diff options
| -rw-r--r-- | Eigen/src/Core/util/Macros.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Eigen/src/Core/util/Macros.h b/Eigen/src/Core/util/Macros.h index 8def69610..d375c77dd 100644 --- a/Eigen/src/Core/util/Macros.h +++ b/Eigen/src/Core/util/Macros.h @@ -341,6 +341,13 @@ #define EIGEN_HAVE_RVALUE_REFERENCES #endif +// Does the compiler support C99? +#if (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901)) \ + || (defined(__GNUC__) && defined(_GLIBCXX_USE_C99)) \ + || (defined(_LIBCPP_VERSION) && !defined(_MSC_VER)) +#define EIGEN_HAS_C99_MATH 1 +#endif + // Does the compiler support result_of? #if (__has_feature(cxx_lambdas) || (defined(__cplusplus) && __cplusplus >= 201103L)) #define EIGEN_HAS_STD_RESULT_OF 1 |