libstdc++-v3/include/ext/pb_ds/detail/gp_hash_table_map_/resize_store_hash_fn_imps.hpp

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005-2020 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the terms
   7 // of the GNU General Public License as published by the Free Software
   8 // Foundation; either version 3, or (at your option) any later
   9 // version.
  10
  11 // This library is distributed in the hope that it will be useful, but
  12 // WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 // General Public License for more details.
  15
  16 // Under Section 7 of GPL version 3, you are granted additional
  17 // permissions described in the GCC Runtime Library Exception, version
  18 // 3.1, as published by the Free Software Foundation.
  19
  20 // You should have received a copy of the GNU General Public License and
  21 // a copy of the GCC Runtime Library Exception along with this program;
  22 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  23 // <http://www.gnu.org/licenses/>.
  24
  25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
  26
  27 // Permission to use, copy, modify, sell, and distribute this software
  28 // is hereby granted without fee, provided that the above copyright
  29 // notice appears in all copies, and that both that copyright notice
  30 // and this permission notice appear in supporting documentation. None
  31 // of the above authors, nor IBM Haifa Research Laboratories, make any
  32 // representation about the suitability of this software for any
  33 // purpose. It is provided "as is" without express or implied
  34 // warranty.
  35
  36 /**
  37  * @file gp_hash_table_map_/resize_store_hash_fn_imps.hpp
  38  * Contains implementations of gp_ht_map_'s resize related functions, when the
  39  * hash value is stored.
  40  */
  41
  42 #ifdef PB_DS_CLASS_C_DEC
  43
  44 PB_DS_CLASS_T_DEC
  45 inline void
  46 PB_DS_CLASS_C_DEC::
  47 resize_imp_reassign(entry_pointer p_e, entry_array a_entries_resized,
  48                     true_type)
  49 {
  50   key_const_reference r_key = PB_DS_V2F(p_e->m_value);
  51   size_type hash = ranged_probe_fn_base::operator()(r_key, p_e->m_hash);
  52
  53   size_type i;
  54   for (i = 0; i < m_num_e; ++i)
  55     {
  56       const size_type pos = ranged_probe_fn_base::operator()(r_key, hash, i);
  57       entry_pointer p_new_e = a_entries_resized + pos;
  58       switch(p_new_e->m_stat)
  59         {
  60         case empty_entry_status:
  61           new (&p_new_e->m_value) value_type(p_e->m_value);
  62           p_new_e->m_hash = hash;
  63           p_new_e->m_stat = valid_entry_status;
  64           return;
  65         case erased_entry_status:
  66           _GLIBCXX_DEBUG_ASSERT(0);
  67           break;
  68         case valid_entry_status:
  69           break;
  70         default:
  71           _GLIBCXX_DEBUG_ASSERT(0);
  72         };
  73     }
  74   __throw_insert_error();
  75 }
  76
  77 #endif