libstdc++-v3/testsuite/ext/random/von_mises_distribution/cons/parms.cc

   1 // { dg-do run { target c++11 } }
   2 // { dg-require-cstdint "" }
   3 //
   4 // 2008-11-24  Edward M. Smith-Rowland <3dw4rd@verizon.net>
   5 // 2013-03-02  Ulrich Drepper <drepper@gmail.com>
   6 //
   7 // Copyright (C) 2013-2024 Free Software Foundation, Inc.
   8 //
   9 // This file is part of the GNU ISO C++ Library.  This library is free
  10 // software; you can redistribute it and/or modify it under the
  11 // terms of the GNU General Public License as published by the
  12 // Free Software Foundation; either version 3, or (at your option)
  13 // any later version.
  14 //
  15 // This library is distributed in the hope that it will be useful,
  16 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 // GNU General Public License for more details.
  19 //
  20 // You should have received a copy of the GNU General Public License along
  21 // with this library; see the file COPYING3.  If not see
  22 // <http://www.gnu.org/licenses/>.
  23
  24 #include <ext/random>
  25 #include <testsuite_hooks.h>
  26
  27 void
  28 test01()
  29 {
  30   __gnu_cxx::von_mises_distribution<> u(1.5, 3.0);
  31   VERIFY( u.mu() == 1.5 );
  32   VERIFY( u.kappa() == 3.0 );
  33   VERIFY( u.min() == -__gnu_cxx::__math_constants<double>::__pi );
  34   VERIFY( u.max() == __gnu_cxx::__math_constants<double>::__pi );
  35 }
  36
  37 void
  38 test02()
  39 {
  40   using param_type = __gnu_cxx::von_mises_distribution<>::param_type;
  41   const param_type p(1.5, 3.0);
  42   __gnu_cxx::von_mises_distribution<> u(p);
  43   VERIFY( u.param() == p );
  44   VERIFY( u.param() != param_type{} );
  45   VERIFY( u.min() == -__gnu_cxx::__math_constants<double>::__pi );
  46   VERIFY( u.max() == __gnu_cxx::__math_constants<double>::__pi );
  47 }
  48
  49 int main()
  50 {
  51   test01();
  52   test02();
  53 }