Kalman filter for Eurobot
Matrix/Operators.cpp@0:a0285293f6a6, 2012-03-20 (annotated)
- Committer:
- madcowswe
- Date:
- Tue Mar 20 12:43:16 2012 +0000
- Revision:
- 0:a0285293f6a6
Algo done, vars not done
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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madcowswe | 0:a0285293f6a6 | 1 | /** |
madcowswe | 0:a0285293f6a6 | 2 | * @brief Source Code for the Operator of Matrix Class. |
madcowswe | 0:a0285293f6a6 | 3 | * @file Operators.cpp |
madcowswe | 0:a0285293f6a6 | 4 | * @author Ernesto Palacios |
madcowswe | 0:a0285293f6a6 | 5 | * |
madcowswe | 0:a0285293f6a6 | 6 | * Created on September 2011. |
madcowswe | 0:a0285293f6a6 | 7 | * |
madcowswe | 0:a0285293f6a6 | 8 | * Develop Under GPL v3.0 License |
madcowswe | 0:a0285293f6a6 | 9 | * http://www.gnu.org/licenses/gpl-3.0.html |
madcowswe | 0:a0285293f6a6 | 10 | * |
madcowswe | 0:a0285293f6a6 | 11 | */ |
madcowswe | 0:a0285293f6a6 | 12 | #include "mbed.h" |
madcowswe | 0:a0285293f6a6 | 13 | #include "Matrix.h" |
madcowswe | 0:a0285293f6a6 | 14 | |
madcowswe | 0:a0285293f6a6 | 15 | /// Subindex in Matrix left side |
madcowswe | 0:a0285293f6a6 | 16 | float& Matrix::operator ()(int row, int col) |
madcowswe | 0:a0285293f6a6 | 17 | { |
madcowswe | 0:a0285293f6a6 | 18 | --row; --col; |
madcowswe | 0:a0285293f6a6 | 19 | |
madcowswe | 0:a0285293f6a6 | 20 | if( row >= _nRows || col >= _nCols) |
madcowswe | 0:a0285293f6a6 | 21 | { |
madcowswe | 0:a0285293f6a6 | 22 | printf("\n\nError:\nOut of limits @ Matrix::operator()\n"); |
madcowswe | 0:a0285293f6a6 | 23 | }else{ |
madcowswe | 0:a0285293f6a6 | 24 | return _matrix[row][col]; |
madcowswe | 0:a0285293f6a6 | 25 | } |
madcowswe | 0:a0285293f6a6 | 26 | } |
madcowswe | 0:a0285293f6a6 | 27 | |
madcowswe | 0:a0285293f6a6 | 28 | /// Subindex in Matrix right side |
madcowswe | 0:a0285293f6a6 | 29 | float Matrix::operator ()(int row, int col) const |
madcowswe | 0:a0285293f6a6 | 30 | { |
madcowswe | 0:a0285293f6a6 | 31 | --row; --col; |
madcowswe | 0:a0285293f6a6 | 32 | |
madcowswe | 0:a0285293f6a6 | 33 | if( row >= _nRows || col >= _nCols) |
madcowswe | 0:a0285293f6a6 | 34 | { |
madcowswe | 0:a0285293f6a6 | 35 | printf("\n\nError:\nOut of limits @ Matrix::operator()\n"); |
madcowswe | 0:a0285293f6a6 | 36 | }else{ |
madcowswe | 0:a0285293f6a6 | 37 | return _matrix[row][col]; |
madcowswe | 0:a0285293f6a6 | 38 | } |
madcowswe | 0:a0285293f6a6 | 39 | } |
madcowswe | 0:a0285293f6a6 | 40 | |
madcowswe | 0:a0285293f6a6 | 41 | |
madcowswe | 0:a0285293f6a6 | 42 | /// Overloaded Asign Operator. Resizes Matrix |
madcowswe | 0:a0285293f6a6 | 43 | Matrix& Matrix::operator = ( const Matrix& rightM ) |
