78 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 gslice_array12 13// void operator=(const value_type& x) 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 std::valarray<int> v1(a1, sizeof(a1)/sizeof(a1[0]));27 std::size_t sz[] = {2, 4, 3};28 std::size_t st[] = {19, 4, 1};29 typedef std::valarray<std::size_t> sizes;30 typedef std::valarray<std::size_t> strides;31 v1[std::gslice(3, sizes(sz, sizeof(sz)/sizeof(sz[0])),32 strides(st, sizeof(st)/sizeof(st[0])))] = 51;33 assert(v1.size() == 41);34 assert(v1[ 0] == 0);35 assert(v1[ 1] == 1);36 assert(v1[ 2] == 2);37 assert(v1[ 3] == 51);38 assert(v1[ 4] == 51);39 assert(v1[ 5] == 51);40 assert(v1[ 6] == 6);41 assert(v1[ 7] == 51);42 assert(v1[ 8] == 51);43 assert(v1[ 9] == 51);44 assert(v1[10] == 10);45 assert(v1[11] == 51);46 assert(v1[12] == 51);47 assert(v1[13] == 51);48 assert(v1[14] == 14);49 assert(v1[15] == 51);50 assert(v1[16] == 51);51 assert(v1[17] == 51);52 assert(v1[18] == 18);53 assert(v1[19] == 19);54 assert(v1[20] == 20);55 assert(v1[21] == 21);56 assert(v1[22] == 51);57 assert(v1[23] == 51);58 assert(v1[24] == 51);59 assert(v1[25] == 25);60 assert(v1[26] == 51);61 assert(v1[27] == 51);62 assert(v1[28] == 51);63 assert(v1[29] == 29);64 assert(v1[30] == 51);65 assert(v1[31] == 51);66 assert(v1[32] == 51);67 assert(v1[33] == 33);68 assert(v1[34] == 51);69 assert(v1[35] == 51);70 assert(v1[36] == 51);71 assert(v1[37] == 37);72 assert(v1[38] == 38);73 assert(v1[39] == 39);74 assert(v1[40] == 40);75 76 return 0;77}78