135   const int row_begin =  in GetCovarianceBlock()  local
141   const int row_size = rows[row_begin + 1] - rows[row_begin];  in GetCovarianceBlock()
142   const int* cols_begin = cols + rows[row_begin];  in GetCovarianceBlock()
171   ConstMatrixRef cov(covariance_matrix_->values() + rows[row_begin],  in GetCovarianceBlock()
344     int row_begin = it->second;  in ComputeCovarianceSparsity()  local
361       rows[row_begin + r] = cursor;  in ComputeCovarianceSparsity()
527     const int row_begin = rows[r];  in ComputeCovarianceValuesUsingSuiteSparseQR()  local
529     if (row_end == row_begin) {  in ComputeCovarianceValuesUsingSuiteSparseQR()
547     for (int idx = row_begin; idx < row_end; ++idx) {  in ComputeCovarianceValuesUsingSuiteSparseQR()
716     const int row_begin = rows[r];  in ComputeCovarianceValuesUsingEigenSparseQR()  local
718     if (row_end == row_begin) {  in ComputeCovarianceValuesUsingEigenSparseQR()
739     for (int idx = row_begin; idx < row_end; ++idx) {  in ComputeCovarianceValuesUsingEigenSparseQR()