libstdc++-v3/testsuite/26_numerics/accumulate/1.cc

   1 // Copyright (C) 2001-2021 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // 26.4.1 [lib.accumulate]
  19
  20 #include <numeric>
  21 #include <testsuite_hooks.h>
  22
  23 int A[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
  24 const int NA = sizeof(A) / sizeof(int);
  25
  26 void
  27 test01()
  28 {
  29   int res = std::accumulate(A, A + NA, 11);
  30   VERIFY( res == 66 );
  31 }
  32
  33 bool B[] = {true, false, true, true, false, true, false, true, true, false};
  34 const int NB = sizeof(B) / sizeof(bool);
  35
  36 void
  37 test02()
  38 {
  39   int res = std::accumulate(B, B + NB, 100);
  40   VERIFY( res == 106 );
  41 }
  42
  43 int
  44 main()
  45 {
  46   test01();
  47   test02();
  48   return 0;
  49 }