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Enable the use of constant expressions with clang >= 3.6

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This commit is contained in:
Benoit Steiner 2016-11-20 10:34:49 -08:00
parent 6d781e3e52
commit ed839c5851
1 changed files with 2 additions and 1 deletions
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3
Eigen/src/Core/util/Macros.h
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@ -418,7 +418,8 @@
#define EIGEN_HAS_CONSTEXPR 1
#endif
#elif EIGEN_MAX_CPP_VER>=14 && (__has_feature(cxx_relaxed_constexpr) || (defined(__cplusplus) && __cplusplus >= 201402L) || \
(EIGEN_GNUC_AT_LEAST(4,8) && (__cplusplus > 199711L)))
(EIGEN_GNUC_AT_LEAST(4,8) && (__cplusplus > 199711L)) || \
(EIGEN_COMP_CLANG >= 306 && (__cplusplus > 199711L)))
#define EIGEN_HAS_CONSTEXPR 1
#endif