/usr/include/libMems-1.6/libMems/Matrix.h is in libmems-1.6-dev 1.6.0+4725-4build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 | /*******************************************************************************
* $Id: Matrix.h,v 1.6 2004/02/27 23:08:55 darling Exp $
* This file is copyright 2002-2007 Aaron Darling and authors listed in the AUTHORS file.
* This file is licensed under the GPL.
* Please see the file called COPYING for licensing details.
* **************
******************************************************************************/
#ifndef __Matrix_h__
#define __Matrix_h__
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "libGenome/gnSetup.h"
#include <iostream>
#include <sstream>
#include <vector>
#include <stdexcept>
template<class T>
class Matrix
{
public:
Matrix();
Matrix(unsigned nrows, unsigned ncols);
// Throws a BadSize object if either size is zero
class BadSize : public std::range_error{
public:
BadSize() : std::range_error( "Bad matrix size" ){}
};
// Based on the Law Of The Big Three:
~Matrix();
Matrix(const Matrix<T>& m);
Matrix<T>& operator= (const Matrix<T>& m);
// Access methods to get the (i,j) element:
T& operator() (unsigned i, unsigned j);
const T& operator() (unsigned i, unsigned j) const;
// These throw a BoundsViolation object if i or j is too big
class BoundsViolation : public std::range_error{
public:
BoundsViolation() : std::range_error( "Index out of bounds" ){}
};
// Support for initializing each matrix element to a value
void init( const T& init_val );
void print( std::ostream& os ) const;
void read( std::istream& is );
unsigned rows() const;
unsigned cols() const;
protected:
T* data_;
unsigned nrows_, ncols_;
};
template<class T>
inline Matrix<T>::Matrix()
{
data_ = NULL;
nrows_ = 0;
ncols_ = 0;
}
template<class T>
inline unsigned Matrix<T>::rows() const
{
return nrows_;
}
template<class T>
inline unsigned Matrix<T>::cols() const
{
return ncols_;
}
template<class T>
inline T& Matrix<T>::operator() (unsigned row, unsigned col)
{
if (row >= nrows_ || col >= ncols_)
throw BoundsViolation();
return data_[row*ncols_ + col];
}
template<class T>
inline const T& Matrix<T>::operator() (unsigned row, unsigned col) const
{
if (row >= nrows_ || col >= ncols_) {
std::cout << "debug me ";
throw BoundsViolation();
}
return data_[row*ncols_ + col];
}
template<class T>
inline Matrix<T>::Matrix(unsigned nrows, unsigned ncols)
: data_ (new T[nrows * ncols]),
nrows_ (nrows),
ncols_ (ncols)
{
}
template<class T>
inline Matrix<T>::Matrix(const Matrix<T>& m){
*this = m;
}
template<class T>
inline Matrix<T>& Matrix<T>::operator=( const Matrix<T>& m )
{
if( data_ != NULL )
delete[] data_;
data_ = new T[m.nrows_ * m.ncols_];
nrows_ = m.nrows_;
ncols_ = m.ncols_;
memcpy( data_, m.data_, nrows_ * ncols_ * sizeof( T ) );
return *this;
}
template<class T>
inline Matrix<T>::~Matrix()
{
if( data_ != NULL )
delete[] data_;
}
template<class T>
inline void Matrix<T>::init( const T& init_val )
{
for( unsigned rowI = 0; rowI < nrows_; rowI++ )
for( unsigned colI = 0; colI < ncols_; colI++ )
data_[ rowI * ncols_ + colI ] = init_val;
}
template<class T>
inline void Matrix<T>::print( std::ostream& os ) const{
for( unsigned rowI = 0; rowI < nrows_; rowI++ ){
for( unsigned colI = 0; colI < ncols_; colI++ ){
if( colI > 0 )
os << '\t';
os << data_[ rowI * ncols_ + colI ];
}
os << std::endl;
}
}
template<class T>
inline void Matrix<T>::read( std::istream& is ){
std::vector< std::string > lines;
std::string cur_line;
while( std::getline( is, cur_line ) )
lines.push_back( cur_line );
nrows_ = lines.size();
// count ncols
std::stringstream ss( lines[0] );
ncols_ = 0;
while( std::getline( ss, cur_line, '\t' ) )
ncols_++;
data_ = new T[nrows_ * ncols_];
int valueI = 0;
for( int lineI = 0; lineI < lines.size(); lineI++ ){
ss = std::stringstream( lines[ lineI ] );
std::getline( ss, cur_line, '\t' );
std::stringstream type_stream( cur_line );
type_stream >> data_[ valueI ];
valueI++;
}
}
#endif // __Matrix_h__
|