1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 3f5256e16dfc425c1d466f6308d4026d529ce9e0bHoward Hinnant// The LLVM Compiler Infrastructure 4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 9bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// <algorithm> 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 12eb564e76cc3904d811c981a50ecce0659f444cc9Howard Hinnant// template<BidirectionalIterator Iter> 13eb564e76cc3904d811c981a50ecce0659f444cc9Howard Hinnant// requires ShuffleIterator<Iter> 14eb564e76cc3904d811c981a50ecce0659f444cc9Howard Hinnant// && LessThanComparable<Iter::value_type> 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// void 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// inplace_merge(Iter first, Iter middle, Iter last); 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <algorithm> 19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 2183e2c4d877fe2d7793868b1c6a5d9525a7c4d431Marshall Clow#include "test_iterators.h" 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttemplate <class Iter> 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantvoid 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttest_one(unsigned N, unsigned M) 26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(M <= N); 28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant int* ia = new int[N]; 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant for (unsigned i = 0; i < N; ++i) 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ia[i] = i; 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::random_shuffle(ia, ia+N); 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::sort(ia, ia+M); 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::sort(ia+M, ia+N); 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::inplace_merge(Iter(ia), Iter(ia+M), Iter(ia+N)); 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant if(N > 0) 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ia[0] == 0); 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ia[N-1] == N-1); 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(std::is_sorted(ia, ia+N)); 40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant delete [] ia; 42bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 44bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttemplate <class Iter> 45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantvoid 46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttest(unsigned N) 47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_one<Iter>(N, 0); 49bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_one<Iter>(N, N/4); 50bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_one<Iter>(N, N/2); 51bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_one<Iter>(N, 3*N/4); 52bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_one<Iter>(N, N); 53bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 54bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 55bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttemplate <class Iter> 56bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantvoid 57bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttest() 58bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 59bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_one<Iter>(0, 0); 60bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_one<Iter>(1, 0); 61bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_one<Iter>(1, 1); 62bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_one<Iter>(2, 0); 63bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_one<Iter>(2, 1); 64bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_one<Iter>(2, 2); 65bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_one<Iter>(3, 0); 66bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_one<Iter>(3, 1); 67bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_one<Iter>(3, 2); 68bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_one<Iter>(3, 3); 69bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<Iter>(4); 70bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<Iter>(100); 71bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<Iter>(1000); 72bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 73bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 74bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 75bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 76bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<bidirectional_iterator<int*> >(); 77bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<random_access_iterator<int*> >(); 78bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test<int*>(); 79bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 80