;;; Compiled by f2cl version 2.0 beta Date: 2006/12/21 03:42:11 
;;; Using Lisp CMU Common Lisp CVS Head 2006-12-02 00:15:46 (19D)
;;; 
;;; Options: ((:prune-labels nil) (:auto-save t) (:relaxed-array-decls t)
;;;           (:coerce-assigns :as-needed) (:array-type ':array)
;;;           (:array-slicing t) (:declare-common nil)
;;;           (:float-format double-float))

(in-package :lapack)


(let* ((zero 0.0) (one 1.0))
  (declare (type (double-float 0.0 0.0) zero)
           (type (double-float 1.0 1.0) one))
  (defun dtrevc (side howmny select n t$ ldt vl ldvl vr ldvr mm m work info)
    (declare (type (array double-float (*)) work vr vl t$)
             (type (f2cl-lib:integer4) info m mm ldvr ldvl ldt n)
             (type (array f2cl-lib:logical (*)) select)
             (type (simple-array character (*)) howmny side))
    (f2cl-lib:with-multi-array-data
        ((side character side-%data% side-%offset%)
         (howmny character howmny-%data% howmny-%offset%)
         (select f2cl-lib:logical select-%data% select-%offset%)
         (t$ double-float t$-%data% t$-%offset%)
         (vl double-float vl-%data% vl-%offset%)
         (vr double-float vr-%data% vr-%offset%)
         (work double-float work-%data% work-%offset%))
      (prog ((x (make-array 4 :element-type 'double-float)) (beta 0.0)
             (bignum 0.0) (emax 0.0) (ovfl 0.0) (rec 0.0) (remax 0.0)
             (scale 0.0) (smin 0.0) (smlnum 0.0) (ulp 0.0) (unfl 0.0)
             (vcrit 0.0) (vmax 0.0) (wi 0.0) (wr 0.0) (xnorm 0.0) (i 0)
             (ierr 0) (ii 0) (ip 0) (is 0) (j 0) (j1 0) (j2 0) (jnxt 0) (k 0)
             (ki 0) (n2 0) (allv nil) (bothv nil) (leftv nil) (over nil)
             (pair nil) (rightv nil) (somev nil) (sqrt$ 0.0f0))
        (declare (type (single-float) sqrt$)
                 (type (array double-float (4)) x)
                 (type (double-float) beta bignum emax ovfl rec remax scale
                                      smin smlnum ulp unfl vcrit vmax wi wr
                                      xnorm)
                 (type (f2cl-lib:integer4) i ierr ii ip is j j1 j2 jnxt k ki
                                           n2)
                 (type f2cl-lib:logical allv bothv leftv over pair rightv
                                        somev))
        (setf bothv (lsame side "B"))
        (setf rightv (or (lsame side "R") bothv))
        (setf leftv (or (lsame side "L") bothv))
        (setf allv (lsame howmny "A"))
        (setf over (lsame howmny "B"))
        (setf somev (lsame howmny "S"))
        (setf info 0)
        (cond
          ((and (not rightv) (not leftv))
           (setf info -1))
          ((and (not allv) (not over) (not somev))
           (setf info -2))
          ((< n 0)
           (setf info -4))
          ((< ldt (max (the f2cl-lib:integer4 1) (the f2cl-lib:integer4 n)))
           (setf info -6))
          ((or (< ldvl 1) (and leftv (< ldvl n)))
           (setf info -8))
          ((or (< ldvr 1) (and rightv (< ldvr n)))
           (setf info -10))
          (t
           (cond
             (somev
              (setf m 0)
              (setf pair f2cl-lib:%false%)
              (f2cl-lib:fdo (j 1 (f2cl-lib:int-add j 1))
                            ((> j n) nil)
                (tagbody
                  (cond
                    (pair
                     (setf pair f2cl-lib:%false%)
                     (setf (f2cl-lib:fref select-%data%
                                          (j)
                                          ((1 *))
                                          select-%offset%)
                             f2cl-lib:%false%))
                    (t
                     (cond
                       ((< j n)
                        (cond
                          ((=
                            (f2cl-lib:fref t$
                                           ((f2cl-lib:int-add j 1) j)
                                           ((1 ldt) (1 *)))
                            zero)
                           (if
                            (f2cl-lib:fref select-%data%
                                           (j)
                                           ((1 *))
                                           select-%offset%)
                            (setf m (f2cl-lib:int-add m 1))))
                          (t
                           (setf pair f2cl-lib:%true%)
                           (cond
                             ((or (f2cl-lib:fref select (j) ((1 *)))
                                  (f2cl-lib:fref select
                                                 ((f2cl-lib:int-add j 1))
                                                 ((1 *))))
                              (setf (f2cl-lib:fref select-%data%
                                                   (j)
                                                   ((1 *))
                                                   select-%offset%)
                                      f2cl-lib:%true%)
                              (setf m (f2cl-lib:int-add m 2)))))))
                       (t
                        (if
                         (f2cl-lib:fref select-%data%
                                        (n)
                                        ((1 *))
                                        select-%offset%)
                         (setf m (f2cl-lib:int-add m 1)))))))
                 label10)))
             (t
              (setf m n)))
           (cond
             ((< mm m)
              (setf info -11)))))
        (cond
          ((/= info 0)
           (xerbla "DTREVC" (f2cl-lib:int-sub info))
           (go end_label)))
        (if (= n 0) (go end_label))
        (setf unfl (dlamch "Safe minimum"))
        (setf ovfl (/ one unfl))
        (multiple-value-bind (var-0 var-1)
            (dlabad unfl ovfl)
          (declare (ignore))
          (setf unfl var-0)
          (setf ovfl var-1))
        (setf ulp (dlamch "Precision"))
        (setf smlnum (* unfl (/ n ulp)))
        (setf bignum (/ (- one ulp) smlnum))
        (setf (f2cl-lib:fref work-%data% (1) ((1 *)) work-%offset%) zero)
        (f2cl-lib:fdo (j 2 (f2cl-lib:int-add j 1))
                      ((> j n) nil)
          (tagbody
            (setf (f2cl-lib:fref work-%data% (j) ((1 *)) work-%offset%) zero)
            (f2cl-lib:fdo (i 1 (f2cl-lib:int-add i 1))
                          ((> i (f2cl-lib:int-add j (f2cl-lib:int-sub 1))) nil)
              (tagbody
                (setf (f2cl-lib:fref work-%data% (j) ((1 *)) work-%offset%)
                        (+
                         (f2cl-lib:fref work-%data% (j) ((1 *)) work-%offset%)
                         (abs
                          (f2cl-lib:fref t$-%data%
                                         (i j)
                                         ((1 ldt) (1 *))
                                         t$-%offset%))))
               label20))
           label30))
        (setf n2 (f2cl-lib:int-mul 2 n))
        (cond
          (rightv
           (setf ip 0)
           (setf is m)
           (f2cl-lib:fdo (ki n (f2cl-lib:int-add ki (f2cl-lib:int-sub 1)))
                         ((> ki 1) nil)
             (tagbody
               (if (= ip 1) (go label130))
               (if (= ki 1) (go label40))
               (if
                (=
                 (f2cl-lib:fref t$-%data%
                                (ki (f2cl-lib:int-sub ki 1))
                                ((1 ldt) (1 *))
                                t$-%offset%)
                 zero)
                (go label40))
               (setf ip -1)
              label40
               (cond
                 (somev
                  (cond
                    ((= ip 0)
                     (if
                      (not
                       (f2cl-lib:fref select-%data%
                                      (ki)
                                      ((1 *))
                                      select-%offset%))
                      (go label130)))
                    (t
                     (if
                      (not
                       (f2cl-lib:fref select-%data%
                                      ((f2cl-lib:int-sub ki 1))
                                      ((1 *))
                                      select-%offset%))
                      (go label130))))))
               (setf wr
                       (f2cl-lib:fref t$-%data%
                                      (ki ki)
                                      ((1 ldt) (1 *))
                                      t$-%offset%))
               (setf wi zero)
               (if (/= ip 0)
                   (setf wi
                           (*
                            (f2cl-lib:fsqrt
                             (abs
                              (f2cl-lib:fref t$-%data%
                                             (ki (f2cl-lib:int-sub ki 1))
                                             ((1 ldt) (1 *))
                                             t$-%offset%)))
                            (f2cl-lib:fsqrt
                             (abs
                              (f2cl-lib:fref t$-%data%
                                             ((f2cl-lib:int-sub ki 1) ki)
                                             ((1 ldt) (1 *))
                                             t$-%offset%))))))
               (setf smin (max (* ulp (+ (abs wr) (abs wi))) smlnum))
               (cond
                 ((= ip 0)
                  (setf (f2cl-lib:fref work-%data%
                                       ((f2cl-lib:int-add ki n))
                                       ((1 *))
                                       work-%offset%)
                          one)
                  (f2cl-lib:fdo (k 1 (f2cl-lib:int-add k 1))
                                ((> k
                                    (f2cl-lib:int-add ki (f2cl-lib:int-sub 1)))
                                 nil)
                    (tagbody
                      (setf (f2cl-lib:fref work-%data%
                                           ((f2cl-lib:int-add k n))
                                           ((1 *))
                                           work-%offset%)
                              (-
                               (f2cl-lib:fref t$-%data%
                                              (k ki)
                                              ((1 ldt) (1 *))
                                              t$-%offset%)))
                     label50))
                  (setf jnxt (f2cl-lib:int-sub ki 1))
                  (f2cl-lib:fdo (j (f2cl-lib:int-add ki (f2cl-lib:int-sub 1))
                                 (f2cl-lib:int-add j (f2cl-lib:int-sub 1)))
                                ((> j 1) nil)
                    (tagbody
                      (if (> j jnxt) (go label60))
                      (setf j1 j)
                      (setf j2 j)
                      (setf jnxt (f2cl-lib:int-sub j 1))
                      (cond
                        ((> j 1)
                         (cond
                           ((/=
                             (f2cl-lib:fref t$
                                            (j
                                             (f2cl-lib:int-add j
                                                               (f2cl-lib:int-sub
                                                                1)))
                                            ((1 ldt) (1 *)))
                             zero)
                            (setf j1 (f2cl-lib:int-sub j 1))
                            (setf jnxt (f2cl-lib:int-sub j 2))))))
                      (cond
                        ((= j1 j2)
                         (multiple-value-bind
                               (var-0 var-1 var-2 var-3 var-4 var-5 var-6 var-7
                                var-8 var-9 var-10 var-11 var-12 var-13 var-14
                                var-15 var-16 var-17)
                             (dlaln2 f2cl-lib:%false% 1 1 smin one
                              (f2cl-lib:array-slice t$
                                                    double-float
                                                    (j j)
                                                    ((1 ldt) (1 *)))
                              ldt one one
                              (f2cl-lib:array-slice work
                                                    double-float
                                                    ((+ j n))
                                                    ((1 *)))
                              n wr zero x 2 scale xnorm ierr)
                           (declare (ignore var-0 var-1 var-2 var-3 var-4 var-5
                                            var-6 var-7 var-8 var-9 var-10
                                            var-11 var-12 var-13 var-14))
                           (setf scale var-15)
                           (setf xnorm var-16)
                           (setf ierr var-17))
                         (cond
                           ((> xnorm one)
                            (cond
                              ((> (f2cl-lib:fref work (j) ((1 *)))
                                  (f2cl-lib:f2cl/ bignum xnorm))
                               (setf (f2cl-lib:fref x (1 1) ((1 2) (1 2)))
                                       (/ (f2cl-lib:fref x (1 1) ((1 2) (1 2)))
                                          xnorm))
