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Use EIGEN_HAS_CXX11 and EIGEN_COMP_CXXVER macros to detect C++ version for std::result_of and std::invoke_result.

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Fixes #2209
This commit is contained in:
Christoph Hertzberg 2021-04-11 16:51:48 +02:00
parent f6fc66aa75
commit 1e1c8a735c
1 changed files with 2 additions and 4 deletions
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6
Eigen/src/Core/util/Macros.h
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@ -684,8 +684,7 @@
// Does the compiler support result_of?
// result_of was deprecated in c++17 and removed in c++ 20
#ifndef EIGEN_HAS_STD_RESULT_OF
#if EIGEN_MAX_CPP_VER >= 11 && \
(defined(__cplusplus) && __cplusplus >= 201103L && __cplusplus < 201703L)
#if EIGEN_HAS_CXX11 && EIGEN_COMP_CXXVER < 17
#define EIGEN_HAS_STD_RESULT_OF 1
#else
#define EIGEN_HAS_STD_RESULT_OF 0
@ -704,8 +703,7 @@
#endif // EIGEN_HAS_STD_HASH
#ifndef EIGEN_HAS_STD_INVOKE_RESULT
#if EIGEN_MAX_CPP_VER >= 17 && \
(defined(__cplusplus) && __cplusplus >= 201703L)
#if EIGEN_MAX_CPP_VER >= 17 && EIGEN_COMP_CXXVER >= 17
#define EIGEN_HAS_STD_INVOKE_RESULT 1
#else
#define EIGEN_HAS_STD_INVOKE_RESULT 0