55 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// valarray<bool> operator!() const;14 15#include <valarray>16#include <cassert>17#include <cstddef>18 19#include "test_macros.h"20 21int main(int, char**)22{23 {24 typedef int T;25 T a[] = {1, 2, 3, 4, 5};26 const unsigned N = sizeof(a)/sizeof(a[0]);27 std::valarray<T> v(a, N);28 std::valarray<bool> v2 = !v;29 assert(v2.size() == v.size());30 for (std::size_t i = 0; i < v2.size(); ++i)31 assert(v2[i] == !v[i]);32 }33 {34 typedef double T;35 T a[] = {1, 2.5, 3, 4.25, 5};36 const unsigned N = sizeof(a)/sizeof(a[0]);37 std::valarray<T> v(a, N);38 std::valarray<bool> v2 = !(v + v);39 assert(v2.size() == v.size());40 for (std::size_t i = 0; i < v2.size(); ++i)41 assert(v2[i] == !(v[i] + v[i]));42 }43 {44 // Make sure we don't have dangling reference problems with unary expressions45 bool array[] = {true, false, true};46 std::valarray<bool> a(array, 3);47 std::valarray<bool> b(array, 3);48 auto c = !a && b;49 assert(c.size() == 3);50 assert(c[0] == false && c[1] == false && c[2] == false);51 }52 53 return 0;54}55