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Make EIGEN_HAS_CONSTEXPR user configurable

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This commit is contained in:
Gael Guennebaud
2016-05-20 15:10:08 +02:00
parent c3410804cd
commit ccaace03c9
7 changed files with 17 additions and 9 deletions
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8
Eigen/src/Core/util/Macros.h
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@@ -393,6 +393,8 @@
#endif
// Does the compiler fully support const expressions? (as in c++14)
#ifndef EIGEN_HAS_CONSTEXPR
#ifdef __CUDACC__
// Const expressions are supported provided that c++11 is enabled and we're using either clang or nvcc 7.5 or above
#if EIGEN_MAX_CPP_VER>=14 && (__cplusplus > 199711L && defined(__CUDACC_VER__) && (EIGEN_COMP_CLANG || __CUDACC_VER__ >= 70500))
@@ -403,6 +405,12 @@
#define EIGEN_HAS_CONSTEXPR 1
#endif
#ifndef EIGEN_HAS_CONSTEXPR
#define EIGEN_HAS_CONSTEXPR 0
#endif
#endif
// Does the compiler support C++11 math?
// Let's be conservative and enable the default C++11 implementation only if we are sure it exists
#ifndef EIGEN_HAS_CXX11_MATH