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-rw-r--r--thirdparty/bullet/LinearMath/btAlignedObjectArray.h653
1 files changed, 317 insertions, 336 deletions
diff --git a/thirdparty/bullet/LinearMath/btAlignedObjectArray.h b/thirdparty/bullet/LinearMath/btAlignedObjectArray.h
index f0b646529a..b4671bc19f 100644
--- a/thirdparty/bullet/LinearMath/btAlignedObjectArray.h
+++ b/thirdparty/bullet/LinearMath/btAlignedObjectArray.h
@@ -13,11 +13,10 @@ subject to the following restrictions:
3. This notice may not be removed or altered from any source distribution.
*/
-
#ifndef BT_OBJECT_ARRAY__
#define BT_OBJECT_ARRAY__
-#include "btScalar.h" // has definitions like SIMD_FORCE_INLINE
+#include "btScalar.h" // has definitions like SIMD_FORCE_INLINE
#include "btAlignedAllocator.h"
///If the platform doesn't support placement new, you can disable BT_USE_PLACEMENT_NEW
@@ -28,16 +27,16 @@ subject to the following restrictions:
#define BT_USE_PLACEMENT_NEW 1
//#define BT_USE_MEMCPY 1 //disable, because it is cumbersome to find out for each platform where memcpy is defined. It can be in <memory.h> or <string.h> or otherwise...
-#define BT_ALLOW_ARRAY_COPY_OPERATOR // enabling this can accidently perform deep copies of data if you are not careful
+#define BT_ALLOW_ARRAY_COPY_OPERATOR // enabling this can accidently perform deep copies of data if you are not careful
#ifdef BT_USE_MEMCPY
#include <memory.h>
#include <string.h>
-#endif //BT_USE_MEMCPY
+#endif //BT_USE_MEMCPY
#ifdef BT_USE_PLACEMENT_NEW
-#include <new> //for placement new
-#endif //BT_USE_PLACEMENT_NEW
+#include <new> //for placement new
+#endif //BT_USE_PLACEMENT_NEW
// The register keyword is deprecated in C++11 so don't use it.
#if __cplusplus > 199711L
@@ -48,374 +47,358 @@ subject to the following restrictions:
///The btAlignedObjectArray template class uses a subset of the stl::vector interface for its methods
///It is developed to replace stl::vector to avoid portability issues, including STL alignment issues to add SIMD/SSE data
-template <typename T>
-//template <class T>
+template <typename T>
+//template <class T>
class btAlignedObjectArray
{
- btAlignedAllocator<T , 16> m_allocator;
+ btAlignedAllocator<T, 16> m_allocator;
- int m_size;
- int m_capacity;
- T* m_data;
+ int m_size;
+ int m_capacity;
+ T* m_data;
//PCK: added this line
- bool m_ownsMemory;
+ bool m_ownsMemory;
#ifdef BT_ALLOW_ARRAY_COPY_OPERATOR
public:
- SIMD_FORCE_INLINE btAlignedObjectArray<T>& operator=(const btAlignedObjectArray<T> &other)
+ SIMD_FORCE_INLINE btAlignedObjectArray<T>& operator=(const btAlignedObjectArray<T>& other)
{
copyFromArray(other);
return *this;
}
-#else//BT_ALLOW_ARRAY_COPY_OPERATOR
+#else //BT_ALLOW_ARRAY_COPY_OPERATOR
private:
- SIMD_FORCE_INLINE btAlignedObjectArray<T>& operator=(const btAlignedObjectArray<T> &other);
