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Diffstat (limited to 'extern/Eigen2/Eigen/StdVector')
| -rw-r--r-- | extern/Eigen2/Eigen/StdVector | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/extern/Eigen2/Eigen/StdVector b/extern/Eigen2/Eigen/StdVector new file mode 100644 index 00000000000..c0744d6a0f3 --- /dev/null +++ b/extern/Eigen2/Eigen/StdVector @@ -0,0 +1,147 @@ +#ifdef EIGEN_USE_NEW_STDVECTOR +#include "NewStdVector" +#else + +#ifndef EIGEN_STDVECTOR_MODULE_H +#define EIGEN_STDVECTOR_MODULE_H + +#if defined(_GLIBCXX_VECTOR) || defined(_VECTOR_) +#error you must include <Eigen/StdVector> before <vector>. Also note that <Eigen/Sparse> includes <vector>, so it must be included after <Eigen/StdVector> too. +#endif + +#ifndef EIGEN_GNUC_AT_LEAST +#ifdef __GNUC__ + #define EIGEN_GNUC_AT_LEAST(x,y) ((__GNUC__>=x && __GNUC_MINOR__>=y) || __GNUC__>x) +#else + #define EIGEN_GNUC_AT_LEAST(x,y) 0 +#endif +#endif + +#define vector std_vector +#include <vector> +#undef vector + +namespace Eigen { + +template<typename T> class aligned_allocator; + +// meta programming to determine if a class has a given member +struct ei_does_not_have_aligned_operator_new_marker_sizeof {int a[1];}; +struct ei_has_aligned_operator_new_marker_sizeof {int a[2];}; + +template<typename ClassType> +struct ei_has_aligned_operator_new { + template<typename T> + static ei_has_aligned_operator_new_marker_sizeof + test(T const *, typename T::ei_operator_new_marker_type const * = 0); + static ei_does_not_have_aligned_operator_new_marker_sizeof + test(...); + + // note that the following indirection is needed for gcc-3.3 + enum {ret = sizeof(test(static_cast<ClassType*>(0))) + == sizeof(ei_has_aligned_operator_new_marker_sizeof) }; +}; + +#ifdef _MSC_VER + + // sometimes, MSVC detects, at compile time, that the argument x + // in std::vector::resize(size_t s,T x) won't be aligned and generate an error + // even if this function is never called. Whence this little wrapper. + #define _EIGEN_WORKAROUND_MSVC_STD_VECTOR(T) Eigen::ei_workaround_msvc_std_vector<T> + template<typename T> struct ei_workaround_msvc_std_vector : public T + { + inline ei_workaround_msvc_std_vector() : T() {} + inline ei_workaround_msvc_std_vector(const T& other) : T(other) {} + inline operator T& () { return *static_cast<T*>(this); } + inline operator const T& () const { return *static_cast<const T*>(this); } + template<typename OtherT> + inline T& operator=(const OtherT& other) + { T::operator=(other); return *this; } + inline ei_workaround_msvc_std_vector& operator=(const ei_workaround_msvc_std_vector& other) + { T::operator=(other); return *this; } + }; + +#else + + #define _EIGEN_WORKAROUND_MSVC_STD_VECTOR(T) T + +#endif + +} + +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; \ + explicit vector(const allocator_type& __a = allocator_type()) : vector_base(__a) {} \ + vector(const vector& c) : vector_base(c) {} \ + 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, + typename AllocT = std::allocator<T>, + bool HasAlignedNew = Eigen::ei_has_aligned_operator_new<T>::ret> +class vector : public std::std_vector<T,AllocT> +{ + typedef std_vector<T, AllocT> vector_base; + EIGEN_STD_VECTOR_SPECIALIZATION_BODY +}; + +template<typename T,typename DummyAlloc> +class vector<T,DummyAlloc,true> + : public std::std_vector<_EIGEN_WORKAROUND_MSVC_STD_VECTOR(T), + Eigen::aligned_allocator<_EIGEN_WORKAROUND_MSVC_STD_VECTOR(T)> > +{ + typedef std_vector<_EIGEN_WORKAROUND_MSVC_STD_VECTOR(T), + Eigen::aligned_allocator<_EIGEN_WORKAROUND_MSVC_STD_VECTOR(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()); + } + #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); + } + #elif defined(_GLIBCXX_VECTOR) && EIGEN_GNUC_AT_LEAST(4,1) + 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 + vector_base::insert(vector_base::end(), __new_size - vector_base::size(), __x); + } + #else + // Before gcc-4.1 we already have: std::vector::resize(size_type,const T&), + // so no need for a workaround ! + using vector_base::resize; + #endif +}; + +} + +#endif // EIGEN_STDVECTOR_MODULE_H + +#endif // EIGEN_USE_NEW_STDVECTOR
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