1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // UNSUPPORTED: c++98, c++03 11 12 // <valarray> 13 14 // template<class T> class valarray; 15 16 // valarray& operator=(valarray&& v); 17 18 #include <valarray> 19 #include <cassert> 20 #include <cstddef> 21 22 int main() 23 { 24 { 25 typedef int T; 26 T a[] = {1, 2, 3, 4, 5}; 27 const unsigned N = sizeof(a)/sizeof(a[0]); 28 std::valarray<T> v(a, N); 29 std::valarray<T> v2; 30 v2 = std::move(v); 31 assert(v2.size() == N); 32 assert(v.size() == 0); 33 for (std::size_t i = 0; i < v2.size(); ++i) 34 assert(v2[i] == a[i]); 35 } 36 { 37 typedef double T; 38 T a[] = {1, 2.5, 3, 4.25, 5}; 39 const unsigned N = sizeof(a)/sizeof(a[0]); 40 std::valarray<T> v(a, N); 41 std::valarray<T> v2; 42 v2 = std::move(v); 43 assert(v2.size() == N); 44 assert(v.size() == 0); 45 for (std::size_t i = 0; i < v2.size(); ++i) 46 assert(v2[i] == a[i]); 47 } 48 { 49 typedef std::valarray<double> T; 50 T a[] = {T(1), T(2), T(3), T(4), T(5)}; 51 const unsigned N = sizeof(a)/sizeof(a[0]); 52 std::valarray<T> v(a, N); 53 std::valarray<T> v2(a, N-2); 54 v2 = std::move(v); 55 assert(v2.size() == N); 56 assert(v.size() == 0); 57 for (unsigned i = 0; i < N; ++i) 58 { 59 assert(v2[i].size() == a[i].size()); 60 for (std::size_t j = 0; j < a[i].size(); ++j) 61 assert(v2[i][j] == a[i][j]); 62 } 63 } 64 } 65
