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clang provides __has_feature(is_enum) (but not <type_traits>) in C++03 mode

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This commit is contained in:
Christoph Hertzberg 2017-09-14 19:26:03 +02:00
parent 0c9ad2f525
commit 23f8b00bc8
1 changed files with 1 additions and 1 deletions
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Eigen/src/Core/util/Macros.h
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@ -412,7 +412,7 @@
// Does the compiler support type_trais?
#ifndef EIGEN_HAS_TYPE_TRAITS
#if EIGEN_MAX_CPP_VER>=11 && (EIGEN_HAS_CXX11 || __has_feature(is_enum) || EIGEN_COMP_MSVC >= 1700)
#if EIGEN_MAX_CPP_VER>=11 && (EIGEN_HAS_CXX11 || EIGEN_COMP_MSVC >= 1700)
#define EIGEN_HAS_TYPE_TRAITS 1
#define EIGEN_INCLUDE_TYPE_TRAITS
#else