libstdc++-v3/testsuite/ext/special_functions/airy_bi/check_nan.cc

   1 // { dg-do run { target c++11 } }
   2 // { dg-require-c-std "" }
   3 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
   4 // { dg-add-options ieee }
   5 // { dg-skip-if "no extensions in strict dialects" { *-*-* } { "-std=c++*" } }
   6 // { dg-prune-output ".*warning: tgammal has lower than advertised precision" }
   7
   8 // Copyright (C) 2016-2022 Free Software Foundation, Inc.
   9 //
  10 // This file is part of the GNU ISO C++ Library.  This library is free
  11 // software; you can redistribute it and/or modify it under the
  12 // terms of the GNU General Public License as published by the
  13 // Free Software Foundation; either version 3, or (at your option)
  14 // any later version.
  15 //
  16 // This library is distributed in the hope that it will be useful,
  17 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 // GNU General Public License for more details.
  20 //
  21 // You should have received a copy of the GNU General Public License along
  22 // with this library; see the file COPYING3.  If not see
  23 // <http://www.gnu.org/licenses/>.
  24
  25 // airy_bi
  26
  27 #include <cmath>
  28 #include <testsuite_hooks.h>
  29
  30 void
  31 test01()
  32 {
  33   float xf = std::numeric_limits<float>::quiet_NaN();
  34   double xd = std::numeric_limits<double>::quiet_NaN();
  35   long double xl = std::numeric_limits<long double>::quiet_NaN();
  36
  37   float a = __gnu_cxx::airy_bi(xf);
  38   float b = __gnu_cxx::airy_bif(xf);
  39   double c = __gnu_cxx::airy_bi(xd);
  40   long double d = __gnu_cxx::airy_bi(xl);
  41   long double e = __gnu_cxx::airy_bil(xl);
  42
  43   bool test [[gnu::unused]] = true;
  44   VERIFY(std::isnan(a));
  45   VERIFY(std::isnan(b));
  46   VERIFY(std::isnan(c));
  47   VERIFY(std::isnan(d));
  48   VERIFY(std::isnan(e));
  49
  50   return;
  51 }
  52
  53 int
  54 main()
  55 {
  56   test01();
  57   return 0;
  58 }
  59