32 lines · cpp
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-exception6//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#include "test_macros.h"19 20int main(int, char**)21{22 {23 typedef double T;24 T a1[] = {1.5, 2.5, 3, 4, 5.5};25 const unsigned N1 = sizeof(a1)/sizeof(a1[0]);26 std::valarray<T> v1(a1, N1);27 assert(v1.sum() == 16.5);28 }29 30 return 0;31}32