a90c6dd460
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@224658 91177308-0d34-0410-b5e6-96231b3b80d8
31 lines
887 B
C++
31 lines
887 B
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <cmath>
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// isnan
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// XFAIL: linux
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#include <cmath>
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#include <type_traits>
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#include <cassert>
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int main()
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{
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#ifdef isnan
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#error isnan defined
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#endif
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static_assert((std::is_same<decltype(std::isnan((float)0)), bool>::value), "");
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static_assert((std::is_same<decltype(std::isnan((double)0)), bool>::value), "");
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static_assert((std::is_same<decltype(std::isnan(0)), bool>::value), "");
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static_assert((std::is_same<decltype(std::isnan((long double)0)), bool>::value), "");
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assert(std::isnan(-1.0) == false);
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}
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