15a83710eSEric Fiselier //===----------------------------------------------------------------------===// 25a83710eSEric Fiselier // 3*57b08b09SChandler Carruth // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*57b08b09SChandler Carruth // See https://llvm.org/LICENSE.txt for license information. 5*57b08b09SChandler Carruth // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 65a83710eSEric Fiselier // 75a83710eSEric Fiselier //===----------------------------------------------------------------------===// 85a83710eSEric Fiselier 95a83710eSEric Fiselier // <valarray> 105a83710eSEric Fiselier 115a83710eSEric Fiselier // template<class T> class valarray; 125a83710eSEric Fiselier 135a83710eSEric Fiselier // value_type& operator[](size_t i); 145a83710eSEric Fiselier 155a83710eSEric Fiselier #include <valarray> 165a83710eSEric Fiselier #include <cassert> 175a83710eSEric Fiselier 185a83710eSEric Fiselier int main() 195a83710eSEric Fiselier { 205a83710eSEric Fiselier { 215a83710eSEric Fiselier typedef int T; 225a83710eSEric Fiselier T a[] = {5, 4, 3, 2, 1}; 235a83710eSEric Fiselier const unsigned N = sizeof(a)/sizeof(a[0]); 245a83710eSEric Fiselier std::valarray<T> v(a, N); 25c71bd55bSEric Fiselier for (unsigned i = 0; i < N; ++i) 265a83710eSEric Fiselier { 275a83710eSEric Fiselier assert(v[i] == a[i]); 285a83710eSEric Fiselier v[i] = i; 29c71bd55bSEric Fiselier assert(v[i] == static_cast<int>(i)); 305a83710eSEric Fiselier } 315a83710eSEric Fiselier } 325a83710eSEric Fiselier } 33