-#endif//BT_ALLOW_ARRAY_COPY_OPERATOR
+ SIMD_FORCE_INLINE btAlignedObjectArray<T>& operator=(const btAlignedObjectArray<T>& other);
+#endif //BT_ALLOW_ARRAY_COPY_OPERATOR
protected:
- SIMD_FORCE_INLINE int allocSize(int size)
- {
- return (size ? size*2 : 1);
- }
- SIMD_FORCE_INLINE void copy(int start,int end, T* dest) const
- {
- int i;
- for (i=start;i<end;++i)
+ SIMD_FORCE_INLINE int allocSize(int size)
+ {
+ return (size ? size * 2 : 1);
+ }
+ SIMD_FORCE_INLINE void copy(int start, int end, T* dest) const
+ {
+ int i;
+ for (i = start; i < end; ++i)
#ifdef BT_USE_PLACEMENT_NEW
- new (&dest[i]) T(m_data[i]);
+ new (&dest[i]) T(m_data[i]);
#else
- dest[i] = m_data[i];
-#endif //BT_USE_PLACEMENT_NEW
- }
+ dest[i] = m_data[i];
+#endif //BT_USE_PLACEMENT_NEW
+ }
- SIMD_FORCE_INLINE void init()
+ SIMD_FORCE_INLINE void init()
+ {
+ //PCK: added this line
+ m_ownsMemory = true;
+ m_data = 0;
+ m_size = 0;
+ m_capacity = 0;
+ }
+ SIMD_FORCE_INLINE void destroy(int first, int last)
+ {
+ int i;
+ for (i = first; i < last; i++)
{
- //PCK: added this line
- m_ownsMemory = true;
- m_data = 0;
- m_size = 0;
- m_capacity = 0;
+ m_data[i].~T();
}
- SIMD_FORCE_INLINE void destroy(int first,int last)
+ }
+
+ SIMD_FORCE_INLINE void* allocate(int size)
+ {
+ if (size)
+ return m_allocator.allocate(size);
+ return 0;
+ }
+
+ SIMD_FORCE_INLINE void deallocate()
+ {
+ if (m_data)
{
- int i;
- for (i=first; i<last;i++)
+ //PCK: enclosed the deallocation in this block
+ if (m_ownsMemory)
{
- m_data[i].~T();
+ m_allocator.deallocate(m_data);
}
+ m_data = 0;
}
+ }
- SIMD_FORCE_INLINE void* allocate(int size)
- {
- if (size)
- return m_allocator.allocate(size);
- return 0;
- }
+public:
+ btAlignedObjectArray()
+ {
+ init();
+ }
- SIMD_FORCE_INLINE void deallocate()
- {
- if(m_data) {
- //PCK: enclosed the deallocation in this block
- if (m_ownsMemory)
- {
- m_allocator.deallocate(m_data);
- }
- m_data = 0;
- }
- }
+ ~btAlignedObjectArray()
+ {
+ clear();
+ }
-
+ ///Generally it is best to avoid using the copy constructor of an btAlignedObjectArray, and use a (const) reference to the array instead.
+ btAlignedObjectArray(const btAlignedObjectArray& otherArray)
+ {
+ init();
+ int otherSize = otherArray.size();
+ resize(otherSize);
+ otherArray.copy(0, otherSize, m_data);
+ }
- public:
-
- btAlignedObjectArray()
- {
- init();
- }
+ /// return the number of elements in the array
+ SIMD_FORCE_INLINE int size() const
+ {
+ return m_size;
+ }
- ~btAlignedObjectArray()
- {
- clear();
- }
+ SIMD_FORCE_INLINE const T& at(int n) const
+ {
+ btAssert(n >= 0);
+ btAssert(n < size());
+ return m_data[n];
+ }
- ///Generally it is best to avoid using the copy constructor of an btAlignedObjectArray, and use a (const) reference to the array instead.
