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TVectorT.h
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1// @(#)root/matrix:$Id$
2// Authors: Fons Rademakers, Eddy Offermann Nov 2003
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_TVectorT
13#define ROOT_TVectorT
14
15//////////////////////////////////////////////////////////////////////////
16// //
17// TVectorT //
18// //
19// Template class of Vectors in the linear algebra package //
20// //
21//////////////////////////////////////////////////////////////////////////
22
23#include "TMatrixT.h"
24#include "TMatrixTSym.h"
25#include "TMatrixTSparse.h"
26
27template<class Element> class TVectorT : public TObject {
28
29protected:
30 Int_t fNrows{0}; // number of rows
31 Int_t fRowLwb{0}; // lower bound of the row index
32 Element *fElements{nullptr}; //[fNrows] elements themselves
33
34 enum {kSizeMax = 5}; // size data container on stack, see New_m(),Delete_m()
35 enum {kWorkMax = 100}; // size of work array's in several routines
36
37 Element fDataStack[kSizeMax]; //! data container
38 Bool_t fIsOwner{kTRUE}; //!default kTRUE, when Use array kFALSE
39
40 Element* New_m (Int_t size);
41 void Delete_m(Int_t size,Element*&);
42 Int_t Memcpy_m(Element *newp,const Element *oldp,Int_t copySize,
43 Int_t newSize,Int_t oldSize);
44
45 void Allocate(Int_t nrows,Int_t row_lwb = 0,Int_t init = 0);
46
48 kStatus = BIT(14) // set if vector object is valid
49 };
50
51public:
52
53 TVectorT() : fNrows(0), fRowLwb(0), fElements(nullptr), fDataStack (), fIsOwner(kTRUE) { }
54 explicit TVectorT(Int_t n);
55 TVectorT(Int_t lwb,Int_t upb);
56 TVectorT(Int_t n,const Element *elements);
57 TVectorT(Int_t lwb,Int_t upb,const Element *elements);
58 TVectorT(const TVectorT <Element> &another);
59 TVectorT(const TMatrixTRow_const <Element> &mr);
61 TVectorT(const TMatrixTDiag_const <Element> &md);
62 template <class Element2> TVectorT(const TVectorT<Element2> &another)
63 {
64 R__ASSERT(another.IsValid());
65 Allocate(another.GetUpb()-another.GetLwb()+1,another.GetLwb());
66 *this = another;
67 }
68#ifndef __CINT__
69 TVectorT(Int_t lwb,Int_t upb,Double_t iv1, ...);
70#endif
71 ~TVectorT() override { TVectorT::Clear(); }
72
73 inline Int_t GetLwb () const { return fRowLwb; }
74 inline Int_t GetUpb () const { return fNrows+fRowLwb-1; }
75 inline Int_t GetNrows () const { return fNrows; }
76 inline Int_t GetNoElements() const { return fNrows; }
77
78 inline Element *GetMatrixArray () { return fElements; }
79 inline const Element *GetMatrixArray () const { return fElements; }
80
81 inline void Invalidate () { SetBit(kStatus); }
82 inline void MakeValid () { ResetBit(kStatus); }
83 inline Bool_t IsValid () const { return !TestBit(kStatus); }
84 inline Bool_t IsOwner () const { return fIsOwner; }
85 inline void SetElements(const Element *elements) { R__ASSERT(IsValid());
86 memcpy(fElements,elements,fNrows*sizeof(Element)); }
87 inline TVectorT<Element> &Shift (Int_t row_shift) { fRowLwb += row_shift; return *this; }
89 inline TVectorT<Element> &ResizeTo (Int_t n) { return ResizeTo(0,n-1); }
90 inline TVectorT<Element> &ResizeTo (const TVectorT<Element> &v) { return ResizeTo(v.GetLwb(),v.GetUpb()); }
91
92 TVectorT<Element> &Use (Int_t lwb,Int_t upb,Element *data);
93 const TVectorT<Element> &Use (Int_t lwb,Int_t upb,const Element *data) const
94 { return (const TVectorT<Element>&)(const_cast<TVectorT<Element> *>(this))->Use(lwb,upb,const_cast<Element *>(data)); }
