Create module numeric for swig

Author: Fabien Servant

src/aliceVision/aliceVision.i

@@ -9,6 +9,7 @@
 %include <aliceVision/global.i>
 %include <aliceVision/version.hpp>
 
+%import <aliceVision/numeric/numeric.i>
 %import <aliceVision/camera/Camera.i>
 %import <aliceVision/geometry/Geometry.i>
 %import <aliceVision/hdr/Hdr.i>

src/aliceVision/numeric/CMakeLists.txt

@@ -33,3 +33,56 @@ alicevision_add_test(polynomial_test.cpp NAME "numeric_polynomial" LINKS aliceVi
 alicevision_add_test(lmFunctor_test.cpp  NAME "numeric_lmFunctor"  LINKS aliceVision_numeric)
 alicevision_add_test(projection_test.cpp NAME "numeric_projection" LINKS aliceVision_numeric)
 alicevision_add_test(gps_test.cpp NAME "numeric_gps" LINKS aliceVision_numeric)
+
+
+# SWIG Binding
+if (ALICEVISION_BUILD_SWIG_BINDING)
+    set(UseSWIG_TARGET_NAME_PREFERENCE STANDARD)
+    set_property(SOURCE numeric.i PROPERTY CPLUSPLUS ON)
+    set_property(SOURCE numeric.i PROPERTY SWIG_MODULE_NAME numeric)
+
+    swig_add_library(numeric
+        TYPE MODULE
+        LANGUAGE python
+        SOURCES numeric.i
+    )
+
+    set_property(
+        TARGET numeric
+        PROPERTY SWIG_COMPILE_OPTIONS -doxygen
+    )
+
+    target_include_directories(numeric
+    PRIVATE
+        ../include
+        ${ALICEVISION_ROOT}/include
+        ${Python3_INCLUDE_DIRS}
+        ${Python3_NumPy_INCLUDE_DIRS}
+    )
+    set_property(
+        TARGET numeric
+        PROPERTY SWIG_USE_TARGET_INCLUDE_DIRECTORIES ON
+    )
+    set_property(
+        TARGET numeric
+        PROPERTY COMPILE_OPTIONS -std=c++17
+    )
+
+    target_link_libraries(numeric
+    PUBLIC
+        aliceVision_numeric
+    )
+
+    install(
+    TARGETS
+    numeric
+    DESTINATION
+        ${CMAKE_INSTALL_PREFIX}
+    )
+    install(
+    FILES
+        ${CMAKE_CURRENT_BINARY_DIR}/numeric.py
+    DESTINATION
+        ${CMAKE_INSTALL_PREFIX}
+    )
+endif()

src/aliceVision/numeric/numeric.hpp

@@ -10,6 +10,7 @@
 
 // AliceVision does not support Eigen with alignment, unless C++17 aligned new feature is enabled.
 // So ensure Eigen is used with the correct flags.
+#ifndef SWIG
 #ifndef ALICEVISION_EIGEN_REQUIRE_ALIGNMENT
     #ifndef EIGEN_MAX_ALIGN_BYTES
         #error "EIGEN_MAX_ALIGN_BYTES is not defined"
@@ -23,6 +24,7 @@
         #error "EIGEN_MAX_STATIC_ALIGN_BYTES is defined but not 0"
     #endif
 #endif
+#endif
 
 //--
 // Eigen

src/aliceVision/numeric/numeric.i

@@ -0,0 +1,16 @@
+// This file is part of the AliceVision project.
+// Copyright (c) 2024 AliceVision contributors.
+// This Source Code Form is subject to the terms of the Mozilla Public License,
+// v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+%module (module="pyalicevision") numeric
+
+%include <aliceVision/global.i>
+%include <aliceVision/numeric/numeric.hpp>
+
+%{
+#include <aliceVision/numeric/numeric.hpp>
+using namespace aliceVision;
+%}
+