[PATCH] D53670: Revert "Teach __libcpp_is_floating_point that __fp16 and _Float16 are"

[Petr Hosek via Phabricator]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL345199: Revert "Teach __libcpp_is_floating_point that __fp16 and _Float16 are" (authored by phosek, committed by ).
Herald added a subscriber: llvm-commits.

Changed prior to commit:
  https://reviews.llvm.org/D53670?vs=170978&id=170985#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D53670

Files:
  libcxx/trunk/include/type_traits
  libcxx/trunk/test/libcxx/type_traits/is_floating_point.pass.cpp


Index: libcxx/trunk/include/type_traits
===================================================================
--- libcxx/trunk/include/type_traits
+++ libcxx/trunk/include/type_traits
@@ -738,12 +738,6 @@
 // is_floating_point
 
 template <class _Tp> struct __libcpp_is_floating_point              : public false_type {};
-#ifdef __clang__
-template <>          struct __libcpp_is_floating_point<__fp16>      : public true_type {};
-#endif
-#ifdef __FLT16_MANT_DIG__
-template <>          struct __libcpp_is_floating_point<_Float16>    : public true_type {};
-#endif
 template <>          struct __libcpp_is_floating_point<float>       : public true_type {};
 template <>          struct __libcpp_is_floating_point<double>      : public true_type {};
 template <>          struct __libcpp_is_floating_point<long double> : public true_type {};
Index: libcxx/trunk/test/libcxx/type_traits/is_floating_point.pass.cpp
===================================================================
--- libcxx/trunk/test/libcxx/type_traits/is_floating_point.pass.cpp
+++ libcxx/trunk/test/libcxx/type_traits/is_floating_point.pass.cpp
@@ -1,24 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// <type_traits>
-//
-// Test that is_floating_point<T>::value is true when T=__fp16 or T=_Float16.
-
-#include <type_traits>
-
-int main() {
-#ifdef __clang__
-  static_assert(std::is_floating_point<__fp16>::value, "");
-#endif
-#ifdef __FLT16_MANT_DIG__
-  static_assert(std::is_floating_point<_Float16>::value, "");
-#endif
-  return 0;
-}


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