96 const TVectorT<Element> &Use (Int_t n,const Element *data) const ;
98 const TVectorT<Element> &Use (const TVectorT<Element> &v) const ;
99
101 TVectorT<Element> GetSub (Int_t row_lwb,Int_t row_upb,Option_t *option="S") const;
102 TVectorT<Element> &SetSub (Int_t row_lwb,const TVectorT<Element> &source);
103
110
111 Element Norm1 () const;
112 Element Norm2Sqr() const;
113 Element NormInf () const;
114 Int_t NonZeros() const;
115 Element Sum () const;
116 Element Min () const;
117 Element Max () const;
118
119 inline const Element &operator()(Int_t index) const;
120 inline Element &operator()(Int_t index);
121 inline const Element &operator[](Int_t index) const { return (*this)(index); }
122 inline Element &operator[](Int_t index) { return (*this)(index); }
123
124 TVectorT<Element> &operator= (const TVectorT <Element> &source);
125 TVectorT<Element> &operator= (const TMatrixTRow_const <Element> &mr);
126 TVectorT<Element> &operator= (const TMatrixTColumn_const <Element> &mc);
127 TVectorT<Element> &operator= (const TMatrixTDiag_const <Element> &md);
128 TVectorT<Element> &operator= (const TMatrixTSparseRow_const <Element> &md);
130 template <class Element2> TVectorT<Element> &operator= (const TVectorT<Element2> &source)
131 {
132 if (!AreCompatible(*this,source)) {
133 Error("operator=(const TVectorT2 &)","vectors not compatible");
134 return *this;
135 }
136
137 TObject::operator=(source);
138 const Element2 * const ps = source.GetMatrixArray();
139 Element * const pt = GetMatrixArray();
140 for (Int_t i = 0; i < this->fNrows; i++)
141 pt[i] = ps[i];
142 return *this;
143 }
144
145 TVectorT<Element> &operator= (Element val);
146 TVectorT<Element> &operator+=(Element val);
147 TVectorT<Element> &operator-=(Element val);
148 TVectorT<Element> &operator*=(Element val);
149
150 TVectorT<Element> &operator+=(const TVectorT <Element> &source);
151 TVectorT<Element> &operator-=(const TVectorT <Element> &source);
152 TVectorT<Element> &operator*=(const TMatrixT <Element> &a);
153 TVectorT<Element> &operator*=(const TMatrixTSym <Element> &a);
155
156 Bool_t operator==(Element val) const;
157 Bool_t operator!=(Element val) const;
158 Bool_t operator< (Element val) const;
159 Bool_t operator<=(Element val) const;
160 Bool_t operator> (Element val) const;
161 Bool_t operator>=(Element val) const;
162
164 Bool_t SomePositive (const TVectorT<Element> &select);
165 void AddSomeConstant (Element val,const TVectorT<Element> &select);
166
167 void Randomize (Element alpha,Element beta,Double_t &seed);
168
169 TVectorT<Element> &Apply(const TElementActionT <Element> &action);
171
172 void Add(const TVectorT<Element> &v);
173 void Add(const TVectorT<Element> &v1, const TVectorT<Element> &v2);
174 void Clear(Option_t * /*option*/ = "") override
175 {
176 if (fIsOwner)
178 else
179 fElements = nullptr;
180 fNrows = 0;
181 }
182 void Draw(Option_t *option = "") override; // *MENU*
183 void Print(Option_t *option = "") const override; // *MENU*
184
185 ClassDefOverride(TVectorT,4) // Template of Vector class
186};
187
188#ifndef __CINT__
189// When building with -fmodules, it instantiates all pending instantiations,
190// instead of delaying them until the end of the translation unit.
191// We 'got away with' probably because the use and the definition of the
192// explicit specialization do not occur in the same TU.
193//
194// In case we are building with -fmodules, we need to forward declare the
195// specialization in order to compile the dictionary G__Matrix.cxx.
