Files
android_external_libcxx/test/libcxx/numerics/c.math/constexpr-fns.pass.cpp
Justin Lebar bb835ac64d [CUDA] Mark __libcpp_{isnan,isinf,isfinite} as constexpr.
Summary:
This makes these functions available on host and device, which is
necessary to compile <complex> for the device.

Reviewers: hfinkel, EricWF

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D25403

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@287012 91177308-0d34-0410-b5e6-96231b3b80d8
2016-11-15 19:15:57 +00:00

30 lines
967 B
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//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// Check that the overloads of std::__libcpp_{isnan,isinf,isfinite} that take
// floating-point values are evaluatable from constexpr contexts.
//
// These functions need to be constexpr in order to be called from CUDA, see
// https://reviews.llvm.org/D25403. They don't actually need to be
// constexpr-evaluatable, but that's what we check here, since we can't check
// true constexpr-ness.
//
// UNSUPPORTED: c++98, c++03
#include <cmath>
constexpr bool a = std::__libcpp_isnan(0.);
constexpr bool b = std::__libcpp_isinf(0.0);
constexpr bool c = std::__libcpp_isfinite(0.0);
int main()
{
return 0;
}