libstdc++-v3/testsuite/tr1/5_numerical_facilities/special_functions/23_sph_neumann/check_nan.cc

   1 // { dg-require-c-std "" }
   2
   3 // 2007-01-10  Edward Smith-Rowland <3dw4rd@verizon.net>
   4 //
   5 // Copyright (C) 2007 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 2, or (at your option)
  11 // any later version.
  12 //
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING.  If not, write to the Free
  20 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  21 // USA.
  22
  23 // 5.2.1.23 sph_neumann
  24
  25 #include <tr1/cmath>
  26 #include <testsuite_hooks.h>
  27
  28 void
  29 test01()
  30 {
  31   float xf = std::numeric_limits<float>::quiet_NaN();
  32   double xd = std::numeric_limits<double>::quiet_NaN();
  33   long double xl = std::numeric_limits<long double>::quiet_NaN();
  34
  35   unsigned int n = 0;
  36
  37   float a = std::tr1::sph_neumann(n, xf);
  38   float b = std::tr1::sph_neumannf(n, xf);
  39   double c = std::tr1::sph_neumann(n, xd);
  40   long double d = std::tr1::sph_neumann(n, xl);
  41   long double e = std::tr1::sph_neumannl(n, xl);
  42
  43   VERIFY(std::tr1::isnan<float>(a));
  44   VERIFY(std::tr1::isnan<float>(b));
  45   VERIFY(std::tr1::isnan<double>(c));
  46   VERIFY(std::tr1::isnan<long double>(d));
  47   VERIFY(std::tr1::isnan<long double>(e));
  48
  49   return;
  50 }
  51
  52 int
  53 main()
  54 {
  55   test01();
  56   return 0;
  57 }
  58