PCL
AlignedAllocator.h
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7 // pcl/AlignedAllocator.h - Released 2024-06-18T15:48:54Z
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50 // ----------------------------------------------------------------------------
51 
52 #ifndef __PCL_AlignedAllocator_h
53 #define __PCL_AlignedAllocator_h
54 
56 
57 #include <pcl/Defs.h>
58 #include <pcl/Diagnostics.h>
59 
60 #include <pcl/StandardAllocator.h>
61 
62 namespace pcl
63 {
64 
65 // ----------------------------------------------------------------------------
66 
86 class PCL_CLASS AlignedAllocator : public StandardAllocator
87 {
88 public:
89 
102  AlignedAllocator( bool fastGrowth = true, bool canShrink = true )
103  : StandardAllocator( fastGrowth, canShrink )
104  {
105  }
106 
110  AlignedAllocator( const AlignedAllocator& ) = default;
111 
122  void* AllocateBlock( size_type size )
123  {
124  PCL_PRECONDITION( size != 0 )
125  void* p = PCL_ALIGNED_MALLOC( size, 32 );
126  if ( unlikely( p == nullptr ) )
127  throw std::bad_alloc();
128  return PCL_ASSUME_ALIGNED_32( p );
129  }
130 
140  void DeallocateBlock( void* p )
141  {
142  PCL_PRECONDITION( p != nullptr )
143  PCL_ALIGNED_FREE( p );
144  }
145 };
146 
147 } // pcl
148 
149 // ----------------------------------------------------------------------------
150 
155 inline void* operator new( pcl::size_type, void* p, pcl::AlignedAllocator& )
156 {
157  PCL_PRECONDITION( p != nullptr )
158  return p;
159 }
160 
161 #ifdef _MSC_VER
162 #pragma warning( push )
163 #pragma warning( disable: 4100 ) // 'unreferenced formal parameter'
164 
165 inline void operator delete( void* p, void*, pcl::AlignedAllocator& )
166 {
167  PCL_PRECONDITION( p != nullptr )
168 }
169 
170 #pragma warning( pop )
171 #endif // _MSC_VER
172 
173 // ----------------------------------------------------------------------------
174 
175 #endif // __PCL_AlignedAllocator_h
176 
177 // ----------------------------------------------------------------------------
178 // EOF pcl/AlignedAllocator.h - Released 2024-06-18T15:48:54Z
A block allocator class for aligned memory allocation/deallocation.
AlignedAllocator(bool fastGrowth=true, bool canShrink=true)
AlignedAllocator(const AlignedAllocator &)=default
void DeallocateBlock(void *p)
void * AllocateBlock(size_type size)
A block allocator class that uses the standard new and delete operators.
size_t size_type
Definition: Defs.h:609
PCL root namespace.
Definition: AbstractImage.h:77