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// <valarray> 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// template <class T> class mask_array 13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// void mask_array& operator=(const mask_array& ma) const; 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <valarray> 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 2190dc8dd841b975fccfa4a278b9b44065d3644839Dan Albert { 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant int a1[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}; 23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant const std::size_t N1 = sizeof(a1)/sizeof(a1[0]); 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant bool b1[N1] = {true, false, false, true, true, false, 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant false, true, false, false, false, true}; 26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant int a2[] = {-1, -2, -3, -4, -5, -6, -7, -8}; 27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant const std::size_t N2 = sizeof(a2)/sizeof(a2[0]); 28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant bool b2[N2] = {true, false, true, true, 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant false, false, true, true}; 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::valarray<int> v1(a1, N1); 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant const std::valarray<int> v2(a2, N2); 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::valarray<bool> vb1(b1, N1); 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::valarray<bool> vb2(b2, N2); 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant v1[vb1] = v2[vb2]; 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(v1.size() == 16); 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(v1[ 0] == -1); 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(v1[ 1] == 1); 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(v1[ 2] == 2); 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(v1[ 3] == -3); 40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(v1[ 4] == -4); 41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(v1[ 5] == 5); 42bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(v1[ 6] == 6); 43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(v1[ 7] == -7); 44bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(v1[ 8] == 8); 45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(v1[ 9] == 9); 46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(v1[10] == 10); 47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(v1[11] == -8); 48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(v1[12] == 12); 49bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(v1[13] == 13); 50bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(v1[14] == 14); 51bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(v1[15] == 15); 5290dc8dd841b975fccfa4a278b9b44065d3644839Dan Albert } 5390dc8dd841b975fccfa4a278b9b44065d3644839Dan Albert // Test return value of assignment 5490dc8dd841b975fccfa4a278b9b44065d3644839Dan Albert { 5590dc8dd841b975fccfa4a278b9b44065d3644839Dan Albert int a1[] = {0, 1, 2}; 5690dc8dd841b975fccfa4a278b9b44065d3644839Dan Albert int a2[] = {3, 4, 5}; 5790dc8dd841b975fccfa4a278b9b44065d3644839Dan Albert bool b1[] = {true, false, true}; 5890dc8dd841b975fccfa4a278b9b44065d3644839Dan Albert std::valarray<int> v1(a1, 3); 5990dc8dd841b975fccfa4a278b9b44065d3644839Dan Albert std::valarray<int> v2(a2, 3); 6090dc8dd841b975fccfa4a278b9b44065d3644839Dan Albert std::valarray<bool> const vb1(b1, 3); 6190dc8dd841b975fccfa4a278b9b44065d3644839Dan Albert std::mask_array<int> m1 = v1[vb1]; 6290dc8dd841b975fccfa4a278b9b44065d3644839Dan Albert std::mask_array<int> const m2 = v2[vb1]; 6390dc8dd841b975fccfa4a278b9b44065d3644839Dan Albert std::mask_array<int> const & r = (m1 = m2); 6490dc8dd841b975fccfa4a278b9b44065d3644839Dan Albert assert(&r == &m1); 6590dc8dd841b975fccfa4a278b9b44065d3644839Dan Albert } 66bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 67