Squashed 'third_party/eigen/' content from commit 61d72f6
Change-Id: Iccc90fa0b55ab44037f018046d2fcffd90d9d025
git-subtree-dir: third_party/eigen
git-subtree-split: 61d72f6383cfa842868c53e30e087b0258177257
diff --git a/Eigen/src/StlSupport/StdVector.h b/Eigen/src/StlSupport/StdVector.h
new file mode 100644
index 0000000..611664a
--- /dev/null
+++ b/Eigen/src/StlSupport/StdVector.h
@@ -0,0 +1,126 @@
+// This file is part of Eigen, a lightweight C++ template library
+// for linear algebra.
+//
+// Copyright (C) 2009 Gael Guennebaud <gael.guennebaud@inria.fr>
+// Copyright (C) 2009 Hauke Heibel <hauke.heibel@googlemail.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_STDVECTOR_H
+#define EIGEN_STDVECTOR_H
+
+#include "details.h"
+
+/**
+ * This section contains a convenience MACRO which allows an easy specialization of
+ * std::vector such that for data types with alignment issues the correct allocator
+ * is used automatically.
+ */
+#define EIGEN_DEFINE_STL_VECTOR_SPECIALIZATION(...) \
+namespace std \
+{ \
+ template<> \
+ class vector<__VA_ARGS__, std::allocator<__VA_ARGS__> > \
+ : public vector<__VA_ARGS__, EIGEN_ALIGNED_ALLOCATOR<__VA_ARGS__> > \
+ { \
+ typedef vector<__VA_ARGS__, EIGEN_ALIGNED_ALLOCATOR<__VA_ARGS__> > vector_base; \
+ public: \
+ typedef __VA_ARGS__ value_type; \
+ typedef vector_base::allocator_type allocator_type; \
+ typedef vector_base::size_type size_type; \
+ typedef vector_base::iterator iterator; \
+ explicit vector(const allocator_type& a = allocator_type()) : vector_base(a) {} \
+ template<typename InputIterator> \
+ vector(InputIterator first, InputIterator last, const allocator_type& a = allocator_type()) : vector_base(first, last, a) {} \
+ vector(const vector& c) : vector_base(c) {} \
+ explicit vector(size_type num, const value_type& val = value_type()) : vector_base(num, val) {} \
+ vector(iterator start, iterator end) : vector_base(start, end) {} \
+ vector& operator=(const vector& x) { \
+ vector_base::operator=(x); \
+ return *this; \
+ } \
+ }; \
+}
+
+namespace std {
+
+#define EIGEN_STD_VECTOR_SPECIALIZATION_BODY \
+ public: \
+ typedef T value_type; \
+ typedef typename vector_base::allocator_type allocator_type; \
+ typedef typename vector_base::size_type size_type; \
+ typedef typename vector_base::iterator iterator; \
+ typedef typename vector_base::const_iterator const_iterator; \
+ explicit vector(const allocator_type& a = allocator_type()) : vector_base(a) {} \
+ template<typename InputIterator> \
+ vector(InputIterator first, InputIterator last, const allocator_type& a = allocator_type()) \
+ : vector_base(first, last, a) {} \
+ vector(const vector& c) : vector_base(c) {} \
+ explicit vector(size_type num, const value_type& val = value_type()) : vector_base(num, val) {} \
+ vector(iterator start, iterator end) : vector_base(start, end) {} \
+ vector& operator=(const vector& x) { \
+ vector_base::operator=(x); \
+ return *this; \
+ }
+
+ template<typename T>
+ class vector<T,EIGEN_ALIGNED_ALLOCATOR<T> >
+ : public vector<EIGEN_WORKAROUND_MSVC_STL_SUPPORT(T),
+ Eigen::aligned_allocator_indirection<EIGEN_WORKAROUND_MSVC_STL_SUPPORT(T)> >
+{
+ typedef vector<EIGEN_WORKAROUND_MSVC_STL_SUPPORT(T),
+ Eigen::aligned_allocator_indirection<EIGEN_WORKAROUND_MSVC_STL_SUPPORT(T)> > vector_base;
+ EIGEN_STD_VECTOR_SPECIALIZATION_BODY
+
+ void resize(size_type new_size)
+ { resize(new_size, T()); }
+
+#if defined(_VECTOR_)
+ // workaround MSVC std::vector implementation
+ void resize(size_type new_size, const value_type& x)
+ {
+ if (vector_base::size() < new_size)
+ vector_base::_Insert_n(vector_base::end(), new_size - vector_base::size(), x);
+ else if (new_size < vector_base::size())
+ vector_base::erase(vector_base::begin() + new_size, vector_base::end());
+ }
+ void push_back(const value_type& x)
+ { vector_base::push_back(x); }
+ using vector_base::insert;
+ iterator insert(const_iterator position, const value_type& x)
+ { return vector_base::insert(position,x); }
+ void insert(const_iterator position, size_type new_size, const value_type& x)
+ { vector_base::insert(position, new_size, x); }
+#elif defined(_GLIBCXX_VECTOR) && (!(EIGEN_GNUC_AT_LEAST(4,1)))
+ /* Note that before gcc-4.1 we already have: std::vector::resize(size_type,const T&).
+ * However, this specialization is still needed to make the above EIGEN_DEFINE_STL_VECTOR_SPECIALIZATION trick to work. */
+ void resize(size_type new_size, const value_type& x)
+ {
+ vector_base::resize(new_size,x);
+ }
+#elif defined(_GLIBCXX_VECTOR) && EIGEN_GNUC_AT_LEAST(4,2)
+ // workaround GCC std::vector implementation
+ void resize(size_type new_size, const value_type& x)
+ {
+ if (new_size < vector_base::size())
+ vector_base::_M_erase_at_end(this->_M_impl._M_start + new_size);
+ else
+ vector_base::insert(vector_base::end(), new_size - vector_base::size(), x);
+ }
+#else
+ // either GCC 4.1 or non-GCC
+ // default implementation which should always work.
+ void resize(size_type new_size, const value_type& x)
+ {
+ if (new_size < vector_base::size())
+ vector_base::erase(vector_base::begin() + new_size, vector_base::end());
+ else if (new_size > vector_base::size())
+ vector_base::insert(vector_base::end(), new_size - vector_base::size(), x);
+ }
+#endif
+ };
+}
+
+#endif // EIGEN_STDVECTOR_H