libstdc++-v3/testsuite/26_numerics/headers/numeric/parallel_numeric_mixed2.cc

   1 // { dg-do compile }
   2 // { dg-require-parallel-mode "" }
   3 // { dg-options "-fopenmp" { target *-*-* } }
   4
   5 // Copyright (C) 2007-2024 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/numeric>
  28 #include <numeric>
  29 #include <vector>
  30 #include <numeric>
  31
  32 void test()
  33 {
  34   typedef unsigned short        value_type;
  35   typedef std::vector<value_type> vector_type;
  36
  37   const value_type c(0);
  38
  39   vector_type v(10);
  40
  41   std::accumulate(v.begin(), v.end(), value_type(1));
  42   std::accumulate(v.begin(), v.end(), value_type(1), std::plus<value_type>());
  43   __gnu_parallel::accumulate(v.begin(), v.end(), value_type(1));
  44   __gnu_parallel::accumulate(v.begin(), v.end(), value_type(1),
  45                                                      std::plus<value_type>());
  46
  47   std::inner_product(v.begin(), v.end(), v.begin(), value_type(1));
  48   std::inner_product(v.begin(), v.end(), v.begin(), value_type(1),
  49                      std::multiplies<value_type>(), std::plus<value_type>());
  50   __gnu_parallel::inner_product(v.begin(), v.end(), v.begin(), value_type(1));
  51   __gnu_parallel::inner_product(v.begin(), v.end(), v.begin(), value_type(1),
  52                      std::multiplies<value_type>(), std::plus<value_type>());
  53 }