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Diffstat (limited to 'unsupported/Eigen/CXX11/src/util/EmulateCXX11Meta.h')
| -rw-r--r-- | unsupported/Eigen/CXX11/src/util/EmulateCXX11Meta.h | 311 |
1 files changed, 0 insertions, 311 deletions
diff --git a/unsupported/Eigen/CXX11/src/util/EmulateCXX11Meta.h b/unsupported/Eigen/CXX11/src/util/EmulateCXX11Meta.h deleted file mode 100644 index f3aa1b144..000000000 --- a/unsupported/Eigen/CXX11/src/util/EmulateCXX11Meta.h +++ /dev/null @@ -1,311 +0,0 @@ -// This file is part of Eigen, a lightweight C++ template library -// for linear algebra. -// -// 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_EMULATE_CXX11_META_H -#define EIGEN_EMULATE_CXX11_META_H - - - -namespace Eigen { - -namespace internal { - -/** \internal - * \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. - */ - -struct empty_list { static const std::size_t count = 0; }; - -template<typename T, typename Tail=empty_list> struct type_list { - typedef T HeadType; - typedef Tail TailType; - static const T head; - static const Tail tail; - static const std::size_t count = 1 + Tail::count; -}; - -struct null_type { }; - -template<typename T1 = null_type, typename T2 = null_type, typename T3 = null_type, - typename T4 = null_type, typename T5 = null_type, typename T6 = null_type, - typename T7 = null_type, typename T8 = null_type> -struct make_type_list { - typedef typename make_type_list<T2, T3, T4, T5, T6, T7, T8>::type tailresult; - - typedef type_list<T1, tailresult> type; -}; - -template<> struct make_type_list<> { - typedef empty_list type; -}; - - -template <std::size_t index, class TList> struct get_type; - -template <class Head, class Tail> -struct get_type<0, type_list<Head, Tail> > -{ - typedef Head type; -}; - -template <std::size_t i, class Head, class Tail> -struct get_type<i, type_list<Head, Tail> > -{ - typedef typename get_type<i-1, Tail>::type type; -}; - - -/* numeric list */ -template <typename T, T n> -struct type2val { - typedef T type; - static const T value = n; -}; - - -template<typename T, size_t n, T V> struct gen_numeric_list_repeated; - -template<typename T, T V> struct gen_numeric_list_repeated<T, 1, V> { - typedef typename make_type_list<type2val<T, V> >::type type; -}; - -template<typename T, T V> struct gen_numeric_list_repeated<T, 2, V> { - typedef typename make_type_list<type2val<T, V>, type2val<T, V> >::type type; -}; - -template<typename T, T V> struct gen_numeric_list_repeated<T, 3, V> { - typedef typename make_type_list<type2val<T, V>, type2val<T, V>, type2val<T, V> >::type type; -}; - -template<typename T, T V> struct gen_numeric_list_repeated<T, 4, V> { - typedef typename make_type_list<type2val<T, V>, type2val<T, V>, type2val<T, V>, type2val<T, V> >::type type; -}; - -template<typename T, T V> struct gen_numeric_list_repeated<T, 5, V> { - typedef typename make_type_list<type2val<T, V>, type2val<T, V>, type2val<T, V>, type2val<T, V>, type2val<T, V> >::type type; -}; - -template<typename T, T V> struct gen_numeric_list_repeated<T, 6, V> { - typedef typename make_type_list<type2val<T, V>, type2val<T, V>, type2val<T, V>, - type2val<T, V>, type2val<T, V>, type2val<T, V> >::type type; -}; - -template<typename T, T V> struct gen_numeric_list_repeated<T, 7, V> { - typedef typename make_type_list<type2val<T, V>, type2val<T, V>, type2val<T, V>, - type2val<T, V>, type2val<T, V>, type2val<T, V>, - type2val<T, V> >::type type; -}; - -template<typename T, T V> struct gen_numeric_list_repeated<T, 8, V> { - typedef typename make_type_list<type2val<T, V>, type2val<T, V>, type2val<T, V>, - type2val<T, V>, type2val<T, V>, type2val<T, V>, - type2val<T, V>, type2val<T, V> >::type type; -}; - - -template <std::size_t index, class NList> struct get; - -template <std::size_t i> -struct get<i, empty_list> -{ - get() { eigen_assert(false && "index overflow"); } - typedef void type; - static const char value = '\0'; -}; - -template <std::size_t i, class Head> -struct get<i, type_list<Head, empty_list> > -{ - get() { eigen_assert(false && "index overflow"); } - typedef void type; - static const char value = '\0'; -}; - -template <class Head> -struct get<0, type_list<Head, empty_list> > -{ - typedef typename Head::type type; - static const type value = Head::value; -}; - -template <class Head, class Tail> -struct get<0, type_list<Head, Tail> > -{ - typedef typename Head::type type; - static const type value = Head::value; -}; - -template <std::size_t i, class Head, class Tail> -struct get<i, type_list<Head, Tail> > -{ - typedef typename Tail::HeadType::type type; - static const type value = get<i-1, Tail>::value; -}; - - -template <class NList> struct arg_prod { - static const typename NList::HeadType::type value = get<0, NList>::value * arg_prod<typename NList::TailType>::value; -}; -template <> struct