197#endif // __CINT__
198
199template<class Element> inline TVectorT<Element> &TVectorT<Element>::Use (Int_t n,Element *data) { return Use(0,n-1,data); }
200template<class Element> inline const TVectorT<Element> &TVectorT<Element>::Use (Int_t n,const Element *data) const { return Use(0,n-1,data); }
201template<class Element> inline TVectorT<Element> &TVectorT<Element>::Use (TVectorT &v)
202 {
203 R__ASSERT(v.IsValid());
204 return Use(v.GetLwb(),v.GetUpb(),v.GetMatrixArray());
205 }
206template<class Element> inline const TVectorT<Element> &TVectorT<Element>::Use (const TVectorT &v) const
207 {
208 R__ASSERT(v.IsValid());
209 return Use(v.GetLwb(),v.GetUpb(),v.GetMatrixArray());
210 }
211template<class Element> inline TVectorT<Element> TVectorT<Element>::GetSub (Int_t row_lwb,Int_t row_upb,Option_t *option) const
212 {
213 TVectorT tmp;
214 this->GetSub(row_lwb,row_upb,tmp,option);
215 return tmp;
216 }
217
218template<class Element> inline const Element &TVectorT<Element>::operator()(Int_t ind) const
219{
220 // Access a vector element.
221
222 R__ASSERT(IsValid());
223 const Int_t aind = ind-fRowLwb;
224 if (aind >= fNrows || aind < 0) {
225 Error("operator()","Request index(%d) outside vector range of %d - %d",ind,fRowLwb,fRowLwb+fNrows);
227 }
228
229 return fElements[aind];
230}
231template<class Element> inline Element &TVectorT<Element>::operator()(Int_t ind)
232{
233 // Access a vector element.
234
235 R__ASSERT(IsValid());
236 const Int_t aind = ind-fRowLwb;
237 if (aind >= fNrows || aind < 0) {
238 Error("operator()","Request index(%d) outside vector range of %d - %d",ind,fRowLwb,fRowLwb+fNrows);
240 }
241
242 return fElements[aind];
243}
244inline namespace TMatrixTAutoloadOps {
245
246template<class Element> Bool_t operator== (const TVectorT <Element> &source1,const TVectorT <Element> &source2);
247template<class Element> TVectorT<Element> operator+ (const TVectorT <Element> &source1,const TVectorT <Element> &source2);
248template<class Element> TVectorT<Element> operator- (const TVectorT <Element> &source1,const TVectorT <Element> &source2);
249template<class Element> Element operator* (const TVectorT <Element> &source1,const TVectorT <Element> &source2);
250template<class Element> TVectorT<Element> operator* (const TMatrixT <Element> &a, const TVectorT <Element> &source);
251template<class Element> TVectorT<Element> operator* (const TMatrixTSym <Element> &a, const TVectorT <Element> &source);
252template<class Element> TVectorT<Element> operator* (const TMatrixTSparse<Element> &a, const TVectorT <Element> &source);
253template<class Element> TVectorT<Element> operator* ( Element val, const TVectorT <Element> &source);
254template<class Element>
255inline
256TVectorT<Element> operator* (const TVectorT <Element> &source, Element val) { return val * source; }
257
258template<class Element> Element Dot (const TVectorT <Element> &source1,const TVectorT <Element> &source2);
259template <class Element1,class Element2>
260 TMatrixT<Element1> OuterProduct(const TVectorT <Element1> &v1, const TVectorT <Element2> &v2);
261template <class Element1,class Element2,class Element3>
262 TMatrixT<Element1> &OuterProduct( TMatrixT <Element1> &target, const TVectorT <Element2> &v1, const TVectorT <Element3> &v2);
263template <class Element1,class Element2,class Element3>
264 Element1 Mult (const TVectorT <Element1> &v1, const TMatrixT <Element2> &m, const TVectorT <Element3> &v2);
265
266template<class Element> TVectorT<Element> &Add ( TVectorT <Element> &target, Element scalar, const TVectorT <Element> &source);
267template<class Element> TVectorT<Element> &Add ( TVectorT <Element> &target, Element scalar, const TMatrixT <Element> &a,
268 const TVectorT<Element> &source);
