[in] | n | n specifies the dimension of the symmetric tridiagonal matrix |
[in] | K | K specifies the number of non-deflated eigenvalues |
[in,out] | D | On entry, D contains the eigenvalues of the two submatrices to be merged. On exit, D contains the updated eigenvalues sorted into increasing order. |
[in] | beta | beta_bis[0] specifies the rank-1 approximation that was used for splitting the problem into two subproblems. |
[in,out] | Q | On exit, Q contains the updated eigenvectors |
[in] | LDQ | LDQ specifies the leading direction of Q |
[in] | D0 | On entry, D0 conatins the original sorted eigenvalues. |
[in] | Z | Z contains the components of the updating vectors. |
[out] | INDX | The permutation used to sort the contents of DLAMBDA into ascending order |
[in] | start | start specifies the first column index to be considered by this kernel 0 <= start <= end |
[in] | end | end specifies the last column index to be considered by this kernel start <= end <= n |