                               (setf scale (/ scale xnorm))))))
                         (if (/= scale one)
                             (dscal ki scale
                              (f2cl-lib:array-slice work
                                                    double-float
                                                    ((+ 1 n))
                                                    ((1 *)))
                              1))
                         (setf (f2cl-lib:fref work-%data%
                                              ((f2cl-lib:int-add j n))
                                              ((1 *))
                                              work-%offset%)
                                 (f2cl-lib:fref x (1 1) ((1 2) (1 2))))
                         (daxpy (f2cl-lib:int-sub j 1)
                          (- (f2cl-lib:fref x (1 1) ((1 2) (1 2))))
                          (f2cl-lib:array-slice t$
                                                double-float
                                                (1 j)
                                                ((1 ldt) (1 *)))
                          1
                          (f2cl-lib:array-slice work
                                                double-float
                                                ((+ 1 n))
                                                ((1 *)))
                          1))
                        (t
                         (multiple-value-bind
                               (var-0 var-1 var-2 var-3 var-4 var-5 var-6 var-7
                                var-8 var-9 var-10 var-11 var-12 var-13 var-14
                                var-15 var-16 var-17)
                             (dlaln2 f2cl-lib:%false% 2 1 smin one
                              (f2cl-lib:array-slice t$
                                                    double-float
                                                    ((+ j (f2cl-lib:int-sub 1))
                                                     (f2cl-lib:int-sub j 1))
                                                    ((1 ldt) (1 *)))
                              ldt one one
                              (f2cl-lib:array-slice work
                                                    double-float
                                                    ((+ j
                                                        (f2cl-lib:int-sub 1)
                                                        n))
                                                    ((1 *)))
                              n wr zero x 2 scale xnorm ierr)
                           (declare (ignore var-0 var-1 var-2 var-3 var-4 var-5
                                            var-6 var-7 var-8 var-9 var-10
                                            var-11 var-12 var-13 var-14))
                           (setf scale var-15)
                           (setf xnorm var-16)
                           (setf ierr var-17))
                         (cond
                           ((> xnorm one)
                            (setf beta
                                    (max
                                     (f2cl-lib:fref work-%data%
                                                    ((f2cl-lib:int-sub j 1))
                                                    ((1 *))
                                                    work-%offset%)
                                     (f2cl-lib:fref work-%data%
                                                    (j)
                                                    ((1 *))
                                                    work-%offset%)))
                            (cond
                              ((> beta (f2cl-lib:f2cl/ bignum xnorm))
                               (setf (f2cl-lib:fref x (1 1) ((1 2) (1 2)))
                                       (/ (f2cl-lib:fref x (1 1) ((1 2) (1 2)))
                                          xnorm))
                               (setf (f2cl-lib:fref x (2 1) ((1 2) (1 2)))
                                       (/ (f2cl-lib:fref x (2 1) ((1 2) (1 2)))
                                          xnorm))
                               (setf scale (/ scale xnorm))))))
                         (if (/= scale one)
                             (dscal ki scale
                              (f2cl-lib:array-slice work
                                                    double-float
                                                    ((+ 1 n))
                                                    ((1 *)))
                              1))
                         (setf (f2cl-lib:fref work-%data%
                                              ((f2cl-lib:int-add
                                                (f2cl-lib:int-sub j 1)
                                                n))
                                              ((1 *))
                                              work-%offset%)
                                 (f2cl-lib:fref x (1 1) ((1 2) (1 2))))
                         (setf (f2cl-lib:fref work-%data%
                                              ((f2cl-lib:int-add j n))
                                              ((1 *))
                                              work-%offset%)
                                 (f2cl-lib:fref x (2 1) ((1 2) (1 2))))
                         (daxpy (f2cl-lib:int-sub j 2)
                          (- (f2cl-lib:fref x (1 1) ((1 2) (1 2))))
                          (f2cl-lib:array-slice t$
                                                double-float
                                                (1 (f2cl-lib:int-sub j 1))
                                                ((1 ldt) (1 *)))
                          1
                          (f2cl-lib:array-slice work
                                                double-float
                                                ((+ 1 n))
                                                ((1 *)))
                          1)
                         (daxpy (f2cl-lib:int-sub j 2)
                          (- (f2cl-lib:fref x (2 1) ((1 2) (1 2))))
                          (f2cl-lib:array-slice t$
                                                double-float
                                                (1 j)
                                                ((1 ldt) (1 *)))
                          1
                          (f2cl-lib:array-slice work
                                                double-float
                                                ((+ 1 n))
                                                ((1 *)))
                          1)))
                     label60))
                  (cond
                    ((not over)
                     (dcopy ki
                      (f2cl-lib:array-slice work
                                            double-float
                                            ((+ 1 n))
                                            ((1 *)))
                      1
                      (f2cl-lib:array-slice vr
                                            double-float
                                            (1 is)
                                            ((1 ldvr) (1 *)))
                      1)
                     (setf ii
                             (idamax ki
                              (f2cl-lib:array-slice vr
                                                    double-float
                                                    (1 is)
                                                    ((1 ldvr) (1 *)))
                              1))
                     (setf remax
                             (/ one
                                (abs
                                 (f2cl-lib:fref vr-%data%
                                                (ii is)
                                                ((1 ldvr) (1 *))
                                                vr-%offset%))))
                     (dscal ki remax
                      (f2cl-lib:array-slice vr
                                            double-float
                                            (1 is)
                                            ((1 ldvr) (1 *)))
                      1)
                     (f2cl-lib:fdo (k (f2cl-lib:int-add ki 1)
                                    (f2cl-lib:int-add k 1))
                                   ((> k n) nil)
                       (tagbody
                         (setf (f2cl-lib:fref vr-%data%
                                              (k is)
                                              ((1 ldvr) (1 *))
                                              vr-%offset%)
                                 zero)
                        label70)))
                    (t
                     (if (> ki 1)
                         (dgemv "N" n (f2cl-lib:int-sub ki 1) one vr ldvr
                          (f2cl-lib:array-slice work
                                                double-float
                                                ((+ 1 n))
                                                ((1 *)))
                          1
                          (f2cl-lib:fref work-%data%
                                         ((f2cl-lib:int-add ki n))
                                         ((1 *))
                                         work-%offset%)
                          (f2cl-lib:array-slice vr
                                                double-float
                                                (1 ki)
                                                ((1 ldvr) (1 *)))
                          1))
                     (setf ii
                             (idamax n
                              (f2cl-lib:array-slice vr
                                                    double-float
                                                    (1 ki)
                                                    ((1 ldvr) (1 *)))
                              1))
                     (setf remax
                             (/ one
                                (abs
                                 (f2cl-lib:fref vr-%data%
                                                (ii ki)
                                                ((1 ldvr) (1 *))
                                                vr-%offset%))))
                     (dscal n remax
                      (f2cl-lib:array-slice vr
                                            double-float
                                            (1 ki)
                                            ((1 ldvr) (1 *)))
                      1))))
                 (t
                  (cond
                    ((>=
                      (abs
                       (f2cl-lib:fref t$
                                      ((f2cl-lib:int-add ki
                                                         (f2cl-lib:int-sub 1))
                                       ki)
                                      ((1 ldt) (1 *))))
                      (abs
                       (f2cl-lib:fref t$
                                      (ki
                                       (f2cl-lib:int-add ki
                                                         (f2cl-lib:int-sub 1)))
                                      ((1 ldt) (1 *)))))
                     (setf (f2cl-lib:fref work-%data%
                                          ((f2cl-lib:int-add
                                            (f2cl-lib:int-sub ki 1)
                                            n))
                                          ((1 *))
                                          work-%offset%)
                             one)
                     (setf (f2cl-lib:fref work-%data%
                                          ((f2cl-lib:int-add ki n2))
                                          ((1 *))
                                          work-%offset%)
                             (/ wi
                                (f2cl-lib:fref t$-%data%
                                               ((f2cl-lib:int-sub ki 1) ki)
                                               ((1 ldt) (1 *))
                                               t$-%offset%))))
                    (t
                     (setf (f2cl-lib:fref work-%data%
                                          ((f2cl-lib:int-add
                                            (f2cl-lib:int-sub ki 1)
                                            n))
                                          ((1 *))
                                          work-%offset%)
                             (/ (- wi)
                                (f2cl-lib:fref t$-%data%
                                               (ki (f2cl-lib:int-sub ki 1))
                                               ((1 ldt) (1 *))
                                               t$-%offset%)))
                     (setf (f2cl-lib:fref work-%data%
                                          ((f2cl-lib:int-add ki n2))
                                          ((1 *))
                                          work-%offset%)
                             one)))
                  (setf (f2cl-lib:fref work-%data%
                                       ((f2cl-lib:int-add ki n))
                                       ((1 *))
                                       work-%offset%)
                          zero)
                  (setf (f2cl-lib:fref work-%data%