269template<class Element> TVectorT<Element> &Add ( TVectorT <Element> &target, Element scalar, const TMatrixTSym <Element> &a,
270 const TVectorT<Element> &source);
271template<class Element> TVectorT<Element> &Add ( TVectorT <Element> &target, Element scalar, const TMatrixTSparse<Element> &a,
272 const TVectorT<Element> &source);
273template<class Element> TVectorT<Element> &AddElemMult ( TVectorT <Element> &target, Element scalar, const TVectorT <Element> &source1,
274 const TVectorT <Element> &source2);
275template<class Element> TVectorT<Element> &AddElemMult ( TVectorT <Element> &target, Element scalar, const TVectorT <Element> &source1,
276 const TVectorT <Element> &source2,const TVectorT <Element> &select);
277template<class Element> TVectorT<Element> &AddElemDiv ( TVectorT <Element> &target, Element scalar, const TVectorT <Element> &source1,
278 const TVectorT <Element> &source2);
279template<class Element> TVectorT<Element> &AddElemDiv ( TVectorT <Element> &target, Element scalar, const TVectorT <Element> &source1,
280 const TVectorT <Element> &source2,const TVectorT <Element> &select);
281template<class Element> TVectorT<Element> &ElementMult ( TVectorT <Element> &target, const TVectorT <Element> &source);
282template<class Element> TVectorT<Element> &ElementMult ( TVectorT <Element> &target, const TVectorT <Element> &source, const TVectorT <Element> &select);
283template<class Element> TVectorT<Element> &ElementDiv ( TVectorT <Element> &target, const TVectorT <Element> &source);
284template<class Element> TVectorT<Element> &ElementDiv ( TVectorT <Element> &target, const TVectorT <Element> &source, const TVectorT <Element> &select);
285
286template<class Element1,class Element2> Bool_t AreCompatible(const TVectorT<Element1> &v1,const TVectorT<Element2> &v2,Int_t verbose=0);
287// Check matrix and vector for compatibility in multiply: M * v and v * M
288template<class Element1,class Element2> Bool_t AreCompatible(const TMatrixT<Element1> &m, const TVectorT<Element2> &v, Int_t verbose=0);
289template<class Element1,class Element2> Bool_t AreCompatible(const TVectorT<Element1> &v, const TMatrixT<Element2> &m, Int_t verbose=0);
290
291template<class Element> void Compare (const TVectorT <Element> &source1,const TVectorT <Element> &source2);
292template<class Element> Bool_t VerifyVectorValue (const TVectorT <Element> &m, Element val,Int_t verbose, Element maxDevAllow);
293template<class Element> Bool_t VerifyVectorValue (const TVectorT <Element> &m, Element val,Int_t verbose)
294 { return VerifyVectorValue(m,val,verbose,Element(0.0)); }
295template<class Element> Bool_t VerifyVectorValue (const TVectorT <Element> &m, Element val)
296 { return VerifyVectorValue(m,val,1,Element(0.0)); }
297template<class Element> Bool_t VerifyVectorIdentity (const TVectorT <Element> &m1,const TVectorT <Element> &m2, Int_t verbose, Element maxDevAllow);
298template<class Element> Bool_t VerifyVectorIdentity (const TVectorT <Element> &m1,const TVectorT <Element> &m2, Int_t verbose)
299 { return VerifyVectorIdentity(m1,m2,verbose,Element(0.0)); }
300template<class Element> Bool_t VerifyVectorIdentity (const TVectorT <Element> &m1,const TVectorT <Element> &m2)
301 { return VerifyVectorIdentity(m1,m2,1,Element(0.0)); }
302} // inline namespace TMatrixTAutoloadOps
303#endif
#define a(i)
Definition RSha256.hxx:99
size_t size(const MatrixT &matrix)
retrieve the size of a square matrix
bool Bool_t
Definition RtypesCore.h:63
int Int_t
Definition RtypesCore.h:45
double Double_t
Definition RtypesCore.h:59
constexpr Bool_t kTRUE
Definition RtypesCore.h:100
const char Option_t
Definition RtypesCore.h:66
#define BIT(n)
Definition Rtypes.h:85
#define ClassDefOverride(name, id)
Definition Rtypes.h:341
#define R__ASSERT(e)
Definition TError.h:118
void Error(const char *location, const char *msgfmt,...)
