From 554fd8c5195424bdbcabf5de30fdc183aba391bd Mon Sep 17 00:00:00 2001 From: upstream source tree Date: Sun, 15 Mar 2015 20:14:05 -0400 Subject: obtained gcc-4.6.4.tar.bz2 from upstream website; verified gcc-4.6.4.tar.bz2.sig; imported gcc-4.6.4 source tree from verified upstream tarball. downloading a git-generated archive based on the 'upstream' tag should provide you with a source tree that is binary identical to the one extracted from the above tarball. if you have obtained the source via the command 'git clone', however, do note that line-endings of files in your working directory might differ from line-endings of the respective files in the upstream repository. --- .../constructors_destructor_fn_imps.hpp | 91 ++++++++ .../pb_ds/detail/pairing_heap_/debug_fn_imps.hpp | 53 +++++ .../pb_ds/detail/pairing_heap_/erase_fn_imps.hpp | 236 +++++++++++++++++++++ .../pb_ds/detail/pairing_heap_/find_fn_imps.hpp | 50 +++++ .../pb_ds/detail/pairing_heap_/insert_fn_imps.hpp | 101 +++++++++ .../pb_ds/detail/pairing_heap_/pairing_heap_.hpp | 216 +++++++++++++++++++ .../detail/pairing_heap_/split_join_fn_imps.hpp | 140 ++++++++++++ 7 files changed, 887 insertions(+) create mode 100644 libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/constructors_destructor_fn_imps.hpp create mode 100644 libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/debug_fn_imps.hpp create mode 100644 libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/erase_fn_imps.hpp create mode 100644 libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/find_fn_imps.hpp create mode 100644 libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/insert_fn_imps.hpp create mode 100644 libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/pairing_heap_.hpp create mode 100644 libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/split_join_fn_imps.hpp (limited to 'libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_') diff --git a/libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/constructors_destructor_fn_imps.hpp b/libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/constructors_destructor_fn_imps.hpp new file mode 100644 index 000000000..e292ed5d9 --- /dev/null +++ b/libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/constructors_destructor_fn_imps.hpp @@ -0,0 +1,91 @@ +// -*- C++ -*- + +// Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the terms +// of the GNU General Public License as published by the Free Software +// Foundation; either version 3, or (at your option) any later +// version. + +// This library is distributed in the hope that it will be useful, but +// WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. + +// Under Section 7 of GPL version 3, you are granted additional +// permissions described in the GCC Runtime Library Exception, version +// 3.1, as published by the Free Software Foundation. + +// You should have received a copy of the GNU General Public License and +// a copy of the GCC Runtime Library Exception along with this program; +// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +// . + +// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. + +// Permission to use, copy, modify, sell, and distribute this software +// is hereby granted without fee, provided that the above copyright +// notice appears in all copies, and that both that copyright notice +// and this permission notice appear in supporting documentation. None +// of the above authors, nor IBM Haifa Research Laboratories, make any +// representation about the suitability of this software for any +// purpose. It is provided "as is" without express or implied +// warranty. + +/** + * @file constructors_destructor_fn_imps.hpp + * Contains an implementation class for a pairing heap. + */ + +PB_DS_CLASS_T_DEC +template +void +PB_DS_CLASS_C_DEC:: +copy_from_range(It first_it, It last_it) +{ + while (first_it != last_it) + push(*(first_it++)); + + _GLIBCXX_DEBUG_ONLY(assert_valid();) + } + +PB_DS_CLASS_T_DEC +PB_DS_CLASS_C_DEC:: +pairing_heap_() +{ + _GLIBCXX_DEBUG_ONLY(assert_valid();) + } + +PB_DS_CLASS_T_DEC +PB_DS_CLASS_C_DEC:: +pairing_heap_(const Cmp_Fn& r_cmp_fn) : + PB_DS_BASE_C_DEC(r_cmp_fn) +{ + _GLIBCXX_DEBUG_ONLY(assert_valid();) + } + +PB_DS_CLASS_T_DEC +PB_DS_CLASS_C_DEC:: +pairing_heap_(const PB_DS_CLASS_C_DEC& other) : + PB_DS_BASE_C_DEC(other) +{ + _GLIBCXX_DEBUG_ONLY(assert_valid();) + } + +PB_DS_CLASS_T_DEC +void +PB_DS_CLASS_C_DEC:: +swap(PB_DS_CLASS_C_DEC& other) +{ + _GLIBCXX_DEBUG_ONLY(assert_valid();) + + PB_DS_BASE_C_DEC::swap(other); + + _GLIBCXX_DEBUG_ONLY(assert_valid();) + } + +PB_DS_CLASS_T_DEC +PB_DS_CLASS_C_DEC:: +~pairing_heap_() +{ } diff --git a/libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/debug_fn_imps.hpp b/libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/debug_fn_imps.hpp new file mode 100644 index 000000000..f6a1e9430 --- /dev/null +++ b/libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/debug_fn_imps.hpp @@ -0,0 +1,53 @@ +// -*- C++ -*- + +// Copyright (C) 2005, 2006, 2009, 2010 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the terms +// of the GNU General Public License as published by the Free Software +// Foundation; either version 3, or (at your option) any later +// version. + +// This library is distributed in the hope that it will be useful, but +// WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. + +// Under Section 7 of GPL version 3, you are granted additional +// permissions described in the GCC Runtime Library Exception, version +// 3.1, as published by the Free Software Foundation. + +// You should have received a copy of the GNU General Public License and +// a copy of the GCC Runtime Library Exception along with this program; +// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +// . + +// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. + +// Permission to use, copy, modify, sell, and distribute this software +// is hereby granted without fee, provided that the above copyright +// notice appears in all copies, and that both that copyright notice +// and this permission notice appear in supporting documentation. None +// of the above authors, nor IBM Haifa Research Laboratories, make any +// representation about the suitability of this software for any +// purpose. It is provided "as is" without express or implied +// warranty. + +/** + * @file debug_fn_imps.hpp + * Contains an implementation class for a pairing heap. + */ + +#ifdef _GLIBCXX_DEBUG + +PB_DS_CLASS_T_DEC +void +PB_DS_CLASS_C_DEC:: +assert_valid() const +{ + _GLIBCXX_DEBUG_ASSERT(base_type::m_p_root == 0 + || base_type::m_p_root->m_p_next_sibling == 0); + base_type::assert_valid(); +} + +#endif diff --git a/libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/erase_fn_imps.hpp b/libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/erase_fn_imps.hpp new file mode 100644 index 000000000..7ab31930e --- /dev/null +++ b/libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/erase_fn_imps.hpp @@ -0,0 +1,236 @@ +// -*- C++ -*- + +// Copyright (C) 2005, 2006, 2009, 2010 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the terms +// of the GNU General Public License as published by the Free Software +// Foundation; either version 3, or (at your option) any later +// version. + +// This library is distributed in the hope that it will be useful, but +// WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. + +// Under Section 7 of GPL version 3, you are granted additional +// permissions described in the GCC Runtime Library Exception, version +// 3.1, as published by the Free Software Foundation. + +// You should have received a copy of the GNU General Public License and +// a copy of the GCC Runtime Library Exception along with this program; +// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +// . + +// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. + +// Permission to use, copy, modify, sell, and distribute this software +// is hereby granted without fee, provided that the above copyright +// notice