84 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 indirect_array12 13// const indirect_array& operator=(const indirect_array& ia) const;14 15#include <valarray>16#include <cassert>17 18#include "test_macros.h"19 20int main(int, char**)21{22 int a1[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,23 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,24 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,25 36, 37, 38, 39, 40};26 const std::size_t N1 = sizeof(a1)/sizeof(a1[0]);27 int a2[] = { -0, -1, -2, -3, -4, -5, -6, -7, -8, -9, -10, -11,28 -12, -13, -14, -15, -16, -17, -18, -19, -20, -21, -22, -23,29 -24, -25, -26, -27, -28, -29, -30, -31, -32, -33, -34, -35,30 -36, -37};31 const std::size_t N2 = sizeof(a2)/sizeof(a2[0]);32 std::size_t s[] = { 3, 4, 5, 7, 8, 9, 11, 12, 13, 15, 16, 17,33 22, 23, 24, 26, 27, 28, 30, 31, 32, 34, 35, 36};34 const std::size_t S = sizeof(s)/sizeof(s[0]);35 std::valarray<int> v1(a1, N1);36 const std::valarray<int> v2(a2, N2);37 std::valarray<std::size_t> ia(s, S);38 v1[ia] = v2[ia];39 assert(v1.size() == 41);40 assert(v1[ 0] == 0);41 assert(v1[ 1] == 1);42 assert(v1[ 2] == 2);43 assert(v1[ 3] == -3);44 assert(v1[ 4] == -4);45 assert(v1[ 5] == -5);46 assert(v1[ 6] == 6);47 assert(v1[ 7] == -7);48 assert(v1[ 8] == -8);49 assert(v1[ 9] == -9);50 assert(v1[10] == 10);51 assert(v1[11] == -11);52 assert(v1[12] == -12);53 assert(v1[13] == -13);54 assert(v1[14] == 14);55 assert(v1[15] == -15);56 assert(v1[16] == -16);57 assert(v1[17] == -17);58 assert(v1[18] == 18);59 assert(v1[19] == 19);60 assert(v1[20] == 20);61 assert(v1[21] == 21);62 assert(v1[22] == -22);63 assert(v1[23] == -23);64 assert(v1[24] == -24);65 assert(v1[25] == 25);66 assert(v1[26] == -26);67 assert(v1[27] == -27);68 assert(v1[28] == -28);69 assert(v1[29] == 29);70 assert(v1[30] == -30);71 assert(v1[31] == -31);72 assert(v1[32] == -32);73 assert(v1[33] == 33);74 assert(v1[34] == -34);75 assert(v1[35] == -35);76 assert(v1[36] == -36);77 assert(v1[37] == 37);78 assert(v1[38] == 38);79 assert(v1[39] == 39);80 assert(v1[40] == 40);81 82 return 0;83}84