Use this function in case an error occurred.
Definition TError.cxx:185
Option_t Option_t option
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t Int_t Int_t UInt_t UInt_t Rectangle_t Int_t Int_t Window_t TString Int_t GCValues_t GetPrimarySelectionOwner GetDisplay GetScreen GetColormap GetNativeEvent const char const char dpyName wid window const char font_name cursor keysym reg const char only_if_exist regb h Point_t winding char text const char depth char const char Int_t count const char ColorStruct_t color const char Pixmap_t Pixmap_t PictureAttributes_t attr const char char ret_data h unsigned char height h Atom_t Int_t ULong_t ULong_t unsigned char prop_list Atom_t Atom_t target
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void data
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t index
TClass instances represent classes, structs and namespaces in the ROOT type system.
Definition TClass.h:81
static Element & NaNValue()
TMatrixTSparse.
TMatrixT.
Definition TMatrixT.h:39
Mother of all ROOT objects.
Definition TObject.h:41
TObject & operator=(const TObject &rhs)
TObject assignment operator.
Definition TObject.h:298
R__ALWAYS_INLINE Bool_t TestBit(UInt_t f) const
Definition TObject.h:201
void SetBit(UInt_t f, Bool_t set)
Set or unset the user status bits as specified in f.
Definition TObject.cxx:780
virtual void Error(const char *method, const char *msgfmt,...) const
Issue error message.
Definition TObject.cxx:976
void ResetBit(UInt_t f)
Definition TObject.h:200
TVectorT.
Definition TVectorT.h:27
TVectorT< Element > & Zero()
Set vector elements to zero.
Definition TVectorT.cxx:453
Bool_t operator>=(Element val) const
Are all vector elements >= val?
Element * New_m(Int_t size)
default kTRUE, when Use array kFALSE
Definition TVectorT.cxx:67
void MakeValid()
Definition TVectorT.h:82
TVectorT< Element > & Apply(const TElementActionT< Element > &action)
Apply action to each element of the vector.
void SetElements(const Element *elements)
Definition TVectorT.h:85
void Allocate(Int_t nrows, Int_t row_lwb=0, Int_t init=0)
Allocate new vector.
Definition TVectorT.cxx:151
TVectorT< Element > & Sqr()
Square each element of the vector.
Definition TVectorT.cxx:482
Element & operator[](Int_t index)
Definition TVectorT.h:122
Int_t fNrows
Definition TVectorT.h:30
Element Min() const
return minimum vector element value
Definition TVectorT.cxx:654
Int_t Memcpy_m(Element *newp, const Element *oldp, Int_t copySize, Int_t newSize, Int_t oldSize)
Copy copySize doubles from *oldp to *newp .
Definition TVectorT.cxx:124
Element & operator()(Int_t index)
Definition TVectorT.h:231
TVectorT< Element > & Use(TVectorT< Element > &v)
Definition TVectorT.h:201
Element Norm1() const
Compute the 1-norm of the vector SUM{ |v[i]| }.
Definition TVectorT.cxx:567
void Delete_m(Int_t size, Element *&)
Delete data pointer m, if it was assigned on the heap.
Definition TVectorT.cxx:53
TVectorT(const TVectorT< Element2 > &another)
Definition TVectorT.h:62
Element NormInf() const
Compute the infinity-norm of the vector MAX{ |v[i]| }.
Definition TVectorT.cxx:603
Element Sum() const
Compute sum of elements.
Definition TVectorT.cxx:637
void AddSomeConstant(Element val, const TVectorT< Element > &select)
Add to vector elements as selected through array select the value val.
