Dan Albert | 287553d | 2017-02-16 10:47:51 -0800 | [diff] [blame] | 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 6 | // Source Licenses. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | // <valarray> |
| 11 | |
| 12 | // template <class T> class gslice_array |
| 13 | |
| 14 | // void operator%= (const valarray<value_type>& v) const; |
| 15 | |
| 16 | #include <valarray> |
| 17 | #include <cassert> |
| 18 | |
| 19 | int main() |
| 20 | { |
| 21 | int a1[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, |
| 22 | 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, |
| 23 | 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, |
| 24 | 36, 37, 38, 39, 40}; |
| 25 | int a2[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, |
| 26 | 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24}; |
| 27 | std::valarray<int> v1(a1, sizeof(a1)/sizeof(a1[0])); |
| 28 | std::valarray<int> v2(a2, sizeof(a2)/sizeof(a2[0])); |
| 29 | std::size_t sz[] = {2, 4, 3}; |
| 30 | std::size_t st[] = {19, 4, 1}; |
| 31 | typedef std::valarray<std::size_t> sizes; |
| 32 | typedef std::valarray<std::size_t> strides; |
| 33 | v1[std::gslice(3, sizes(sz, sizeof(sz)/sizeof(sz[0])), |
| 34 | strides(st, sizeof(st)/sizeof(st[0])))] %= v2; |
| 35 | assert(v1.size() == 41); |
| 36 | assert(v1[ 0] == 0); |
| 37 | assert(v1[ 1] == 1); |
| 38 | assert(v1[ 2] == 2); |
| 39 | assert(v1[ 3] == 0); |
| 40 | assert(v1[ 4] == 0); |
| 41 | assert(v1[ 5] == 2); |
| 42 | assert(v1[ 6] == 6); |
| 43 | assert(v1[ 7] == 3); |
| 44 | assert(v1[ 8] == 3); |
| 45 | assert(v1[ 9] == 3); |
| 46 | assert(v1[10] == 10); |
| 47 | assert(v1[11] == 4); |
| 48 | assert(v1[12] == 4); |
| 49 | assert(v1[13] == 4); |
| 50 | assert(v1[14] == 14); |
| 51 | assert(v1[15] == 5); |
| 52 | assert(v1[16] == 5); |
| 53 | assert(v1[17] == 5); |
| 54 | assert(v1[18] == 18); |
| 55 | assert(v1[19] == 19); |
| 56 | assert(v1[20] == 20); |
| 57 | assert(v1[21] == 21); |
| 58 | assert(v1[22] == 9); |
| 59 | assert(v1[23] == 9); |
| 60 | assert(v1[24] == 9); |
| 61 | assert(v1[25] == 25); |
| 62 | assert(v1[26] == 10); |
| 63 | assert(v1[27] == 10); |
| 64 | assert(v1[28] == 10); |
| 65 | assert(v1[29] == 29); |
| 66 | assert(v1[30] == 11); |
| 67 | assert(v1[31] == 11); |
| 68 | assert(v1[32] == 11); |
| 69 | assert(v1[33] == 33); |
| 70 | assert(v1[34] == 12); |
| 71 | assert(v1[35] == 12); |
| 72 | assert(v1[36] == 12); |
| 73 | assert(v1[37] == 37); |
| 74 | assert(v1[38] == 38); |
| 75 | assert(v1[39] == 39); |
| 76 | assert(v1[40] == 40); |
| 77 | } |