Refactor the unsupported CXX11/Core module to internal headers only.

unsupported/Eigen/CXX11/CMakeLists.txt

@@ -1,4 +1,4 @@
-set(Eigen_CXX11_HEADERS Core Tensor TensorSymmetry)
+set(Eigen_CXX11_HEADERS Tensor TensorSymmetry ThreadPool)
 
 install(FILES
   ${Eigen_CXX11_HEADERS}

unsupported/Eigen/CXX11/Core

@@ -1,51 +0,0 @@
-// This file is part of Eigen, a lightweight C++ template library
-// for linear algebra.
-//
-// Copyright (C) 2013 Christian Seiler <christian@iwakd.de>
-// Copyright (C) 2014 Benoit Steiner <benoit.steiner.goog@gmail.com>
-//
-// 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 http://mozilla.org/MPL/2.0/.
-
-#ifndef EIGEN_CXX11_CORE_MODULE
-#define EIGEN_CXX11_CORE_MODULE
-
-#include <Eigen/Core>
-
-#include <Eigen/src/Core/util/DisableStupidWarnings.h>
-
-/** \defgroup CXX11_Core_Module C++11 Core Module
-  *
-  * This module provides common core features for all modules that
-  * explicitly depend on C++11. Currently, this is only the Tensor
-  * module. Note that at this stage, you should not need to include
-  * this module directly.
-  *
-  * It also provides a limited fallback for compilers that don't support
-  * CXX11 yet, such as nvcc.
-  *
-  * \code
-  * #include <Eigen/CXX11/Core>
-  * \endcode
-  */
-
-#include <vector>
-
-#include "src/Core/util/EmulateArray.h"
-#include "src/Core/util/MaxSizeVector.h"
-
-// Emulate the cxx11 functionality that we need if the compiler doesn't support it.
-// Visual studio 2015 doesn't advertise itself as cxx11 compliant, although it
-// supports enough of the standard for our needs
-#if __cplusplus > 199711L || EIGEN_COMP_MSVC >= 1900
-#include "src/Core/util/CXX11Workarounds.h"
-#include "src/Core/util/CXX11Meta.h"
-#else
-#include "src/Core/util/EmulateCXX11Meta.h"
-#endif
-
-#include <Eigen/src/Core/util/ReenableStupidWarnings.h>
-
-#endif // EIGEN_CXX11_CORE_MODULE
-

unsupported/Eigen/CXX11/Tensor

@@ -11,10 +11,10 @@
 //#ifndef EIGEN_CXX11_TENSOR_MODULE
 //#define EIGEN_CXX11_TENSOR_MODULE
 
-#include "Core"
-
 #include <Eigen/src/Core/util/DisableStupidWarnings.h>
 
+#include "src/util/CXX11Meta.h"
+#include "src/util/MaxSizeVector.h"
 
 /** \defgroup CXX11_Tensor_Module Tensor Module
   *

unsupported/Eigen/CXX11/TensorSymmetry

@@ -14,6 +14,8 @@
 
 #include <Eigen/src/Core/util/DisableStupidWarnings.h>
 
+#include "src/util/CXX11Meta.h"
+
 /** \defgroup CXX11_TensorSymmetry_Module Tensor Symmetry Module
   *
   * This module provides a classes that allow for the definition of

unsupported/Eigen/CXX11/ThreadPool

@@ -10,8 +10,6 @@
 #ifndef EIGEN_CXX11_THREADPOOL_MODULE
 #define EIGEN_CXX11_THREADPOOL_MODULE
 
-#include "Core"
-
 #include <Eigen/src/Core/util/DisableStupidWarnings.h>
 
 /** \defgroup CXX11_ThreadPool_Module C++11 ThreadPool Module
@@ -45,6 +43,9 @@
 #include <functional>
 #include <memory>
 
