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Diffstat (limited to 'extern/ceres/include/ceres/internal/manual_constructor.h')
| -rw-r--r-- | extern/ceres/include/ceres/internal/manual_constructor.h | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/extern/ceres/include/ceres/internal/manual_constructor.h b/extern/ceres/include/ceres/internal/manual_constructor.h deleted file mode 100644 index 0d7633cef83..00000000000 --- a/extern/ceres/include/ceres/internal/manual_constructor.h +++ /dev/null @@ -1,208 +0,0 @@ -// Ceres Solver - A fast non-linear least squares minimizer -// Copyright 2015 Google Inc. All rights reserved. -// http://ceres-solver.org/ -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are met: -// -// * Redistributions of source code must retain the above copyright notice, -// this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above copyright notice, -// this list of conditions and the following disclaimer in the documentation -// and/or other materials provided with the distribution. -// * Neither the name of Google Inc. nor the names of its contributors may be -// used to endorse or promote products derived from this software without -// specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -// POSSIBILITY OF SUCH DAMAGE. -// -// Author: kenton@google.com (Kenton Varda) -// -// ManualConstructor statically-allocates space in which to store some -// object, but does not initialize it. You can then call the constructor -// and destructor for the object yourself as you see fit. This is useful -// for memory management optimizations, where you want to initialize and -// destroy an object multiple times but only allocate it once. -// -// (When I say ManualConstructor statically allocates space, I mean that -// the ManualConstructor object itself is forced to be the right size.) - -#ifndef CERES_PUBLIC_INTERNAL_MANUAL_CONSTRUCTOR_H_ -#define CERES_PUBLIC_INTERNAL_MANUAL_CONSTRUCTOR_H_ - -#include <new> - -namespace ceres { -namespace internal { - -// ------- Define CERES_ALIGNED_CHAR_ARRAY -------------------------------- - -#ifndef CERES_ALIGNED_CHAR_ARRAY - -// Because MSVC and older GCCs require that the argument to their alignment -// construct to be a literal constant integer, we use a template instantiated -// at all the possible powers of two. -template<int alignment, int size> struct AlignType { }; -template<int size> struct AlignType<0, size> { typedef char result[size]; }; - -#if !defined(CERES_ALIGN_ATTRIBUTE) -#define CERES_ALIGNED_CHAR_ARRAY you_must_define_CERES_ALIGNED_CHAR_ARRAY_for_your_compiler -#else // !defined(CERES_ALIGN_ATTRIBUTE) - -#define CERES_ALIGN_TYPE_TEMPLATE(X) \ - template<int size> struct AlignType<X, size> { \ - typedef CERES_ALIGN_ATTRIBUTE(X) char result[size]; \ - } - -CERES_ALIGN_TYPE_TEMPLATE(1); -CERES_ALIGN_TYPE_TEMPLATE(2); -CERES_ALIGN_TYPE_TEMPLATE(4); -CERES_ALIGN_TYPE_TEMPLATE(8); -CERES_ALIGN_TYPE_TEMPLATE(16); -CERES_ALIGN_TYPE_TEMPLATE(32); -CERES_ALIGN_TYPE_TEMPLATE(64); -CERES_ALIGN_TYPE_TEMPLATE(128); -CERES_ALIGN_TYPE_TEMPLATE(256); -CERES_ALIGN_TYPE_TEMPLATE(512); -CERES_ALIGN_TYPE_TEMPLATE(1024); -CERES_ALIGN_TYPE_TEMPLATE(2048); -CERES_ALIGN_TYPE_TEMPLATE(4096); -CERES_ALIGN_TYPE_TEMPLATE(8192); -// Any larger and MSVC++ will complain. - -#undef CERES_ALIGN_TYPE_TEMPLATE - -#define CERES_ALIGNED_CHAR_ARRAY(T, Size) \ - typename AlignType<CERES_ALIGN_OF(T), sizeof(T) * Size>::result - -#endif // !defined(CERES_ALIGN_ATTRIBUTE) - -#endif // CERES_ALIGNED_CHAR_ARRAY - -template <typename Type> -class ManualConstructor { - public: - // No constructor or destructor because one of the most useful uses of - // this class is as part of a union, and members of a union cannot have - // constructors