70 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 mask_array12 13// void mask_array& operator=(const mask_array& ma) const;14 15#include <valarray>16#include <cassert>17 18#include "test_macros.h"19 20int main(int, char**)21{22 {23 int a1[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};24 const std::size_t N1 = sizeof(a1)/sizeof(a1[0]);25 bool b1[N1] = {true, false, false, true, true, false,26 false, true, false, false, false, true};27 int a2[] = {-1, -2, -3, -4, -5, -6, -7, -8};28 const std::size_t N2 = sizeof(a2)/sizeof(a2[0]);29 bool b2[N2] = {true, false, true, true,30 false, false, true, true};31 std::valarray<int> v1(a1, N1);32 const std::valarray<int> v2(a2, N2);33 std::valarray<bool> vb1(b1, N1);34 std::valarray<bool> vb2(b2, N2);35 v1[vb1] = v2[vb2];36 assert(v1.size() == 16);37 assert(v1[ 0] == -1);38 assert(v1[ 1] == 1);39 assert(v1[ 2] == 2);40 assert(v1[ 3] == -3);41 assert(v1[ 4] == -4);42 assert(v1[ 5] == 5);43 assert(v1[ 6] == 6);44 assert(v1[ 7] == -7);45 assert(v1[ 8] == 8);46 assert(v1[ 9] == 9);47 assert(v1[10] == 10);48 assert(v1[11] == -8);49 assert(v1[12] == 12);50 assert(v1[13] == 13);51 assert(v1[14] == 14);52 assert(v1[15] == 15);53 }54 // Test return value of assignment55 {56 int a1[] = {0, 1, 2};57 int a2[] = {3, 4, 5};58 bool b1[] = {true, false, true};59 std::valarray<int> v1(a1, 3);60 std::valarray<int> v2(a2, 3);61 std::valarray<bool> const vb1(b1, 3);62 std::mask_array<int> m1 = v1[vb1];63 std::mask_array<int> const m2 = v2[vb1];64 std::mask_array<int> const & r = (m1 = m2);65 assert(&r == &m1);66 }67 68 return 0;69}70