G4Allocator< Type > Class Template Reference

#include <G4Allocator.hh>

Classes
struct	rebind

Public Types
typedef Type	value_type
typedef size_t	size_type
typedef ptrdiff_t	difference_type
typedef Type *	pointer
typedef const Type *	const_pointer
typedef Type &	reference
typedef const Type &	const_reference

Public Member Functions
	G4Allocator () throw ()
	~G4Allocator () throw ()
Type *	MallocSingle ()
void	FreeSingle (Type *anElement)
void	ResetStorage ()
size_t	GetAllocatedSize () const
int	GetNoPages () const
size_t	GetPageSize () const
void	IncreasePageSize (unsigned int sz)
template<class U >
	G4Allocator (const G4Allocator< U > &right) throw ()
pointer	address (reference r) const
const_pointer	address (const_reference r) const
pointer	allocate (size_type n, void *=0)
void	deallocate (pointer p, size_type n)
void	construct (pointer p, const Type &val)
void	destroy (pointer p)
size_type	max_size () const throw ()

Public Attributes
G4AllocatorPool	mem

Detailed Description

template<class Type>
class G4Allocator< Type >

Definition at line 53 of file G4Allocator.hh.

Member Typedef Documentation

const_pointer

template<class Type >

typedef const Type* G4Allocator< Type >::const_pointer

Definition at line 93 of file G4Allocator.hh.

const_reference

template<class Type >

typedef const Type& G4Allocator< Type >::const_reference

Definition at line 95 of file G4Allocator.hh.

difference_type

template<class Type >

typedef ptrdiff_t G4Allocator< Type >::difference_type

Definition at line 91 of file G4Allocator.hh.

pointer

template<class Type >

typedef Type* G4Allocator< Type >::pointer

Definition at line 92 of file G4Allocator.hh.

reference

template<class Type >

typedef Type& G4Allocator< Type >::reference

Definition at line 94 of file G4Allocator.hh.

size_type

template<class Type >

typedef size_t G4Allocator< Type >::size_type

Definition at line 90 of file G4Allocator.hh.

value_type

template<class Type >

typedef Type G4Allocator< Type >::value_type

Definition at line 89 of file G4Allocator.hh.

Constructor & Destructor Documentation

G4Allocator() [1/2]

template<class Type >

G4Allocator< Type >::G4Allocator
throw	(
	)

Definition at line 160 of file G4Allocator.hh.

  : mem(sizeof(Type))
{
}

~G4Allocator()

template<class Type >

G4Allocator< Type >::~G4Allocator
throw	(
	)

Definition at line 170 of file G4Allocator.hh.

{
}

G4Allocator() [2/2]

template<class Type >

template<class U >

G4Allocator< Type >::G4Allocator ( const G4Allocator< U > &  right ) throw ( )

inline

Definition at line 97 of file G4Allocator.hh.

      : mem(right.mem) {}

Member Function Documentation

address() [1/2]

template<class Type >

const_pointer G4Allocator< Type >::address ( const_reference  r ) const

inline

Definition at line 102 of file G4Allocator.hh.

{ return &r; }

address() [2/2]

template<class Type >

pointer G4Allocator< Type >::address ( reference  r ) const

inline

Definition at line 101 of file G4Allocator.hh.

{ return &r; }

allocate()

template<class Type >

pointer G4Allocator< Type >::allocate ( size_type  n, void *  = 0  )

inline

Definition at line 105 of file G4Allocator.hh.

    {
      // Allocates space for n elements of type Type, but does not initialise
      //
      Type* mem_alloc = 0;
      if (n == 1)
        mem_alloc = MallocSingle();
      else
        mem_alloc = static_cast<Type*>(::operator new(n*sizeof(Type)));
      return mem_alloc;
    }

construct()

template<class Type >

void G4Allocator< Type >::construct ( pointer  p, const Type &  val  )

inline

Definition at line 127 of file G4Allocator.hh.

{ new((void*)p) Type(val); }

deallocate()

template<class Type >

void G4Allocator< Type >::deallocate ( pointer  p, size_type  n  )

inline

Definition at line 116 of file G4Allocator.hh.

    {
      // Deallocates n elements of type Type, but doesn't destroy
      //
      if (n == 1)
        FreeSingle(p);
      else
        ::operator delete((void*)p);
      return;
    }

destroy()

template<class Type >

void G4Allocator< Type >::destroy ( pointer  p )

inline

Definition at line 129 of file G4Allocator.hh.

{ p->~Type(); }

FreeSingle()

template<class Type >

void G4Allocator< Type >::FreeSingle ( Type *  anElement )

inline

Definition at line 189 of file G4Allocator.hh.

{
  mem.Free(anElement);
  return;
}

Referenced by G4Allocator< Type >::deallocate().

GetAllocatedSize()

template<class Type >

size_t G4Allocator< Type >::GetAllocatedSize

inline

Definition at line 213 of file G4Allocator.hh.

{
  return mem.Size();
}

GetNoPages()

template<class Type >

int G4Allocator< Type >::GetNoPages

inline

Definition at line 223 of file G4Allocator.hh.

{
  return mem.GetNoPages();
}

GetPageSize()

template<class Type >

size_t G4Allocator< Type >::GetPageSize

inline

Definition at line 233 of file G4Allocator.hh.

{
  return mem.GetPageSize();
}

IncreasePageSize()

template<class Type >

void G4Allocator< Type >::IncreasePageSize ( unsigned int  sz )

inline

Definition at line 243 of file G4Allocator.hh.

{
  ResetStorage();
  mem.GrowPageSize(sz); 
}

MallocSingle()

template<class Type >

Type * G4Allocator< Type >::MallocSingle

inline

Definition at line 179 of file G4Allocator.hh.

{
  return static_cast<Type*>(mem.Alloc());
}

Referenced by G4Allocator< Type >::allocate().

max_size()

template<class Type >

size_type G4Allocator< Type >::max_size ( ) const throw ( )

inline

Definition at line 132 of file G4Allocator.hh.

    {
      // Returns the maximum number of elements that can be allocated
      //
      return 2147483647/sizeof(Type);
    }

ResetStorage()

template<class Type >

void G4Allocator< Type >::ResetStorage

inline

Definition at line 200 of file G4Allocator.hh.

{
  // Clear all allocated storage and return it to the free store
  //
  mem.Reset();
  return;
}

Member Data Documentation

mem

template<class Type >

G4AllocatorPool G4Allocator< Type >::mem

Definition at line 143 of file G4Allocator.hh.

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The documentation for this class was generated from the following file:

• G4Allocator.hh