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

   1 // Copyright (C) 2001-2019 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 // 26.4.2 [lib.inner_product]
  19
  20 #include <numeric>
  21 #include <testsuite_hooks.h>
  22
  23 int A1[] = {1, 2, 3, 4,  5,  6,  7,  8,  9, 10};
  24 int A2[] = {2, 3, 5, 7, 11, 13, 17, 19, 23, 29};
  25 const int NA = sizeof(A1) / sizeof(int);
  26
  27 bool B1[] = {false, true, true, false, true, false, true, true, false, true};
  28 bool B2[] = {true, false, true, true, false, true, false, true, true, false};
  29 const int NB = sizeof(B1) / sizeof(bool);
  30
  31 void
  32 test01()
  33 {
  34   int res = std::inner_product(A1, A1 + NA, A2, 31);
  35   VERIFY( res == 983 );
  36 }
  37
  38 void
  39 test02()
  40 {
  41   int res = std::inner_product(B1, B1 + NB, B2, 100);
  42   VERIFY( res == 102 );
  43 }
  44
  45 int
  46 main()
  47 {
  48   test01();
  49   test02();
  50   return 0;
  51 }