madcowswe | 0:a0285293f6a6 | 44 | { |
madcowswe | 0:a0285293f6a6 | 45 | if (this != &rightM ) |
madcowswe | 0:a0285293f6a6 | 46 | { |
madcowswe | 0:a0285293f6a6 | 47 | |
madcowswe | 0:a0285293f6a6 | 48 | _nRows = rightM._nRows; |
madcowswe | 0:a0285293f6a6 | 49 | _nCols = rightM._nCols; |
madcowswe | 0:a0285293f6a6 | 50 | |
madcowswe | 0:a0285293f6a6 | 51 | _matrix.resize( rightM._nRows ); |
madcowswe | 0:a0285293f6a6 | 52 | for( int i = 0; i < rightM._nRows; i++ ) |
madcowswe | 0:a0285293f6a6 | 53 | _matrix [i].resize(rightM._nCols); |
madcowswe | 0:a0285293f6a6 | 54 | |
madcowswe | 0:a0285293f6a6 | 55 | for( int i = 0; i < _nRows; i++ ) |
madcowswe | 0:a0285293f6a6 | 56 | for( int j = 0; j < _nCols; j++ ) |
madcowswe | 0:a0285293f6a6 | 57 | _matrix[i][j] = rightM._matrix[i][j]; |
madcowswe | 0:a0285293f6a6 | 58 | } |
madcowswe | 0:a0285293f6a6 | 59 | return *this; |
madcowswe | 0:a0285293f6a6 | 60 | |
madcowswe | 0:a0285293f6a6 | 61 | } |
madcowswe | 0:a0285293f6a6 | 62 | |
madcowswe | 0:a0285293f6a6 | 63 | |
madcowswe | 0:a0285293f6a6 | 64 | const Matrix Matrix::operator -() |
madcowswe | 0:a0285293f6a6 | 65 | { |
madcowswe | 0:a0285293f6a6 | 66 | Matrix result( _nRows, _nCols ); |
madcowswe | 0:a0285293f6a6 | 67 | |
madcowswe | 0:a0285293f6a6 | 68 | for( int i = 0; i < _nRows; i++ ) |
madcowswe | 0:a0285293f6a6 | 69 | for( int j = 0; j < _nCols; j++ ) |
madcowswe | 0:a0285293f6a6 | 70 | result._matrix[i][j] = _matrix[i][j] * -1; |
madcowswe | 0:a0285293f6a6 | 71 | |
madcowswe | 0:a0285293f6a6 | 72 | return result; |
madcowswe | 0:a0285293f6a6 | 73 | } |
madcowswe | 0:a0285293f6a6 | 74 | |
madcowswe | 0:a0285293f6a6 | 75 | |
madcowswe | 0:a0285293f6a6 | 76 | /// Comapre element by element |
madcowswe | 0:a0285293f6a6 | 77 | bool operator == ( const Matrix& leftM, const Matrix& rightM ) |
madcowswe | 0:a0285293f6a6 | 78 | { |
madcowswe | 0:a0285293f6a6 | 79 | if( leftM._nRows == rightM._nRows && leftM._nCols == rightM._nCols ) |
madcowswe | 0:a0285293f6a6 | 80 | { |
madcowswe | 0:a0285293f6a6 | 81 | bool equal = false; |
madcowswe | 0:a0285293f6a6 | 82 | |
madcowswe | 0:a0285293f6a6 | 83 | for( int i = 0; i < leftM._nRows; i++ ) |
madcowswe | 0:a0285293f6a6 | 84 | for( int j = 0; j < leftM._nCols; j++ ) |
madcowswe | 0:a0285293f6a6 | 85 | if( leftM._matrix[i][j] != rightM._matrix[i][j] ) |
madcowswe | 0:a0285293f6a6 | 86 | equal = equal || true; |
madcowswe | 0:a0285293f6a6 | 87 | |
madcowswe | 0:a0285293f6a6 | 88 | return !equal; |
madcowswe | 0:a0285293f6a6 | 89 | |
madcowswe | 0:a0285293f6a6 | 90 | }else{ return false; } |
madcowswe | 0:a0285293f6a6 | 91 | } |
