/usr/include/Inventor/SbHeap.h is in libcoin80-dev 3.1.4~abc9f50+dfsg3-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 | #ifndef COIN_SBHEAP_H
#define COIN_SBHEAP_H
/**************************************************************************\
* Copyright (c) Kongsberg Oil & Gas Technologies AS
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
\**************************************************************************/
#include <Inventor/SbBasic.h>
#include <Inventor/lists/SbList.h>
#include <stddef.h>
typedef struct
{
float (*eval_func)(void*);
int (*get_index_func)(void*);
void (*set_index_func)(void*, int);
} SbHeapFuncs;
class COIN_DLL_API SbHeap {
public:
SbHeap(const SbHeapFuncs &SbHeapFuncs,
const int initsize = 1024);
~SbHeap();
void emptyHeap(void);
int size(void) const;
int add(void *obj);
void remove(const int pos);
void remove(void *obj);
void *extractMin();
void *getMin();
void *operator[](const int idx);
void newWeight(void *obj, int hpos = -1);
SbBool buildHeap(SbBool (*progresscb)(float percentage, void *data) = NULL,
void *data = NULL);
SbBool traverseHeap(SbBool (*func)(void *, void *), void *userdata) const;
private:
SbHeapFuncs funcs;
SbList <void*> heap;
int heapInsert(void *obj);
void *heapExtractMin(void);
void heapReserve(const int newsize);
void heapify(const int idx);
};
#endif // !COIN_SBHEAP_H
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