appears in all copies, and that both that copyright notice +// and this permission notice appear in supporting documentation. None +// of the above authors, nor IBM Haifa Research Laboratories, make any +// representation about the suitability of this software for any +// purpose. It is provided "as is" without express or implied +// warranty. + +/** + * @file erase_fn_imps.hpp + * Contains an implementation class for a pairing heap. + */ + +PB_DS_CLASS_T_DEC +void +PB_DS_CLASS_C_DEC:: +pop() +{ + _GLIBCXX_DEBUG_ONLY(assert_valid();) + _GLIBCXX_DEBUG_ASSERT(!base_type::empty()); + + node_pointer p_new_root = join_node_children(base_type::m_p_root); + _GLIBCXX_DEBUG_ONLY(assert_node_consistent(p_new_root, false);) + if (p_new_root != 0) + p_new_root->m_p_prev_or_parent = 0; + + base_type::actual_erase_node(base_type::m_p_root); + base_type::m_p_root = p_new_root; + _GLIBCXX_DEBUG_ONLY(assert_valid();) +} + +PB_DS_CLASS_T_DEC +void +PB_DS_CLASS_C_DEC:: +erase(point_iterator it) +{ + _GLIBCXX_DEBUG_ONLY(assert_valid();) + _GLIBCXX_DEBUG_ASSERT(!base_type::empty()); + remove_node(it.m_p_nd); + base_type::actual_erase_node(it.m_p_nd); + _GLIBCXX_DEBUG_ONLY(assert_valid();) +} + +PB_DS_CLASS_T_DEC +void +PB_DS_CLASS_C_DEC:: +remove_node(node_pointer p_nd) +{ + _GLIBCXX_DEBUG_ONLY(assert_valid();) + _GLIBCXX_DEBUG_ASSERT(!base_type::empty()); + node_pointer p_new_child = join_node_children(p_nd); + +#ifdef _GLIBCXX_DEBUG + if (p_new_child != 0) + base_type::assert_node_consistent(p_new_child, false); +#endif + + if (p_nd == base_type::m_p_root) + { + if (p_new_child != 0) + p_new_child->m_p_prev_or_parent = 0; + base_type::m_p_root = p_new_child; + _GLIBCXX_DEBUG_ONLY(base_type::assert_node_consistent(base_type::m_p_root, false);) + return; + } + + _GLIBCXX_DEBUG_ASSERT(p_nd->m_p_prev_or_parent != 0); + if (p_nd->m_p_prev_or_parent->m_p_l_child == p_nd) + { + if (p_new_child != 0) + { + p_new_child->m_p_prev_or_parent = p_nd->m_p_prev_or_parent; + p_new_child->m_p_next_sibling = p_nd->m_p_next_sibling; + if (p_new_child->m_p_next_sibling != 0) + p_new_child->m_p_next_sibling->m_p_prev_or_parent = p_new_child; + p_nd->m_p_prev_or_parent->m_p_l_child = p_new_child; + _GLIBCXX_DEBUG_ONLY(base_type::assert_node_consistent(p_nd->m_p_prev_or_parent, false);) + return; + } + + p_nd->m_p_prev_or_parent->m_p_l_child = p_nd->m_p_next_sibling; + if (p_nd->m_p_next_sibling != 0) + p_nd->m_p_next_sibling->m_p_prev_or_parent = p_nd->m_p_prev_or_parent; + _GLIBCXX_DEBUG_ONLY(base_type::assert_node_consistent(p_nd->m_p_prev_or_parent, false);) + return; + } + + if (p_new_child != 0) + { + p_new_child->m_p_prev_or_parent = p_nd->m_p_prev_or_parent; + p_new_child->m_p_next_sibling = p_nd->m_p_next_sibling; + if (p_new_child->m_p_next_sibling != 0) + p_new_child->m_p_next_sibling->m_p_prev_or_parent = p_new_child; + p_new_child->m_p_prev_or_parent->m_p_next_sibling = p_new_child; + _GLIBCXX_DEBUG_ONLY(base_type::assert_node_consistent(p_nd->m_p_prev_or_parent, false);) + return; + } + + p_nd->m_p_prev_or_parent->m_p_next_sibling = p_nd->m_p_next_sibling; + if (p_nd->m_p_next_sibling != 0) + p_nd->m_p_next_sibling->m_p_prev_or_parent = p_nd->m_p_prev_or_parent; + _GLIBCXX_DEBUG_ONLY(base_type::assert_node_consistent(p_nd->m_p_prev_or_parent, false);) +} + +PB_DS_CLASS_T_DEC +typename PB_DS_CLASS_C_DEC::node_pointer +PB_DS_CLASS_C_DEC:: +join_node_children(node_pointer p_nd) +{ + _GLIBCXX_DEBUG_ASSERT(p_nd != 0); + node_pointer p_ret = p_nd->m_p_l_child; + if (p_ret == 0) + return 0; + while (p_ret->m_p_next_sibling != 0) + p_ret = forward_join(p_ret, p_ret->m_p_next_sibling); + while (p_ret->m_p_prev_or_parent != p_nd) + p_ret = back_join(p_ret->m_p_prev_or_parent, p_ret); + _GLIBCXX_DEBUG_ONLY(assert_node_consistent(p_ret, false);) + return p_ret; +} + +PB_DS_CLASS_T_DEC +typename PB_DS_CLASS_C_DEC::node_pointer +PB_DS_CLASS_C_DEC:: +forward_join(node_pointer p_nd, node_pointer p_next) +{ + _GLIBCXX_DEBUG_ASSERT(p_nd != 0); + _GLIBCXX_DEBUG_ASSERT(p_nd->m_p_next_sibling == p_next); + if (Cmp_Fn::operator()(p_nd->m_value, p_next->m_value)) + { + p_next->m_p_prev_or_parent = p_nd->m_p_prev_or_parent; + base_type::make_child_of(p_nd, p_next); + return p_next->m_p_next_sibling == 0 + ? p_next : p_next->m_p_next_sibling; + } + + if (p_next->m_p_next_sibling != 0) + { + p_next->m_p_next_sibling->m_p_prev_or_parent = p_nd; + p_nd->m_p_next_sibling = p_next->m_p_next_sibling; + base_type::make_child_of(p_next, p_nd); + return p_nd->m_p_next_sibling; + } + + p_nd->m_p_next_sibling = 0; + base_type::make_child_of(p_next, p_nd); + _GLIBCXX_DEBUG_ONLY(base_type::assert_node_consistent(p_nd, false)); + return p_nd; +} + +PB_DS_CLASS_T_DEC +typename PB_DS_CLASS_C_DEC::node_pointer +PB_DS_CLASS_C_DEC:: +back_join(node_pointer p_nd, node_pointer p_next) +{ + _GLIBCXX_DEBUG_ASSERT(p_nd != 0); + _GLIBCXX_DEBUG_ASSERT(p_next->m_p_next_sibling == 0); + + if (Cmp_Fn::operator()(p_nd->m_value, p_next->m_value)) + { + p_next->m_p_prev_or_parent = p_nd->m_p_prev_or_parent; + base_type::make_child_of(p_nd, p_next); + _GLIBCXX_DEBUG_ONLY(base_type::assert_node_consistent(p_next, false)); + return p_next; + } + + p_nd->m_p_next_sibling = 0; + base_type::make_child_of(p_next, p_nd); + _GLIBCXX_DEBUG_ONLY(base_type::assert_node_consistent(p_nd, false)); + return p_nd; +} + +PB_DS_CLASS_T_DEC +template +typename PB_DS_CLASS_C_DEC::size_type +PB_DS_CLASS_C_DEC:: +erase_if(Pred pred) +{ + _GLIBCXX_DEBUG_ONLY(assert_valid();) + if (base_type::empty()) + { + _GLIBCXX_DEBUG_ONLY(assert_valid();) + return 0; + } + base_type::to_linked_list(); + node_pointer p_out = base_type::prune(pred); + size_type ersd = 0; + while (p_out != 0) + { + ++ersd; + node_pointer p_next = p_out->m_p_next_sibling; + base_type::actual_erase_node(p_out); + p_out = p_next; + } + + node_pointer p_cur = base_type::m_p_root; + base_type::m_p_root = 0; + while (p_cur != 0) + { + node_pointer p_next = p_cur->m_p_next_sibling; + p_cur->m_p_l_child = p_cur->m_p_next_sibling = p_cur->m_p_prev_or_parent = 0; + + push_imp(p_cur); + p_cur = p_next; + } + _GLIBCXX_DEBUG_ONLY(assert_valid();) + return ersd; +} + diff --git a/libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/find_fn_imps.hpp b/libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/find_fn_imps.hpp new file mode 100644 index 000000000..85efd70dc --- /dev/null +++ b/libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/find_fn_imps.hpp @@ -0,0 +1,50 @@ +// -*- C++ -*- + +// Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the terms +// of the GNU General Public License as published by the Free Software +// Foundation; either version 3, or (at your option) any later +// version. + +// This library is distributed in the hope that it will be useful, but +// WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. + +// Under Section 7 of GPL version 3, you are granted additional +// permissions described in the GCC Runtime Library Exception, version +// 3.1, as published by the Free Software Foundation. + +// You should have received a copy of the GNU General Public License and +// a copy of the GCC Runtime Library Exception along with this program; +// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +// . + +// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. + +// Permission to use, copy, modify, sell, and distribute this software +// is hereby granted without fee, provided that the above copyright +// notice appears in all copies, and that both that copyright notice +// and this permission notice appear in supporting documentation. None +// of the above authors, nor IBM Haifa Research Laboratories, make any +// representation about the suitability of this software for any +// purpose. It is provided "as is" without express or implied +// warranty. + +/** + * @file find_fn_imps.hpp + * Contains an implementation class for a pairing heap. + */ + +PB_DS_CLASS_T_DEC +inline typename PB_DS_CLASS_C_DEC::const_reference +PB_DS_CLASS_C_DEC:: +top() const +{ + _GLIBCXX_DEBUG_ONLY(assert_valid();) + _GLIBCXX_DEBUG_ASSERT(!base_type::empty()); + + return base_type::m_p_root->m_value; +} diff --git a/libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/insert_fn_imps.hpp b/libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/insert_fn_imps.hpp new file mode 100644 index 000000000..9a5f5f64e --- /dev/null +++ b/libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/insert_fn_imps.hpp @@ -0,0 +1,101 @@ +// -*- C++ -*- + +// Copyright (C) 2005, 2006, 2009, 2010 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the terms +// of the GNU General Public License as published by the Free Software +// Foundation; either version 3, or (at your option) any later +// version. + +// This library is distributed in the hope that it will be useful, but +// WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. + +// Under Section 7 of GPL version 3, you are granted additional +// permissions described in the GCC Runtime Library Exception, version +// 3.1, as published by the Free Software Foundation. + +// You should have received a copy of the GNU General Public License and +// a copy of the GCC Runtime Library Exception along with this program; +// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +// . + +// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. + +// Permission to use, copy, modify, sell, and distribute this software +// is hereby granted without fee, provided that the above copyright +// notice appears in all copies, and that both that copyright notice +// and this permission notice appear in supporting documentation. None +// of the above authors, nor IBM Haifa Research Laboratories, make any +// representation about the suitability of this software for any +// purpose. It is provided "as is" without express or implied +// warranty. + +/** + * @file insert_fn_imps.hpp + * Contains an implementation class for a pairing heap. + */ + +PB_DS_CLASS_T_DEC +inline typename PB_DS_CLASS_C_DEC::point_iterator +PB_DS_CLASS_C_DEC:: +push(const_reference r_val) +{ + _GLIBCXX_DEBUG_ONLY(assert_valid();) + + node_pointer p_new_nd = base_type::get_new_node_for_insert(r_val); + + push_imp(p_new_nd); + + _GLIBCXX_DEBUG_ONLY(assert_valid();) + + return point_iterator(p_new_nd); +} + +PB_DS_CLASS_T_DEC +inline void +PB_DS_CLASS_C_DEC:: +push_imp(node_pointer p_nd) +{ + p_nd->m_p_l_child = 0; + + if (base_type::m_p_root == 0) + { + p_nd->m_p_next_sibling = p_nd->m_p_prev_or_parent = 0; + + base_type::m_p_root = p_nd; + } + else if (Cmp_Fn::operator()(base_type::m_p_root->m_value, p_nd->m_value)) + { + p_nd->m_p_next_sibling = p_nd->m_p_prev_or_parent = 0; + + base_type::make_child_of(base_type::m_p_root, p_nd); + _GLIBCXX_DEBUG_ONLY(base_type::assert_node_consistent(p_nd, false)); + + base_type::m_p_root = p_nd; + } + else + { + base_type::make_child_of(p_nd, base_type::m_p_root); + _GLIBCXX_DEBUG_ONLY(base_type::assert_node_consistent(base_type::m_p_root, false)); + } +} + +PB_DS_CLASS_T_DEC +void +PB_DS_CLASS_C_DEC:: +modify(point_iterator it, const_reference r_new_val) +{ + _GLIBCXX_DEBUG_ONLY(assert_valid();) + + remove_node(it.m_p_nd); + + it.m_p_nd->m_value = r_new_val; + + push_imp(it.m_p_nd); + + _GLIBCXX_DEBUG_ONLY(assert_valid();) + } + diff --git a/libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/pairing_heap_.hpp b/libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/pairing_heap_.hpp new file mode 100644 index 000000000..e19bcb695 --- /dev/null +++ b/libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/pairing_heap_.hpp @@ -0,0 +1,216 @@ +// -*- C++ -*- + +// Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the terms +// of the GNU General Public License as published by the Free Software +// Foundation; either version 3, or (at your option) any later +// version. + +// This library is distributed in the hope that it will be useful, but +// WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. + +// Under Section 7 of GPL version 3, you are granted additional +// permissions described in the GCC Runtime Library