1extern int zgees_(char *jobvs, char *sort, L_fp select, integer *n, doublecomplex *a, integer *lda, integer *sdim, doublecomplex *w, doublecomplex *vs, integer *ldvs, doublecomplex *work, integer *lwork, doublereal *rwork, logical *bwork, integer *info, ftnlen jobvs_len, ftnlen sort_len); 2/*:ref: lsame_ 12 4 13 13 124 124 */ 3/*:ref: ilaenv_ 4 9 4 13 13 4 4 4 4 124 124 */ 4/*:ref: zhseqr_ 14 15 13 13 4 4 4 9 4 9 9 4 9 4 4 124 124 */ 5/*:ref: xerbla_ 14 3 13 4 124 */ 6/*:ref: dlamch_ 7 2 13 124 */ 7/*:ref: dlabad_ 14 2 7 7 */ 8/*:ref: zlange_ 7 7 13 4 4 9 4 7 124 */ 9/*:ref: zlascl_ 14 11 13 4 4 7 7 4 4 9 4 4 124 */ 10/*:ref: zgebal_ 14 9 13 4 9 4 4 4 7 4 124 */ 11/*:ref: zgehrd_ 14 9 4 4 4 9 4 9 9 4 4 */ 12/*:ref: zlacpy_ 14 8 13 4 4 9 4 9 4 124 */ 13/*:ref: zunghr_ 14 9 4 4 4 9 4 9 9 4 4 */ 14/*:ref: ztrsen_ 14 17 13 13 12 4 9 4 9 4 9 4 7 7 9 4 4 124 124 */ 15/*:ref: zgebak_ 14 12 13 13 4 4 4 7 4 9 4 4 124 124 */ 16/*:ref: zcopy_ 14 5 4 9 4 9 4 */ 17