1    	// @(#)root/cont:$Id$
2    	// Author: Rene Brun   06/03/95
3    	
4    	/*************************************************************************
5    	 * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers.               *
6    	 * All rights reserved.                                                  *
7    	 *                                                                       *
8    	 * For the licensing terms see $ROOTSYS/LICENSE.                         *
9    	 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
10   	 *************************************************************************/
11   	
12   	#ifndef ROOT_TArrayI
13   	#define ROOT_TArrayI
14   	
15   	
16   	//////////////////////////////////////////////////////////////////////////
17   	//                                                                      //
18   	// TArrayI                                                              //
19   	//                                                                      //
20   	// Array of integers (32 bits per element).                             //
21   	//                                                                      //
22   	//////////////////////////////////////////////////////////////////////////
23   	
24   	#ifndef ROOT_TArray
25   	#include "TArray.h"
26   	#endif
27   	
28   	
29   	class TArrayI : public TArray {
30   	
31   	public:
32   	   Int_t    *fArray;       //[fN] Array of fN 32 bit integers
33   	
34   	   TArrayI();
35   	   TArrayI(Int_t n);
36   	   TArrayI(Int_t n, const Int_t *array);
37   	   TArrayI(const TArrayI &array);
38   	   TArrayI    &operator=(const TArrayI &rhs);
39   	   virtual    ~TArrayI();
40   	
41   	   void         Adopt(Int_t n, Int_t *array);
42   	   void         AddAt(Int_t c, Int_t i);
43   	   Int_t        At(Int_t i) const ;
44   	   void         Copy(TArrayI &array) const {array.Set(fN,fArray);}
45   	   const Int_t *GetArray() const { return fArray; }
46   	   Int_t       *GetArray() { return fArray; }
47   	   Double_t     GetAt(Int_t i) const { return At(i); }
48   	   Stat_t       GetSum() const {Stat_t sum=0; for (Int_t i=0;i<fN;i++) sum+=fArray[i]; return sum;}
49   	   void         Reset()           {memset(fArray, 0, fN*sizeof(Int_t));}
50   	   void         Reset(Int_t val)  {for (Int_t i=0;i<fN;i++) fArray[i] = val;}
51   	   void         Set(Int_t n);
52   	   void         Set(Int_t n, const Int_t *array);
53   	   void         SetAt(Double_t v, Int_t i) { AddAt((Int_t)v, i); }
54   	   Int_t       &operator[](Int_t i);
55   	   Int_t        operator[](Int_t i) const;
56   	
57   	   ClassDef(TArrayI,1)  //Array of ints
58   	};
59   	
60   	
61   	#if defined R__TEMPLATE_OVERLOAD_BUG
62   	template <>
63   	#endif
64   	inline TBuffer &operator>>(TBuffer &buf, TArrayI *&obj)
65   	{
66   	   // Read TArrayI object from buffer.
67   	
68   	   obj = (TArrayI *) TArray::ReadArray(buf, TArrayI::Class());
69   	   return buf;
70   	}
71   	
72   	#if defined R__TEMPLATE_OVERLOAD_BUG
73   	template <>
74   	#endif
75   	inline TBuffer &operator<<(TBuffer &buf, const TArrayI *obj)
76   	{
77   	   // Write a TArrayI object into buffer
78   	   return buf << (const TArray*)obj;
79   	}
80   	
81   	inline Int_t TArrayI::At(Int_t i) const
82   	{
83   	   if (!BoundsOk("TArrayI::At", i)) return 0;
84   	   return fArray[i];
85   	}
86   	
87   	inline Int_t &TArrayI::operator[](Int_t i)
88   	{
89   	   if (!BoundsOk("TArrayI::operator[]", i))
90   	      i = 0;
91   	   return fArray[i];
92   	}
93   	
94   	inline Int_t TArrayI::operator[](Int_t i) const
95   	{
96   	   if (!BoundsOk("TArrayI::operator[]", i)) return 0;
97   	   return fArray[i];
98   	}
99   	
100  	#endif
101