madcowswe | 0:a0285293f6a6 | 92 | |
madcowswe | 0:a0285293f6a6 | 93 | |
madcowswe | 0:a0285293f6a6 | 94 | /// Calls for '==' operator |
madcowswe | 0:a0285293f6a6 | 95 | bool operator != ( const Matrix& leftM, const Matrix& rightM ) |
madcowswe | 0:a0285293f6a6 | 96 | { |
madcowswe | 0:a0285293f6a6 | 97 | return !( leftM == rightM ); |
madcowswe | 0:a0285293f6a6 | 98 | } |
madcowswe | 0:a0285293f6a6 | 99 | |
madcowswe | 0:a0285293f6a6 | 100 | |
madcowswe | 0:a0285293f6a6 | 101 | /// Matrices must be same size. |
madcowswe | 0:a0285293f6a6 | 102 | /// Element by element adition. |
madcowswe | 0:a0285293f6a6 | 103 | Matrix& operator +=( Matrix& leftM, const Matrix& rightM ) |
madcowswe | 0:a0285293f6a6 | 104 | { |
madcowswe | 0:a0285293f6a6 | 105 | if( leftM._nRows == rightM._nRows && leftM._nCols == rightM._nCols ) |
madcowswe | 0:a0285293f6a6 | 106 | { |
madcowswe | 0:a0285293f6a6 | 107 | for( int i = 0; i < leftM._nRows; i++ ) |
madcowswe | 0:a0285293f6a6 | 108 | for( int j = 0; j < leftM._nCols; j++ ) |
madcowswe | 0:a0285293f6a6 | 109 | leftM._matrix[i][j] += rightM._matrix[i][j]; |
madcowswe | 0:a0285293f6a6 | 110 | |
madcowswe | 0:a0285293f6a6 | 111 | return leftM; |
madcowswe | 0:a0285293f6a6 | 112 | |
madcowswe | 0:a0285293f6a6 | 113 | }else{ printf( "\n\nERROR:\nDiferent Dimensions @ += operator\n" ); } |
madcowswe | 0:a0285293f6a6 | 114 | } |
madcowswe | 0:a0285293f6a6 | 115 | |
madcowswe | 0:a0285293f6a6 | 116 | |
madcowswe | 0:a0285293f6a6 | 117 | /// Matrices must be same size. |
madcowswe | 0:a0285293f6a6 | 118 | /// Element by element Substraction |
madcowswe | 0:a0285293f6a6 | 119 | Matrix& operator -=( Matrix& leftM, const Matrix& rightM ) |
madcowswe | 0:a0285293f6a6 | 120 | { |
madcowswe | 0:a0285293f6a6 | 121 | if( leftM._nRows == rightM._nRows && leftM._nCols == rightM._nCols ) |
madcowswe | 0:a0285293f6a6 | 122 | { |
madcowswe | 0:a0285293f6a6 | 123 | for( int i = 0; i < leftM._nRows; i++ ) |
madcowswe | 0:a0285293f6a6 | 124 | for( int j = 0; j < leftM._nCols; j++ ) |
madcowswe | 0:a0285293f6a6 | 125 | leftM._matrix[i][j] -= rightM._matrix[i][j]; |
madcowswe | 0:a0285293f6a6 | 126 | |
madcowswe | 0:a0285293f6a6 | 127 | return leftM; |
madcowswe | 0:a0285293f6a6 | 128 | |
madcowswe | 0:a0285293f6a6 | 129 | }else{ |
madcowswe | 0:a0285293f6a6 | 130 | printf( "\n\nERROR:\nDiferent Dimensions @ -= operator\n" ); |
madcowswe | 0:a0285293f6a6 | 131 | } |
madcowswe | 0:a0285293f6a6 | 132 | } |
madcowswe | 0:a0285293f6a6 | 133 | |
madcowswe | 0:a0285293f6a6 | 134 | |
madcowswe | 0:a0285293f6a6 | 135 | Matrix& operator *=( Matrix& leftM, const Matrix& rightM ) |
madcowswe | 0:a0285293f6a6 | 136 | { |
