Eric Fiselier ecc2c089fd Add fenv.h header ...

Summary:
Some implementations of fenv.h use macros to define the functions they provide. This can cause problems when `std::fegetround()` is spelled in source.

This patch adds a `fenv.h` header to libc++ for the sole purpose of turning those macros into real functions.

Reviewers: rsmith, mclow.lists, ldionne

Reviewed By: rsmith

Subscribers: mgorny, christof, libcxx-commits

Differential Revision: https://reviews.llvm.org/D57729

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@353767 91177308-0d34-0410-b5e6-96231b3b80d8

2019-02-11 23:47:19 +00:00

..

assert_h.pass.cpp

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ciso646.pass.cpp

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complex.h.pass.cpp

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ctype_h.pass.cpp

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errno_h.pass.cpp

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fenv_h.pass.cpp

Add fenv.h header

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float_h.pass.cpp

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inttypes_h.pass.cpp

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iso646_h.pass.cpp

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limits_h.pass.cpp

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locale_h.pass.cpp

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math_h.pass.cpp

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setjmp_h.pass.cpp

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signal_h.pass.cpp

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stdarg_h.pass.cpp

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stdbool_h.pass.cpp

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stddef_h.pass.cpp

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stdint_h.pass.cpp

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stdio_h.pass.cpp

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stdlib_h.pass.cpp

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string_h.pass.cpp

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tgmath_h.pass.cpp

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time_h.pass.cpp

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uchar_h.pass.cpp

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wchar_h.pass.cpp

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wctype_h.pass.cpp

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