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 // template<class T> valarray<T> operator-(const valarray<T>& x, const T& y); 15 16 #include <valarray> 17 #include <cassert> 18 19 int main() 20 { 21 { 22 typedef int T; 23 T a1[] = { 1, 2, 3, 4, 5}; 24 T a2[] = {-2, -1, 0, 1, 2}; 25 const unsigned N = sizeof(a1)/sizeof(a1[0]); 26 std::valarray<T> v1(a1, N); 27 std::valarray<T> v2 = v1 - 3; 28 assert(v1.size() == v2.size()); 29 for (int i = 0; i < v2.size(); ++i) 30 assert(v2[i] == a2[i]); 31 } 32 } 33
