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/*
* 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.
*/
#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 HeapSimple;
typedef struct HeapSimple HeapSimple;
typedef void (*HeapSimpleFreeFP)(void *ptr);
HeapSimple *BLI_heapsimple_new_ex(unsigned int tot_reserve) ATTR_WARN_UNUSED_RESULT;
HeapSimple *BLI_heapsimple_new(void) ATTR_WARN_UNUSED_RESULT;
void BLI_heapsimple_clear(HeapSimple *heap, HeapSimpleFreeFP ptrfreefp) ATTR_NONNULL(1);
void BLI_heapsimple_free(HeapSimple *heap, HeapSimpleFreeFP ptrfreefp) ATTR_NONNULL(1);
void BLI_heapsimple_insert(HeapSimple *heap, float value, void *ptr) ATTR_NONNULL(1);
bool BLI_heapsimple_is_empty(const HeapSimple *heap) ATTR_NONNULL(1);
uint BLI_heapsimple_len(const HeapSimple *heap) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(1);
float BLI_heapsimple_top_value(const HeapSimple *heap) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(1);
void *BLI_heapsimple_pop_min(HeapSimple *heap) ATTR_NONNULL(1);
#endif /* __BLI_HEAP_SIMPLE_H__ */
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