diff options
| -rw-r--r-- | Eigen/src/Core/util/Macros.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Eigen/src/Core/util/Macros.h b/Eigen/src/Core/util/Macros.h index 73a9883b9..b15819f7d 100644 --- a/Eigen/src/Core/util/Macros.h +++ b/Eigen/src/Core/util/Macros.h @@ -518,6 +518,8 @@ #endif // Does the compiler support C99? +// Need to include <cmath> to make sure _GLIBCXX_USE_C99 gets defined +#include <cmath> #ifndef EIGEN_HAS_C99_MATH #if EIGEN_MAX_CPP_VER>=11 && \ ((defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901)) \ |