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cc89063bff
LLVM uses .h as its extension for header files.
Files renamed using:
for f in libcxx/test/support/*.hpp; do git mv $f ${f%.hpp}.h; done
References to the files updated using:
for f in $(git diff master | grep 'rename from' | cut -f 3 -d ' '); do
a=$(basename $f);
echo $a;
rg -l $a libcxx | xargs sed -i '' "s/$a/${a%.hpp}.h/";
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HPP include guards updated manually using:
for f in $(git diff master | grep 'rename from' | cut -f 3 -d ' '); do
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Differential Revision: https://reviews.llvm.org/D66104
llvm-svn: 369481
95 lines
3.4 KiB
C++
95 lines
3.4 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <algorithm>
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// template<InputIterator InIter, OutputIterator<auto, InIter::reference> OutIter>
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// constexpr OutIter // constexpr after C++17
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// copy_n(InIter first, InIter::difference_type n, OutIter result);
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#include <algorithm>
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#include <cassert>
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#include "test_macros.h"
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#include "test_iterators.h"
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#include "user_defined_integral.h"
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// #if TEST_STD_VER > 17
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// TEST_CONSTEXPR bool test_constexpr() {
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// int ia[] = {1, 2, 3, 4, 5};
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// int ic[] = {6, 6, 6, 6, 6, 6, 6};
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//
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// auto p = std::copy_n(std::begin(ia), 4, std::begin(ic));
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// return std::equal(std::begin(ic), p, std::begin(ia))
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// && std::all_of(p, std::end(ic), [](int a){return a == 6;})
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// ;
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// }
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// #endif
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typedef UserDefinedIntegral<unsigned> UDI;
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template <class InIter, class OutIter>
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void
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test()
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{
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const unsigned N = 1000;
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int ia[N];
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for (unsigned i = 0; i < N; ++i)
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ia[i] = i;
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int ib[N] = {0};
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OutIter r = std::copy_n(InIter(ia), UDI(N/2), OutIter(ib));
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assert(base(r) == ib+N/2);
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for (unsigned i = 0; i < N/2; ++i)
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assert(ia[i] == ib[i]);
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}
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int main(int, char**)
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{
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test<input_iterator<const int*>, output_iterator<int*> >();
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test<input_iterator<const int*>, input_iterator<int*> >();
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test<input_iterator<const int*>, forward_iterator<int*> >();
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test<input_iterator<const int*>, bidirectional_iterator<int*> >();
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test<input_iterator<const int*>, random_access_iterator<int*> >();
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test<input_iterator<const int*>, int*>();
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test<forward_iterator<const int*>, output_iterator<int*> >();
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test<forward_iterator<const int*>, input_iterator<int*> >();
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test<forward_iterator<const int*>, forward_iterator<int*> >();
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test<forward_iterator<const int*>, bidirectional_iterator<int*> >();
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test<forward_iterator<const int*>, random_access_iterator<int*> >();
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test<forward_iterator<const int*>, int*>();
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test<bidirectional_iterator<const int*>, output_iterator<int*> >();
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test<bidirectional_iterator<const int*>, input_iterator<int*> >();
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test<bidirectional_iterator<const int*>, forward_iterator<int*> >();
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test<bidirectional_iterator<const int*>, bidirectional_iterator<int*> >();
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test<bidirectional_iterator<const int*>, random_access_iterator<int*> >();
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test<bidirectional_iterator<const int*>, int*>();
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test<random_access_iterator<const int*>, output_iterator<int*> >();
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test<random_access_iterator<const int*>, input_iterator<int*> >();
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test<random_access_iterator<const int*>, forward_iterator<int*> >();
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test<random_access_iterator<const int*>, bidirectional_iterator<int*> >();
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test<random_access_iterator<const int*>, random_access_iterator<int*> >();
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test<random_access_iterator<const int*>, int*>();
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test<const int*, output_iterator<int*> >();
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test<const int*, input_iterator<int*> >();
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test<const int*, forward_iterator<int*> >();
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test<const int*, bidirectional_iterator<int*> >();
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test<const int*, random_access_iterator<int*> >();
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test<const int*, int*>();
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// #if TEST_STD_VER > 17
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// static_assert(test_constexpr());
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// #endif
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return 0;
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}
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