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; 15 16 #include <valarray> 17 #include <cassert> 18 19 int main() 20 { 21 { 22 typedef int T; 23 T a[] = {1, 2, 3, 4, 5}; 24 const unsigned N = sizeof(a)/sizeof(a[0]); 25 std::valarray<T> v(a, N); 26 std::valarray<T> v2 = +v; 27 assert(v2.size() == v.size()); 28 for (int i = 0; i < v2.size(); ++i) 29 assert(v2[i] == +v[i]); 30 } 31 { 32 typedef double T; 33 T a[] = {1, 2.5, 3, 4.25, 5}; 34 const unsigned N = sizeof(a)/sizeof(a[0]); 35 std::valarray<T> v(a, N); 36 std::valarray<T> v2 = +v; 37 assert(v2.size() == v.size()); 38 for (int i = 0; i < v2.size(); ++i) 39 assert(v2[i] == +v[i]); 40 } 41 { 42 typedef std::valarray<double> T; 43 T a[] = {T(1), T(2), T(3), T(4), T(5)}; 44 const unsigned N = sizeof(a)/sizeof(a[0]); 45 std::valarray<T> v(a, N); 46 std::valarray<T> v2 = +v; 47 assert(v2.size() == v.size()); 48 for (int i = 0; i < N; ++i) 49 { 50 assert(v2[i].size() == v[i].size()); 51 for (int j = 0; j < v[i].size(); ++j) 52 assert(v2[i][j] == +v[i][j]); 53 } 54 } 55 { 56 typedef double T; 57 T a[] = {1, 2.5, 3, 4.25, 5}; 58 const unsigned N = sizeof(a)/sizeof(a[0]); 59 std::valarray<T> v(a, N); 60 std::valarray<T> v2 = +(v + v); 61 assert(v2.size() == v.size()); 62 for (int i = 0; i < v2.size(); ++i) 63 assert(v2[i] == +2*v[i]); 64 } 65 } 66
