ViSP  2.8.0
vpRowVector.h
1 /****************************************************************************
2  *
3  * $Id: vpRowVector.h 4056 2013-01-05 13:04:42Z fspindle $
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5  * This file is part of the ViSP software.
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11  * See the file LICENSE.txt at the root directory of this source
12  * distribution for additional information about the GNU GPL.
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14  * For using ViSP with software that can not be combined with the GNU
15  * GPL, please contact INRIA about acquiring a ViSP Professional
16  * Edition License.
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20  * This software was developed at:
21  * INRIA Rennes - Bretagne Atlantique
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30  * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
31  * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
32  *
33  *
34  * Description:
35  * Operation on row vectors.
36  *
37  * Authors:
38  * Eric Marchand
39  *
40  *****************************************************************************/
41 
42 
43 
44 
45 #ifndef vpRowVector_H
46 #define vpRowVector_H
47 
48 #include <visp/vpMatrix.h>
49 
50 class vpMatrix;
51 
73 class VISP_EXPORT vpRowVector : public vpMatrix
74 {
75  friend class vpMatrix;
76 
77 
78 protected:
80  vpRowVector(vpMatrix &m, unsigned int i);
81 
82 public:
86  vpRowVector(unsigned int nn) : vpMatrix(1,nn){};
88  vpRowVector(const vpRowVector &v);
89 
91  inline void resize(unsigned int i) { vpMatrix::resize(1, i) ; }
93  inline double &operator [](unsigned int n) { return *(data+n); }
95  inline const double &operator [](unsigned int n) const { return *(data+n) ; }
96 
100  vpRowVector & operator=(const vpMatrix &m) ;
101 
103  double operator*(const vpColVector &x) const;
105  vpRowVector operator*(const vpMatrix &A) const;
106 
108  vpRowVector& operator=(const double x);
109 
111  void reshape(vpMatrix & m,const unsigned int &nrows,const unsigned int &ncols);
112  vpMatrix reshape(const unsigned int &nrows,const unsigned int &ncols);
113 
115  vpColVector t() const;
116 
118  vpRowVector &normalize() ;
120  vpRowVector &normalize(vpRowVector &x) const ;
121 
127  inline unsigned int size() const
128  {
129  return getCols();
130  }
131 
132 };
133 
134 
135 #endif
136 
137 
138 /*
139  * Local variables:
140  * c-basic-offset: 2
141  * End:
142  */
Definition of the vpMatrix class.
Definition: vpMatrix.h:96
void resize(const unsigned int nrows, const unsigned int ncols, const bool nullify=true)
Definition: vpMatrix.cpp:174
Definition of the row vector class.
Definition: vpRowVector.h:73
vpRowVector(unsigned int nn)
constructor of vector of size n
Definition: vpRowVector.h:86
unsigned int size() const
Definition: vpRowVector.h:127
double * data
address of the first element of the data array
Definition: vpMatrix.h:116
vpMatrix & operator=(const vpMatrix &B)
Copy operator. Allow operation such as A = B.
Definition: vpMatrix.cpp:316
vpMatrix t() const
Definition: vpMatrix.cpp:1176
void resize(unsigned int i)
Set the size of the Row vector.
Definition: vpRowVector.h:91
Class that provides a data structure for the column vectors as well as a set of operations on these v...
Definition: vpColVector.h:72
double * operator[](unsigned int n)
write elements Aij (usage : A[i][j] = x )
Definition: vpMatrix.h:248
unsigned int getCols() const
Return the number of columns of the matrix.
Definition: vpMatrix.h:159
vpMatrix operator*(const vpMatrix &B) const
Definition: vpMatrix.cpp:436
vpRowVector()
basic constructor
Definition: vpRowVector.h:84