Build examples in CMake

.editorconfig

@@ -0,0 +1,9 @@
+# http://editorconfig.org
+
+root = true
+
+[{*.cmake,CMakeLists.txt}]
+insert_final_newline = true
+indent_style = space
+indent_size = 2
+trim_trailing_whitespace = true

.gitignore

@@ -0,0 +1,2 @@
+# User presets should not be committed to source control
+CMakeUserPresets.json

CMakeLists.txt

@@ -7,54 +7,66 @@ cmake_minimum_required(VERSION 3.5...3.20)
 
 project(boost_numeric_odeint VERSION "${BOOST_SUPERPROJECT_VERSION}" LANGUAGES CXX)
 
+option(BOOST_NUMERIC_ODEINT_NO_ADAPTORS "Build odeint without boost::compute and boost::mpi support" OFF)
+
+# Enable grouping of targets in IDE views
+set_property(GLOBAL PROPERTY USE_FOLDERS ON)
+
 add_library(boost_numeric_odeint INTERFACE)
 add_library(Boost::numeric_odeint ALIAS boost_numeric_odeint)
 
 target_include_directories(boost_numeric_odeint INTERFACE include)
 
-if(BOOST_NUMERIC_ODEINT_NO_ADAPTORS)
+set(BOOST_ODEINT_REQUIRED_COMPONENTS 
+  assert
+  config
+  core
+  fusion
+  iterator
+  math
+  mpl
+  multi_array
+  numeric_ublas
+  preprocessor
+  range
+  static_assert
+  throw_exception
+  type_traits
+  units
+  utility)
+if(NOT BOOST_NUMERIC_ODEINT_NO_ADAPTORS)
+  list(APPEND BOOST_ODEINT_REQUIRED_COMPONENTS compute)
+  if(BOOST_ENABLE_MPI)
+    list(APPEND BOOST_ODEINT_REQUIRED_COMPONENTS mpi)
+  endif()
+endif()
+find_package(Boost REQUIRED COMPONENTS ${BOOST_ODEINT_REQUIRED_COMPONENTS})
 
-  target_link_libraries(boost_numeric_odeint
-    INTERFACE
-      Boost::assert
-      Boost::config
-      Boost::core
-      Boost::fusion
-      Boost::iterator
-      Boost::math
-      Boost::mpl
-      Boost::multi_array
-      Boost::numeric_ublas
-      Boost::preprocessor
-      Boost::range
-      Boost::static_assert
-      Boost::throw_exception
-      Boost::type_traits
-      Boost::units
-      Boost::utility
-  )
+target_link_libraries(boost_numeric_odeint
+  INTERFACE
+    Boost::assert
+    Boost::config
+    Boost::core
+    Boost::fusion
+    Boost::iterator
+    Boost::math
+    Boost::mpl
+    Boost::multi_array
+    Boost::numeric_ublas
+    Boost::preprocessor
+    Boost::range
+    Boost::static_assert
+    Boost::throw_exception
+    Boost::type_traits
+    Boost::units
+    Boost::utility
+)
 
-else()
+if(NOT BOOST_NUMERIC_ODEINT_NO_ADAPTORS)
 
   target_link_libraries(boost_numeric_odeint
     INTERFACE
-      Boost::assert
       Boost::compute
-      Boost::config
-      Boost::core
-      Boost::fusion
-      Boost::iterator
-      Boost::math
-      Boost::mpl
-      Boost::multi_array
-      Boost::numeric_ublas
-      Boost::preprocessor
-      Boost::range
-      Boost::static_assert
-      Boost::throw_exception
-      Boost::type_traits
-      Boost::units
-      Boost::utility
   )
 
   # From CMake 3.30 linking against MPI when it does not exist gives errors
@@ -67,6 +79,10 @@ else()
 
 endif()
 
+if(BOOST_BUILD_EXAMPLES AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/examples/CMakeLists.txt")
+  add_subdirectory(examples)
+endif()
+
 if(BUILD_TESTING AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/test/CMakeLists.txt")
 
   add_subdirectory(test)

examples/CMakeLists.txt

@@ -0,0 +1,47 @@
+function(add_example name)
+  cmake_parse_arguments(PARSE_ARGV 1 ARG "" "CXX_STANDARD;FOLDER" "")
+  add_executable("${name}" "${name}.cpp")
+  target_compile_definitions("${name}" PRIVATE "BOOST_ALL_NO_LIB=1")
+  target_link_libraries("${name}" PRIVATE Boost::numeric_odeint)
+  if(NOT ARG_FOLDER)
+    set(ARG_FOLDER "Examples")
+  endif()
+  set_target_properties("${name}" PROPERTIES FOLDER "${ARG_FOLDER}")
+  if(ARG_CXX_STANDARD)
+    set_target_properties("${name}" PROPERTIES CXX_STANDARD "${ARG_CXX_STANDARD}")
+  endif()
+endfunction()
+
+add_example(harmonic_oscillator)
+add_example(solar_system)
+add_example(chaotic_system)
+add_example(stiff_system)
+add_example(fpu)
+add_example(phase_oscillator_ensemble)
+if(NOT CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+  add_example(harmonic_oscillator_units)
+endif()
+add_example(stuart_landau)
+add_example(two_dimensional_phase_lattice)
+add_example(bulirsch_stoer)
+add_example(elliptic_functions)
+add_example(resizing_lattice)
+add_example(list_lattice)
+add_example(stepper_details)
+add_example(my_vector)
+add_example(lorenz)
+add_example(lorenz_point)
+add_example(van_der_pol_stiff)
+add_example(simple1d)
+add_example(stochastic_euler)
+add_example(generation_functions)
+add_example(heun)
+add_example(bind_member_functions)
+add_example(bind_member_functions_cpp11 CXX_STANDARD 14)
+add_example(molecular_dynamics CXX_STANDARD 14)
+add_example(molecular_dynamics_cells CXX_STANDARD 14)
+add_example(abm_precision)
+add_example(integrate_times)
+add_example(find_crossing CXX_STANDARD 14)
+
+add_subdirectory(multiprecision)

examples/multiprecision/CMakeLists.txt

@@ -0,0 +1,2 @@
+add_example(lorenz_mp FOLDER "Examples/Multiprecision")
+add_example(cmp_precision FOLDER "Examples/Multiprecision")