| // 2004-01-03 Jerry Quinn <jlquinn@optonline.net> |
| |
| // Copyright (C) 2004 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 2, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING. If not, write to the Free |
| // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
| // USA. |
| |
| // As a special exception, you may use this file as part of a free software |
| // library without restriction. Specifically, if other files instantiate |
| // templates or use macros or inline functions from this file, or you compile |
| // this file and link it with other files to produce an executable, this |
| // file does not by itself cause the resulting executable to be covered by |
| // the GNU General Public License. This exception does not however |
| // invalidate any other reasons why the executable file might be covered by |
| // the GNU General Public License. |
| |
| // PR 3247 |
| |
| // This is DR-253. Test for accessible assignment-operators. |
| #include <valarray> |
| #include <testsuite_hooks.h> |
| |
| bool check_array(std::valarray<double>& a, double b[]) |
| { |
| for (int i=0; i < a.size(); i++) |
| if (a[i] != b[i]) return false; |
| return true; |
| } |
| |
| int main() |
| { |
| double dvar = 1.0; |
| std::valarray<double> val_d(10); // 0 1 2 3 4 5 6 7 8 9 |
| std::valarray<double> val_d1(10); // 10 9 8 7 6 5 4 3 2 1 |
| |
| for (int i=0; i< 10; i++) { val_d[i] = 10; val_d1[i] = i; } |
| std::valarray<double> val_c(val_d); |
| std::valarray<double> val_f(val_d); |
| std::valarray<double> val_g(val_d); |
| |
| std::slice slc(1, 3, 3); // 1 4 7 |
| val_d[slc] = val_d1[slc]; |
| |
| double ans1[10] = {10, 1, 10, 10, 4, 10, 10, 7, 10, 10}; |
| VERIFY(check_array(val_d, ans1)); |
| |
| std::valarray<std::size_t> val_size(2); |
| std::valarray<std::size_t> val_stride(2); |
| val_size[0] = 2; val_size[1] = 3; |
| val_stride[0] = 4; val_stride[1] = 1; |
| |
| std::gslice gslc(1, val_size, val_stride); |
| val_c[gslc] = val_d1[gslc]; |
| |
| double ans2[10] = {10, 1, 2, 3, 10, 5, 6, 7, 10, 10}; |
| VERIFY(check_array(val_c, ans2)); |
| |
| std::valarray<bool> val_b(false, 10); |
| val_b[2] = val_b[6] = val_b[9] = true; |
| val_f[val_b] = val_d1[val_b]; |
| |
| double ans3[10] = {10, 10, 2, 10, 10, 10, 6, 10, 10, 9}; |
| VERIFY(check_array(val_f, ans3)); |
| |
| size_t addr[] = {1, 2, 3, 4, 5}; |
| size_t addr1[] = {2, 7, 1, 9, 4}; |
| std::valarray<std::size_t> val_indirect(addr, 5); |
| std::valarray<std::size_t> val_indirect1(addr1, 5); |
| val_g[val_indirect] = val_d1[val_indirect1]; |
| |
| double ans4[10] = {10, 2, 7, 1, 9, 4, 10, 10, 10, 10}; |
| VERIFY(check_array(val_g, ans4)); |
| |
| return 0; |
| }; |