                                       ((f2cl-lib:int-add
                                         (f2cl-lib:int-sub ki 1)
                                         n2))
                                       ((1 *))
                                       work-%offset%)
                          zero)
                  (f2cl-lib:fdo (k 1 (f2cl-lib:int-add k 1))
                                ((> k
                                    (f2cl-lib:int-add ki (f2cl-lib:int-sub 2)))
                                 nil)
                    (tagbody
                      (setf (f2cl-lib:fref work-%data%
                                           ((f2cl-lib:int-add k n))
                                           ((1 *))
                                           work-%offset%)
                              (*
                               (-
                                (f2cl-lib:fref work-%data%
                                               ((f2cl-lib:int-add
                                                 (f2cl-lib:int-sub ki 1)
                                                 n))
                                               ((1 *))
                                               work-%offset%))
                               (f2cl-lib:fref t$-%data%
                                              (k (f2cl-lib:int-sub ki 1))
                                              ((1 ldt) (1 *))
                                              t$-%offset%)))
                      (setf (f2cl-lib:fref work-%data%
                                           ((f2cl-lib:int-add k n2))
                                           ((1 *))
                                           work-%offset%)
                              (*
                               (-
                                (f2cl-lib:fref work-%data%
                                               ((f2cl-lib:int-add ki n2))
                                               ((1 *))
                                               work-%offset%))
                               (f2cl-lib:fref t$-%data%
                                              (k ki)
                                              ((1 ldt) (1 *))
                                              t$-%offset%)))
                     label80))
                  (setf jnxt (f2cl-lib:int-sub ki 2))
                  (f2cl-lib:fdo (j (f2cl-lib:int-add ki (f2cl-lib:int-sub 2))
                                 (f2cl-lib:int-add j (f2cl-lib:int-sub 1)))
                                ((> j 1) nil)
                    (tagbody
                      (if (> j jnxt) (go label90))
                      (setf j1 j)
                      (setf j2 j)
                      (setf jnxt (f2cl-lib:int-sub j 1))
                      (cond
                        ((> j 1)
                         (cond
                           ((/=
                             (f2cl-lib:fref t$
                                            (j
                                             (f2cl-lib:int-add j
                                                               (f2cl-lib:int-sub
                                                                1)))
                                            ((1 ldt) (1 *)))
                             zero)
                            (setf j1 (f2cl-lib:int-sub j 1))
                            (setf jnxt (f2cl-lib:int-sub j 2))))))
                      (cond
                        ((= j1 j2)
                         (multiple-value-bind
                               (var-0 var-1 var-2 var-3 var-4 var-5 var-6 var-7
                                var-8 var-9 var-10 var-11 var-12 var-13 var-14
                                var-15 var-16 var-17)
                             (dlaln2 f2cl-lib:%false% 1 2 smin one
                              (f2cl-lib:array-slice t$
                                                    double-float
                                                    (j j)
                                                    ((1 ldt) (1 *)))
                              ldt one one
                              (f2cl-lib:array-slice work
                                                    double-float
                                                    ((+ j n))
                                                    ((1 *)))
                              n wr wi x 2 scale xnorm ierr)
                           (declare (ignore var-0 var-1 var-2 var-3 var-4 var-5
                                            var-6 var-7 var-8 var-9 var-10
                                            var-11 var-12 var-13 var-14))
                           (setf scale var-15)
                           (setf xnorm var-16)
                           (setf ierr var-17))
                         (cond
                           ((> xnorm one)
                            (cond
                              ((> (f2cl-lib:fref work (j) ((1 *)))
                                  (f2cl-lib:f2cl/ bignum xnorm))
                               (setf (f2cl-lib:fref x (1 1) ((1 2) (1 2)))
                                       (/ (f2cl-lib:fref x (1 1) ((1 2) (1 2)))
                                          xnorm))
                               (setf (f2cl-lib:fref x (1 2) ((1 2) (1 2)))
                                       (/ (f2cl-lib:fref x (1 2) ((1 2) (1 2)))
                                          xnorm))
                               (setf scale (/ scale xnorm))))))
                         (cond
                           ((/= scale one)
                            (dscal ki scale
                             (f2cl-lib:array-slice work
                                                   double-float
                                                   ((+ 1 n))
                                                   ((1 *)))
                             1)
                            (dscal ki scale
                             (f2cl-lib:array-slice work
                                                   double-float
                                                   ((+ 1 n2))
                                                   ((1 *)))
                             1)))
                         (setf (f2cl-lib:fref work-%data%
                                              ((f2cl-lib:int-add j n))
                                              ((1 *))
                                              work-%offset%)
                                 (f2cl-lib:fref x (1 1) ((1 2) (1 2))))
                         (setf (f2cl-lib:fref work-%data%
                                              ((f2cl-lib:int-add j n2))
                                              ((1 *))
                                              work-%offset%)
                                 (f2cl-lib:fref x (1 2) ((1 2) (1 2))))
                         (daxpy (f2cl-lib:int-sub j 1)
                          (- (f2cl-lib:fref x (1 1) ((1 2) (1 2))))
                          (f2cl-lib:array-slice t$
                                                double-float
                                                (1 j)
                                                ((1 ldt) (1 *)))
                          1
                          (f2cl-lib:array-slice work
                                                double-float
                                                ((+ 1 n))
                                                ((1 *)))
                          1)
                         (daxpy (f2cl-lib:int-sub j 1)
                          (- (f2cl-lib:fref x (1 2) ((1 2) (1 2))))
                          (f2cl-lib:array-slice t$
                                                double-float
                                                (1 j)
                                                ((1 ldt) (1 *)))
                          1
                          (f2cl-lib:array-slice work
                                                double-float
                                                ((+ 1 n2))
                                                ((1 *)))
                          1))
                        (t
                         (multiple-value-bind
                               (var-0 var-1 var-2 var-3 var-4 var-5 var-6 var-7
                                var-8 var-9 var-10 var-11 var-12 var-13 var-14
                                var-15 var-16 var-17)
                             (dlaln2 f2cl-lib:%false% 2 2 smin one
                              (f2cl-lib:array-slice t$
                                                    double-float
                                                    ((+ j (f2cl-lib:int-sub 1))
                                                     (f2cl-lib:int-sub j 1))
                                                    ((1 ldt) (1 *)))
                              ldt one one
                              (f2cl-lib:array-slice work
                                                    double-float
                                                    ((+ j
                                                        (f2cl-lib:int-sub 1)
                                                        n))
                                                    ((1 *)))
                              n wr wi x 2 scale xnorm ierr)
                           (declare (ignore var-0 var-1 var-2 var-3 var-4 var-5
                                            var-6 var-7 var-8 var-9 var-10
                                            var-11 var-12 var-13 var-14))
                           (setf scale var-15)
                           (setf xnorm var-16)
                           (setf ierr var-17))
                         (cond
                           ((> xnorm one)
                            (setf beta
                                    (max
                                     (f2cl-lib:fref work-%data%
                                                    ((f2cl-lib:int-sub j 1))
                                                    ((1 *))
                                                    work-%offset%)
                                     (f2cl-lib:fref work-%data%
                                                    (j)
                                                    ((1 *))
                                                    work-%offset%)))
                            (cond
                              ((> beta (f2cl-lib:f2cl/ bignum xnorm))
                               (setf rec (/ one xnorm))
                               (setf (f2cl-lib:fref x (1 1) ((1 2) (1 2)))
                                       (* (f2cl-lib:fref x (1 1) ((1 2) (1 2)))
                                          rec))
                               (setf (f2cl-lib:fref x (1 2) ((1 2) (1 2)))
                                       (* (f2cl-lib:fref x (1 2) ((1 2) (1 2)))
                                          rec))
                               (setf (f2cl-lib:fref x (2 1) ((1 2) (1 2)))
                                       (* (f2cl-lib:fref x (2 1) ((1 2) (1 2)))
                                          rec))
                               (setf (f2cl-lib:fref x (2 2) ((1 2) (1 2)))
                                       (* (f2cl-lib:fref x (2 2) ((1 2) (1 2)))
                                          rec))
                               (setf scale (* scale rec))))))
                         (cond
                           ((/= scale one)
                            (dscal ki scale
                             (f2cl-lib:array-slice work
                                                   double-float
                                                   ((+ 1 n))
                                                   ((1 *)))
                             1)
                            (dscal ki scale
                             (f2cl-lib:array-slice work
                                                   double-float
                                                   ((+ 1 n2))
                                                   ((1 *)))
                             1)))
                         (setf (f2cl-lib:fref work-%data%
                                              ((f2cl-lib:int-add
                                                (f2cl-lib:int-sub j 1)
                                                n))
                                              ((1 *))
                                              work-%offset%)
                                 (f2cl-lib:fref x (1 1) ((1 2) (1 2))))
                         (setf (f2cl-lib:fref work-%data%
                                              ((f2cl-lib:int-add j n))
                                              ((1 *))
                                              work-%offset%)
                                 (f2cl-lib:fref x (2 1) ((1 2) (1 2))))
                         (setf (f2cl-lib:fref work-%data%
                                              ((f2cl-lib:int-add
                                                (f2cl-lib:int-sub j 1)
                                                n2))
                                              ((1 *))
                                              work-%offset%)
                                 (f2cl-lib:fref x (1 2) ((1 2) (1 2))))
                         (setf (f2cl-lib:fref work-%data%
                                              ((f2cl-lib:int-add j n2))
