From 88534ba623421c956d8ffcda2d27f41d704d15ef Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Tue, 3 Jul 2018 07:37:12 +0200
Subject: update eigen

---
 eigen/Eigen/src/Core/util/Meta.h | 86 +++++++---------------------------------
 1 file changed, 14 insertions(+), 72 deletions(-)

(limited to 'eigen/Eigen/src/Core/util/Meta.h')

diff --git a/eigen/Eigen/src/Core/util/Meta.h b/eigen/Eigen/src/Core/util/Meta.h
index 8de6055..7f63707 100644
--- a/eigen/Eigen/src/Core/util/Meta.h
+++ b/eigen/Eigen/src/Core/util/Meta.h
@@ -97,22 +97,17 @@ template<> struct is_arithmetic<unsigned int>  { enum { value = true }; };
 template<> struct is_arithmetic<signed long>   { enum { value = true }; };
 template<> struct is_arithmetic<unsigned long> { enum { value = true }; };
 
-#if EIGEN_HAS_CXX11
-using std::is_integral;
-#else
-template<typename T> struct is_integral               { enum { value = false }; };
-template<> struct is_integral<bool>                   { enum { value = true }; };
-template<> struct is_integral<char>                   { enum { value = true }; };
-template<> struct is_integral<signed char>            { enum { value = true }; };
-template<> struct is_integral<unsigned char>          { enum { value = true }; };
-template<> struct is_integral<signed short>           { enum { value = true }; };
-template<> struct is_integral<unsigned short>         { enum { value = true }; };
-template<> struct is_integral<signed int>             { enum { value = true }; };
-template<> struct is_integral<unsigned int>           { enum { value = true }; };
-template<> struct is_integral<signed long>            { enum { value = true }; };
-template<> struct is_integral<unsigned long>          { enum { value = true }; };
-#endif
-
+template<typename T> struct is_integral        { enum { value = false }; };
+template<> struct is_integral<bool>            { enum { value = true }; };
+template<> struct is_integral<char>            { enum { value = true }; };
+template<> struct is_integral<signed char>     { enum { value = true }; };
+template<> struct is_integral<unsigned char>   { enum { value = true }; };
+template<> struct is_integral<signed short>    { enum { value = true }; };
+template<> struct is_integral<unsigned short>  { enum { value = true }; };
+template<> struct is_integral<signed int>      { enum { value = true }; };
+template<> struct is_integral<unsigned int>    { enum { value = true }; };
+template<> struct is_integral<signed long>     { enum { value = true }; };
+template<> struct is_integral<unsigned long>   { enum { value = true }; };
 
 template <typename T> struct add_const { typedef const T type; };
 template <typename T> struct add_const<T&> { typedef T& type; };
@@ -283,59 +278,6 @@ protected:
   EIGEN_DEVICE_FUNC ~noncopyable() {}
 };
 
-/** \internal
-  * Provides access to the number of elements in the object of as a compile-time constant expression.
-  * It "returns" Eigen::Dynamic if the size cannot be resolved at compile-time (default).
-  *
-  * Similar to std::tuple_size, but more general.
-  *
-  * It currently supports:
-  *  - any types T defining T::SizeAtCompileTime
-  *  - plain C arrays as T[N]
-  *  - std::array (c++11)
-  *  - some internal types such as SingleRange and AllRange
-  *
-  * The second template parameter eases SFINAE-based specializations.
-  */
-template<typename T, typename EnableIf = void> struct array_size {
-  enum { value = Dynamic };
-};
-
-template<typename T> struct array_size<T,typename internal::enable_if<((T::SizeAtCompileTime&0)==0)>::type> {
-  enum { value = T::SizeAtCompileTime };
-};
-
-template<typename T, int N> struct array_size<const T (&)[N]> {
-  enum { value = N };
-};
-template<typename T, int N> struct array_size<T (&)[N]> {
-  enum { value = N };
-};
-
-#if EIGEN_HAS_CXX11
-template<typename T, std::size_t N> struct array_size<const std::array<T,N> > {
-  enum { value = N };
-};
-template<typename T, std::size_t N> struct array_size<std::array<T,N> > {
-  enum { value = N };
-};
-#endif
-
-/** \internal
-  * Analogue of the std::size free function.
-  * It returns the size of the container or view \a x of type \c T
-  *
-  * It currently supports:
-  *  - any types T defining a member T::size() const
-  *  - plain C arrays as T[N]
-  *
-  */
-template<typename T>
-Index size(const T& x) { return x.size(); }
-
-template<typename T,std::size_t N>
-Index size(const T (&) [N]) { return N; }
-
 /** \internal
   * Convenient struct to get the result type of a unary or binary functor.
   *
@@ -433,10 +375,10 @@ struct meta_no  { char a[2]; };
 template <typename T>
 struct has_ReturnType
 {
-  template <typename C> static meta_yes testFunctor(C const *, typename C::ReturnType const * = 0);
-  template <typename C> static meta_no  testFunctor(...);
+  template <typename C> static meta_yes testFunctor(typename C::ReturnType const *);
+  template <typename C> static meta_no testFunctor(...);
 
-  enum { value = sizeof(testFunctor<T>(static_cast<T*>(0))) == sizeof(meta_yes) };
+  enum { value = sizeof(testFunctor<T>(0)) == sizeof(meta_yes) };
 };
 
 template<typename T> const T* return_ptr();
-- 
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