Add a2d headers under extern/a2d for AE6310 students

Author: Mersoltane

CMakeLists.txt

@@ -156,15 +156,15 @@ install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/include/
     DESTINATION "${AMIGO_PY_PACKAGE_DIR}/include"
 )
 
-# Install a2d headers alongside (adjust if you want a different layout)
-install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/../a2d/include/
+# Install a2d headers alongside (vendored under extern/a2d for AE6310 students)
+install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/extern/a2d/include/
     DESTINATION "${AMIGO_PY_PACKAGE_DIR}/a2d/include"
 )
 
 target_include_directories(headers INTERFACE
   # When building this project
   $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
-  $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/../a2d/include>
+  $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/extern/a2d/include>
 
   # When consumed via find_package(Amigo)
   $<INSTALL_INTERFACE:amigo/include>

extern/a2d/include/a2dcore.h

@@ -0,0 +1,34 @@
+#ifndef A2D_CORE_H
+#define A2D_CORE_H
+
+// Key objects
+
+#include "ad/a2dmat.h"
+#include "ad/a2dobj.h"
+#include "ad/a2dstack.h"
+#include "ad/a2dvec.h"
+
+// Operations
+
+#include "ad/a2dgemm.h"
+#include "ad/a2dgreenstrain.h"
+#include "ad/a2dhadamard.h"
+#include "ad/a2disotropic.h"
+#include "ad/a2dmatdet.h"
+#include "ad/a2dmatinv.h"
+#include "ad/a2dmatsum.h"
+#include "ad/a2dmattovec.h"
+#include "ad/a2dmattrace.h"
+#include "ad/a2dmatvecmult.h"
+#include "ad/a2dquaternion.h"
+#include "ad/a2dscalarops.h"
+#include "ad/a2dsymeigs.h"
+#include "ad/a2dsymmatmulttrace.h"
+#include "ad/a2dsymrk.h"
+#include "ad/a2dsymsum.h"
+#include "ad/a2dveccross.h"
+#include "ad/a2dvecnorm.h"
+#include "ad/a2dvecouter.h"
+#include "ad/a2dvecsum.h"
+
+#endif  //  A2D_CORE_H