                                              ((1 *))
                                              work-%offset%)
                                 (f2cl-lib:fref x (2 2) ((1 2) (1 2))))
                         (daxpy (f2cl-lib:int-sub j 2)
                          (- (f2cl-lib:fref x (1 1) ((1 2) (1 2))))
                          (f2cl-lib:array-slice t$
                                                double-float
                                                (1 (f2cl-lib:int-sub j 1))
                                                ((1 ldt) (1 *)))
                          1
                          (f2cl-lib:array-slice work
                                                double-float
                                                ((+ 1 n))
                                                ((1 *)))
                          1)
                         (daxpy (f2cl-lib:int-sub j 2)
                          (- (f2cl-lib:fref x (2 1) ((1 2) (1 2))))
                          (f2cl-lib:array-slice t$
                                                double-float
                                                (1 j)
                                                ((1 ldt) (1 *)))
                          1
                          (f2cl-lib:array-slice work
                                                double-float
                                                ((+ 1 n))
                                                ((1 *)))
                          1)
                         (daxpy (f2cl-lib:int-sub j 2)
                          (- (f2cl-lib:fref x (1 2) ((1 2) (1 2))))
                          (f2cl-lib:array-slice t$
                                                double-float
                                                (1 (f2cl-lib:int-sub j 1))
                                                ((1 ldt) (1 *)))
                          1
                          (f2cl-lib:array-slice work
                                                double-float
                                                ((+ 1 n2))
                                                ((1 *)))
                          1)
                         (daxpy (f2cl-lib:int-sub j 2)
                          (- (f2cl-lib:fref x (2 2) ((1 2) (1 2))))
                          (f2cl-lib:array-slice t$
                                                double-float
                                                (1 j)
                                                ((1 ldt) (1 *)))
                          1
                          (f2cl-lib:array-slice work
                                                double-float
                                                ((+ 1 n2))
                                                ((1 *)))
                          1)))
                     label90))
                  (cond
                    ((not over)
                     (dcopy ki
                      (f2cl-lib:array-slice work
                                            double-float
                                            ((+ 1 n))
                                            ((1 *)))
                      1
                      (f2cl-lib:array-slice vr
                                            double-float
                                            (1 (f2cl-lib:int-sub is 1))
                                            ((1 ldvr) (1 *)))
                      1)
                     (dcopy ki
                      (f2cl-lib:array-slice work
                                            double-float
                                            ((+ 1 n2))
                                            ((1 *)))
                      1
                      (f2cl-lib:array-slice vr
                                            double-float
                                            (1 is)
                                            ((1 ldvr) (1 *)))
                      1)
                     (setf emax zero)
                     (f2cl-lib:fdo (k 1 (f2cl-lib:int-add k 1))
                                   ((> k ki) nil)
                       (tagbody
                         (setf emax
                                 (max emax
                                      (+
                                       (abs
                                        (f2cl-lib:fref vr-%data%
                                                       (k
                                                        (f2cl-lib:int-sub is
                                                                          1))
                                                       ((1 ldvr) (1 *))
                                                       vr-%offset%))
                                       (abs
                                        (f2cl-lib:fref vr-%data%
                                                       (k is)
                                                       ((1 ldvr) (1 *))
                                                       vr-%offset%)))))
                        label100))
                     (setf remax (/ one emax))
                     (dscal ki remax
                      (f2cl-lib:array-slice vr
                                            double-float
                                            (1 (f2cl-lib:int-sub is 1))
                                            ((1 ldvr) (1 *)))
                      1)
                     (dscal ki remax
                      (f2cl-lib:array-slice vr
                                            double-float
                                            (1 is)
                                            ((1 ldvr) (1 *)))
                      1)
                     (f2cl-lib:fdo (k (f2cl-lib:int-add ki 1)
                                    (f2cl-lib:int-add k 1))
                                   ((> k n) nil)
                       (tagbody
                         (setf (f2cl-lib:fref vr-%data%
                                              (k (f2cl-lib:int-sub is 1))
                                              ((1 ldvr) (1 *))
                                              vr-%offset%)
                                 zero)
                         (setf (f2cl-lib:fref vr-%data%
                                              (k is)
                                              ((1 ldvr) (1 *))
                                              vr-%offset%)
                                 zero)
                        label110)))
                    (t
                     (cond
                       ((> ki 2)
                        (dgemv "N" n (f2cl-lib:int-sub ki 2) one vr ldvr
                         (f2cl-lib:array-slice work
                                               double-float
                                               ((+ 1 n))
                                               ((1 *)))
                         1
                         (f2cl-lib:fref work-%data%
                                        ((f2cl-lib:int-add
                                          (f2cl-lib:int-sub ki 1)
                                          n))
                                        ((1 *))
                                        work-%offset%)
                         (f2cl-lib:array-slice vr
                                               double-float
                                               (1 (f2cl-lib:int-sub ki 1))
                                               ((1 ldvr) (1 *)))
                         1)
                        (dgemv "N" n (f2cl-lib:int-sub ki 2) one vr ldvr
                         (f2cl-lib:array-slice work
                                               double-float
                                               ((+ 1 n2))
                                               ((1 *)))
                         1
                         (f2cl-lib:fref work-%data%
                                        ((f2cl-lib:int-add ki n2))
                                        ((1 *))
                                        work-%offset%)
                         (f2cl-lib:array-slice vr
                                               double-float
                                               (1 ki)
                                               ((1 ldvr) (1 *)))
                         1))
                       (t
                        (dscal n
                         (f2cl-lib:fref work-%data%
                                        ((f2cl-lib:int-add
                                          (f2cl-lib:int-sub ki 1)
                                          n))
                                        ((1 *))
                                        work-%offset%)
                         (f2cl-lib:array-slice vr
                                               double-float
                                               (1 (f2cl-lib:int-sub ki 1))
                                               ((1 ldvr) (1 *)))
                         1)
                        (dscal n
                         (f2cl-lib:fref work-%data%
                                        ((f2cl-lib:int-add ki n2))
                                        ((1 *))
                                        work-%offset%)
                         (f2cl-lib:array-slice vr
                                               double-float
                                               (1 ki)
                                               ((1 ldvr) (1 *)))
                         1)))
                     (setf emax zero)
                     (f2cl-lib:fdo (k 1 (f2cl-lib:int-add k 1))
                                   ((> k n) nil)
                       (tagbody
                         (setf emax
                                 (max emax
                                      (+
                                       (abs
                                        (f2cl-lib:fref vr-%data%
                                                       (k
                                                        (f2cl-lib:int-sub ki
                                                                          1))
                                                       ((1 ldvr) (1 *))
                                                       vr-%offset%))
                                       (abs
                                        (f2cl-lib:fref vr-%data%
                                                       (k ki)
                                                       ((1 ldvr) (1 *))
                                                       vr-%offset%)))))
                        label120))
                     (setf remax (/ one emax))
                     (dscal n remax
                      (f2cl-lib:array-slice vr
                                            double-float
                                            (1 (f2cl-lib:int-sub ki 1))
                                            ((1 ldvr) (1 *)))
                      1)
                     (dscal n remax
                      (f2cl-lib:array-slice vr
                                            double-float
                                            (1 ki)
                                            ((1 ldvr) (1 *)))
                      1)))))
               (setf is (f2cl-lib:int-sub is 1))
               (if (/= ip 0) (setf is (f2cl-lib:int-sub is 1)))
              label130
               (if (= ip 1) (setf ip 0))
               (if (= ip -1) (setf ip 1))
              label140))))
        (cond
          (leftv
           (setf ip 0)
           (setf is 1)
           (f2cl-lib:fdo (ki 1 (f2cl-lib:int-add ki 1))
                         ((> ki n) nil)
             (tagbody
               (if (= ip -1) (go label250))
               (if (= ki n) (go label150))
               (if
                (=
                 (f2cl-lib:fref t$-%data%
                                ((f2cl-lib:int-add ki 1) ki)
                                ((1 ldt) (1 *))
                                t$-%offset%)
                 zero)
                (go label150))
               (setf ip 1)
              label150
               (cond
                 (somev
                  (if
                   (not
                    (f2cl-lib:fref select-%data% (ki) ((1 *)) select-%offset%))
                   (go label250))))
               (setf wr
                       (f2cl-lib:fref t$-%data%
                                      (ki ki)
                                      ((1 ldt) (1 *))
                                      t$-%offset%))
               (setf wi zero)
               (if (/= ip 0)
                   (setf wi
                           (*
                            (f2cl-lib:fsqrt
                             (abs
                              (f2cl-lib:fref t$-%data%
                                             (ki (f2cl-lib:int-add ki 1))
                                             ((1 ldt) (1 *))
                                             t$-%offset%)))
                            (f2cl-lib:fsqrt
                             (abs
                              (f2cl-lib:fref t$-%data%
                                             ((f2cl-lib:int-add ki 1) ki)
                                             ((1 ldt) (1 *))
                                             t$-%offset%))))))
               (setf smin (max (* ulp (+ (abs wr) (abs wi))) smlnum))
               (cond
