ENH: set Kokkos version to 4.4.01

cmake/Modules/KokkosPythonOptions.cmake

@@ -84,7 +84,7 @@ set(CMAKE_C_VISIBILITY_PRESET "default" CACHE STRING "Default visibility")
 set(CMAKE_CXX_VISIBILITY_PRESET "default" CACHE STRING "Default visibility")
 
 # pybind11 has not migrated to CMAKE_CXX_STANDARD and neither has kokkos
-SET(CMAKE_CXX_STANDARD 14 CACHE STRING "C++ language standard")
+SET(CMAKE_CXX_STANDARD 17 CACHE STRING "C++ language standard")
 SET(CMAKE_CXX_STANDARD_REQUIRED ON CACHE BOOL "Require standard")
 SET(CMAKE_CXX_EXTENSIONS OFF CACHE BOOL "Extensions")
 IF(NOT Kokkos_CXX_STANDARD)

include/pools.hpp

@@ -46,6 +46,7 @@
 
 #include <Kokkos_Core.hpp>
 #include <Kokkos_Random.hpp>
+#include <iostream>
 
 namespace Common {
 template <typename PoolT, typename Sp>

include/views.hpp

@@ -53,6 +53,7 @@
 
 #include <Kokkos_Core.hpp>
 #include <Kokkos_DynRankView.hpp>
+#include <iostream>
 
 //----------------------------------------------------------------------------//
 

setup.py

@@ -59,7 +59,7 @@ def add_arg_bool_option(lc_name, disp_name, default=None):
 add_arg_bool_option("timing", "ENABLE_TIMING")
 parser.add_argument(
     "--cxx-standard",
-    default=14,
+    default=17,
     type=int,
     choices=[14, 17, 20],
     help="Set C++ language standard",

src/enumeration.cpp

@@ -51,6 +51,7 @@
 #include <pybind11/pytypes.h>
 
 #include <cassert>
+#include <iostream>
 
 //----------------------------------------------------------------------------//
 

src/libpykokkos.cpp

@@ -49,6 +49,7 @@
 #include "traits.hpp"
 
 #include <Kokkos_Core.hpp>
+#include <iostream>
 
 //----------------------------------------------------------------------------//
 //