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 // <valarray> 11 12 // template<class T> class valarray; 13 14 // valarray& operator=(valarray&& v); 15 16 #include <valarray> 17 #include <cassert> 18 19 int main() 20 { 21 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 22 { 23 typedef int T; 24 T a[] = {1, 2, 3, 4, 5}; 25 const unsigned N = sizeof(a)/sizeof(a[0]); 26 std::valarray<T> v(a, N); 27 std::valarray<T> v2; 28 v2 = std::move(v); 29 assert(v2.size() == N); 30 assert(v.size() == 0); 31 for (int i = 0; i < v2.size(); ++i) 32 assert(v2[i] == a[i]); 33 } 34 { 35 typedef double T; 36 T a[] = {1, 2.5, 3, 4.25, 5}; 37 const unsigned N = sizeof(a)/sizeof(a[0]); 38 std::valarray<T> v(a, N); 39 std::valarray<T> v2; 40 v2 = std::move(v); 41 assert(v2.size() == N); 42 assert(v.size() == 0); 43 for (int i = 0; i < v2.size(); ++i) 44 assert(v2[i] == a[i]); 45 } 46 { 47 typedef std::valarray<double> T; 48 T a[] = {T(1), T(2), T(3), T(4), T(5)}; 49 const unsigned N = sizeof(a)/sizeof(a[0]); 50 std::valarray<T> v(a, N); 51 std::valarray<T> v2(a, N-2); 52 v2 = std::move(v); 53 assert(v2.size() == N); 54 assert(v.size() == 0); 55 for (int i = 0; i < N; ++i) 56 { 57 assert(v2[i].size() == a[i].size()); 58 for (int j = 0; j < a[i].size(); ++j) 59 assert(v2[i][j] == a[i][j]); 60 } 61 } 62 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 63 } 64