                 ((= ip 0)
                  (setf (f2cl-lib:fref work-%data%
                                       ((f2cl-lib:int-add ki n))
                                       ((1 *))
                                       work-%offset%)
                          one)
                  (f2cl-lib:fdo (k (f2cl-lib:int-add ki 1)
                                 (f2cl-lib:int-add k 1))
                                ((> k n) nil)
                    (tagbody
                      (setf (f2cl-lib:fref work-%data%
                                           ((f2cl-lib:int-add k n))
                                           ((1 *))
                                           work-%offset%)
                              (-
                               (f2cl-lib:fref t$-%data%
                                              (ki k)
                                              ((1 ldt) (1 *))
                                              t$-%offset%)))
                     label160))
                  (setf vmax one)
                  (setf vcrit bignum)
                  (setf jnxt (f2cl-lib:int-add ki 1))
                  (f2cl-lib:fdo (j (f2cl-lib:int-add ki 1)
                                 (f2cl-lib:int-add j 1))
                                ((> j n) nil)
                    (tagbody
                      (if (< j jnxt) (go label170))
                      (setf j1 j)
                      (setf j2 j)
                      (setf jnxt (f2cl-lib:int-add j 1))
                      (cond
                        ((< j n)
                         (cond
                           ((/=
                             (f2cl-lib:fref t$
                                            ((f2cl-lib:int-add j 1) j)
                                            ((1 ldt) (1 *)))
                             zero)
                            (setf j2 (f2cl-lib:int-add j 1))
                            (setf jnxt (f2cl-lib:int-add j 2))))))
                      (cond
                        ((= j1 j2)
                         (cond
                           ((> (f2cl-lib:fref work (j) ((1 *))) vcrit)
                            (setf rec (/ one vmax))
                            (dscal (f2cl-lib:int-add (f2cl-lib:int-sub n ki) 1)
                             rec
                             (f2cl-lib:array-slice work
                                                   double-float
                                                   ((+ ki n))
                                                   ((1 *)))
                             1)
                            (setf vmax one)
                            (setf vcrit bignum)))
                         (setf (f2cl-lib:fref work-%data%
                                              ((f2cl-lib:int-add j n))
                                              ((1 *))
                                              work-%offset%)
                                 (-
                                  (f2cl-lib:fref work-%data%
                                                 ((f2cl-lib:int-add j n))
                                                 ((1 *))
                                                 work-%offset%)
                                  (ddot (f2cl-lib:int-sub j ki 1)
                                   (f2cl-lib:array-slice t$
                                                         double-float
                                                         ((+ ki 1) j)
                                                         ((1 ldt) (1 *)))
                                   1
                                   (f2cl-lib:array-slice work
                                                         double-float
                                                         ((+ ki 1 n))
                                                         ((1 *)))
                                   1)))
                         (multiple-value-bind
                               (var-0 var-1 var-2 var-3 var-4 var-5 var-6 var-7
                                var-8 var-9 var-10 var-11 var-12 var-13 var-14
                                var-15 var-16 var-17)
                             (dlaln2 f2cl-lib:%false% 1 1 smin one
                              (f2cl-lib:array-slice t$
                                                    double-float
                                                    (j j)
                                                    ((1 ldt) (1 *)))
                              ldt one one
                              (f2cl-lib:array-slice work
                                                    double-float
                                                    ((+ j n))
                                                    ((1 *)))
                              n wr zero x 2 scale xnorm ierr)
                           (declare (ignore var-0 var-1 var-2 var-3 var-4 var-5
                                            var-6 var-7 var-8 var-9 var-10
                                            var-11 var-12 var-13 var-14))
                           (setf scale var-15)
                           (setf xnorm var-16)
                           (setf ierr var-17))
                         (if (/= scale one)
                             (dscal
                              (f2cl-lib:int-add (f2cl-lib:int-sub n ki) 1)
                              scale
                              (f2cl-lib:array-slice work
                                                    double-float
                                                    ((+ ki n))
                                                    ((1 *)))
                              1))
                         (setf (f2cl-lib:fref work-%data%
                                              ((f2cl-lib:int-add j n))
                                              ((1 *))
                                              work-%offset%)
                                 (f2cl-lib:fref x (1 1) ((1 2) (1 2))))
                         (setf vmax
                                 (max
                                  (abs
                                   (f2cl-lib:fref work-%data%
                                                  ((f2cl-lib:int-add j n))
                                                  ((1 *))
                                                  work-%offset%))
                                  vmax))
                         (setf vcrit (/ bignum vmax)))
                        (t
                         (setf beta
                                 (max
                                  (f2cl-lib:fref work-%data%
                                                 (j)
                                                 ((1 *))
                                                 work-%offset%)
                                  (f2cl-lib:fref work-%data%
                                                 ((f2cl-lib:int-add j 1))
                                                 ((1 *))
                                                 work-%offset%)))
                         (cond
                           ((> beta vcrit)
                            (setf rec (/ one vmax))
                            (dscal (f2cl-lib:int-add (f2cl-lib:int-sub n ki) 1)
                             rec
                             (f2cl-lib:array-slice work
                                                   double-float
                                                   ((+ ki n))
                                                   ((1 *)))
                             1)
                            (setf vmax one)
                            (setf vcrit bignum)))
                         (setf (f2cl-lib:fref work-%data%
                                              ((f2cl-lib:int-add j n))
                                              ((1 *))
                                              work-%offset%)
                                 (-
                                  (f2cl-lib:fref work-%data%
                                                 ((f2cl-lib:int-add j n))
                                                 ((1 *))
                                                 work-%offset%)
                                  (ddot (f2cl-lib:int-sub j ki 1)
                                   (f2cl-lib:array-slice t$
                                                         double-float
                                                         ((+ ki 1) j)
                                                         ((1 ldt) (1 *)))
                                   1
                                   (f2cl-lib:array-slice work
                                                         double-float
                                                         ((+ ki 1 n))
                                                         ((1 *)))
                                   1)))
                         (setf (f2cl-lib:fref work-%data%
                                              ((f2cl-lib:int-add j 1 n))
                                              ((1 *))
                                              work-%offset%)
                                 (-
                                  (f2cl-lib:fref work-%data%
                                                 ((f2cl-lib:int-add j 1 n))
                                                 ((1 *))
                                                 work-%offset%)
                                  (ddot (f2cl-lib:int-sub j ki 1)
                                   (f2cl-lib:array-slice t$
                                                         double-float
                                                         ((+ ki 1)
                                                          (f2cl-lib:int-add j
                                                                            1))
                                                         ((1 ldt) (1 *)))
                                   1
                                   (f2cl-lib:array-slice work
                                                         double-float
                                                         ((+ ki 1 n))
                                                         ((1 *)))
                                   1)))
                         (multiple-value-bind
                               (var-0 var-1 var-2 var-3 var-4 var-5 var-6 var-7
                                var-8 var-9 var-10 var-11 var-12 var-13 var-14
                                var-15 var-16 var-17)
                             (dlaln2 f2cl-lib:%true% 2 1 smin one
                              (f2cl-lib:array-slice t$
                                                    double-float
                                                    (j j)
                                                    ((1 ldt) (1 *)))
                              ldt one one
                              (f2cl-lib:array-slice work
                                                    double-float
                                                    ((+ j n))
                                                    ((1 *)))
                              n wr zero x 2 scale xnorm ierr)
                           (declare (ignore var-0 var-1 var-2 var-3 var-4 var-5
                                            var-6 var-7 var-8 var-9 var-10
                                            var-11 var-12 var-13 var-14))
                           (setf scale var-15)
                           (setf xnorm var-16)
                           (setf ierr var-17))
                         (if (/= scale one)
                             (dscal
                              (f2cl-lib:int-add (f2cl-lib:int-sub n ki) 1)
                              scale
                              (f2cl-lib:array-slice work
                                                    double-float
                                                    ((+ ki n))
                                                    ((1 *)))
                              1))
                         (setf (f2cl-lib:fref work-%data%
                                              ((f2cl-lib:int-add j n))
                                              ((1 *))
                                              work-%offset%)
                                 (f2cl-lib:fref x (1 1) ((1 2) (1 2))))
                         (setf (f2cl-lib:fref work-%data%
                                              ((f2cl-lib:int-add j 1 n))
                                              ((1 *))
                                              work-%offset%)
                                 (f2cl-lib:fref x (2 1) ((1 2) (1 2))))
                         (setf vmax
                                 (max
                                  (abs
                                   (f2cl-lib:fref work-%data%
                                                  ((f2cl-lib:int-add j n))
                                                  ((1 *))
                                                  work-%offset%))
                                  (abs
                                   (f2cl-lib:fref work-%data%
                                                  ((f2cl-lib:int-add j 1 n))
                                                  ((1 *))
                                                  work-%offset%))
                                  vmax))
                         (setf vcrit (/ bignum vmax))))