- btAlignedObjectArray(const btAlignedObjectArray& otherArray)
- {
- init();
+ SIMD_FORCE_INLINE T& at(int n)
+ {
+ btAssert(n >= 0);
+ btAssert(n < size());
+ return m_data[n];
+ }
- int otherSize = otherArray.size();
- resize (otherSize);
- otherArray.copy(0, otherSize, m_data);
- }
+ SIMD_FORCE_INLINE const T& operator[](int n) const
+ {
+ btAssert(n >= 0);
+ btAssert(n < size());
+ return m_data[n];
+ }
-
-
- /// return the number of elements in the array
- SIMD_FORCE_INLINE int size() const
- {
- return m_size;
- }
-
- SIMD_FORCE_INLINE const T& at(int n) const
- {
- btAssert(n>=0);
- btAssert(n<size());
- return m_data[n];
- }
+ SIMD_FORCE_INLINE T& operator[](int n)
+ {
+ btAssert(n >= 0);
+ btAssert(n < size());
+ return m_data[n];
+ }
- SIMD_FORCE_INLINE T& at(int n)
- {
- btAssert(n>=0);
- btAssert(n<size());
- return m_data[n];
- }
+ ///clear the array, deallocated memory. Generally it is better to use array.resize(0), to reduce performance overhead of run-time memory (de)allocations.
+ SIMD_FORCE_INLINE void clear()
+ {
+ destroy(0, size());
- SIMD_FORCE_INLINE const T& operator[](int n) const
- {
- btAssert(n>=0);
- btAssert(n<size());
- return m_data[n];
- }
+ deallocate();
- SIMD_FORCE_INLINE T& operator[](int n)
- {
- btAssert(n>=0);
- btAssert(n<size());
- return m_data[n];
- }
-
+ init();
+ }
- ///clear the array, deallocated memory. Generally it is better to use array.resize(0), to reduce performance overhead of run-time memory (de)allocations.
- SIMD_FORCE_INLINE void clear()
- {
- destroy(0,size());
-
- deallocate();
-
- init();
- }
+ SIMD_FORCE_INLINE void pop_back()
+ {
+ btAssert(m_size > 0);
+ m_size--;
+ m_data[m_size].~T();
+ }
- SIMD_FORCE_INLINE void pop_back()
+ ///resize changes the number of elements in the array. If the new size is larger, the new elements will be constructed using the optional second argument.
+ ///when the new number of elements is smaller, the destructor will be called, but memory will not be freed, to reduce performance overhead of run-time memory (de)allocations.
+ SIMD_FORCE_INLINE void resizeNoInitialize(int newsize)
+ {
+ if (newsize > size())
{
- btAssert(m_size>0);
- m_size--;
- m_data[m_size].~T();
+ reserve(newsize);
}
+ m_size = newsize;
+ }
+ SIMD_FORCE_INLINE void resize(int newsize, const T& fillData = T())
+ {
+ const BT_REGISTER int curSize = size();
- ///resize changes the number of elements in the array. If the new size is larger, the new elements will be constructed using the optional second argument.
- ///when the new number of elements is smaller, the destructor will be called, but memory will not be freed, to reduce performance overhead of run-time memory (de)allocations.
- SIMD_FORCE_INLINE void resizeNoInitialize(int newsize)
+ if (newsize < curSize)
{
- if (newsize > size())
+ for (int i = newsize; i < curSize; i++)
{
- reserve(newsize);
+ m_data[i].~T();
}
- m_size = newsize;
}
-
- SIMD_FORCE_INLINE void resize(int newsize, const T& fillData=T())
+ else
{
- const BT_REGISTER int curSize = size();
-
- if (newsize < curSize)
+ if (newsize > curSize)
{
- for(int i = newsize; i < curSize; i++)
- {
- m_data[i].~T();
- }
- } else
- {
- if (newsize > curSize)
