bc8d3f97eb
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
75 lines
1.9 KiB
C++
75 lines
1.9 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <fenv.h>
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#include <fenv.h>
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#include <type_traits>
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#ifndef FE_DIVBYZERO
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#error FE_DIVBYZERO not defined
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#endif
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#ifndef FE_INEXACT
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#error FE_INEXACT not defined
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#endif
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#ifndef FE_INVALID
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#error FE_INVALID not defined
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#endif
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#ifndef FE_OVERFLOW
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#error FE_OVERFLOW not defined
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#endif
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#ifndef FE_UNDERFLOW
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#error FE_UNDERFLOW not defined
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#endif
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#ifndef FE_ALL_EXCEPT
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#error FE_ALL_EXCEPT not defined
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#endif
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#ifndef FE_DOWNWARD
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#error FE_DOWNWARD not defined
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#endif
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#ifndef FE_TONEAREST
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#error FE_TONEAREST not defined
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#endif
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#ifndef FE_TOWARDZERO
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#error FE_TOWARDZERO not defined
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#endif
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#ifndef FE_UPWARD
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#error FE_UPWARD not defined
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#endif
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#ifndef FE_DFL_ENV
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#error FE_DFL_ENV not defined
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#endif
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int main()
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{
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fenv_t fenv = {0};
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fexcept_t fex = 0;
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static_assert((std::is_same<decltype(feclearexcept(0)), int>::value), "");
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static_assert((std::is_same<decltype(fegetexceptflag(&fex, 0)), int>::value), "");
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static_assert((std::is_same<decltype(feraiseexcept(0)), int>::value), "");
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static_assert((std::is_same<decltype(fesetexceptflag(&fex, 0)), int>::value), "");
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static_assert((std::is_same<decltype(fetestexcept(0)), int>::value), "");
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static_assert((std::is_same<decltype(fegetround()), int>::value), "");
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static_assert((std::is_same<decltype(fesetround(0)), int>::value), "");
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static_assert((std::is_same<decltype(fegetenv(&fenv)), int>::value), "");
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static_assert((std::is_same<decltype(feholdexcept(&fenv)), int>::value), "");
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static_assert((std::is_same<decltype(fesetenv(&fenv)), int>::value), "");
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static_assert((std::is_same<decltype(feupdateenv(&fenv)), int>::value), "");
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}
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