projects / thirdparty / gcc.git / blame
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1 | // -*- C++ -*- |
| 2 | ||
| f5886803 | 3 | // Copyright (C) 2005, 2006, 2009, 2011 Free Software Foundation, Inc. |
| 4569a895 AT |
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 | |
| 748086b7 | 8 | // Foundation; either version 3, or (at your option) any later |
| 4569a895 AT |
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 | ||
| 748086b7 JJ |
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. | |
| 4569a895 | 19 | |
| 748086b7 JJ |
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/>. | |
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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 | /** | |
| a345e45d | 37 | * @file binary_heap_/find_fn_imps.hpp |
| 4569a895 AT |
38 | * Contains an implementation class for a binary_heap. |
| 39 | */ | |
| 40 | ||
| 41 | PB_DS_CLASS_T_DEC | |
| 42 | inline typename PB_DS_CLASS_C_DEC::const_reference | |
| 43 | PB_DS_CLASS_C_DEC:: | |
| 44 | top() const | |
| 45 | { | |
| f5886803 FD |
46 | PB_DS_ASSERT_VALID((*this)) |
| 47 | _GLIBCXX_DEBUG_ASSERT(!empty()); | |
| 4569a895 AT |
48 | return top_imp(s_no_throw_copies_ind); |
| 49 | } | |
| 50 | ||
| 51 | PB_DS_CLASS_T_DEC | |
| 52 | inline typename PB_DS_CLASS_C_DEC::const_reference | |
| 53 | PB_DS_CLASS_C_DEC:: | |
| 54 | top_imp(true_type) const | |
| a345e45d | 55 | { return *m_a_entries; } |
| 4569a895 AT |
56 | |
| 57 | PB_DS_CLASS_T_DEC | |
| 58 | inline typename PB_DS_CLASS_C_DEC::const_reference | |
| 59 | PB_DS_CLASS_C_DEC:: | |
| 60 | top_imp(false_type) const | |
| a345e45d | 61 | { return **m_a_entries; } |
| 4569a895 AT |
62 | |
| 63 | PB_DS_CLASS_T_DEC | |
| 64 | inline typename PB_DS_CLASS_C_DEC::size_type | |
| 65 | PB_DS_CLASS_C_DEC:: | |
| 66 | left_child(size_type i) | |
| a345e45d | 67 | { return i * 2 + 1; } |
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68 | |
| 69 | PB_DS_CLASS_T_DEC | |
| 70 | inline typename PB_DS_CLASS_C_DEC::size_type | |
| 71 | PB_DS_CLASS_C_DEC:: | |
| 72 | right_child(size_type i) | |
| a345e45d | 73 | { return i * 2 + 2; } |
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74 | |
| 75 | PB_DS_CLASS_T_DEC | |
| 76 | inline typename PB_DS_CLASS_C_DEC::size_type | |
| 77 | PB_DS_CLASS_C_DEC:: | |
| 78 | parent(size_type i) | |
| a345e45d | 79 | { return (i - 1) / 2; } |