1*0b57cec5SDimitry Andric //===------------------------ valarray.cpp --------------------------------===// 2*0b57cec5SDimitry Andric // 3*0b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*0b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5*0b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*0b57cec5SDimitry Andric // 7*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 8*0b57cec5SDimitry Andric 9*0b57cec5SDimitry Andric #include "valarray" 10*0b57cec5SDimitry Andric 11*0b57cec5SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 12*0b57cec5SDimitry Andric 13*0b57cec5SDimitry Andric // These two symbols are part of the v1 ABI but not part of the >=v2 ABI. 14*0b57cec5SDimitry Andric #if _LIBCPP_ABI_VERSION == 1 15*0b57cec5SDimitry Andric template valarray<size_t>::valarray(size_t); 16*0b57cec5SDimitry Andric template valarray<size_t>::~valarray(); 17*0b57cec5SDimitry Andric #endif 18*0b57cec5SDimitry Andric 19*0b57cec5SDimitry Andric template void valarray<size_t>::resize(size_t, size_t); 20*0b57cec5SDimitry Andric 21*0b57cec5SDimitry Andric void 22*0b57cec5SDimitry Andric gslice::__init(size_t __start) 23*0b57cec5SDimitry Andric { 24*0b57cec5SDimitry Andric valarray<size_t> __indices(__size_.size()); 25*0b57cec5SDimitry Andric size_t __k = __size_.size() != 0; 26*0b57cec5SDimitry Andric for (size_t __i = 0; __i < __size_.size(); ++__i) 27*0b57cec5SDimitry Andric __k *= __size_[__i]; 28*0b57cec5SDimitry Andric __1d_.resize(__k); 29*0b57cec5SDimitry Andric if (__1d_.size()) 30*0b57cec5SDimitry Andric { 31*0b57cec5SDimitry Andric __k = 0; 32*0b57cec5SDimitry Andric __1d_[__k] = __start; 33*0b57cec5SDimitry Andric while (true) 34*0b57cec5SDimitry Andric { 35*0b57cec5SDimitry Andric size_t __i = __indices.size() - 1; 36*0b57cec5SDimitry Andric while (true) 37*0b57cec5SDimitry Andric { 38*0b57cec5SDimitry Andric if (++__indices[__i] < __size_[__i]) 39*0b57cec5SDimitry Andric { 40*0b57cec5SDimitry Andric ++__k; 41*0b57cec5SDimitry Andric __1d_[__k] = __1d_[__k-1] + __stride_[__i]; 42*0b57cec5SDimitry Andric for (size_t __j = __i + 1; __j != __indices.size(); ++__j) 43*0b57cec5SDimitry Andric __1d_[__k] -= __stride_[__j] * (__size_[__j] - 1); 44*0b57cec5SDimitry Andric break; 45*0b57cec5SDimitry Andric } 46*0b57cec5SDimitry Andric else 47*0b57cec5SDimitry Andric { 48*0b57cec5SDimitry Andric if (__i == 0) 49*0b57cec5SDimitry Andric return; 50*0b57cec5SDimitry Andric __indices[__i--] = 0; 51*0b57cec5SDimitry Andric } 52*0b57cec5SDimitry Andric } 53*0b57cec5SDimitry Andric } 54*0b57cec5SDimitry Andric } 55*0b57cec5SDimitry Andric } 56*0b57cec5SDimitry Andric 57*0b57cec5SDimitry Andric _LIBCPP_END_NAMESPACE_STD 58