| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <valarray> |
| |
| // template<class T> class valarray; |
| |
| // template<class T> |
| // valarray<T> |
| // abs(const valarray<T>& x); |
| |
| #include <valarray> |
| #include <cassert> |
| |
| int main() |
| { |
| { |
| typedef double T; |
| T a1[] = {1.5, -2.5, 3.4, -4.5, -5.0}; |
| T a3[] = {1.5, 2.5, 3.4, 4.5, 5.0}; |
| const unsigned N = sizeof(a1)/sizeof(a1[0]); |
| std::valarray<T> v1(a1, N); |
| std::valarray<T> v3 = abs(v1); |
| assert(v3.size() == v1.size()); |
| for (int i = 0; i < v3.size(); ++i) |
| assert(v3[i] == a3[i]); |
| } |
| } |