flip_all.pass.cpp revision f5256e16dfc425c1d466f6308d4026d529ce9e0b
1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 3f5256e16dfc425c1d466f6308d4026d529ce9e0bHoward Hinnant// The LLVM Compiler Infrastructure 4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 5bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// This file is distributed under the University of Illinois Open Source 6bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// License. See LICENSE.TXT for details. 7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 9bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// test bitset<N>& flip(); 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 12eb564e76cc3904d811c981a50ecce0659f444cc9Howard Hinnant#include <bitset> 13eb564e76cc3904d811c981a50ecce0659f444cc9Howard Hinnant#include <cstdlib> 14eb564e76cc3904d811c981a50ecce0659f444cc9Howard Hinnant#include <cassert> 15eb564e76cc3904d811c981a50ecce0659f444cc9Howard Hinnant 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttemplate <std::size_t N> 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantstd::bitset<N> 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantmake_bitset() 19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::bitset<N> v; 21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant for (std::size_t i = 0; i < N; ++i) 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant v[i] = static_cast<bool>(std::rand() & 1); 23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant return v; 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttemplate <std::size_t N> 27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantvoid test_flip_all() 28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::bitset<N> v1 = make_bitset<N>(); 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::bitset<N> v2 = v1; 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant v2.flip(); 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant for (std::size_t i = 0; i < N; ++i) 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(v2[i] == ~v1[i]); 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_flip_all<0>(); 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_flip_all<1>(); 40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_flip_all<31>(); 41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_flip_all<32>(); 42bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_flip_all<33>(); 43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_flip_all<63>(); 44bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_flip_all<64>(); 45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_flip_all<65>(); 46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant test_flip_all<1000>(); 47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant