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| author |  Gael Guennebaud <g.gael@free.fr> | 2019-02-20 13:52:11 +0100 |
|---|---|---|
| committer | Gael Guennebaud <g.gael@free.fr> | 2019-02-20 13:52:11 +0100 |
| commit | edd413c184325eab482a82f68b4308eb2b4f4f9f (patch) | |
| tree | 3173f63b08096c09168549f8e7017fc6518bfb4e /Eigen/src/Core/util/Memory.h | |
| parent | 3b5deeb546d4017b24846f5b0dc3296a50a039fe (diff) | |
bug #1409: make EIGEN_MAKE_ALIGNED_OPERATOR_NEW* macros empty in c++17 mode:
- this helps clang 5 and 6 to support alignas in STL's containers.
- this makes the public API of our (and users) classes cleaner
Diffstat (limited to 'Eigen/src/Core/util/Memory.h')
| -rw-r--r-- | Eigen/src/Core/util/Memory.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Eigen/src/Core/util/Memory.h b/Eigen/src/Core/util/Memory.h index a135761d6..efd747217 100644 --- a/Eigen/src/Core/util/Memory.h +++ b/Eigen/src/Core/util/Memory.h @@ -789,6 +789,17 @@ template<typename T> void swap(scoped_array<T> &a,scoped_array<T> &b) *** Implementation of EIGEN_MAKE_ALIGNED_OPERATOR_NEW [_IF] *** *****************************************************************************/ +#if EIGEN_HAS_CXX17_OVERALIGN + +// C++17 -> no need to bother about alignment anymore :) + +#define EIGEN_MAKE_ALIGNED_OPERATOR_NEW_NOTHROW(NeedsToAlign) +#define EIGEN_MAKE_ALIGNED_OPERATOR_NEW_IF(NeedsToAlign) +#define EIGEN_MAKE_ALIGNED_OPERATOR_NEW +#define EIGEN_MAKE_ALIGNED_OPERATOR_NEW_IF_VECTORIZABLE_FIXED_SIZE(Scalar,Size) + +#else + #if EIGEN_MAX_ALIGN_BYTES!=0 #define EIGEN_MAKE_ALIGNED_OPERATOR_NEW_NOTHROW(NeedsToAlign) \ void* operator new(std::size_t size, const std::nothrow_t&) EIGEN_NO_THROW { \ @@ -831,6 +842,8 @@ template<typename T> void swap(scoped_array<T> &a,scoped_array<T> &b) ((EIGEN_MAX_ALIGN_BYTES>=32) && ((sizeof(Scalar)*(Size))%(EIGEN_MAX_ALIGN_BYTES/2)==0)) || \ ((EIGEN_MAX_ALIGN_BYTES>=64) && ((sizeof(Scalar)*(Size))%(EIGEN_MAX_ALIGN_BYTES/4)==0)) ))) +#endif + /****************************************************************************/ /** \class aligned_allocator |