use pybind to compile 2d_dambreak case

.github/workflows/ci.yml

@@ -26,7 +26,10 @@ jobs:
 
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v2
+        with:
+          submodules: '3rd_party/pybind11@3cc7e42'
+
 
       - name: Install system dependencies
         run: |
@@ -121,6 +124,9 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3 # Checks-out the repository under ${{github.workspace}}
+        with:
+          submodules: '3rd_party/pybind11@3cc7e42'
+
 
       - name: Update ccache and ninja # For correct caching with ccache on Windows
         shell: bash
@@ -210,6 +216,9 @@ jobs:
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - uses: actions/checkout@v3
+        with:
+          submodules: '3rd_party/pybind11@3cc7e42'
+
 
       - name: Install system dependencies
         run: |

.gitmodules

@@ -1,3 +1,6 @@
 [submodule "3rd_party/wasmtbb"]
 	path = 3rd_party/wasmtbb
 	url = https://github.com/hpcwasm/wasmtbb.git
+[submodule "3rd_party/pybind11"]
+	path = 3rd_party/pybind11
+	url = https://github.com/pybind/pybind11.git

CMakeLists.txt

@@ -37,6 +37,7 @@ if(${CMAKE_SYSTEM_NAME} MATCHES Windows)
 else()
     target_compile_options(sphinxsys_core INTERFACE $<$<BOOL:${SPHINXSYS_DEVELOPER_MODE}>:-Werror>)
     target_compile_options(sphinxsys_core INTERFACE  $<$<BOOL:${SPHINXSYS_DEVELOPER_MODE}>:-Wall>)
+    target_compile_options(sphinxsys_core INTERFACE  $<$<BOOL:${SPHINXSYS_DEVELOPER_MODE}>:-fPIC>) # For pybind in Linux
     # target_compile_options(sphinxsys_core INTERFACE  $<$<BOOL:${SPHINXSYS_DEVELOPER_MODE}>:-Wextra>) # TODO: 
     # target_compile_options(sphinxsys_core INTERFACE $<$<BOOL:${SPHINXSYS_DEVELOPER_MODE}>:-Wpedantic>) # For strict C++ standard compliance # TODO:
 endif()
@@ -80,6 +81,7 @@ endif()
 #------ Setup the concrete libraries
 add_subdirectory(SPHINXsys)
 add_subdirectory(modules)
+add_subdirectory(3rd_party/pybind11) 
 
 #------ Setup the tests
 if(SPHINXSYS_BUILD_TESTS)

SPHINXsys/src/for_2D_build/geometries/level_set_supplementary.cpp

@@ -1,6 +1,5 @@
 #include "level_set.h"
 
-#include "mesh_with_data_packages.hpp"
 #include "mesh_iterators.hpp"
 #include "base_kernel.h"
 #include "base_particles.h"

SPHINXsys/src/for_3D_build/geometries/level_set_supplementary.cpp

@@ -1,5 +1,4 @@
 #include "level_set.h"
-#include "mesh_with_data_packages.hpp"
 #include "mesh_iterators.hpp"
 #include "base_kernel.h"
 #include "base_particles.h"

SPHINXsys/src/shared/geometries/level_set.cpp

@@ -1,8 +1,6 @@
 #include "level_set.h"
 #include "adaptation.h"
 
-#include "mesh_with_data_packages.hpp"
-
 namespace SPH
 {
 	//=================================================================================================//

SPHINXsys/src/shared/geometries/level_set.h

@@ -29,7 +29,7 @@
 #ifndef LEVEL_SET_H
 #define LEVEL_SET_H
 
-#include "mesh_with_data_packages.h"
+#include "mesh_with_data_packages.hpp"
 #include "adaptation.h"
 #include "base_geometry.h"
 

SPHINXsys/src/shared/include/sphinxsys.h

@@ -41,5 +41,6 @@
 #include "io_all.h"
 #include "parameterization.h"
 #include "regression_test.h"
+#include "sph_python.h"
 
