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=(const valarray& v); 15 16 #include <valarray> 17 #include <cassert> 18 #include <cstddef> 19 20 int main() 21 { 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 = v; 29 assert(v2.size() == v.size()); 30 for (std::size_t i = 0; i < v2.size(); ++i) 31 assert(v2[i] == v[i]); 32 } 33 { 34 typedef double T; 35 T a[] = {1, 2.5, 3, 4.25, 5}; 36 const unsigned N = sizeof(a)/sizeof(a[0]); 37 std::valarray<T> v(a, N); 38 std::valarray<T> v2; 39 v2 = v; 40 assert(v2.size() == v.size()); 41 for (std::size_t i = 0; i < v2.size(); ++i) 42 assert(v2[i] == v[i]); 43 } 44 { 45 typedef std::valarray<double> T; 46 T a[] = {T(1), T(2), T(3), T(4), T(5)}; 47 const unsigned N = sizeof(a)/sizeof(a[0]); 48 std::valarray<T> v(a, N); 49 std::valarray<T> v2(a, N-2); 50 v2 = v; 51 assert(v2.size() == v.size()); 52 for (unsigned i = 0; i < N; ++i) 53 { 54 assert(v2[i].size() == v[i].size()); 55 for (std::size_t j = 0; j < v[i].size(); ++j) 56 assert(v2[i][j] == v[i][j]); 57 } 58 } 59 } 60
