| 179 |  | Real ad1, ad2, ad3; | 
| 180 |  | t = this->data_[0][0] + this->data_[1][1] + this->data_[2][2] + 1.0; | 
| 181 |  |  | 
| 182 | < | if( t > 0.0 ){ | 
| 182 | > | if( t > NumericConstant::epsilon ){ | 
| 183 |  |  | 
| 184 |  | s = 0.5 / sqrt( t ); | 
| 185 |  | q[0] = 0.25 / s; | 
| 316 |  |  | 
| 317 |  | m /= det; | 
| 318 |  | return m; | 
| 319 | + | } | 
| 320 | + |  | 
| 321 | + | SquareMatrix3<Real> transpose() const{ | 
| 322 | + | SquareMatrix3<Real> result; | 
| 323 | + |  | 
| 324 | + | for (unsigned int i = 0; i < 3; i++) | 
| 325 | + | for (unsigned int j = 0; j < 3; j++) | 
| 326 | + | result(j, i) = this->data_[i][j]; | 
| 327 | + |  | 
| 328 | + | return result; | 
| 329 |  | } | 
| 330 |  | /** | 
| 331 |  | * Extract the eigenvalues and eigenvectors from a 3x3 matrix. |