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TArrayD.h
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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_TArrayD
13 #define ROOT_TArrayD
14 
15 
16 //////////////////////////////////////////////////////////////////////////
17 // //
18 // TArrayD //
19 // //
20 // Array of doubles (64 bits per element). //
21 // //
22 //////////////////////////////////////////////////////////////////////////
23 
24 #ifndef ROOT_TArray
25 #include "TArray.h"
26 #endif
27 
28 
29 class TArrayD : public TArray {
30 
31 public:
32  Double_t *fArray; //[fN] Array of fN doubles
33 
34  TArrayD();
35  TArrayD(Int_t n);
36  TArrayD(Int_t n, const Double_t *array);
37  TArrayD(const TArrayD &array);
38  TArrayD &operator=(const TArrayD &rhs);
39  virtual ~TArrayD();
40 
41  void Adopt(Int_t n, Double_t *array);
42  void AddAt(Double_t c, Int_t i);
43  Double_t At(Int_t i) const ;
44  void Copy(TArrayD &array) const {array.Set(fN,fArray);}
45  const Double_t *GetArray() const { return fArray; }
46  Double_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(Double_t));}
50  void Reset(Double_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 Double_t *array);
53  void SetAt(Double_t v, Int_t i) { AddAt(v, i); }
55  Double_t operator[](Int_t i) const;
56 
57  ClassDef(TArrayD,1) //Array of doubles
58 };
59 
60 
61 #if defined R__TEMPLATE_OVERLOAD_BUG
62 template <>
63 #endif
64 inline TBuffer &operator>>(TBuffer &buf, TArrayD *&obj)
65 {
66  // Read TArrayD object from buffer.
67 
68  obj = (TArrayD *) TArray::ReadArray(buf, TArrayD::Class());
69  return buf;
70 }
71 
72 #if defined R__TEMPLATE_OVERLOAD_BUG
73 template <>
74 #endif
75 inline TBuffer &operator<<(TBuffer &buf, const TArrayD *obj)
76 {
77  // Write a TArrayD object into buffer
78  return buf << (const TArray*)obj;
79 }
80 
81 inline Double_t TArrayD::At(Int_t i) const
82 {
83  if (!BoundsOk("TArrayD::At", i)) return 0;
84  return fArray[i];
85 }
86 
88 {
89  if (!BoundsOk("TArrayD::operator[]", i))
90  i = 0;
91  return fArray[i];
92 }
93 
95 {
96  if (!BoundsOk("TArrayD::operator[]", i)) return 0;
97  return fArray[i];
98 }
99 
100 #endif
TArrayD()
Default TArrayD ctor.
Definition: TArrayD.cxx:26
Abstract array base class.
Definition: TArray.h:33
static long int sum(long int i)
Definition: Factory.cxx:1786
void Reset(Double_t val)
Definition: TArrayD.h:50
void SetAt(Double_t v, Int_t i)
Definition: TArrayD.h:53
Stat_t GetSum() const
Definition: TArrayD.h:48
Double_t * GetArray()
Definition: TArrayD.h:46
return c
void Reset()
Definition: TArrayD.h:49
const Double_t * GetArray() const
Definition: TArrayD.h:45
TArrayD & operator=(const TArrayD &rhs)
TArrayD assignment operator.
Definition: TArrayD.cxx:61
Buffer base class used for serializing objects.
Definition: TBuffer.h:42
int Int_t
Definition: RtypesCore.h:41
const char * Class
Definition: TXMLSetup.cxx:64
#define ClassDef(name, id)
Definition: Rtypes.h:254
Bool_t BoundsOk(const char *where, Int_t at) const
Definition: TArray.h:79
TBuffer & operator>>(TBuffer &buf, TArrayD *&obj)
Definition: TArrayD.h:64
Double_t * fArray
Definition: TArrayD.h:32
Int_t fN
Definition: TArray.h:40
SVector< double, 2 > v
Definition: Dict.h:5
static TArray * ReadArray(TBuffer &b, const TClass *clReq)
Read TArray object from buffer.
Definition: TArray.cxx:41
void Adopt(Int_t n, Double_t *array)
Adopt array arr into TArrayD, i.e.
Definition: TArrayD.cxx:81
Double_t At(Int_t i) const
Definition: TArrayD.h:81
virtual ~TArrayD()
Delete TArrayD object.
Definition: TArrayD.cxx:71
friend TBuffer & operator<<(TBuffer &b, const TArray *obj)
Write TArray or derived object to buffer.
Definition: TArray.cxx:112
double Double_t
Definition: RtypesCore.h:55
double Stat_t
Definition: RtypesCore.h:73
Array of doubles (64 bits per element).
Definition: TArrayD.h:29
void AddAt(Double_t c, Int_t i)
Add double c at position i. Check for out of bounds.
Definition: TArrayD.cxx:93
Double_t GetAt(Int_t i) const
Definition: TArrayD.h:47
void Set(Int_t n)
Set size of this array to n doubles.
Definition: TArrayD.cxx:105
void Copy(TArrayD &array) const
Definition: TArrayD.h:44
const Int_t n
Definition: legend1.C:16
Double_t & operator[](Int_t i)
Definition: TArrayD.h:87