+#include "src/util/CXX11Meta.h"
+#include "src/util/MaxSizeVector.h"
+
 #include "src/ThreadPool/ThreadLocal.h"
 #include "src/ThreadPool/ThreadYield.h"
 #include "src/ThreadPool/EventCount.h"

unsupported/Eigen/CXX11/src/CMakeLists.txt

@@ -1,3 +1,4 @@
-add_subdirectory(Core)
+add_subdirectory(util)
+add_subdirectory(ThreadPool)
 add_subdirectory(Tensor)
 add_subdirectory(TensorSymmetry)

unsupported/Eigen/CXX11/src/Core/CMakeLists.txt

@@ -1 +0,0 @@
-add_subdirectory(util)

unsupported/Eigen/CXX11/src/Core/util/CMakeLists.txt

@@ -1,6 +0,0 @@
-FILE(GLOB Eigen_CXX11_Core_util_SRCS "*.h")
-
-INSTALL(FILES
-  ${Eigen_CXX11_Core_util_SRCS}
-  DESTINATION ${INCLUDE_INSTALL_DIR}/unsupported/Eigen/CXX11/src/Core/util COMPONENT Devel
-  )

unsupported/Eigen/CXX11/src/ThreadPool/CMakeLists.txt

@@ -0,0 +1,6 @@
+FILE(GLOB Eigen_CXX11_ThreadPool_SRCS "*.h")
+
+INSTALL(FILES
+  ${Eigen_CXX11_ThreadPool_SRCS}
+  DESTINATION ${INCLUDE_INSTALL_DIR}/unsupported/Eigen/CXX11/src/ThreadPool COMPONENT Devel
+  )

unsupported/Eigen/CXX11/src/util/CMakeLists.txt

@@ -0,0 +1,6 @@
+FILE(GLOB Eigen_CXX11_util_SRCS "*.h")
+
+INSTALL(FILES
+  ${Eigen_CXX11_util_SRCS}
+  DESTINATION ${INCLUDE_INSTALL_DIR}/unsupported/Eigen/CXX11/src/util COMPONENT Devel
+  )

unsupported/Eigen/CXX11/src/util/CXX11Meta.h

@@ -10,12 +10,22 @@
 #ifndef EIGEN_CXX11META_H
 #define EIGEN_CXX11META_H
 
+#include <vector>
+#include "EmulateArray.h"
+
+// Emulate the cxx11 functionality that we need if the compiler doesn't support it.
+// Visual studio 2015 doesn't advertise itself as cxx11 compliant, although it
+// supports enough of the standard for our needs
+#if __cplusplus > 199711L || EIGEN_COMP_MSVC >= 1900
+
+#include "CXX11Workarounds.h"
+
 namespace Eigen {
 
 namespace internal {
 
 /** \internal
-  * \file CXX11/Core/util/CXX11Meta.h
+  * \file CXX11/util/CXX11Meta.h
   * This file contains generic metaprogramming classes which are not specifically related to Eigen.
   * This file expands upon Core/util/Meta.h and adds support for C++11 specific features.
   */
@@ -523,4 +533,10 @@ InstType instantiate_by_c_array(ArrType* arr)
 
 } // end namespace Eigen
 
+#else // Non C++11, fallback to emulation mode
+
+#include "src/Core/util/EmulateCXX11Meta.h"
+
+#endif
+
 #endif // EIGEN_CXX11META_H

unsupported/Eigen/CXX11/src/util/EmulateArray.h

@@ -222,7 +222,7 @@ template<class T, std::size_t N> struct array_size<const array<T,N>& > {
 
 #else
 
-// The compiler supports c++11, and we're not targetting cuda: use std::array as Eigen array
+// The compiler supports c++11, and we're not targetting cuda: use std::array as Eigen::array
 #include <array>
 namespace Eigen {
 
@@ -264,8 +264,4 @@ template<class T, std::size_t N> struct array_size<std::array<T,N> > {
 
 #endif
 
-
-
-
-
 #endif  // EIGEN_EMULATE_ARRAY_H

unsupported/Eigen/CXX11/src/util/EmulateCXX11Meta.h

@@ -17,7 +17,7 @@ namespace Eigen {
 namespace internal {
 
 /** \internal
-  * \file CXX11/Core/util/EmulateCXX11Meta.h
+  * \file CXX11/util/EmulateCXX11Meta.h
   * This file emulates a subset of the functionality provided by CXXMeta.h for
   * compilers that don't yet support cxx11 such as nvcc.
   */

unsupported/test/cxx11_meta.cpp

@@ -10,7 +10,7 @@
 #include "main.h"
 
 #include <array>
-#include <Eigen/CXX11/Core>
+#include <Eigen/CXX11/src/util/CXX11Meta.h>
 
 using Eigen::internal::is_same;
 using Eigen::internal::type_list;