 #endif //SPHINXSYS_H

SPHINXsys/src/shared/sphinxsys_python/sph_python.h

@@ -0,0 +1,45 @@
+/* -------------------------------------------------------------------------*
+ *								SPHinXsys									*
+ * -------------------------------------------------------------------------*
+ * SPHinXsys (pronunciation: s'finksis) is an acronym from Smoothed Particle*
+ * Hydrodynamics for industrial compleX systems. It provides C++ APIs for	*
+ * physical accurate simulation and aims to model coupled industrial dynamic*
+ * systems including fluid, solid, multi-body dynamics and beyond with SPH	*
+ * (smoothed particle hydrodynamics), a meshless computational method using	*
+ * particle discretization.													*
+ *																			*
+ * SPHinXsys is partially funded by German Research Foundation				*
+ * (Deutsche Forschungsgemeinschaft) DFG HU1527/6-1, HU1527/10-1,			*
+ *  HU1527/12-1 and HU1527/12-4												*
+ *                                                                          *
+ * Portions copyright (c) 2017-2022 Technical University of Munich and		*
+ * the authors' affiliations.												*
+ *                                                                          *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may  *
+ * not use this file except in compliance with the License. You may obtain a*
+ * copy of the License at http://www.apache.org/licenses/LICENSE-2.0.       *
+ *                                                                          *
+ * ------------------------------------------------------------------------*/
+/**
+ * @file sph_python.h
+ * @brief Interface for sph and pyhton code.
+ */
+
+#ifndef SPH_PYTHON_H
+#define SPH_PYTHON_H
+
+namespace SPH {
+
+    class SphPython
+    {
+    public:
+        explicit SphPython() {};
+        virtual ~SphPython() {};
+
+        //*** Functions for override. ***//
+        virtual int cmakeTest() = 0;
+        virtual void runCase(Real End_time) = 0;
+    };
+};
+
+#endif // SPH_PYTHON_H

tests/2d_examples/test_2d_dambreak_python/CMakeLists.txt

@@ -0,0 +1,28 @@
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_SOURCE_DIR}/cmake) # main (top) cmake dir
+
+set(CMAKE_VERBOSE_MAKEFILE on)
+
+STRING( REGEX REPLACE ".*/(.*)" "\\1" CURRENT_FOLDER ${CMAKE_CURRENT_SOURCE_DIR} )
+PROJECT("${CURRENT_FOLDER}")
+
+SET(LIBRARY_OUTPUT_PATH ${PROJECT_BINARY_DIR}/lib)
+SET(EXECUTABLE_OUTPUT_PATH "${PROJECT_BINARY_DIR}/bin/")
+SET(BUILD_INPUT_PATH "${EXECUTABLE_OUTPUT_PATH}/input")
+SET(BUILD_RELOAD_PATH "${EXECUTABLE_OUTPUT_PATH}/reload")
+SET(BUILD_BIND_PATH "${EXECUTABLE_OUTPUT_PATH}/bind")
+
+file(MAKE_DIRECTORY ${BUILD_INPUT_PATH})
+file(COPY ${CMAKE_CURRENT_SOURCE_DIR}/regression_test_tool/
+     DESTINATION ${BUILD_INPUT_PATH})
+
+file(MAKE_DIRECTORY ${BUILD_BIND_PATH})
+file(COPY ${CMAKE_CURRENT_SOURCE_DIR}/pybind_tool/
+     DESTINATION ${BUILD_BIND_PATH})
+
+aux_source_directory(. DIR_SRCS)
+pybind11_add_module(${PROJECT_NAME} ${EXECUTABLE_OUTPUT_PATH} ${DIR_SRCS} )
+set_target_properties(${PROJECT_NAME} PROPERTIES VS_DEBUGGER_WORKING_DIRECTORY "${EXECUTABLE_OUTPUT_PATH}")
+target_link_libraries(${PROJECT_NAME} PRIVATE sphinxsys_2d)
+
+add_test(NAME ${PROJECT_NAME} COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/pybind_tool/pybind_test.py)
+set_tests_properties(${PROJECT_NAME} PROPERTIES PASS_REGULAR_EXPRESSION "1")