Initial commit

CMakeLists.txt

+CMAKE_MINIMUM_REQUIRED (VERSION 3.0) 
+PROJECT ( your_project_name ) 
+
+enable_testing()
+include_directories( src )
+include_directories ( ${your_project_name_BINARY_DIR}/src )
+
+# Extends cmake module path - so that FindwaLBerla.cmake in the current directory is found
+set ( CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${your_project_name_SOURCE_DIR} )
+find_package( waLBerla )
+
+add_subdirectory( src  )
+add_subdirectory( apps )
+add_subdirectory( tests )

FindwaLBerla.cmake

+set( WALBERLA_DIR    WALBERLA_DIR-NOTFOUND   CACHE  PATH  "waLBerla path"  )
+
+if ( WALBERLA_DIR )
+    # WALBERLA_DIR has to point to the waLBerla source directory
+    # this command builds waLBerla (again) in the current build directory in the subfolder "walberla" (second argument)
+    add_subdirectory( ${WALBERLA_DIR} walberla  )
+    
+    waLBerla_import()
+    # Adds the 'src' and 'tests' directory of current app
+    list( APPEND WALBERLA_MODULE_DIRS "${CMAKE_SOURCE_DIR}/src" "${CMAKE_SOURCE_DIR}/tests" )
+    list( REMOVE_DUPLICATES  WALBERLA_MODULE_DIRS )
+    set ( WALBERLA_MODULE_DIRS  ${WALBERLA_MODULE_DIRS} CACHE INTERNAL "All folders that contain modules or tests" )
+else()
+    message( FATAL_ERROR "waLBerla not found - Use 'cmake -DWALBERLA_DIR=path_to_waLBerla_sources  pathToApplicationSources' "  )
+endif()
+    

README

+waLBerla example application
+============================
+
+CMake Template on how to use waLBerla in your app
+
+
+How to build
+=============
+
+mkdir build
+cd build
+cmake .. -DWALBERLA_DIR=path/to/walberla/sources
+
+

apps/CMakeLists.txt

+add_subdirectory( example_app )

apps/example_app/CMakeLists.txt

+waLBerla_link_files_to_builddir( *.prm  *.py)
+
+waLBerla_add_executable ( NAME ExampleApp
+                          FILES ExampleApp.cpp
+                          DEPENDS blockforest core field lbm geometry timeloop gui )
+

apps/example_app/ExampleApp.cpp

+//======================================================================================================================
+//
+//  This file is part of waLBerla. waLBerla is free software: you can 
+//  redistribute it and/or modify it under the terms of the GNU General Public
+//  License as published by the Free Software Foundation, either version 3 of 
+//  the License, or (at your option) any later version.
+//  
+//  waLBerla is distributed in the hope that it will be useful, but WITHOUT 
+//  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 
+//  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License 
+//  for more details.
+//  
+//  You should have received a copy of the GNU General Public License along
+//  with waLBerla (see COPYING.txt). If not, see <http://www.gnu.org/licenses/>.
+//
+//! \file 01_BlocksAndFields.cpp
+//! \author Martin Bauer <martin.bauer@fau.de>
+//
+//======================================================================================================================
+
+#include "blockforest/Initialization.h"
+#include "core/Environment.h"
+#include "field/Field.h"
+#include "gui/Gui.h"
+#include "timeloop/SweepTimeloop.h"
+
+namespace walberla {
+
+Field<real_t, 1>* createFields(IBlock* const block, StructuredBlockStorage * const storage) {
+   return new Field<real_t,1>(storage->getNumberOfXCells(*block),
+                              storage->getNumberOfYCells(*block),
+                              storage->getNumberOfZCells(*block),
+                              real_c(0));
+}
+
+int main( int argc, char ** argv )
+{
+   walberla::Environment env( argc, argv );
+   
+   shared_ptr<StructuredBlockForest> blocks = blockforest::createUniformBlockGrid(
+                                                                                  uint_c(3), uint_c(2), uint_c(4),
+                                                                                  uint_c(10), uint_c(8), uint_c(12),
+                                                                                  real_c(0.5),
+                                                                                  false,
+                                                                                  false, false, false);
+   
+   blocks->addStructuredBlockData< Field<real_t,1> >( &createFields, "My Field" );
+
+   
+   SweepTimeloop timeloop( blocks, uint_c(1) );
+   GUI gui( timeloop, blocks, argc, argv );
+   gui.run();
+
+   return EXIT_SUCCESS;
+}
+}
+
+int main( int argc, char ** argv )
+{
+   return walberla::main(argc, argv);
+}

src/CMakeLists.txt

+#add_subdirectory( name_of_your_module_subfolder )

tests/CMakeLists.txt

+#add_subdirectory( name_of_your_module_subfolder )