1349cc55cSDimitry Andric //===----------------------------------------------------------------------===// 20b57cec5SDimitry Andric // 30b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 40b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 50b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 60b57cec5SDimitry Andric // 70b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 80b57cec5SDimitry Andric 981ad6265SDimitry Andric #include <valarray> 100b57cec5SDimitry Andric 110b57cec5SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 120b57cec5SDimitry Andric 130b57cec5SDimitry Andric // These two symbols are part of the v1 ABI but not part of the >=v2 ABI. 140b57cec5SDimitry Andric #if _LIBCPP_ABI_VERSION == 1 1506c3fb27SDimitry Andric template _LIBCPP_EXPORTED_FROM_ABI valarray<size_t>::valarray(size_t); 1606c3fb27SDimitry Andric template _LIBCPP_EXPORTED_FROM_ABI valarray<size_t>::~valarray(); 170b57cec5SDimitry Andric #endif 180b57cec5SDimitry Andric 190b57cec5SDimitry Andric template void valarray<size_t>::resize(size_t, size_t); 200b57cec5SDimitry Andric 21*cb14a3feSDimitry Andric void gslice::__init(size_t __start) { 220b57cec5SDimitry Andric valarray<size_t> __indices(__size_.size()); 230b57cec5SDimitry Andric size_t __k = __size_.size() != 0; 240b57cec5SDimitry Andric for (size_t __i = 0; __i < __size_.size(); ++__i) 250b57cec5SDimitry Andric __k *= __size_[__i]; 260b57cec5SDimitry Andric __1d_.resize(__k); 27*cb14a3feSDimitry Andric if (__1d_.size()) { 280b57cec5SDimitry Andric __k = 0; 290b57cec5SDimitry Andric __1d_[__k] = __start; 30*cb14a3feSDimitry Andric while (true) { 310b57cec5SDimitry Andric size_t __i = __indices.size() - 1; 32*cb14a3feSDimitry Andric while (true) { 33*cb14a3feSDimitry Andric if (++__indices[__i] < __size_[__i]) { 340b57cec5SDimitry Andric ++__k; 350b57cec5SDimitry Andric __1d_[__k] = __1d_[__k - 1] + __stride_[__i]; 360b57cec5SDimitry Andric for (size_t __j = __i + 1; __j != __indices.size(); ++__j) 370b57cec5SDimitry Andric __1d_[__k] -= __stride_[__j] * (__size_[__j] - 1); 380b57cec5SDimitry Andric break; 39*cb14a3feSDimitry Andric } else { 400b57cec5SDimitry Andric if (__i == 0) 410b57cec5SDimitry Andric return; 420b57cec5SDimitry Andric __indices[__i--] = 0; 430b57cec5SDimitry Andric } 440b57cec5SDimitry Andric } 450b57cec5SDimitry Andric } 460b57cec5SDimitry Andric } 470b57cec5SDimitry Andric } 480b57cec5SDimitry Andric 490b57cec5SDimitry Andric _LIBCPP_END_NAMESPACE_STD 50