madcowswe | 0:a0285293f6a6 | 137 | if( leftM._nCols == rightM._nRows ) |
madcowswe | 0:a0285293f6a6 | 138 | { |
madcowswe | 0:a0285293f6a6 | 139 | Matrix resultM ( leftM._nRows, rightM._nCols ); |
madcowswe | 0:a0285293f6a6 | 140 | |
madcowswe | 0:a0285293f6a6 | 141 | for( int i = 0; i < resultM._nRows; i++ ) |
madcowswe | 0:a0285293f6a6 | 142 | for( int j = 0; j < resultM._nCols; j++ ) |
madcowswe | 0:a0285293f6a6 | 143 | for( int m = 0; m < rightM._nRows; m++ ) |
madcowswe | 0:a0285293f6a6 | 144 | resultM._matrix[i][j] += leftM._matrix[i][m] * rightM._matrix[m][j]; |
madcowswe | 0:a0285293f6a6 | 145 | |
madcowswe | 0:a0285293f6a6 | 146 | return resultM; |
madcowswe | 0:a0285293f6a6 | 147 | }else{ |
madcowswe | 0:a0285293f6a6 | 148 | printf( "\n\nERROR:\nDiferent Dimensions @ *= operator\n" ); |
madcowswe | 0:a0285293f6a6 | 149 | } |
madcowswe | 0:a0285293f6a6 | 150 | } |
madcowswe | 0:a0285293f6a6 | 151 | |
madcowswe | 0:a0285293f6a6 | 152 | |
madcowswe | 0:a0285293f6a6 | 153 | Matrix& operator *=( Matrix& leftM, float number ) |
madcowswe | 0:a0285293f6a6 | 154 | { |
madcowswe | 0:a0285293f6a6 | 155 | for( int i = 0; i < leftM._nRows; i++ ) |
madcowswe | 0:a0285293f6a6 | 156 | for( int j = 0; j < leftM._nCols; j++ ) |
madcowswe | 0:a0285293f6a6 | 157 | leftM._matrix[i][j] *= number; |
madcowswe | 0:a0285293f6a6 | 158 | |
madcowswe | 0:a0285293f6a6 | 159 | return leftM; |
madcowswe | 0:a0285293f6a6 | 160 | } |
madcowswe | 0:a0285293f6a6 | 161 | |
madcowswe | 0:a0285293f6a6 | 162 | |
madcowswe | 0:a0285293f6a6 | 163 | /*****************************************************************************/ |
madcowswe | 0:a0285293f6a6 | 164 | |
madcowswe | 0:a0285293f6a6 | 165 | // Overload operators |
madcowswe | 0:a0285293f6a6 | 166 | |
madcowswe | 0:a0285293f6a6 | 167 | |
madcowswe | 0:a0285293f6a6 | 168 | const Matrix operator +=( Matrix& leftM, float number ) |
madcowswe | 0:a0285293f6a6 | 169 | { |
madcowswe | 0:a0285293f6a6 | 170 | for( int i = 0; i < leftM._nRows; i++ ) |
madcowswe | 0:a0285293f6a6 | 171 | for( int j = 0; j < leftM._nCols; j++ ) |
madcowswe | 0:a0285293f6a6 | 172 | leftM._matrix[i][j] += number; |
madcowswe | 0:a0285293f6a6 | 173 | return leftM; |
madcowswe | 0:a0285293f6a6 | 174 | } |
madcowswe | 0:a0285293f6a6 | 175 | |
madcowswe | 0:a0285293f6a6 | 176 | |
madcowswe | 0:a0285293f6a6 | 177 | const Matrix operator -=( Matrix& leftM, float number ) |
madcowswe | 0:a0285293f6a6 | 178 | { |
madcowswe | 0:a0285293f6a6 | 179 | for( int i = 0; i < leftM._nRows; i++ ) |
madcowswe | 0:a0285293f6a6 | 180 | for( int j = 0; j < leftM._nCols; j++ ) |
madcowswe | 0:a0285293f6a6 | 181 | leftM._matrix[i][j] -= number; |