- {
- reserve(newsize);
- }
-#ifdef BT_USE_PLACEMENT_NEW
- for (int i=curSize;i<newsize;i++)
- {
- new ( &m_data[i]) T(fillData);
- }
-#endif //BT_USE_PLACEMENT_NEW
-
+ reserve(newsize);
}
-
- m_size = newsize;
- }
- SIMD_FORCE_INLINE T& expandNonInitializing( )
- {
- const BT_REGISTER int sz = size();
- if( sz == capacity() )
+#ifdef BT_USE_PLACEMENT_NEW
+ for (int i = curSize; i < newsize; i++)
{
- reserve( allocSize(size()) );
+ new (&m_data[i]) T(fillData);
}
- m_size++;
+#endif //BT_USE_PLACEMENT_NEW
+ }
- return m_data[sz];
+ m_size = newsize;
+ }
+ SIMD_FORCE_INLINE T& expandNonInitializing()
+ {
+ const BT_REGISTER int sz = size();
+ if (sz == capacity())
+ {
+ reserve(allocSize(size()));
}
+ m_size++;
+ return m_data[sz];
+ }
- SIMD_FORCE_INLINE T& expand( const T& fillValue=T())
- {
- const BT_REGISTER int sz = size();
- if( sz == capacity() )
- {
- reserve( allocSize(size()) );
- }
- m_size++;
+ SIMD_FORCE_INLINE T& expand(const T& fillValue = T())
+ {
+ const BT_REGISTER int sz = size();
+ if (sz == capacity())
+ {
+ reserve(allocSize(size()));
+ }
+ m_size++;
#ifdef BT_USE_PLACEMENT_NEW
- new (&m_data[sz]) T(fillValue); //use the in-place new (not really allocating heap memory)
+ new (&m_data[sz]) T(fillValue); //use the in-place new (not really allocating heap memory)
#endif
- return m_data[sz];
- }
+ return m_data[sz];
+ }
+ SIMD_FORCE_INLINE void push_back(const T& _Val)
+ {
+ const BT_REGISTER int sz = size();
+ if (sz == capacity())
+ {
+ reserve(allocSize(size()));
+ }
- SIMD_FORCE_INLINE void push_back(const T& _Val)
- {
- const BT_REGISTER int sz = size();
- if( sz == capacity() )
- {
- reserve( allocSize(size()) );
- }
-
#ifdef BT_USE_PLACEMENT_NEW
- new ( &m_data[m_size] ) T(_Val);
+ new (&m_data[m_size]) T(_Val);
#else
- m_data[size()] = _Val;
-#endif //BT_USE_PLACEMENT_NEW
-
- m_size++;
- }
+ m_data[size()] = _Val;
+#endif //BT_USE_PLACEMENT_NEW
-
- /// return the pre-allocated (reserved) elements, this is at least as large as the total number of elements,see size() and reserve()
- SIMD_FORCE_INLINE int capacity() const
- {
- return m_capacity;
- }
-
- SIMD_FORCE_INLINE void reserve(int _Count)
- { // determine new minimum length of allocated storage
- if (capacity() < _Count)
- { // not enough room, reallocate
- T* s = (T*)allocate(_Count);
+ m_size++;
+ }
- copy(0, size(), s);
+ /// return the pre-allocated (reserved) elements, this is at least as large as the total number of elements,see size() and reserve()
+ SIMD_FORCE_INLINE int capacity() const
+ {
+ return m_capacity;
+ }
- destroy(0,size());
+ SIMD_FORCE_INLINE void reserve(int _Count)
+ { // determine new minimum length of allocated storage
+ if (capacity() < _Count)
+ { // not enough room, reallocate
+ T* s = (T*)allocate(_Count);
- deallocate();
-
- //PCK: added this line
- m_ownsMemory = true;
+ copy(0, size(), s);
- m_data = s;
-
- m_capacity = _Count;
+ destroy(0, size());
- }
- }
+ deallocate();
+ //PCK: added this line
+ m_ownsMemory = true;
- class less
- {
- public:
+ m_data = s;
- bool operator() ( const T& a, const T& b ) const
- {
- return ( a < b );
- }
- };
-
+ m_capacity = _Count;
+ }
+ }
- template <typename L>
