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bug #266: backport changeset 7c99b38b7c

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about support for c++11 move semantic
This commit is contained in:
Gael Guennebaud
2015-10-21 09:21:07 +02:00
parent a7c2e62a52
commit f444996a7a
7 changed files with 278 additions and 80 deletions
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14
Eigen/src/Core/util/Macros.h
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@@ -96,6 +96,20 @@
#define EIGEN_DEFAULT_DENSE_INDEX_TYPE std::ptrdiff_t
#endif
// A Clang feature extension to determine compiler features.
// We use it to determine 'cxx_rvalue_references'
#ifndef __has_feature
# define __has_feature(x) 0
#endif
// Do we support r-value references?
#if (__has_feature(cxx_rvalue_references) || \
defined(__GXX_EXPERIMENTAL_CXX0X__) || \
(defined(_MSC_VER) && _MSC_VER >= 1600))
#define EIGEN_HAVE_RVALUE_REFERENCES
#endif
// Cross compiler wrapper around LLVM's __has_builtin
#ifdef __has_builtin
# define EIGEN_HAS_BUILTIN(x) __has_builtin(x)