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annotate libstdc++-v3/testsuite/25_algorithms/clamp/constrained.cc @ 152:2b5abeee2509

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update gcc11
author anatofuz
date Mon, 25 May 2020 07:50:57 +0900
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1 // Copyright (C) 2020 Free Software Foundation, Inc.
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2 //
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3 // This file is part of the GNU ISO C++ Library. This library is free
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4 // software; you can redistribute it and/or modify it under the
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5 // terms of the GNU General Public License as published by the
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6 // Free Software Foundation; either version 3, or (at your option)
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7 // any later version.
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8
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9 // This library is distributed in the hope that it will be useful,
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10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 // GNU General Public License for more details.
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13
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14 // You should have received a copy of the GNU General Public License along
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15 // with this library; see the file COPYING3. If not see
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16 // <http://www.gnu.org/licenses/>.
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17
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18 // { dg-options "-std=gnu++2a" }
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19 // { dg-do run { target c++2a } }
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20
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21 #include <algorithm>
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22 #include <testsuite_hooks.h>
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23 #include <testsuite_iterators.h>
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24
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25 using __gnu_test::test_container;
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26 using __gnu_test::test_range;
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27 using __gnu_test::input_iterator_wrapper;
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28
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29 namespace ranges = std::ranges;
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30
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31 struct X
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32 {
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33 int i, j;
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34 };
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35
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36 void
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37 test01()
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38 {
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39 VERIFY( ranges::clamp(1, 2, 4) == 2 );
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40 VERIFY( ranges::clamp(3, 2, 4) == 3 );
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41 VERIFY( ranges::clamp(5, 2, 4) == 4 );
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42
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43 VERIFY( ranges::clamp(1, 4, 2, ranges::greater{}) == 2 );
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44 VERIFY( ranges::clamp(3, 4, 2, ranges::greater{}) == 3 );
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45 VERIFY( ranges::clamp(5, 4, 2, ranges::greater{}) == 4 );
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46
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47 VERIFY( ranges::clamp(1, 2, 4, ranges::greater{}, std::negate<>{}) == 2 );
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48 VERIFY( ranges::clamp(3, 2, 4, ranges::greater{}, std::negate<>{}) == 3 );
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49 VERIFY( ranges::clamp(5, 2, 4, ranges::greater{}, std::negate<>{}) == 4 );
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50
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51 static_assert(ranges::clamp(X{1,2}, X{1,3}, X{1,4}, {}, &X::i).j == 2);
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52 }
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53
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54 int
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55 main()
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56 {
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57 test01();
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58 }