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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program 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 2
* of the License, or (at your option) any later version.
*
* This program 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef __BLI_HEAP_SIMPLE_H__
#define __BLI_HEAP_SIMPLE_H__
/** \file BLI_heap_simple.h
* \ingroup bli
* \brief A min-heap / priority queue ADT
*/
struct FastHeap;
typedef struct FastHeap FastHeap;
typedef void (*HeapSimpleFreeFP)(void *ptr);
FastHeap *BLI_fastheap_new_ex(unsigned int tot_reserve) ATTR_WARN_UNUSED_RESULT;
FastHeap *BLI_fastheap_new(void) ATTR_WARN_UNUSED_RESULT;
void BLI_fastheap_clear(FastHeap *heap, HeapSimpleFreeFP ptrfreefp) ATTR_NONNULL(1);
void BLI_fastheap_free(FastHeap *heap, HeapSimpleFreeFP ptrfreefp) ATTR_NONNULL(1);
void BLI_fastheap_insert(FastHeap *heap, float value, void *ptr) ATTR_NONNULL(1);
bool BLI_fastheap_is_empty(const FastHeap *heap) ATTR_NONNULL(1);
uint BLI_fastheap_len(const FastHeap *heap) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(1);
float BLI_fastheap_top_value(const FastHeap *heap) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(1);
void *BLI_fastheap_pop_min(FastHeap *heap) ATTR_NONNULL(1);
#endif /* __BLI_HEAP_SIMPLE_H__ */
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