31 lines
887 B
C++
31 lines
887 B
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <cmath>
|
|
|
|
// isnan
|
|
|
|
// XFAIL: linux
|
|
|
|
#include <cmath>
|
|
#include <type_traits>
|
|
#include <cassert>
|
|
|
|
int main()
|
|
{
|
|
#ifdef isnan
|
|
#error isnan defined
|
|
#endif
|
|
static_assert((std::is_same<decltype(std::isnan((float)0)), bool>::value), "");
|
|
static_assert((std::is_same<decltype(std::isnan((double)0)), bool>::value), "");
|
|
static_assert((std::is_same<decltype(std::isnan(0)), bool>::value), "");
|
|
static_assert((std::is_same<decltype(std::isnan((long double)0)), bool>::value), "");
|
|
assert(std::isnan(-1.0) == false);
|
|
}
|