fix(CompositionAbstract): Moved CompositionAbstract into correct namespace

Further, added the composition_abstract header file to the correct install path

Doxyfile

@@ -48,7 +48,7 @@ PROJECT_NAME           = fourdst::libcomposition
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = v2.0.1
+PROJECT_NUMBER         = v2.0.2
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewers a

meson.build

@@ -18,7 +18,7 @@
 #   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 #
 # *********************************************************************** #
-project('libcomposition', 'cpp', version: 'v2.0.1', default_options: ['cpp_std=c++23'], meson_version: '>=1.5.0')
+project('libcomposition', 'cpp', version: 'v2.0.2', default_options: ['cpp_std=c++23'], meson_version: '>=1.5.0')
 
 # Add default visibility for all C++ targets
 add_project_arguments('-fvisibility=default', language: 'cpp')

src/composition/include/fourdst/composition/composition_abstract.h

@@ -7,6 +7,7 @@
 #include <set>
 #include <vector>
 
+namespace fourdst::composition {
     /**
      * @brief Abstract base class for chemical composition representations.
      *
@@ -170,3 +171,4 @@ public:
          */
         [[nodiscard]] virtual fourdst::atomic::Species getSpeciesAtIndex(size_t index) const = 0;
     };
+}

src/composition/meson.build

@@ -48,6 +48,7 @@ composition_dep = declare_dependency(
 # Make headers accessible
 composition_headers = files(
   'include/fourdst/composition/composition.h',
+  'include/fourdst/composition/composition_abstract.h'
 )
 install_headers(composition_headers, subdir : 'fourdst/fourdst/composition')