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 // size_t size() const; 14 15 #include <valarray> 16 #include <cassert> 17 18 int main() 19 { 20 { 21 typedef int T; 22 T a1[] = {1, 2, 3, 4, 5}; 23 const unsigned N1 = sizeof(a1)/sizeof(a1[0]); 24 std::valarray<T> v1(a1, N1); 25 assert(v1.size() == N1); 26 } 27 { 28 typedef int T; 29 T a1[] = {1, 2, 3, 4, 5}; 30 const unsigned N1 = 0; 31 std::valarray<T> v1(a1, N1); 32 assert(v1.size() == N1); 33 } 34 { 35 typedef int T; 36 const unsigned N1 = 0; 37 std::valarray<T> v1; 38 assert(v1.size() == N1); 39 } 40 } 41