1// 2004-01-03 Jerry Quinn <jlquinn@optonline.net> 2 3// Copyright (C) 2004, 2009 Free Software Foundation, Inc. 4// 5// This file is part of the GNU ISO C++ Library. This library is free 6// software; you can redistribute it and/or modify it under the 7// terms of the GNU General Public License as published by the 8// Free Software Foundation; either version 3, or (at your option) 9// any later version. 10 11// This library is distributed in the hope that it will be useful, 12// but WITHOUT ANY WARRANTY; without even the implied warranty of 13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14// GNU General Public License for more details. 15 16// You should have received a copy of the GNU General Public License along 17// with this library; see the file COPYING3. If not see 18// <http://www.gnu.org/licenses/>. 19 20 21// PR 3247 22 23// This is DR-253. Test for accessible assignment-operators. 24#include <valarray> 25#include <testsuite_hooks.h> 26 27bool check_array(std::valarray<double>& a, double b[]) 28{ 29 for (unsigned int i=0; i < a.size(); i++) 30 if (a[i] != b[i]) return false; 31 return true; 32} 33 34int main() 35{ 36 std::valarray<double> val_d(10); // 0 1 2 3 4 5 6 7 8 9 37 std::valarray<double> val_d1(10); // 10 9 8 7 6 5 4 3 2 1 38 39 for (int i=0; i< 10; i++) { val_d[i] = 10; val_d1[i] = i; } 40 std::valarray<double> val_c(val_d); 41 std::valarray<double> val_f(val_d); 42 std::valarray<double> val_g(val_d); 43 44 std::slice slc(1, 3, 3); // 1 4 7 45 val_d[slc] = val_d1[slc]; 46 47 double ans1[10] = {10, 1, 10, 10, 4, 10, 10, 7, 10, 10}; 48 VERIFY(check_array(val_d, ans1)); 49 50 std::valarray<std::size_t> val_size(2); 51 std::valarray<std::size_t> val_stride(2); 52 val_size[0] = 2; val_size[1] = 3; 53 val_stride[0] = 4; val_stride[1] = 1; 54 55 std::gslice gslc(1, val_size, val_stride); 56 val_c[gslc] = val_d1[gslc]; 57 58 double ans2[10] = {10, 1, 2, 3, 10, 5, 6, 7, 10, 10}; 59 VERIFY(check_array(val_c, ans2)); 60 61 std::valarray<bool> val_b(false, 10); 62 val_b[2] = val_b[6] = val_b[9] = true; 63 val_f[val_b] = val_d1[val_b]; 64 65 double ans3[10] = {10, 10, 2, 10, 10, 10, 6, 10, 10, 9}; 66 VERIFY(check_array(val_f, ans3)); 67 68 size_t addr[] = {1, 2, 3, 4, 5}; 69 size_t addr1[] = {2, 7, 1, 9, 4}; 70 std::valarray<std::size_t> val_indirect(addr, 5); 71 std::valarray<std::size_t> val_indirect1(addr1, 5); 72 val_g[val_indirect] = val_d1[val_indirect1]; 73 74 double ans4[10] = {10, 2, 7, 1, 9, 4, 10, 10, 10, 10}; 75 VERIFY(check_array(val_g, ans4)); 76 77 return 0; 78}; 79