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-rw-r--r--libraries/ode-0.9/ode/src/array.cpp80
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diff --git a/libraries/ode-0.9/ode/src/array.cpp b/libraries/ode-0.9/ode/src/array.cpp
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1/*************************************************************************
2 * *
3 * Open Dynamics Engine, Copyright (C) 2001,2002 Russell L. Smith. *
4 * All rights reserved. Email: russ@q12.org Web: www.q12.org *
5 * *
6 * This library is free software; you can redistribute it and/or *
7 * modify it under the terms of EITHER: *
8 * (1) The GNU Lesser General Public License as published by the Free *
9 * Software Foundation; either version 2.1 of the License, or (at *
10 * your option) any later version. The text of the GNU Lesser *
11 * General Public License is included with this library in the *
12 * file LICENSE.TXT. *
13 * (2) The BSD-style license that is included with this library in *
14 * the file LICENSE-BSD.TXT. *
15 * *
16 * This library is distributed in the hope that it will be useful, *
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the files *
19 * LICENSE.TXT and LICENSE-BSD.TXT for more details. *
20 * *
21 *************************************************************************/
22
23#include <ode/config.h>
24#include <ode/memory.h>
25#include <ode/error.h>
26#include "array.h"
27
28
29static inline int roundUpToPowerOfTwo (int x)
30{
31 int i = 1;
32 while (i < x) i <<= 1;
33 return i;
34}
35
36
37void dArrayBase::_freeAll (int sizeofT)
38{
39 if (_data) {
40 if (_data == this+1) return; // if constructLocalArray() was called
41 dFree (_data,_anum * sizeofT);
42 }
43}
44
45
46void dArrayBase::_setSize (int newsize, int sizeofT)
47{
48 if (newsize < 0) return;
49 if (newsize > _anum) {
50 if (_data == this+1) {
51 // this is a no-no, because constructLocalArray() was called
52 dDebug (0,"setSize() out of space in LOCAL array");
53 }
54 int newanum = roundUpToPowerOfTwo (newsize);
55 if (_data) _data = dRealloc (_data, _anum*sizeofT, newanum*sizeofT);
56 else _data = dAlloc (newanum*sizeofT);
57 _anum = newanum;
58 }
59 _size = newsize;
60}
61
62
63void * dArrayBase::operator new (size_t size)
64{
65 return dAlloc (size);
66}
67
68
69void dArrayBase::operator delete (void *ptr, size_t size)
70{
71 dFree (ptr,size);
72}
73
74
75void dArrayBase::constructLocalArray (int __anum)
76{
77 _size = 0;
78 _anum = __anum;
79 _data = this+1;
80}