1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // <valarray> 10 11 // template<class T> class valarray; 12 13 // value_type sum() const; 14 15 #include <valarray> 16 #include <cassert> 17 18 int main() 19 { 20 { 21 typedef double T; 22 T a1[] = {1.5, 2.5, 3, 4, 5.5}; 23 const unsigned N1 = sizeof(a1)/sizeof(a1[0]); 24 std::valarray<T> v1(a1, N1); 25 assert(v1.sum() == 16.5); 26 } 27 } 28