                     label170))
                  (cond
                    ((not over)
                     (dcopy (f2cl-lib:int-add (f2cl-lib:int-sub n ki) 1)
                      (f2cl-lib:array-slice work
                                            double-float
                                            ((+ ki n))
                                            ((1 *)))
                      1
                      (f2cl-lib:array-slice vl
                                            double-float
                                            (ki is)
                                            ((1 ldvl) (1 *)))
                      1)
                     (setf ii
                             (f2cl-lib:int-sub
                              (f2cl-lib:int-add
                               (idamax
                                (f2cl-lib:int-add (f2cl-lib:int-sub n ki) 1)
                                (f2cl-lib:array-slice vl
                                                      double-float
                                                      (ki is)
                                                      ((1 ldvl) (1 *)))
                                1)
                               ki)
                              1))
                     (setf remax
                             (/ one
                                (abs
                                 (f2cl-lib:fref vl-%data%
                                                (ii is)
                                                ((1 ldvl) (1 *))
                                                vl-%offset%))))
                     (dscal (f2cl-lib:int-add (f2cl-lib:int-sub n ki) 1) remax
                      (f2cl-lib:array-slice vl
                                            double-float
                                            (ki is)
                                            ((1 ldvl) (1 *)))
                      1)
                     (f2cl-lib:fdo (k 1 (f2cl-lib:int-add k 1))
                                   ((> k
                                       (f2cl-lib:int-add ki
                                                         (f2cl-lib:int-sub 1)))
                                    nil)
                       (tagbody
                         (setf (f2cl-lib:fref vl-%data%
                                              (k is)
                                              ((1 ldvl) (1 *))
                                              vl-%offset%)
                                 zero)
                        label180)))
                    (t
                     (if (< ki n)
                         (dgemv "N" n (f2cl-lib:int-sub n ki) one
                          (f2cl-lib:array-slice vl
                                                double-float
                                                (1 (f2cl-lib:int-add ki 1))
                                                ((1 ldvl) (1 *)))
                          ldvl
                          (f2cl-lib:array-slice work
                                                double-float
                                                ((+ ki 1 n))
                                                ((1 *)))
                          1
                          (f2cl-lib:fref work-%data%
                                         ((f2cl-lib:int-add ki n))
                                         ((1 *))
                                         work-%offset%)
                          (f2cl-lib:array-slice vl
                                                double-float
                                                (1 ki)
                                                ((1 ldvl) (1 *)))
                          1))
                     (setf ii
                             (idamax n
                              (f2cl-lib:array-slice vl
                                                    double-float
                                                    (1 ki)
                                                    ((1 ldvl) (1 *)))
                              1))
                     (setf remax
                             (/ one
                                (abs
                                 (f2cl-lib:fref vl-%data%
                                                (ii ki)
                                                ((1 ldvl) (1 *))
                                                vl-%offset%))))
                     (dscal n remax
                      (f2cl-lib:array-slice vl
                                            double-float
                                            (1 ki)
                                            ((1 ldvl) (1 *)))
                      1))))
                 (t
                  (tagbody
                    (cond
                      ((>=
                        (abs
                         (f2cl-lib:fref t$
                                        (ki (f2cl-lib:int-add ki 1))
                                        ((1 ldt) (1 *))))
                        (abs
                         (f2cl-lib:fref t$
                                        ((f2cl-lib:int-add ki 1) ki)
                                        ((1 ldt) (1 *)))))
                       (setf (f2cl-lib:fref work-%data%
                                            ((f2cl-lib:int-add ki n))
                                            ((1 *))
                                            work-%offset%)
                               (/ wi
                                  (f2cl-lib:fref t$-%data%
                                                 (ki (f2cl-lib:int-add ki 1))
                                                 ((1 ldt) (1 *))
                                                 t$-%offset%)))
                       (setf (f2cl-lib:fref work-%data%
                                            ((f2cl-lib:int-add ki 1 n2))
                                            ((1 *))
                                            work-%offset%)
                               one))
                      (t
                       (setf (f2cl-lib:fref work-%data%
                                            ((f2cl-lib:int-add ki n))
                                            ((1 *))
                                            work-%offset%)
                               one)
                       (setf (f2cl-lib:fref work-%data%
                                            ((f2cl-lib:int-add ki 1 n2))
                                            ((1 *))
                                            work-%offset%)
                               (/ (- wi)
                                  (f2cl-lib:fref t$-%data%
                                                 ((f2cl-lib:int-add ki 1) ki)
                                                 ((1 ldt) (1 *))
                                                 t$-%offset%)))))
                    (setf (f2cl-lib:fref work-%data%
                                         ((f2cl-lib:int-add ki 1 n))
                                         ((1 *))
                                         work-%offset%)
                            zero)
                    (setf (f2cl-lib:fref work-%data%
                                         ((f2cl-lib:int-add ki n2))
                                         ((1 *))
                                         work-%offset%)
                            zero)
                    (f2cl-lib:fdo (k (f2cl-lib:int-add ki 2)
                                   (f2cl-lib:int-add k 1))
                                  ((> k n) nil)
                      (tagbody
                        (setf (f2cl-lib:fref work-%data%
                                             ((f2cl-lib:int-add k n))
                                             ((1 *))
                                             work-%offset%)
                                (*
                                 (-
                                  (f2cl-lib:fref work-%data%
                                                 ((f2cl-lib:int-add ki n))
                                                 ((1 *))
                                                 work-%offset%))
                                 (f2cl-lib:fref t$-%data%
                                                (ki k)
                                                ((1 ldt) (1 *))
                                                t$-%offset%)))
                        (setf (f2cl-lib:fref work-%data%
                                             ((f2cl-lib:int-add k n2))
                                             ((1 *))
                                             work-%offset%)
                                (*
                                 (-
                                  (f2cl-lib:fref work-%data%
                                                 ((f2cl-lib:int-add ki 1 n2))
                                                 ((1 *))
                                                 work-%offset%))
                                 (f2cl-lib:fref t$-%data%
                                                ((f2cl-lib:int-add ki 1) k)
                                                ((1 ldt) (1 *))
                                                t$-%offset%)))
                       label190))
                    (setf vmax one)
                    (setf vcrit bignum)
                    (setf jnxt (f2cl-lib:int-add ki 2))
                    (f2cl-lib:fdo (j (f2cl-lib:int-add ki 2)
                                   (f2cl-lib:int-add j 1))
                                  ((> j n) nil)
                      (tagbody
                        (if (< j jnxt) (go label200))
                        (setf j1 j)
                        (setf j2 j)
                        (setf jnxt (f2cl-lib:int-add j 1))
                        (cond
                          ((< j n)
                           (cond
                             ((/=
                               (f2cl-lib:fref t$
                                              ((f2cl-lib:int-add j 1) j)
                                              ((1 ldt) (1 *)))
                               zero)
                              (setf j2 (f2cl-lib:int-add j 1))
                              (setf jnxt (f2cl-lib:int-add j 2))))))
                        (cond
                          ((= j1 j2)
                           (cond
                             ((> (f2cl-lib:fref work (j) ((1 *))) vcrit)
                              (setf rec (/ one vmax))
                              (dscal
                               (f2cl-lib:int-add (f2cl-lib:int-sub n ki) 1) rec
                               (f2cl-lib:array-slice work
                                                     double-float
                                                     ((+ ki n))
                                                     ((1 *)))
                               1)
                              (dscal
                               (f2cl-lib:int-add (f2cl-lib:int-sub n ki) 1) rec
                               (f2cl-lib:array-slice work
                                                     double-float
                                                     ((+ ki n2))
                                                     ((1 *)))
                               1)
                              (setf vmax one)
                              (setf vcrit bignum)))
                           (setf (f2cl-lib:fref work-%data%
                                                ((f2cl-lib:int-add j n))
                                                ((1 *))
                                                work-%offset%)
                                   (-
                                    (f2cl-lib:fref work-%data%
                                                   ((f2cl-lib:int-add j n))
                                                   ((1 *))
                                                   work-%offset%)
                                    (ddot (f2cl-lib:int-sub j ki 2)
                                     (f2cl-lib:array-slice t$
                                                           double-float
                                                           ((+ ki 2) j)
                                                           ((1 ldt) (1 *)))
                                     1
                                     (f2cl-lib:array-slice work
                                                           double-float
                                                           ((+ ki 2 n))
                                                           ((1 *)))
                                     1)))
                           (setf (f2cl-lib:fref work-%data%
                                                ((f2cl-lib:int-add j n2))
                                                ((1 *))
                                                work-%offset%)
                                   (-
                                    (f2cl-lib:fref work-%data%
                                                   ((f2cl-lib:int-add j n2))
                                                   ((1 *))
                                                   work-%offset%)
                                    (ddot (f2cl-lib:int-sub j ki 2)
                                     (f2cl-lib:array-slice t$