arg_prod<empty_list> { - static const int value = 1; -}; - - -template<int n, typename t> -array<t, n> repeat(t v) { - array<t, n> array; - array.fill(v); - return array; -} - -template<std::size_t I, class Head, class Tail> -EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE typename Head::type array_get(type_list<Head, Tail>&) { - return get<I, type_list<Head, Tail> >::value; -} -template<std::size_t I, class Head, class Tail> -EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE typename Head::type array_get(const type_list<Head, Tail>&) { - return get<I, type_list<Head, Tail> >::value; -} - -template <class NList> -EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE typename NList::HeadType::type array_prod(const NList&) { - return arg_prod<NList>::value; -} - -template<typename t, std::size_t n> -EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE t array_prod(const array<t, n>& a) { - t prod = 1; - for (size_t i = 0; i < n; ++i) { prod *= a[i]; } - return prod; -} -template<typename t> -EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE t array_prod(const array<t, 0>& /*a*/) { - return 0; -} - -template<typename t> -EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE t array_prod(const std::vector<t>& a) { - eigen_assert(a.size() > 0); - t prod = 1; - for (size_t i = 0; i < a.size(); ++i) { prod *= a[i]; } - return prod; -} - - -template<std::size_t I, class T> -EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE T& array_get(std::vector<T>& a) { - return a[I]; -} -template<std::size_t I, class T> -EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE const T& array_get(const std::vector<T>& a) { - return a[I]; -} - -struct sum_op { - template<typename A, typename B> static inline bool run(A a, B b) { return a + b; } -}; -struct product_op { - template<typename A, typename B> static inline bool run(A a, B b) { return a * b; } -}; - -struct logical_and_op { - template<typename A, typename B> static inline bool run(A a, B b) { return a && b; } -}; -struct logical_or_op { - template<typename A, typename B> static inline bool run(A a, B b) { return a || b; } -}; - -struct equal_op { - template<typename A, typename B> static inline bool run(A a, B b) { return a == b; } -}; -struct not_equal_op { - template<typename A, typename B> static inline bool run(A a, B b) { return a != b; } -}; -struct lesser_op { - template<typename A, typename B> static inline bool run(A a, B b) { return a < b; } -}; -struct lesser_equal_op { - template<typename A, typename B> static inline bool run(A a, B b) { return a <= b; } -}; - -struct greater_op { - template<typename A, typename B> static inline bool run(A a, B b) { return a > b; } -}; -struct greater_equal_op { - template<typename A, typename B> static inline bool run(A a, B b) { return a >= b; } -}; - -struct not_op { - template<typename A> static inline bool run(A a) { return !a; } -}; -struct negation_op { - template<typename A> static inline bool run(A a) { return -a; } -}; -struct greater_equal_zero_op { - template<typename A> static inline bool run(A a) { return a >= 0; } -}; - - -template<typename Reducer, typename Op, typename A, std::size_t N> -struct ArrayApplyAndReduce { - static inline bool run(const array<A, N>& a) { - EIGEN_STATIC_ASSERT(N >= 2, YOU_MADE_A_PROGRAMMING_MISTAKE); - bool result = Reducer::run(Op::run(a[0]), Op::run(a[1])); - for (size_t i = 2; i < N; ++i) { - result = Reducer::run(result, Op::run(a[i])); - } - return result; - } -}; - -template<typename Reducer, typename Op, typename A> -struct ArrayApplyAndReduce<Reducer, Op, A, 1> { - static inline bool run(const array<A, 1>& a) { - return Op::run(a[0]); - } -}; - -template<typename Reducer, typename Op, typename A, std::size_t N> -inline bool array_apply_and_reduce(const array<A, N>& a) { - return ArrayApplyAndReduce<Reducer, Op, A, N>::run(a); -} - -template<typename Reducer, typename Op, typename A, typename B, std::size_t N> -struct ArrayZipAndReduce { - static inline bool run(const array<A, N>& a, const array<B, N>& b) { - EIGEN_STATIC_ASSERT(N >= 2, YOU_MADE_A_PROGRAMMING_MISTAKE); - bool result = Reducer::run(Op::run(a[0], b[0]), Op::run(a[1], b[1])); - for (size_t i = 2; i < N; ++i) { - result = Reducer::run(result, Op::run(a[i], b[i])); - } - return result; - } -}; - -template<typename Reducer, typename Op, typename A, typename B> -struct ArrayZipAndReduce<Reducer, Op, A, B, 1> { - static inline bool run(const array<A, 1>& a, const array<B, 1>& b) { - return Op::run(a[0], b[0]); - } -}; - -template<typename Reducer, typename Op, typename A, typename B, std::size_t N> -inline bool array_zip_and_reduce(const array<A, N>& a, const array<B, N>& b) { - return ArrayZipAndReduce<Reducer, Op, A, B, N>::run(a, b); -} - -} // end namespace internal - -} // end namespace Eigen - - - -#endif // EIGEN_EMULATE_CXX11_META_H |