVA_USE_CUDA
 
-#cmakedefine SHIVA_USE_HIP
 
-#cmakedefine SHIVA_USE_CALIPER
\ No newline at end of file
+#cmakedefine SHIVA_USE_CALIPER
+
+#cmakedefine SHIVA_USE_CAMP
diff --git a/src/common/ShivaMacros.hpp b/src/common/ShivaMacros.hpp
index 23ad5f6..47bd8a5 100644
--- a/src/common/ShivaMacros.hpp
+++ b/src/common/ShivaMacros.hpp
@@ -20,6 +20,13 @@
 
 #include "ShivaConfig.hpp"
 
+#if defined(__CUDA_ARCH__)
+#define SHIVA_USE_CUDA
+#elif defined(__HIP_ARCH__)
+#define SHIVA_USE_HIP
+#endif
+
+
 #if defined( SHIVA_USE_HIP )
 #include <hip/hip_runtime.h>
 #endif
diff --git a/src/common/types.hpp b/src/common/types.hpp
index ff2afd0..5730298 100644
--- a/src/common/types.hpp
+++ b/src/common/types.hpp
@@ -20,9 +20,8 @@
 #include "common/ShivaMacros.hpp"
 
 /// @brief Macro to define whether or not to use camp.
-#define SHIVA_USE_CAMP
 #if defined(SHIVA_USE_CAMP)
-#include <camp/camp.hpp>
+#include <camp/tuple.hpp>
 #else
 
 #if defined(SHIVA_USE_CUDA)
diff --git a/src/discretizations/unitTests/testParentElement.cpp b/src/discretizations/unitTests/testParentElement.cpp
index 682654c..82ea5e8 100644
--- a/src/discretizations/unitTests/testParentElement.cpp
+++ b/src/discretizations/unitTests/testParentElement.cpp
@@ -12,7 +12,7 @@
  */
 
 
-#include "../finiteElementMethod/parentElements/ParentElement.hpp"
+#include "discretizations/finiteElementMethod/parentElements/ParentElement.hpp"
 #include "functions/bases/LagrangeBasis.hpp"
 #include "functions/spacing/Spacing.hpp"
 #include "geometry/shapes/NCube.hpp"
diff --git a/src/geometry/mapping/JacobianTransforms.hpp b/src/geometry/mapping/JacobianTransforms.hpp
index 95f8b5b..2b533f5 100644
--- a/src/geometry/mapping/JacobianTransforms.hpp
+++ b/src/geometry/mapping/JacobianTransforms.hpp
@@ -13,6 +13,10 @@
 
 #pragma once
 
+#include "LinearTransform.hpp"
+#include "Scaling.hpp"
+#include "UniformScaling.hpp"
+
 namespace shiva
 {
 namespace geometry
diff --git a/src/geometry/mapping/LinearTransform.hpp b/src/geometry/mapping/LinearTransform.hpp
index c1aaa59..017c7d4 100644
--- a/src/geometry/mapping/LinearTransform.hpp
+++ b/src/geometry/mapping/LinearTransform.hpp
@@ -141,10 +141,10 @@ namespace utilities
  * called in the same way as the other geometry objects with constant Jacobian.
  * @tparam REAL_TYPE The floating point type.
  */
-template< typename REAL_TYPE, typename INTERPOLATED_SHAPE >
-SHIVA_STATIC_CONSTEXPR_HOSTDEVICE_FORCEINLINE void jacobian( LinearTransform< REAL_TYPE, INTERPOLATED_SHAPE > const &,//cell,
-                                                             typename LinearTransform< REAL_TYPE, INTERPOLATED_SHAPE >::JacobianType::type & )
-{}
+// template< typename REAL_TYPE, typename INTERPOLATED_SHAPE >
+// SHIVA_STATIC_CONSTEXPR_HOSTDEVICE_FORCEINLINE void jacobian( LinearTransform< REAL_TYPE, INTERPOLATED_SHAPE > const &,//cell,
+//                                                              typename LinearTransform< REAL_TYPE, INTERPOLATED_SHAPE >::JacobianType::type & )
+// {}
 
 /**
  * @brief Calculates the Jacobian transformation of a cuboid from a parent cuboid
@@ -182,6 +182,47 @@ jacobian( LinearTransform< REAL_TYPE, INTERPOLATED_SHAPE > const & transform,
   } );
 }
 
+
+
+
+template< typename QUADRATURE,
+          int ... QA,
+          typename REAL_TYPE,
+          typename INTERPOLATED_SHAPE >
+SHIVA_STATIC_CONSTEXPR_HOSTDEVICE_FORCEINLINE void
+jacobian( LinearTransform< REAL_TYPE, INTERPOLATED_SHAPE > const & transform,
+          typename LinearTransform< REAL_TYPE, INTERPOLATED_SHAPE >::JacobianType & J )
+{
+  using Transform = std::remove_reference_t< decltype(transform) >;
+  using InterpolatedShape = typename Transform::InterpolatedShape;
+  constexpr int DIMS = Transform::numDims;
+
+  auto const & nodeCoords = transform.getData();
+  constexpr double qcoords[3] = { ( QUADRATURE::template coordinate<QA>() )... };
+
+  InterpolatedShape::template supportLoop( [&] ( auto const ... ic_spIndices ) constexpr
+  {
+    constexpr CArrayNd< REAL_TYPE, DIMS > dNadXi = InterpolatedShape::template gradient< decltype(ic_spIndices)::value ... >( qcoords );
+    // dimensional loop from domain to codomain
+    forNestedSequence< DIMS, DIMS >( [&] ( auto const ici, auto const icj ) constexpr
+    {
+      constexpr int i = decltype(ici)::value;
+      constexpr int j = decltype(icj)::value;
+      J( j, i ) = J( j, i ) + dNadXi( i ) * nodeCoords( decltype(ic_spIndices)::value ..., j );
+    } );
+
+    // for( int j = 0; j < DIMS; ++j )
+    // for( int i = 0; i < DIMS; ++i )
+    // {
+    //   J( j, i ) = J( j, i ) + dNadXi( i ) * nodeCoords( decltype(ic_spIndices)::value ..., j );
+    // }
+
+  } );
+}
+
+
+
+
 /**
  * @brief Calculates the inverse Jacobian transformation of a cuboid from a
  * parent cuboid with range from (-1,1) in each dimension.