                                                           double-float
                                                           ((+ ki 2) j)
                                                           ((1 ldt) (1 *)))
                                     1
                                     (f2cl-lib:array-slice work
                                                           double-float
                                                           ((+ ki 2 n2))
                                                           ((1 *)))
                                     1)))
                           (multiple-value-bind
                                 (var-0 var-1 var-2 var-3 var-4 var-5 var-6
                                  var-7 var-8 var-9 var-10 var-11 var-12 var-13
                                  var-14 var-15 var-16 var-17)
                               (dlaln2 f2cl-lib:%false% 1 2 smin one
                                (f2cl-lib:array-slice t$
                                                      double-float
                                                      (j j)
                                                      ((1 ldt) (1 *)))
                                ldt one one
                                (f2cl-lib:array-slice work
                                                      double-float
                                                      ((+ j n))
                                                      ((1 *)))
                                n wr (- wi) x 2 scale xnorm ierr)
                             (declare (ignore var-0 var-1 var-2 var-3 var-4
                                              var-5 var-6 var-7 var-8 var-9
                                              var-10 var-11 var-12 var-13
                                              var-14))
                             (setf scale var-15)
                             (setf xnorm var-16)
                             (setf ierr var-17))
                           (cond
                             ((/= scale one)
                              (dscal
                               (f2cl-lib:int-add (f2cl-lib:int-sub n ki) 1)
                               scale
                               (f2cl-lib:array-slice work
                                                     double-float
                                                     ((+ ki n))
                                                     ((1 *)))
                               1)
                              (dscal
                               (f2cl-lib:int-add (f2cl-lib:int-sub n ki) 1)
                               scale
                               (f2cl-lib:array-slice work
                                                     double-float
                                                     ((+ ki n2))
                                                     ((1 *)))
                               1)))
                           (setf (f2cl-lib:fref work-%data%
                                                ((f2cl-lib:int-add j n))
                                                ((1 *))
                                                work-%offset%)
                                   (f2cl-lib:fref x (1 1) ((1 2) (1 2))))
                           (setf (f2cl-lib:fref work-%data%
                                                ((f2cl-lib:int-add j n2))
                                                ((1 *))
                                                work-%offset%)
                                   (f2cl-lib:fref x (1 2) ((1 2) (1 2))))
                           (setf vmax
                                   (max
                                    (abs
                                     (f2cl-lib:fref work-%data%
                                                    ((f2cl-lib:int-add j n))
                                                    ((1 *))
                                                    work-%offset%))
                                    (abs
                                     (f2cl-lib:fref work-%data%
                                                    ((f2cl-lib:int-add j n2))
                                                    ((1 *))
                                                    work-%offset%))
                                    vmax))
                           (setf vcrit (/ bignum vmax)))
                          (t
                           (setf beta
                                   (max
                                    (f2cl-lib:fref work-%data%
                                                   (j)
                                                   ((1 *))
                                                   work-%offset%)
                                    (f2cl-lib:fref work-%data%
                                                   ((f2cl-lib:int-add j 1))
                                                   ((1 *))
                                                   work-%offset%)))
                           (cond
                             ((> beta vcrit)
                              (setf rec (/ one vmax))
                              (dscal
                               (f2cl-lib:int-add (f2cl-lib:int-sub n ki) 1) rec
                               (f2cl-lib:array-slice work
                                                     double-float
                                                     ((+ ki n))
                                                     ((1 *)))
                               1)
                              (dscal
                               (f2cl-lib:int-add (f2cl-lib:int-sub n ki) 1) rec
                               (f2cl-lib:array-slice work
                                                     double-float
                                                     ((+ ki n2))
                                                     ((1 *)))
                               1)
                              (setf vmax one)
                              (setf vcrit bignum)))
                           (setf (f2cl-lib:fref work-%data%
                                                ((f2cl-lib:int-add j n))
                                                ((1 *))
                                                work-%offset%)
                                   (-
                                    (f2cl-lib:fref work-%data%
                                                   ((f2cl-lib:int-add j n))
                                                   ((1 *))
                                                   work-%offset%)
                                    (ddot (f2cl-lib:int-sub j ki 2)
                                     (f2cl-lib:array-slice t$
                                                           double-float
                                                           ((+ ki 2) j)
                                                           ((1 ldt) (1 *)))
                                     1
                                     (f2cl-lib:array-slice work
                                                           double-float
                                                           ((+ ki 2 n))
                                                           ((1 *)))
                                     1)))
                           (setf (f2cl-lib:fref work-%data%
                                                ((f2cl-lib:int-add j n2))
                                                ((1 *))
                                                work-%offset%)
                                   (-
                                    (f2cl-lib:fref work-%data%
                                                   ((f2cl-lib:int-add j n2))
                                                   ((1 *))
                                                   work-%offset%)
                                    (ddot (f2cl-lib:int-sub j ki 2)
                                     (f2cl-lib:array-slice t$
                                                           double-float
                                                           ((+ ki 2) j)
                                                           ((1 ldt) (1 *)))
                                     1
                                     (f2cl-lib:array-slice work
                                                           double-float
                                                           ((+ ki 2 n2))
                                                           ((1 *)))
                                     1)))
                           (setf (f2cl-lib:fref work-%data%
                                                ((f2cl-lib:int-add j 1 n))
                                                ((1 *))
                                                work-%offset%)
                                   (-
                                    (f2cl-lib:fref work-%data%
                                                   ((f2cl-lib:int-add j 1 n))
                                                   ((1 *))
                                                   work-%offset%)
                                    (ddot (f2cl-lib:int-sub j ki 2)
                                     (f2cl-lib:array-slice t$
                                                           double-float
                                                           ((+ ki 2)
                                                            (f2cl-lib:int-add j
                                                                              1))
                                                           ((1 ldt) (1 *)))
                                     1
                                     (f2cl-lib:array-slice work
                                                           double-float
                                                           ((+ ki 2 n))
                                                           ((1 *)))
                                     1)))
                           (setf (f2cl-lib:fref work-%data%
                                                ((f2cl-lib:int-add j 1 n2))
                                                ((1 *))
                                                work-%offset%)
                                   (-
                                    (f2cl-lib:fref work-%data%
                                                   ((f2cl-lib:int-add j 1 n2))
                                                   ((1 *))
                                                   work-%offset%)
                                    (ddot (f2cl-lib:int-sub j ki 2)
                                     (f2cl-lib:array-slice t$
                                                           double-float
                                                           ((+ ki 2)
                                                            (f2cl-lib:int-add j
                                                                              1))
                                                           ((1 ldt) (1 *)))
                                     1
                                     (f2cl-lib:array-slice work
                                                           double-float
                                                           ((+ ki 2 n2))
                                                           ((1 *)))
                                     1)))
                           (multiple-value-bind
                                 (var-0 var-1 var-2 var-3 var-4 var-5 var-6
                                  var-7 var-8 var-9 var-10 var-11 var-12 var-13
                                  var-14 var-15 var-16 var-17)
                               (dlaln2 f2cl-lib:%true% 2 2 smin one
                                (f2cl-lib:array-slice t$
                                                      double-float
                                                      (j j)
                                                      ((1 ldt) (1 *)))
                                ldt one one
                                (f2cl-lib:array-slice work
                                                      double-float
                                                      ((+ j n))
                                                      ((1 *)))
                                n wr (- wi) x 2 scale xnorm ierr)
                             (declare (ignore var-0 var-1 var-2 var-3 var-4
                                              var-5 var-6 var-7 var-8 var-9
                                              var-10 var-11 var-12 var-13
                                              var-14))
                             (setf scale var-15)
                             (setf xnorm var-16)
                             (setf ierr var-17))
                           (cond
                             ((/= scale one)
                              (dscal
                               (f2cl-lib:int-add (f2cl-lib:int-sub n ki) 1)
                               scale
                               (f2cl-lib:array-slice work
                                                     double-float
                                                     ((+ ki n))
                                                     ((1 *)))
                               1)
                              (dscal
                               (f2cl-lib:int-add (f2cl-lib:int-sub n ki) 1)
