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// { dg-require-c-std "" }
// { dg-add-options ieee }
 
// 2007-01-10  Edward Smith-Rowland <3dw4rd@verizon.net>
//
// Copyright (C) 2007, 2009 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3.  If not see
// <http://www.gnu.org/licenses/>.
 
// 5.2.1.10 cyl_bessel_k
 
#include <tr1/cmath>
#include <testsuite_hooks.h>
 
void
test01()
{
  float xf = std::numeric_limits<float>::quiet_NaN();
  double xd = std::numeric_limits<double>::quiet_NaN();
  long double xl = std::numeric_limits<long double>::quiet_NaN();
 
  float nuf = 0.0F;
  double nud = 0.0;
  long double nul = 0.0L;
 
  float a = std::tr1::cyl_bessel_k(nuf, xf);
  float b = std::tr1::cyl_bessel_kf(nuf, xf);
  double c = std::tr1::cyl_bessel_k(nud, xd);
  long double d = std::tr1::cyl_bessel_k(nul, xl);
  long double e = std::tr1::cyl_bessel_kl(nul, xl);
 
  VERIFY(std::tr1::isnan<float>(a));
  VERIFY(std::tr1::isnan<float>(b));
  VERIFY(std::tr1::isnan<double>(c));
  VERIFY(std::tr1::isnan<long double>(d));
  VERIFY(std::tr1::isnan<long double>(e));
 
  return;
}
 
void
test02()
{
  float xf = 1.0F;
  double xd = 1.0;
  long double xl = 1.0L;
 
  float nuf = std::numeric_limits<float>::quiet_NaN();
  double nud = std::numeric_limits<double>::quiet_NaN();
  long double nul = std::numeric_limits<long double>::quiet_NaN();
 
  float a = std::tr1::cyl_bessel_k(nuf, xf);
  float b = std::tr1::cyl_bessel_kf(nuf, xf);
  double c = std::tr1::cyl_bessel_k(nud, xd);
  long double d = std::tr1::cyl_bessel_k(nul, xl);
  long double e = std::tr1::cyl_bessel_kl(nul, xl);
 
  VERIFY(std::tr1::isnan<float>(a));
  VERIFY(std::tr1::isnan<float>(b));
  VERIFY(std::tr1::isnan<double>(c));
  VERIFY(std::tr1::isnan<long double>(d));
  VERIFY(std::tr1::isnan<long double>(e));
 
  return;
}
 
int
main()
{
  test01();
  test02();
  return 0;
}