libstdc++-v3/testsuite/25_algorithms/headers/algorithm/parallel_algorithm_mixed2.cc

   1 // { dg-do compile }
   2 // { dg-require-parallel-mode "" }
   3 // { dg-options "-fopenmp" { target *-*-* } }
   4
   5 // Copyright (C) 2007-2019 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 3, 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 COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 // Make sure to test without _GLIBCXX_PARALLEL
  23 #ifdef _GLIBCXX_PARALLEL
  24 # undef _GLIBCXX_PARALLEL
  25 #endif
  26
  27 #include <parallel/algorithm>
  28 #include <vector>
  29 #include <algorithm>
  30
  31 void test()
  32 {
  33   typedef unsigned short        value_type;
  34   typedef std::vector<value_type> vector_type;
  35
  36   const value_type c(0);
  37
  38   vector_type v(10), result(20);
  39
  40   std::equal(v.begin(), v.end(), v.begin());
  41   std::equal(v.begin(), v.end(), v.begin(), std::equal_to<value_type>());
  42   __gnu_parallel::equal(v.begin(), v.end(), v.begin());
  43   __gnu_parallel::equal(v.begin(), v.end(), v.begin(),
  44                                             std::equal_to<value_type>());
  45
  46   std::find(v.begin(), v.end(), c);
  47   __gnu_parallel::find(v.begin(), v.end(), c);
  48
  49   std::find_first_of(v.begin(), v.end(), v.begin(), v.end());
  50   std::find_first_of(v.begin(), v.end(), v.begin(), v.end(),
  51                                                 std::equal_to<value_type>());
  52   __gnu_parallel::find_first_of(v.begin(), v.end(), v.begin(), v.end());
  53   __gnu_parallel::find_first_of(v.begin(), v.end(), v.begin(), v.end(),
  54                                                 std::equal_to<value_type>());
  55
  56   std::search_n(v.begin(), v.end(), 5, value_type(1));
  57   std::search_n(v.begin(), v.end(), 5, value_type(1),
  58                                                 std::equal_to<value_type>());
  59   __gnu_parallel::search_n(v.begin(), v.end(), 5, value_type(1));
  60   __gnu_parallel::search_n(v.begin(), v.end(), 5, value_type(1),
  61                                                 std::equal_to<value_type>());
  62
  63   std::merge(v.begin(), v.end(), v.begin(), v.end(), result.begin());
  64   std::merge(v.begin(), v.end(), v.begin(), v.end(), result.begin(),
  65                                                 std::less<value_type>());
  66   __gnu_parallel::merge(v.begin(), v.end(), v.begin(), v.end(),
  67                         result.begin());
  68   __gnu_parallel::merge(v.begin(), v.end(), v.begin(), v.end(),
  69                         result.begin(), std::less<value_type>());
  70
  71   std::nth_element(v.begin(), v.begin() + 5, v.end());
  72   std::nth_element(v.begin(), v.begin() + 5, v.end(), std::less<value_type>());
  73   __gnu_parallel::nth_element(v.begin(), v.begin() + 5, v.end());
  74   __gnu_parallel::nth_element(v.begin(), v.begin() + 5, v.end(),
  75                                                       std::less<value_type>());
  76
  77   std::partial_sort(v.begin(), v.begin() + 5, v.end());
  78   std::partial_sort(v.begin(), v.begin() + 5, v.end(),
  79                                                       std::less<value_type>());
  80   __gnu_parallel::partial_sort(v.begin(), v.begin() + 5, v.end());
  81   __gnu_parallel::partial_sort(v.begin(), v.begin() + 5, v.end(),
  82                                                       std::less<value_type>());
  83
  84   std::min_element(v.begin(), v.end());
  85   std::min_element(v.begin(), v.end(), std::less<value_type>());
  86   __gnu_parallel::min_element(v.begin(), v.end());
  87   __gnu_parallel::min_element(v.begin(), v.end(), std::less<value_type>());
  88
  89   std::max_element(v.begin(), v.end());
  90   std::max_element(v.begin(), v.end(), std::less<value_type>());
  91   __gnu_parallel::max_element(v.begin(), v.end());
  92   __gnu_parallel::max_element(v.begin(), v.end(), std::less<value_type>());
  93 }