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/*************************************************************************
* *
* Open Dynamics Engine, Copyright (C) 2001,2002 Russell L. Smith. *
* All rights reserved. Email: russ@q12.org Web: www.q12.org *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of EITHER: *
* (1) The GNU Lesser General Public License as published by the Free *
* Software Foundation; either version 2.1 of the License, or (at *
* your option) any later version. The text of the GNU Lesser *
* General Public License is included with this library in the *
* file LICENSE.TXT. *
* (2) The BSD-style license that is included with this library in *
* the file LICENSE-BSD.TXT. *
* *
* This library 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 files *
* LICENSE.TXT and LICENSE-BSD.TXT for more details. *
* *
*************************************************************************/
#include <ode/config.h>
#include <ode/memory.h>
#include <ode/error.h>
#include "array.h"
static inline int roundUpToPowerOfTwo (int x)
{
int i = 1;
while (i < x) i <<= 1;
return i;
}
void dArrayBase::_freeAll (int sizeofT)
{
if (_data) {
if (_data == this+1) return; // if constructLocalArray() was called
dFree (_data,_anum * sizeofT);
}
}
void dArrayBase::_setSize (int newsize, int sizeofT)
{
if (newsize < 0) return;
if (newsize > _anum) {
if (_data == this+1) {
// this is a no-no, because constructLocalArray() was called
dDebug (0,"setSize() out of space in LOCAL array");
}
int newanum = roundUpToPowerOfTwo (newsize);
if (_data) _data = dRealloc (_data, _anum*sizeofT, newanum*sizeofT);
else _data = dAlloc (newanum*sizeofT);
_anum = newanum;
}
_size = newsize;
}
void * dArrayBase::operator new (size_t size)
{
return dAlloc (size);
}
void dArrayBase::operator delete (void *ptr, size_t size)
{
dFree (ptr,size);
}
void dArrayBase::constructLocalArray (int __anum)
{
_size = 0;
_anum = __anum;
_data = this+1;
}
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