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-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include <valarray>
10
11_LIBCPP_BEGIN_NAMESPACE_STD
12
13// These two symbols are part of the v1 ABI but not part of the >=v2 ABI.
14#if _LIBCPP_ABI_VERSION == 1
15template _LIBCPP_EXPORTED_FROM_ABI valarray<size_t>::valarray(size_t);
16template _LIBCPP_EXPORTED_FROM_ABI valarray<size_t>::~valarray();
17#endif
18
19template void valarray<size_t>::resize(size_t, size_t);
20
21void gslice::__init(size_t __start) {
22 valarray<size_t> __indices(__size_.size());
23 size_t __k = __size_.size() != 0;
24 for (size_t __i = 0; __i < __size_.size(); ++__i)
25 __k *= __size_[__i];
26 __1d_.resize(n: __k);
27 if (__1d_.size()) {
28 __k = 0;
29 __1d_[__k] = __start;
30 while (true) {
31 size_t __i = __indices.size() - 1;
32 while (true) {
33 if (++__indices[__i] < __size_[__i]) {
34 ++__k;
35 __1d_[__k] = __1d_[__k - 1] + __stride_[__i];
36 for (size_t __j = __i + 1; __j != __indices.size(); ++__j)
37 __1d_[__k] -= __stride_[__j] * (__size_[__j] - 1);
38 break;
39 } else {
40 if (__i == 0)
41 return;
42 __indices[__i--] = 0;
43 }
44 }
45 }
46 }
47}
48
49_LIBCPP_END_NAMESPACE_STD
50