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bug #829: Introduce macro EIGEN_HAS_CXX11_CONTAINERS and do not specialize std-containers if it is enabled.

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This commit is contained in:
Christoph Hertzberg 2015-08-14 16:09:48 +02:00
parent a5d1bb2be8
commit 712e2fed17
4 changed files with 17 additions and 3 deletions
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9
Eigen/src/Core/util/Macros.h
View File

@ -370,6 +370,15 @@
#endif
#endif
// Does the compiler support proper C++11 containers?
#ifndef EIGEN_HAS_CXX11_CONTAINERS
#if ((__cplusplus >= 201103L) && (EIGEN_COMP_GNUC_STRICT || EIGEN_COMP_CLANG)) || EIGEN_COMP_MSVC >= 1900
#define EIGEN_HAS_CXX11_CONTAINERS 1
#else
#define EIGEN_HAS_CXX11_CONTAINERS 0
#endif
#endif
/** Allows to disable some optimizations which might affect the accuracy of the result.
* Such optimization are enabled by default, and set EIGEN_FAST_MATH to 0 to disable them.
* They currently include:

2
Eigen/src/StlSupport/StdDeque.h
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@ -53,7 +53,7 @@ namespace std \
}
// check whether we really need the std::deque specialization
#if !(defined(_GLIBCXX_DEQUE) && (!EIGEN_GNUC_AT_LEAST(4,1))) /* Note that before gcc-4.1 we already have: std::deque::resize(size_type,const T&). */
#if !EIGEN_HAS_CXX11_CONTAINERS && !(defined(_GLIBCXX_DEQUE) && (!EIGEN_GNUC_AT_LEAST(4,1))) /* Note that before gcc-4.1 we already have: std::deque::resize(size_type,const T&). */
namespace std {

4
Eigen/src/StlSupport/StdList.h
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@ -51,8 +51,8 @@ namespace std \
}; \
}
// check whether we really need the std::vector specialization
#if !(defined(_GLIBCXX_VECTOR) && (!EIGEN_GNUC_AT_LEAST(4,1))) /* Note that before gcc-4.1 we already have: std::list::resize(size_type,const T&). */
// check whether we really need the std::list specialization
#if !EIGEN_HAS_CXX11_CONTAINERS && !(defined(_GLIBCXX_LIST) && (!EIGEN_GNUC_AT_LEAST(4,1))) /* Note that before gcc-4.1 we already have: std::list::resize(size_type,const T&). */
namespace std
{

5
Eigen/src/StlSupport/StdVector.h
View File

@ -44,6 +44,9 @@ namespace std \
}; \
}
// Don't specialize if containers are implemented according to C++11
#if !EIGEN_HAS_CXX11_CONTAINERS
namespace std {
#define EIGEN_STD_VECTOR_SPECIALIZATION_BODY \
@ -122,5 +125,7 @@ namespace std {
#endif
};
}
#endif // !EIGEN_HAS_CXX11_CONTAINERS
#endif // EIGEN_STDVECTOR_H