madcowswe | 0:a0285293f6a6 | 182 | return leftM; |
madcowswe | 0:a0285293f6a6 | 183 | } |
madcowswe | 0:a0285293f6a6 | 184 | |
madcowswe | 0:a0285293f6a6 | 185 | |
madcowswe | 0:a0285293f6a6 | 186 | const Matrix operator +( const Matrix& leftM, const Matrix& rightM) |
madcowswe | 0:a0285293f6a6 | 187 | { |
madcowswe | 0:a0285293f6a6 | 188 | if( leftM._nRows == rightM._nRows && leftM._nCols == rightM._nCols ) |
madcowswe | 0:a0285293f6a6 | 189 | { |
madcowswe | 0:a0285293f6a6 | 190 | Matrix result( leftM._nRows, leftM._nCols ); |
madcowswe | 0:a0285293f6a6 | 191 | |
madcowswe | 0:a0285293f6a6 | 192 | for( int i = 0; i < leftM._nRows; i++ ) |
madcowswe | 0:a0285293f6a6 | 193 | for( int j = 0; j < leftM._nCols; j++ ) |
madcowswe | 0:a0285293f6a6 | 194 | result._matrix[i][j] = leftM._matrix[i][j] + rightM._matrix[i][j]; |
madcowswe | 0:a0285293f6a6 | 195 | |
madcowswe | 0:a0285293f6a6 | 196 | return result; |
madcowswe | 0:a0285293f6a6 | 197 | |
madcowswe | 0:a0285293f6a6 | 198 | }else{ |
madcowswe | 0:a0285293f6a6 | 199 | printf( "\n\nERROR\nDiferent Dimensions @ + operator \n" ); |
madcowswe | 0:a0285293f6a6 | 200 | //Matrix error(4); |
madcowswe | 0:a0285293f6a6 | 201 | //error.Clear(); |
madcowswe | 0:a0285293f6a6 | 202 | //return error; |
madcowswe | 0:a0285293f6a6 | 203 | } |
madcowswe | 0:a0285293f6a6 | 204 | } |
madcowswe | 0:a0285293f6a6 | 205 | |
madcowswe | 0:a0285293f6a6 | 206 | |
madcowswe | 0:a0285293f6a6 | 207 | const Matrix operator +( const Matrix& leftM, float number ) |
madcowswe | 0:a0285293f6a6 | 208 | { |
madcowswe | 0:a0285293f6a6 | 209 | Matrix result( leftM._nRows, leftM._nCols ); |
madcowswe | 0:a0285293f6a6 | 210 | |
madcowswe | 0:a0285293f6a6 | 211 | for( int i = 0; i < leftM._nRows; i++ ) |
madcowswe | 0:a0285293f6a6 | 212 | for( int j = 0; j < leftM._nCols; j++ ) |
madcowswe | 0:a0285293f6a6 | 213 | result._matrix[i][j] = leftM._matrix[i][j] + number; |
madcowswe | 0:a0285293f6a6 | 214 | |
madcowswe | 0:a0285293f6a6 | 215 | return result; |
madcowswe | 0:a0285293f6a6 | 216 | } |
madcowswe | 0:a0285293f6a6 | 217 | |
madcowswe | 0:a0285293f6a6 | 218 | |
madcowswe | 0:a0285293f6a6 | 219 | const Matrix operator +( float number, const Matrix& leftM ) |
madcowswe | 0:a0285293f6a6 | 220 | { |
madcowswe | 0:a0285293f6a6 | 221 | return ( leftM + number ); |
madcowswe | 0:a0285293f6a6 | 222 | } |
madcowswe | 0:a0285293f6a6 | 223 | |
madcowswe | 0:a0285293f6a6 | 224 | |
madcowswe | 0:a0285293f6a6 | 225 | const Matrix operator -( const Matrix& leftM, const Matrix& rightM ) |
madcowswe | 0:a0285293f6a6 | 226 | { |