Bool_t operator!=(Element val) const
Are all vector elements not equal to val?
void Invalidate()
Definition TVectorT.h:81
Int_t fRowLwb
Definition TVectorT.h:31
Bool_t IsOwner() const
Definition TVectorT.h:84
Bool_t MatchesNonZeroPattern(const TVectorT< Element > &select)
Check if vector elements as selected through array select are non-zero.
TVectorT< Element > & GetSub(Int_t row_lwb, Int_t row_upb, TVectorT< Element > &target, Option_t *option="S") const
Get subvector [row_lwb..row_upb]; The indexing range of the returned vector depends on the argument o...
Definition TVectorT.cxx:373
TVectorT< Element > & Shift(Int_t row_shift)
Definition TVectorT.h:87
static TClass * Class()
TVectorT< Element > & Abs()
Take an absolute value of a vector, i.e. apply Abs() to each element.
Definition TVectorT.cxx:464
Bool_t operator==(Element val) const
Are all vector elements equal to val?
Bool_t operator>(Element val) const
Are all vector elements > val?
TVectorT< Element > & ResizeTo(Int_t n)
Definition TVectorT.h:89
TVectorT< Element > & ResizeTo(Int_t lwb, Int_t upb)
Resize the vector to [lwb:upb] .
Definition TVectorT.cxx:294
TVectorT< Element > & operator=(const TVectorT< Element > &source)
Notice that this assignment does NOT change the ownership : if the storage space was adopted,...
Definition TVectorT.cxx:680
Int_t GetNrows() const
Definition TVectorT.h:75
@ kSizeMax
Definition TVectorT.h:34
Int_t GetUpb() const
Definition TVectorT.h:74
TVectorT< Element > & SetSub(Int_t row_lwb, const TVectorT< Element > &source)
Insert vector source starting at [row_lwb], thereby overwriting the part [row_lwb....
Definition TVectorT.cxx:422
void Randomize(Element alpha, Element beta, Double_t &seed)
randomize vector elements value
TVectorT< Element > & Use(Int_t n, Element *data)
Definition TVectorT.h:199
Bool_t IsValid() const
Definition TVectorT.h:83
void Add(const TVectorT< Element > &v)
Add vector v to this vector.
Definition TVectorT.cxx:84
const Element & operator()(Int_t index) const
Definition TVectorT.h:218
TVectorT< Element > & operator+=(Element val)
Add val to every element of the vector.
Definition TVectorT.cxx:863
TVectorT< Element > & Use(Int_t lwb, Int_t upb, Element *data)
Use the array data to fill the vector lwb..upb].
Definition TVectorT.cxx:349
const TVectorT< Element > & Use(Int_t lwb, Int_t upb, const Element *data) const
Definition TVectorT.h:93
void Clear(Option_t *="") override
Definition TVectorT.h:174
TVectorT< Element > & SelectNonZeros(const TVectorT< Element > &select)
Keep only element as selected through array select non-zero.
Definition TVectorT.cxx:544
@ kWorkMax
Definition TVectorT.h:35
Element Max() const
return maximum vector element value
Definition TVectorT.cxx:666
Bool_t operator<(Element val) const
Are all vector elements < val?
Bool_t operator<=(Element val) const
Are all vector elements <= val?
TVectorT< Element > & operator*=(Element val)
Multiply every element of the vector with val.
Definition TVectorT.cxx:895
const TVectorT< Element > & Use(const TVectorT< Element > &v) const
Definition TVectorT.h:206
Bool_t SomePositive(const TVectorT< Element > &select)
Check if vector elements as selected through array select are all positive.
Element * fElements
Definition TVectorT.h:32
const Element & operator[](Int_t index) const
Definition TVectorT.h:121
Int_t NonZeros() const
Compute the number of elements != 0.0.
Definition TVectorT.cxx:620
Bool_t fIsOwner
data container
Definition TVectorT.h:38
TVectorT< Element > & ResizeTo(const TVectorT< Element > &v)
Definition TVectorT.h:90
Int_t GetLwb() const
Definition TVectorT.h:73
EVectorStatusBits
Definition TVectorT.h:47
@ kStatus
Definition TVectorT.h:48
const TVectorT< Element > & Use(Int_t n, const Element *data) const
Definition TVectorT.h:200
TVectorT< Element > & Invert()
v[i] = 1/v[i]
Definition TVectorT.cxx:522
TVectorT()
Definition TVectorT.h:53
Int_t GetNoElements() const
Definition TVectorT.h:76
~TVectorT() override
Definition TVectorT.h:71
Element Norm2Sqr() const
Compute the square of the 2-norm SUM{ v[i]^2 }.
