46 lines
1.8 KiB
C++
46 lines
1.8 KiB
C++
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/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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#ifndef __BLI_HEAP_SIMPLE_H__
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#define __BLI_HEAP_SIMPLE_H__
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/** \file BLI_heap_simple.h
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* \ingroup bli
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* \brief A min-heap / priority queue ADT
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*/
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struct FastHeap;
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typedef struct FastHeap FastHeap;
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typedef void (*HeapSimpleFreeFP)(void *ptr);
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FastHeap *BLI_fastheap_new_ex(unsigned int tot_reserve) ATTR_WARN_UNUSED_RESULT;
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FastHeap *BLI_fastheap_new(void) ATTR_WARN_UNUSED_RESULT;
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void BLI_fastheap_clear(FastHeap *heap, HeapSimpleFreeFP ptrfreefp) ATTR_NONNULL(1);
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void BLI_fastheap_free(FastHeap *heap, HeapSimpleFreeFP ptrfreefp) ATTR_NONNULL(1);
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void BLI_fastheap_insert(FastHeap *heap, float value, void *ptr) ATTR_NONNULL(1);
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bool BLI_fastheap_is_empty(const FastHeap *heap) ATTR_NONNULL(1);
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uint BLI_fastheap_len(const FastHeap *heap) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(1);
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float BLI_fastheap_top_value(const FastHeap *heap) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(1);
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void *BLI_fastheap_pop_min(FastHeap *heap) ATTR_NONNULL(1);
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#endif /* __BLI_HEAP_SIMPLE_H__ */
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