madcowswe | 0:a0285293f6a6 | 227 | if( leftM._nRows == rightM._nRows && leftM._nCols == rightM._nCols ) |
madcowswe | 0:a0285293f6a6 | 228 | { |
madcowswe | 0:a0285293f6a6 | 229 | Matrix result( leftM._nRows, leftM._nCols ); |
madcowswe | 0:a0285293f6a6 | 230 | |
madcowswe | 0:a0285293f6a6 | 231 | for( int i = 0; i < leftM._nRows; i++ ) |
madcowswe | 0:a0285293f6a6 | 232 | for( int j = 0; j < leftM._nCols; j++ ) |
madcowswe | 0:a0285293f6a6 | 233 | result._matrix[i][j] = leftM._matrix[i][j] - rightM._matrix[i][j]; |
madcowswe | 0:a0285293f6a6 | 234 | |
madcowswe | 0:a0285293f6a6 | 235 | return result; |
madcowswe | 0:a0285293f6a6 | 236 | |
madcowswe | 0:a0285293f6a6 | 237 | }else{ |
madcowswe | 0:a0285293f6a6 | 238 | printf( "\n\nERROR:\nDiferent Dimensions @ + operator \n" ); |
madcowswe | 0:a0285293f6a6 | 239 | |
madcowswe | 0:a0285293f6a6 | 240 | } |
madcowswe | 0:a0285293f6a6 | 241 | } |
madcowswe | 0:a0285293f6a6 | 242 | |
madcowswe | 0:a0285293f6a6 | 243 | |
madcowswe | 0:a0285293f6a6 | 244 | const Matrix operator -( const Matrix& leftM, float number ) |
madcowswe | 0:a0285293f6a6 | 245 | { |
madcowswe | 0:a0285293f6a6 | 246 | Matrix result( leftM._nRows, leftM._nCols ); |
madcowswe | 0:a0285293f6a6 | 247 | |
madcowswe | 0:a0285293f6a6 | 248 | for( int i = 0; i < leftM._nRows; i++ ) |
madcowswe | 0:a0285293f6a6 | 249 | for( int j = 0; j < leftM._nCols; j++ ) |
madcowswe | 0:a0285293f6a6 | 250 | result._matrix[i][j] = leftM._matrix[i][j] - number; |
madcowswe | 0:a0285293f6a6 | 251 | |
madcowswe | 0:a0285293f6a6 | 252 | return result; |
madcowswe | 0:a0285293f6a6 | 253 | } |
madcowswe | 0:a0285293f6a6 | 254 | |
madcowswe | 0:a0285293f6a6 | 255 | |
madcowswe | 0:a0285293f6a6 | 256 | const Matrix operator -( float number, const Matrix& leftM ) |
madcowswe | 0:a0285293f6a6 | 257 | { |
madcowswe | 0:a0285293f6a6 | 258 | return ( leftM - number ); |
madcowswe | 0:a0285293f6a6 | 259 | } |
madcowswe | 0:a0285293f6a6 | 260 | |
madcowswe | 0:a0285293f6a6 | 261 | |
madcowswe | 0:a0285293f6a6 | 262 | const Matrix operator *( const Matrix& leftM, const Matrix& rightM ) |
madcowswe | 0:a0285293f6a6 | 263 | { |
madcowswe | 0:a0285293f6a6 | 264 | if( leftM._nCols == rightM._nRows ) |
madcowswe | 0:a0285293f6a6 | 265 | { |
madcowswe | 0:a0285293f6a6 | 266 | Matrix resultM ( leftM._nRows, rightM._nCols ); |
madcowswe | 0:a0285293f6a6 | 267 | resultM.Clear(); |
madcowswe | 0:a0285293f6a6 | 268 | |
madcowswe | 0:a0285293f6a6 | 269 | for( int i = 0; i < resultM._nRows; i++ ) |
madcowswe | 0:a0285293f6a6 | 270 | for( int j = 0; j < resultM._nCols; j++ ) |
madcowswe | 0:a0285293f6a6 | 271 | for( int m = 0; m < rightM._nRows; m++ ) |
