Feature/tensor

CMakeLists.txt

@@ -166,11 +166,21 @@ FetchContent_Declare(
     GIT_TAG        "v3.0.1"
 )
 
+FetchContent_Declare(
+    Fastor
+    GIT_REPOSITORY "https://github.com/3MAH/Fastor.git"
+    GIT_TAG        "master"
+)
+
 #set(BUILD_SHARED_LIBS ON)
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 FetchContent_MakeAvailable(dylib)
 set_target_properties(dylib PROPERTIES UNITY_BUILD OFF)
 
+# Fastor is header-only — just populate, no build step needed
+FetchContent_Populate(Fastor)
+message(STATUS "Fastor include dir: ${fastor_SOURCE_DIR}")
+
 # Python dependencies (only if building Python bindings)
 if(BUILD_PYTHON_BINDINGS)
   find_package(Python3 COMPONENTS Interpreter Development NumPy REQUIRED)
@@ -299,6 +309,9 @@ target_include_directories(simcoon
 # Add Armadillo as system headers to suppress warnings
 target_include_directories(simcoon SYSTEM PUBLIC ${ARMADILLO_INCLUDE_DIRS})
 
+# Add Fastor as system headers (header-only tensor library, build-time only)
+target_include_directories(simcoon SYSTEM PUBLIC $<BUILD_INTERFACE:${fastor_SOURCE_DIR}>)
+
 
 # Define restrict macro (MSVC and GCC/Clang handle restrict differently)
 target_compile_definitions(simcoon PUBLIC restrict=)