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(const valarray<value_type>& 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 = v; 28 assert(v2.size() == v.size()); 29 for (std::size_t i = 0; i < v2.size(); ++i) 30 assert(v2[i] == v[i]); 31 } 32 { 33 typedef double T; 34 T a[] = {1, 2.5, 3, 4.25, 5}; 35 const unsigned N = sizeof(a)/sizeof(a[0]); 36 std::valarray<T> v(a, N); 37 std::valarray<T> v2 = v; 38 assert(v2.size() == v.size()); 39 for (std::size_t i = 0; i < v2.size(); ++i) 40 assert(v2[i] == v[i]); 41 } 42 { 43 typedef std::valarray<double> T; 44 T a[] = {T(1), T(2), T(3), T(4), T(5)}; 45 const unsigned N = sizeof(a)/sizeof(a[0]); 46 std::valarray<T> v(a, N); 47 std::valarray<T> v2 = v; 48 assert(v2.size() == v.size()); 49 for (unsigned i = 0; i < N; ++i) 50 { 51 assert(v2[i].size() == v[i].size()); 52 for (std::size_t j = 0; j < v[i].size(); ++j) 53 assert(v2[i][j] == v[i][j]); 54 } 55 } 56 } 57