- void quickSortInternal(const L& CompareFunc,int lo, int hi)
+ class less
+ {
+ public:
+ bool operator()(const T& a, const T& b) const
{
- // lo is the lower index, hi is the upper index
- // of the region of array a that is to be sorted
- int i=lo, j=hi;
- T x=m_data[(lo+hi)/2];
-
- // partition
- do
- {
- while (CompareFunc(m_data[i],x))
- i++;
- while (CompareFunc(x,m_data[j]))
- j--;
- if (i<=j)
- {
- swap(i,j);
- i++; j--;
- }
- } while (i<=j);
-
- // recursion
- if (lo<j)
- quickSortInternal( CompareFunc, lo, j);
- if (i<hi)
- quickSortInternal( CompareFunc, i, hi);
+ return (a < b);
}
+ };
+ template <typename L>
+ void quickSortInternal(const L& CompareFunc, int lo, int hi)
+ {
+ // lo is the lower index, hi is the upper index
+ // of the region of array a that is to be sorted
+ int i = lo, j = hi;
+ T x = m_data[(lo + hi) / 2];
- template <typename L>
- void quickSort(const L& CompareFunc)
+ // partition
+ do
{
- //don't sort 0 or 1 elements
- if (size()>1)
+ while (CompareFunc(m_data[i], x))
+ i++;
+ while (CompareFunc(x, m_data[j]))
+ j--;
+ if (i <= j)
{
- quickSortInternal(CompareFunc,0,size()-1);
+ swap(i, j);
+ i++;
+ j--;
}
+ } while (i <= j);
+
+ // recursion
+ if (lo < j)
+ quickSortInternal(CompareFunc, lo, j);
+ if (i < hi)
+ quickSortInternal(CompareFunc, i, hi);
+ }
+
+ template <typename L>
+ void quickSort(const L& CompareFunc)
+ {
+ //don't sort 0 or 1 elements
+ if (size() > 1)
+ {
+ quickSortInternal(CompareFunc, 0, size() - 1);
}
+ }
+ ///heap sort from http://www.csse.monash.edu.au/~lloyd/tildeAlgDS/Sort/Heap/
+ template <typename L>
+ void downHeap(T* pArr, int k, int n, const L& CompareFunc)
+ {
+ /* PRE: a[k+1..N] is a heap */
+ /* POST: a[k..N] is a heap */
- ///heap sort from http://www.csse.monash.edu.au/~lloyd/tildeAlgDS/Sort/Heap/
- template <typename L>
- void downHeap(T *pArr, int k, int n, const L& CompareFunc)
+ T temp = pArr[k - 1];
+ /* k has child(s) */
+ while (k <= n / 2)
{
- /* PRE: a[k+1..N] is a heap */
- /* POST: a[k..N] is a heap */
-
- T temp = pArr[k - 1];
- /* k has child(s) */
- while (k <= n/2)
+ int child = 2 * k;
+
+ if ((child < n) && CompareFunc(pArr[child - 1], pArr[child]))
+ {
+ child++;
+ }
+ /* pick larger child */
+ if (CompareFunc(temp, pArr[child - 1]))
{
- int child = 2*k;
-
- if ((child < n) && CompareFunc(pArr[child - 1] , pArr[child]))
- {
- child++;
- }
- /* pick larger child */
- if (CompareFunc(temp , pArr[child - 1]))
- {
- /* move child up */
- pArr[k - 1] = pArr[child - 1];
- k = child;
- }
- else
- {
- break;
- }
+ /* move child up */
+ pArr[k - 1] = pArr[child - 1];
+ k = child;
}
- pArr[k - 1] = temp;
- } /*downHeap*/
+ else
+ {
+ break;
+ }
+ }
+ pArr[k - 1] = temp;
+ } /*downHeap*/
- void swap(int index0,int index1)
- {
+ void swap(int index0, int index1)
+ {
#ifdef BT_USE_MEMCPY
- char temp[sizeof(T)];
- memcpy(temp,&m_data[index0],sizeof(T));
- memcpy(&m_data[index0],&m_data[index1],sizeof(T));
- memcpy(&m_data[index1],temp,sizeof(T));
+ char temp[sizeof(T)];
+ memcpy(temp, &m_data[index0], sizeof(T));
+ memcpy(&m_data[index0], &m_data[index1], sizeof(T));
+ memcpy(&m_data[index1], temp, sizeof(T));
#else
- T temp = m_data[index0];
