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0001 // Created on: 2014-03-31 0002 // Created by: Kirill Gavrilov 0003 // Copyright (c) 2014 OPEN CASCADE SAS 0004 // 0005 // This file is part of Open CASCADE Technology software library. 0006 // 0007 // This library is free software; you can redistribute it and/or modify it under 0008 // the terms of the GNU Lesser General Public License version 2.1 as published 0009 // by the Free Software Foundation, with special exception defined in the file 0010 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT 0011 // distribution for complete text of the license and disclaimer of any warranty. 0012 // 0013 // Alternatively, this file may be used under the terms of Open CASCADE 0014 // commercial license or contractual agreement. 0015 0016 #ifndef NCollection_AlignedAllocator_HeaderFile 0017 #define NCollection_AlignedAllocator_HeaderFile 0018 0019 #include <NCollection_BaseAllocator.hxx> 0020 #include <Standard.hxx> 0021 0022 //! NCollection allocator with managed memory alignment capabilities. 0023 class NCollection_AlignedAllocator : public NCollection_BaseAllocator 0024 { 0025 public: 0026 //! Constructor. The alignment should be specified explicitly: 0027 //! 16 bytes for SSE instructions 0028 //! 32 bytes for AVX instructions 0029 Standard_EXPORT NCollection_AlignedAllocator(const size_t theAlignment); 0030 0031 //! Allocate memory with given size. Returns NULL on failure. 0032 Standard_EXPORT virtual void* Allocate(const size_t theSize) Standard_OVERRIDE; 0033 0034 //! Allocate memory with given size. Returns NULL on failure. 0035 void* AllocateOptimal(const size_t theSize) Standard_OVERRIDE { return Allocate(theSize); } 0036 0037 //! Free a previously allocated memory. 0038 Standard_EXPORT virtual void Free(void* thePtr) Standard_OVERRIDE; 0039 0040 private: 0041 NCollection_AlignedAllocator(const NCollection_AlignedAllocator&); 0042 NCollection_AlignedAllocator& operator=(const NCollection_AlignedAllocator&); 0043 0044 protected: 0045 size_t myAlignment; //!< alignment in bytes 0046 0047 public: 0048 DEFINE_STANDARD_RTTIEXT(NCollection_AlignedAllocator, NCollection_BaseAllocator) 0049 }; 0050 0051 // Definition of HANDLE object using Standard_DefineHandle.hxx 0052 DEFINE_STANDARD_HANDLE(NCollection_AlignedAllocator, NCollection_BaseAllocator) 0053 0054 #endif // NCollection_AlignedAllocator_HeaderFile
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