f5256e16df
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103516 91177308-0d34-0410-b5e6-96231b3b80d8
83 lines
3.4 KiB
C++
83 lines
3.4 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <numeric>
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// template <InputIterator Iter1, InputIterator Iter2, MoveConstructible T>
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// requires HasMultiply<Iter1::reference, Iter2::reference>
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// && HasPlus<T, HasMultiply<Iter1::reference, Iter2::reference>::result_type>
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// && HasAssign<T,
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// HasPlus<T,
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// HasMultiply<Iter1::reference,
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// Iter2::reference>::result_type>::result_type>
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// T
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// inner_product(Iter1 first1, Iter1 last1, Iter2 first2, T init);
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#include <numeric>
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#include <cassert>
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#include "../iterators.h"
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template <class Iter1, class Iter2, class T>
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void
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test(Iter1 first1, Iter1 last1, Iter2 first2, T init, T x)
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{
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assert(std::inner_product(first1, last1, first2, init) == x);
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}
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template <class Iter1, class Iter2>
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void
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test()
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{
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int a[] = {1, 2, 3, 4, 5, 6};
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int b[] = {6, 5, 4, 3, 2, 1};
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unsigned sa = sizeof(a) / sizeof(a[0]);
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test(Iter1(a), Iter1(a), Iter2(b), 0, 0);
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test(Iter1(a), Iter1(a), Iter2(b), 10, 10);
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test(Iter1(a), Iter1(a+1), Iter2(b), 0, 6);
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test(Iter1(a), Iter1(a+1), Iter2(b), 10, 16);
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test(Iter1(a), Iter1(a+2), Iter2(b), 0, 16);
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test(Iter1(a), Iter1(a+2), Iter2(b), 10, 26);
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test(Iter1(a), Iter1(a+sa), Iter2(b), 0, 56);
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test(Iter1(a), Iter1(a+sa), Iter2(b), 10, 66);
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}
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int main()
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{
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test<input_iterator<const int*>, input_iterator<const int*> >();
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test<input_iterator<const int*>, forward_iterator<const int*> >();
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test<input_iterator<const int*>, bidirectional_iterator<const int*> >();
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test<input_iterator<const int*>, random_access_iterator<const int*> >();
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test<input_iterator<const int*>, const int*>();
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test<forward_iterator<const int*>, input_iterator<const int*> >();
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test<forward_iterator<const int*>, forward_iterator<const int*> >();
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test<forward_iterator<const int*>, bidirectional_iterator<const int*> >();
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test<forward_iterator<const int*>, random_access_iterator<const int*> >();
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test<forward_iterator<const int*>, const int*>();
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test<bidirectional_iterator<const int*>, input_iterator<const int*> >();
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test<bidirectional_iterator<const int*>, forward_iterator<const int*> >();
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test<bidirectional_iterator<const int*>, bidirectional_iterator<const int*> >();
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test<bidirectional_iterator<const int*>, random_access_iterator<const int*> >();
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test<bidirectional_iterator<const int*>, const int*>();
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test<random_access_iterator<const int*>, input_iterator<const int*> >();
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test<random_access_iterator<const int*>, forward_iterator<const int*> >();
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test<random_access_iterator<const int*>, bidirectional_iterator<const int*> >();
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test<random_access_iterator<const int*>, random_access_iterator<const int*> >();
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test<random_access_iterator<const int*>, const int*>();
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test<const int*, input_iterator<const int*> >();
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test<const int*, forward_iterator<const int*> >();
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test<const int*, bidirectional_iterator<const int*> >();
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test<const int*, random_access_iterator<const int*> >();
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test<const int*, const int*>();
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}
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