madcowswe | 0:a0285293f6a6 | 272 | resultM._matrix[i][j] += leftM._matrix[i][m] * rightM._matrix[m][j]; |
madcowswe | 0:a0285293f6a6 | 273 | |
madcowswe | 0:a0285293f6a6 | 274 | return resultM; |
madcowswe | 0:a0285293f6a6 | 275 | |
madcowswe | 0:a0285293f6a6 | 276 | } else { |
madcowswe | 0:a0285293f6a6 | 277 | |
madcowswe | 0:a0285293f6a6 | 278 | printf("\n\nERROR:\nDiferent Dimension matrices @ * operator"); |
madcowswe | 0:a0285293f6a6 | 279 | } |
madcowswe | 0:a0285293f6a6 | 280 | |
madcowswe | 0:a0285293f6a6 | 281 | } |
madcowswe | 0:a0285293f6a6 | 282 | |
madcowswe | 0:a0285293f6a6 | 283 | |
madcowswe | 0:a0285293f6a6 | 284 | const Matrix operator *( const Matrix& leftM, float number ) |
madcowswe | 0:a0285293f6a6 | 285 | { |
madcowswe | 0:a0285293f6a6 | 286 | Matrix result( leftM._nRows, leftM._nCols ); |
madcowswe | 0:a0285293f6a6 | 287 | |
madcowswe | 0:a0285293f6a6 | 288 | for( int i = 0; i < leftM._nRows; i++ ) |
madcowswe | 0:a0285293f6a6 | 289 | for( int j = 0; j < leftM._nCols; j++ ) |
madcowswe | 0:a0285293f6a6 | 290 | result._matrix[i][j] = leftM._matrix[i][j] * number; |
madcowswe | 0:a0285293f6a6 | 291 | |
madcowswe | 0:a0285293f6a6 | 292 | return result; |
madcowswe | 0:a0285293f6a6 | 293 | } |
madcowswe | 0:a0285293f6a6 | 294 | |
madcowswe | 0:a0285293f6a6 | 295 | const Matrix operator *( float number, const Matrix& leftM ) |
madcowswe | 0:a0285293f6a6 | 296 | { |
madcowswe | 0:a0285293f6a6 | 297 | return ( leftM * number ); |
madcowswe | 0:a0285293f6a6 | 298 | } |
madcowswe | 0:a0285293f6a6 | 299 | |
madcowswe | 0:a0285293f6a6 | 300 | |
madcowswe | 0:a0285293f6a6 | 301 | Matrix& operator <<( Matrix& leftM, float number ) |
madcowswe | 0:a0285293f6a6 | 302 | { |
madcowswe | 0:a0285293f6a6 | 303 | if( leftM._pCol == leftM._nCols ) //end of Row |
madcowswe | 0:a0285293f6a6 | 304 | { |
madcowswe | 0:a0285293f6a6 | 305 | leftM._pCol = 0; |
madcowswe | 0:a0285293f6a6 | 306 | leftM._pRow++; |
madcowswe | 0:a0285293f6a6 | 307 | } |
madcowswe | 0:a0285293f6a6 | 308 | if( leftM._pRow > leftM._nRows ) |
madcowswe | 0:a0285293f6a6 | 309 | { |
madcowswe | 0:a0285293f6a6 | 310 | printf( "\n\nERROR:\nAssignment out of limits @ << operator" ); |
madcowswe | 0:a0285293f6a6 | 311 | return leftM; |
madcowswe | 0:a0285293f6a6 | 312 | |
madcowswe | 0:a0285293f6a6 | 313 | }else{ |
madcowswe | 0:a0285293f6a6 | 314 | |
madcowswe | 0:a0285293f6a6 | 315 | leftM._matrix[ leftM._pRow ][ leftM._pCol ] = number; |
madcowswe | 0:a0285293f6a6 | 316 | leftM._pCol++; |
madcowswe | 0:a0285293f6a6 | 317 | |
madcowswe | 0:a0285293f6a6 | 318 | return leftM; |
madcowswe | 0:a0285293f6a6 | 319 | } |
madcowswe | 0:a0285293f6a6 | 320 | } |