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(const valarray<value_type>& v); 17 18 #include <valarray> 19 #include <utility> 20 #include <cassert> 21 #include <cstddef> 22 23 int main() 24 { 25 { 26 typedef int T; 27 T a[] = {1, 2, 3, 4, 5}; 28 const unsigned N = sizeof(a)/sizeof(a[0]); 29 std::valarray<T> v(a, N); 30 std::valarray<T> 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 = std::move(v); 42 assert(v2.size() == N); 43 assert(v.size() == 0); 44 for (std::size_t i = 0; i < v2.size(); ++i) 45 assert(v2[i] == a[i]); 46 } 47 { 48 typedef std::valarray<double> T; 49 T a[] = {T(1), T(2), T(3), T(4), T(5)}; 50 const unsigned N = sizeof(a)/sizeof(a[0]); 51 std::valarray<T> v(a, N); 52 std::valarray<T> v2 = std::move(v); 53 assert(v2.size() == N); 54 assert(v.size() == 0); 55 for (unsigned i = 0; i < N; ++i) 56 { 57 assert(v2[i].size() == a[i].size()); 58 for (std::size_t j = 0; j < v2[i].size(); ++j) 59 assert(v2[i][j] == a[i][j]); 60 } 61 } 62 } 63