Exception, version +// 3.1, as published by the Free Software Foundation. + +// You should have received a copy of the GNU General Public License and +// a copy of the GCC Runtime Library Exception along with this program; +// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +// . + +// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. + +// Permission to use, copy, modify, sell, and distribute this software +// is hereby granted without fee, provided that the above copyright +// notice appears in all copies, and that both that copyright notice +// and this permission notice appear in supporting documentation. None +// of the above authors, nor IBM Haifa Research Laboratories, make any +// representation about the suitability of this software for any +// purpose. It is provided "as is" without express or implied +// warranty. + +/** + * @file pairing_heap_.hpp + * Contains an implementation class for a pairing heap. + */ + +/* + * Pairing heap: + * Michael L. Fredman, Robert Sedgewick, Daniel Dominic Sleator, + * and Robert Endre Tarjan, The Pairing Heap: + * A New Form of Self-Adjusting Heap, Algorithmica, 1(1):111-129, 1986. + */ + +#include +#include +#include +#include +#include + +namespace __gnu_pbds +{ + namespace detail + { + +#define PB_DS_CLASS_T_DEC \ + template + +#define PB_DS_CLASS_C_DEC \ + pairing_heap_ + +#ifdef _GLIBCXX_DEBUG +#define PB_DS_BASE_C_DEC \ + left_child_next_sibling_heap_< \ + Value_Type, \ + Cmp_Fn, \ + null_left_child_next_sibling_heap_node_metadata, \ + Allocator, \ + false> +#else +#define PB_DS_BASE_C_DEC \ + left_child_next_sibling_heap_< \ + Value_Type, \ + Cmp_Fn, \ + null_left_child_next_sibling_heap_node_metadata, \ + Allocator> +#endif + + /** + * class description = "P4ri|\|g h3ap$"> + **/ + template + class pairing_heap_ : public PB_DS_BASE_C_DEC + { + + private: + typedef PB_DS_BASE_C_DEC base_type; + + typedef typename base_type::node_pointer node_pointer; + + public: + + typedef typename Allocator::size_type size_type; + + typedef typename Allocator::difference_type difference_type; + + typedef Value_Type value_type; + + typedef + typename Allocator::template rebind< + value_type>::other::pointer + pointer; + + typedef + typename Allocator::template rebind< + value_type>::other::const_pointer + const_pointer; + + typedef + typename Allocator::template rebind< + value_type>::other::reference + reference; + + typedef + typename Allocator::template rebind< + value_type>::other::const_reference + const_reference; + + typedef + typename PB_DS_BASE_C_DEC::const_point_iterator + const_point_iterator; + + typedef typename PB_DS_BASE_C_DEC::point_iterator point_iterator; + + typedef typename PB_DS_BASE_C_DEC::const_iterator const_iterator; + + typedef typename PB_DS_BASE_C_DEC::iterator iterator; + + typedef Cmp_Fn cmp_fn; + + typedef Allocator allocator_type; + + + pairing_heap_(); + + pairing_heap_(const Cmp_Fn& r_cmp_fn); + + pairing_heap_(const PB_DS_CLASS_C_DEC& other); + + void + swap(PB_DS_CLASS_C_DEC& other); + + ~pairing_heap_(); + + inline point_iterator + push(const_reference r_val); + + void + modify(point_iterator it, const_reference r_new_val); + + inline const_reference + top() const; + + void + pop(); + + void + erase(point_iterator it); + + template + size_type + erase_if(Pred pred); + + template + void + split(Pred pred, PB_DS_CLASS_C_DEC& other); + + void + join(PB_DS_CLASS_C_DEC& other); + + protected: + + template + void + copy_from_range(It first_it, It last_it); + +#ifdef _GLIBCXX_DEBUG + void + assert_valid() const; +#endif + + private: + + inline void + push_imp(node_pointer p_nd); + + node_pointer + join_node_children(node_pointer p_nd); + + node_pointer + forward_join(node_pointer p_nd, node_pointer p_next); + + node_pointer + back_join(node_pointer p_nd, node_pointer p_next); + + void + remove_node(node_pointer p_nd); + + }; + +#include +#include +#include +#include +#include +#include + +#undef PB_DS_CLASS_C_DEC +#undef PB_DS_CLASS_T_DEC +#undef PB_DS_BASE_C_DEC + + } // namespace detail +} // namespace __gnu_pbds diff --git a/libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/split_join_fn_imps.hpp b/libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/split_join_fn_imps.hpp new file mode 100644 index 000000000..1e6138c38 --- /dev/null +++ b/libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/split_join_fn_imps.hpp @@ -0,0 +1,140 @@ +// -*- C++ -*- + +// Copyright (C) 2005, 2006, 2009, 2010 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the terms +// of the GNU General Public License as published by the Free Software +// Foundation; either version 3, or (at your option) any later +// version. + +// This library is distributed in the hope that it will be useful, but +// WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. + +// Under Section 7 of GPL version 3, you are granted additional +// permissions described in the GCC Runtime Library Exception, version +// 3.1, as published by the Free Software Foundation. + +// You should have received a copy of the GNU General Public License and +// a copy of the GCC Runtime Library Exception along with this program; +// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +// . + +// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. + +// Permission to use, copy, modify, sell, and distribute this software +// is hereby granted without fee, provided that the above copyright +// notice appears in all copies, and that both that copyright notice +// and this permission notice appear in supporting documentation. None +// of the above authors, nor IBM Haifa Research Laboratories, make any +// representation about the suitability of this software for any +// purpose. It is provided "as is" without express or implied +// warranty. + +/** + * @file split_join_fn_imps.hpp + * Contains an implementation class for a pairing heap. + */ + +PB_DS_CLASS_T_DEC +template +void +PB_DS_CLASS_C_DEC:: +split(Pred pred, PB_DS_CLASS_C_DEC& other) +{ + _GLIBCXX_DEBUG_ONLY(assert_valid();) + _GLIBCXX_DEBUG_ONLY(other.assert_valid();) + + other.clear(); + + if (base_type::empty()) + { + _GLIBCXX_DEBUG_ONLY(assert_valid();) + _GLIBCXX_DEBUG_ONLY(other.assert_valid();) + + return; + } + + base_type::to_linked_list(); + + node_pointer p_out = base_type::prune(pred); + + while (p_out != 0) + { + _GLIBCXX_DEBUG_ASSERT(base_type::m_size > 0); + --base_type::m_size; + + ++other.m_size; + + node_pointer p_next = p_out->m_p_next_sibling; + + p_out->m_p_l_child = p_out->m_p_next_sibling = p_out->m_p_prev_or_parent = 0; + + other.push_imp(p_out); + + p_out = p_next; + } + + _GLIBCXX_DEBUG_ONLY(other.assert_valid();) + + node_pointer p_cur = base_type::m_p_root; + + base_type::m_p_root = 0; + + while (p_cur != 0) + { + node_pointer p_next = p_cur->m_p_next_sibling; + + p_cur->m_p_l_child = p_cur->m_p_next_sibling = p_cur->m_p_prev_or_parent = 0; + + push_imp(p_cur); + + p_cur = p_next; + } + + _GLIBCXX_DEBUG_ONLY(assert_valid();) + _GLIBCXX_DEBUG_ONLY(other.assert_valid();) + } + +PB_DS_CLASS_T_DEC +inline void +PB_DS_CLASS_C_DEC:: +join(PB_DS_CLASS_C_DEC& other) +{ + _GLIBCXX_DEBUG_ONLY(assert_valid();) + _GLIBCXX_DEBUG_ONLY(other.assert_valid();) + + if (other.m_p_root == 0) + { + _GLIBCXX_DEBUG_ONLY(assert_valid();) + _GLIBCXX_DEBUG_ONLY(other.assert_valid();) + + return; + } + + if (base_type::m_p_root == 0) + base_type::m_p_root = other.m_p_root; + else if (Cmp_Fn::operator()(base_type::m_p_root->m_value, other.m_p_root->m_value)) + { + base_type::make_child_of(base_type::m_p_root, other.m_p_root); + _GLIBCXX_DEBUG_ONLY(base_type::assert_node_consistent(other.m_p_root, false)); + + base_type::m_p_root = other.m_p_root; + } + else + { + base_type::make_child_of(other.m_p_root, base_type::m_p_root); + _GLIBCXX_DEBUG_ONLY(base_type::assert_node_consistent(base_type::m_p_root, false)); + } + + base_type::m_size += other.m_size; + + other.m_p_root = 0; + other.m_size = 0; + + _GLIBCXX_DEBUG_ONLY(assert_valid();) + _GLIBCXX_DEBUG_ONLY(other.assert_valid();) + } + -- cgit v1.2.3