Definition TVectorT.cxx:584
void Print(Option_t *option="") const override
Print the vector as a list of elements.
Element * GetMatrixArray()
Definition TVectorT.h:78
const Element * GetMatrixArray() const
Definition TVectorT.h:79
TVectorT< Element > & operator-=(Element val)
Subtract val from every element of the vector.
Definition TVectorT.cxx:879
Element fDataStack[kSizeMax]
Definition TVectorT.h:37
TVectorT< Element > GetSub(Int_t row_lwb, Int_t row_upb, Option_t *option="S") const
Definition TVectorT.h:211
TVectorT< Element > & Sqrt()
Take square root of all elements.
Definition TVectorT.cxx:500
TPaveText * pt
const Int_t n
Definition legend1.C:16
Bool_t VerifyVectorValue(const TVectorT< Element > &m, Element val, Int_t verbose, Element maxDevAllow)
Validate that all elements of vector have value val within maxDevAllow .
TVectorT< Element > & AddElemDiv(TVectorT< Element > &target, Element scalar, const TVectorT< Element > &source1, const TVectorT< Element > &source2)
Modify addition: target += scalar * ElementDiv(source1,source2) .
TMatrixT< Element > operator+(const TMatrixT< Element > &source1, const TMatrixT< Element > &source2)
operation this = source1+source2
void Compare(const TMatrixTBase< Element > &m1, const TMatrixTBase< Element > &m2)
Compare two matrices and print out the result of the comparison.
TMatrixT< Element > & ElementMult(TMatrixT< Element > &target, const TMatrixT< Element > &source)
Multiply target by the source, element-by-element.
TVectorT< Element > & AddElemMult(TVectorT< Element > &target, Element scalar, const TVectorT< Element > &source1, const TVectorT< Element > &source2)
Modify addition: target += scalar * ElementMult(source1,source2) .
TMatrixT< Element > & Add(TMatrixT< Element > &target, Element scalar, const TMatrixT< Element > &source)
Modify addition: target += scalar * source.
TMatrixT< Element1 > OuterProduct(const TVectorT< Element1 > &v1, const TVectorT< Element2 > &v2)
Return the matrix M = v1 * v2'.
Bool_t VerifyVectorIdentity(const TVectorT< Element > &m1, const TVectorT< Element > &m2, Int_t verbose, Element maxDevAllow)
Verify that elements of the two vectors are equal within maxDevAllow .
TMatrixT< Element > & ElementDiv(TMatrixT< Element > &target, const TMatrixT< Element > &source)
Divide target by the source, element-by-element.
Element1 Mult(const TVectorT< Element1 > &v1, const TMatrixT< Element2 > &m, const TVectorT< Element3 > &v2)
Perform v1 * M * v2, a scalar result.
TMatrixT< Element > operator-(const TMatrixT< Element > &source1, const TMatrixT< Element > &source2)
operation this = source1-source2
Bool_t AreCompatible(const TVectorT< Element1 > &v1, const TVectorT< Element2 > &v2, Int_t verbose=0)
Check if v1 and v2 are both valid and have the same shape.
Bool_t operator==(const TMatrixTBase< Element > &m1, const TMatrixTBase< Element > &m2)
Check to see if two matrices are identical.
TMatrixT< Element > operator*(Element val, const TMatrixT< Element > &source)
operation this = val*source
Bool_t AreCompatible(const TMatrixTBase< Element1 > &m1, const TMatrixTBase< Element2 > &m2, Int_t verbose=0)
Check that matrice sm1 and m2 areboth valid and have identical shapes .
#define Dot(u, v)
Definition normal.c:49
th1 Draw()
TMarker m
Definition textangle.C:8