- m_data[index0] = m_data[index1];
- m_data[index1] = temp;
-#endif //BT_USE_PLACEMENT_NEW
-
- }
+ T temp = m_data[index0];
+ m_data[index0] = m_data[index1];
+ m_data[index1] = temp;
+#endif //BT_USE_PLACEMENT_NEW
+ }
template <typename L>
void heapSort(const L& CompareFunc)
@@ -423,49 +406,66 @@ protected:
/* sort a[0..N-1], N.B. 0 to N-1 */
int k;
int n = m_size;
- for (k = n/2; k > 0; k--)
+ for (k = n / 2; k > 0; k--)
{
downHeap(m_data, k, n, CompareFunc);
}
/* a[1..N] is now a heap */
- while ( n>=1 )
+ while (n >= 1)
{
- swap(0,n-1); /* largest of a[0..n-1] */
-
+ swap(0, n - 1); /* largest of a[0..n-1] */
n = n - 1;
/* restore a[1..i-1] heap */
downHeap(m_data, 1, n, CompareFunc);
- }
+ }
}
///non-recursive binary search, assumes sorted array
- int findBinarySearch(const T& key) const
+ int findBinarySearch(const T& key) const
{
int first = 0;
- int last = size()-1;
+ int last = size() - 1;
//assume sorted array
- while (first <= last) {
+ while (first <= last)
+ {
int mid = (first + last) / 2; // compute mid point.
- if (key > m_data[mid])
+ if (key > m_data[mid])
first = mid + 1; // repeat search in top half.
- else if (key < m_data[mid])
- last = mid - 1; // repeat search in bottom half.
+ else if (key < m_data[mid])
+ last = mid - 1; // repeat search in bottom half.
else
- return mid; // found it. return position /////
+ return mid; // found it. return position /////
}
- return size(); // failed to find key
+ return size(); // failed to find key
}
+ int findLinearSearch(const T& key) const
+ {
+ int index = size();
+ int i;
- int findLinearSearch(const T& key) const
+ for (i = 0; i < size(); i++)
+ {
+ if (m_data[i] == key)
+ {
+ index = i;
+ break;
+ }
+ }
+ return index;
+ }
+
+ // If the key is not in the array, return -1 instead of 0,
+ // since 0 also means the first element in the array.
+ int findLinearSearch2(const T& key) const
{
- int index=size();
+ int index = -1;
int i;
- for (i=0;i<size();i++)
+ for (i = 0; i < size(); i++)
{
if (m_data[i] == key)
{
@@ -475,41 +475,23 @@ protected:
}
return index;
}
-
- // If the key is not in the array, return -1 instead of 0,
- // since 0 also means the first element in the array.
- int findLinearSearch2(const T& key) const
- {
- int index=-1;
- int i;
-
- for (i=0;i<size();i++)
- {
- if (m_data[i] == key)
- {
- index = i;
- break;
- }
- }
- return index;
- }
-
- void removeAtIndex(int index)
- {
- if (index<size())
- {
- swap( index,size()-1);
- pop_back();
- }
- }
- void remove(const T& key)
+
+ void removeAtIndex(int index)
+ {
+ if (index < size())
+ {
+ swap(index, size() - 1);
+ pop_back();
+ }
+ }
+ void remove(const T& key)
{
int findIndex = findLinearSearch(key);
- removeAtIndex(findIndex);
+ removeAtIndex(findIndex);
}
//PCK: whole function
- void initializeFromBuffer(void *buffer, int size, int capacity)
+ void initializeFromBuffer(void* buffer, int size, int capacity)
{
clear();
m_ownsMemory = false;
@@ -521,10 +503,9 @@ protected:
void copyFromArray(const btAlignedObjectArray& otherArray)
{
int otherSize = otherArray.size();
- resize (otherSize);
+ resize(otherSize);
otherArray.copy(0, otherSize, m_data);
}
-
};
-#endif //BT_OBJECT_ARRAY__
+#endif //BT_OBJECT_ARRAY__