or destructors. And, anyway, the whole point of this - // class is to bypass these. - - inline Type* get() { - return reinterpret_cast<Type*>(space_); - } - inline const Type* get() const { - return reinterpret_cast<const Type*>(space_); - } - - inline Type* operator->() { return get(); } - inline const Type* operator->() const { return get(); } - - inline Type& operator*() { return *get(); } - inline const Type& operator*() const { return *get(); } - - // This is needed to get around the strict aliasing warning GCC generates. - inline void* space() { - return reinterpret_cast<void*>(space_); - } - - // You can pass up to four constructor arguments as arguments of Init(). - inline void Init() { - new(space()) Type; - } - - template <typename T1> - inline void Init(const T1& p1) { - new(space()) Type(p1); - } - - template <typename T1, typename T2> - inline void Init(const T1& p1, const T2& p2) { - new(space()) Type(p1, p2); - } - - template <typename T1, typename T2, typename T3> - inline void Init(const T1& p1, const T2& p2, const T3& p3) { - new(space()) Type(p1, p2, p3); - } - - template <typename T1, typename T2, typename T3, typename T4> - inline void Init(const T1& p1, const T2& p2, const T3& p3, const T4& p4) { - new(space()) Type(p1, p2, p3, p4); - } - - template <typename T1, typename T2, typename T3, typename T4, typename T5> - inline void Init(const T1& p1, const T2& p2, const T3& p3, const T4& p4, - const T5& p5) { - new(space()) Type(p1, p2, p3, p4, p5); - } - - template <typename T1, typename T2, typename T3, typename T4, typename T5, - typename T6> - inline void Init(const T1& p1, const T2& p2, const T3& p3, const T4& p4, - const T5& p5, const T6& p6) { - new(space()) Type(p1, p2, p3, p4, p5, p6); - } - - template <typename T1, typename T2, typename T3, typename T4, typename T5, - typename T6, typename T7> - inline void Init(const T1& p1, const T2& p2, const T3& p3, const T4& p4, - const T5& p5, const T6& p6, const T7& p7) { - new(space()) Type(p1, p2, p3, p4, p5, p6, p7); - } - - template <typename T1, typename T2, typename T3, typename T4, typename T5, - typename T6, typename T7, typename T8> - inline void Init(const T1& p1, const T2& p2, const T3& p3, const T4& p4, - const T5& p5, const T6& p6, const T7& p7, const T8& p8) { - new(space()) Type(p1, p2, p3, p4, p5, p6, p7, p8); - } - - template <typename T1, typename T2, typename T3, typename T4, typename T5, - typename T6, typename T7, typename T8, typename T9> - inline void Init(const T1& p1, const T2& p2, const T3& p3, const T4& p4, - const T5& p5, const T6& p6, const T7& p7, const T8& p8, - const T9& p9) { - new(space()) Type(p1, p2, p3, p4, p5, p6, p7, p8, p9); - } - - template <typename T1, typename T2, typename T3, typename T4, typename T5, - typename T6, typename T7, typename T8, typename T9, typename T10> - inline void Init(const T1& p1, const T2& p2, const T3& p3, const T4& p4, - const T5& p5, const T6& p6, const T7& p7, const T8& p8, - const T9& p9, const T10& p10) { - new(space()) Type(p1, p2, p3, p4, p5, p6, p7, p8, p9, p10); - } - - template <typename T1, typename T2, typename T3, typename T4, typename T5, - typename T6, typename T7, typename T8, typename T9, typename T10, - typename T11> - inline void Init(const T1& p1, const T2& p2, const T3& p3, const T4& p4, - const T5& p5, const T6& p6, const T7& p7, const T8& p8, - const T9& p9, const T10& p10, const T11& p11) { - new(space()) Type(p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11); - } - - inline void Destroy() { - get()->~Type(); - } - - private: - CERES_ALIGNED_CHAR_ARRAY(Type, 1) space_; -}; - -#undef CERES_ALIGNED_CHAR_ARRAY - -} // namespace internal -} // namespace ceres - -#endif // CERES_PUBLIC_INTERNAL_MANUAL_CONSTRUCTOR_H_ |