                               scale
                               (f2cl-lib:array-slice work
                                                     double-float
                                                     ((+ ki n2))
                                                     ((1 *)))
                               1)))
                           (setf (f2cl-lib:fref work-%data%
                                                ((f2cl-lib:int-add j n))
                                                ((1 *))
                                                work-%offset%)
                                   (f2cl-lib:fref x (1 1) ((1 2) (1 2))))
                           (setf (f2cl-lib:fref work-%data%
                                                ((f2cl-lib:int-add j n2))
                                                ((1 *))
                                                work-%offset%)
                                   (f2cl-lib:fref x (1 2) ((1 2) (1 2))))
                           (setf (f2cl-lib:fref work-%data%
                                                ((f2cl-lib:int-add j 1 n))
                                                ((1 *))
                                                work-%offset%)
                                   (f2cl-lib:fref x (2 1) ((1 2) (1 2))))
                           (setf (f2cl-lib:fref work-%data%
                                                ((f2cl-lib:int-add j 1 n2))
                                                ((1 *))
                                                work-%offset%)
                                   (f2cl-lib:fref x (2 2) ((1 2) (1 2))))
                           (setf vmax
                                   (max
                                    (abs (f2cl-lib:fref x (1 1) ((1 2) (1 2))))
                                    (abs (f2cl-lib:fref x (1 2) ((1 2) (1 2))))
                                    (abs (f2cl-lib:fref x (2 1) ((1 2) (1 2))))
                                    (abs (f2cl-lib:fref x (2 2) ((1 2) (1 2))))
                                    vmax))
                           (setf vcrit (/ bignum vmax))))
                       label200))
                   label210
                    (cond
                      ((not over)
                       (dcopy (f2cl-lib:int-add (f2cl-lib:int-sub n ki) 1)
                        (f2cl-lib:array-slice work
                                              double-float
                                              ((+ ki n))
                                              ((1 *)))
                        1
                        (f2cl-lib:array-slice vl
                                              double-float
                                              (ki is)
                                              ((1 ldvl) (1 *)))
                        1)
                       (dcopy (f2cl-lib:int-add (f2cl-lib:int-sub n ki) 1)
                        (f2cl-lib:array-slice work
                                              double-float
                                              ((+ ki n2))
                                              ((1 *)))
                        1
                        (f2cl-lib:array-slice vl
                                              double-float
                                              (ki (f2cl-lib:int-add is 1))
                                              ((1 ldvl) (1 *)))
                        1)
                       (setf emax zero)
                       (f2cl-lib:fdo (k ki (f2cl-lib:int-add k 1))
                                     ((> k n) nil)
                         (tagbody
                           (setf emax
                                   (max emax
                                        (+
                                         (abs
                                          (f2cl-lib:fref vl-%data%
                                                         (k is)
                                                         ((1 ldvl) (1 *))
                                                         vl-%offset%))
                                         (abs
                                          (f2cl-lib:fref vl-%data%
                                                         (k
                                                          (f2cl-lib:int-add is
                                                                            1))
                                                         ((1 ldvl) (1 *))
                                                         vl-%offset%)))))
                          label220))
                       (setf remax (/ one emax))
                       (dscal (f2cl-lib:int-add (f2cl-lib:int-sub n ki) 1)
                        remax
                        (f2cl-lib:array-slice vl
                                              double-float
                                              (ki is)
                                              ((1 ldvl) (1 *)))
                        1)
                       (dscal (f2cl-lib:int-add (f2cl-lib:int-sub n ki) 1)
                        remax
                        (f2cl-lib:array-slice vl
                                              double-float
                                              (ki (f2cl-lib:int-add is 1))
                                              ((1 ldvl) (1 *)))
                        1)
                       (f2cl-lib:fdo (k 1 (f2cl-lib:int-add k 1))
                                     ((> k
                                         (f2cl-lib:int-add ki
                                                           (f2cl-lib:int-sub
                                                            1)))
                                      nil)
                         (tagbody
                           (setf (f2cl-lib:fref vl-%data%
                                                (k is)
                                                ((1 ldvl) (1 *))
                                                vl-%offset%)
                                   zero)
                           (setf (f2cl-lib:fref vl-%data%
                                                (k (f2cl-lib:int-add is 1))
                                                ((1 ldvl) (1 *))
                                                vl-%offset%)
                                   zero)
                          label230)))
                      (t
                       (cond
                         ((< ki (f2cl-lib:int-add n (f2cl-lib:int-sub 1)))
                          (dgemv "N" n (f2cl-lib:int-sub n ki 1) one
                           (f2cl-lib:array-slice vl
                                                 double-float
                                                 (1 (f2cl-lib:int-add ki 2))
                                                 ((1 ldvl) (1 *)))
                           ldvl
                           (f2cl-lib:array-slice work
                                                 double-float
                                                 ((+ ki 2 n))
                                                 ((1 *)))
                           1
                           (f2cl-lib:fref work-%data%
                                          ((f2cl-lib:int-add ki n))
                                          ((1 *))
                                          work-%offset%)
                           (f2cl-lib:array-slice vl
                                                 double-float
                                                 (1 ki)
                                                 ((1 ldvl) (1 *)))
                           1)
                          (dgemv "N" n (f2cl-lib:int-sub n ki 1) one
                           (f2cl-lib:array-slice vl
                                                 double-float
                                                 (1 (f2cl-lib:int-add ki 2))
                                                 ((1 ldvl) (1 *)))
                           ldvl
                           (f2cl-lib:array-slice work
                                                 double-float
                                                 ((+ ki 2 n2))
                                                 ((1 *)))
                           1
                           (f2cl-lib:fref work-%data%
                                          ((f2cl-lib:int-add ki 1 n2))
                                          ((1 *))
                                          work-%offset%)
                           (f2cl-lib:array-slice vl
                                                 double-float
                                                 (1 (f2cl-lib:int-add ki 1))
                                                 ((1 ldvl) (1 *)))
                           1))
                         (t
                          (dscal n
                           (f2cl-lib:fref work-%data%
                                          ((f2cl-lib:int-add ki n))
                                          ((1 *))
                                          work-%offset%)
                           (f2cl-lib:array-slice vl
                                                 double-float
                                                 (1 ki)
                                                 ((1 ldvl) (1 *)))
                           1)
                          (dscal n
                           (f2cl-lib:fref work-%data%
                                          ((f2cl-lib:int-add ki 1 n2))
                                          ((1 *))
                                          work-%offset%)
                           (f2cl-lib:array-slice vl
                                                 double-float
                                                 (1 (f2cl-lib:int-add ki 1))
                                                 ((1 ldvl) (1 *)))
                           1)))
                       (setf emax zero)
                       (f2cl-lib:fdo (k 1 (f2cl-lib:int-add k 1))
                                     ((> k n) nil)
                         (tagbody
                           (setf emax
                                   (max emax
                                        (+
                                         (abs
                                          (f2cl-lib:fref vl-%data%
                                                         (k ki)
                                                         ((1 ldvl) (1 *))
                                                         vl-%offset%))
                                         (abs
                                          (f2cl-lib:fref vl-%data%
                                                         (k
                                                          (f2cl-lib:int-add ki
                                                                            1))
                                                         ((1 ldvl) (1 *))
                                                         vl-%offset%)))))
                          label240))
                       (setf remax (/ one emax))
                       (dscal n remax
                        (f2cl-lib:array-slice vl
                                              double-float
                                              (1 ki)
                                              ((1 ldvl) (1 *)))
                        1)
                       (dscal n remax
                        (f2cl-lib:array-slice vl
                                              double-float
                                              (1 (f2cl-lib:int-add ki 1))
                                              ((1 ldvl) (1 *)))
                        1))))))
               (setf is (f2cl-lib:int-add is 1))
               (if (/= ip 0) (setf is (f2cl-lib:int-add is 1)))
              label250
               (if (= ip -1) (setf ip 0))
               (if (= ip 1) (setf ip -1))
              label260))))
        (go end_label)
       end_label
        (return
         (values nil nil nil nil nil nil nil nil nil nil nil m nil info))))))

(in-package #-gcl #:cl-user #+gcl "CL-USER")
#+#.(cl:if (cl:find-package '#:f2cl) '(and) '(or))
(eval-when (:load-toplevel :compile-toplevel :execute)
  (setf (gethash 'fortran-to-lisp::dtrevc
                 fortran-to-lisp::*f2cl-function-info*)
          (fortran-to-lisp::make-f2cl-finfo
           :arg-types '((simple-array character (1))
                        (simple-array character (1))
                        (array fortran-to-lisp::logical (*))
                        (fortran-to-lisp::integer4) (array double-float (*))
                        (fortran-to-lisp::integer4) (array double-float (*))
                        (fortran-to-lisp::integer4) (array double-float (*))
                        (fortran-to-lisp::integer4) (fortran-to-lisp::integer4)
                        (fortran-to-lisp::integer4) (array double-float (*))
                        (fortran-to-lisp::integer4))
           :return-values '(nil nil nil nil nil nil nil nil nil nil nil
                            fortran-to-lisp::m nil fortran-to-lisp::info)
           :calls '(fortran-to-lisp::ddot fortran-to-lisp::dgemv
                    fortran-to-lisp::idamax fortran-to-lisp::dcopy
                    fortran-to-lisp::daxpy fortran-to-lisp::dscal
                    fortran-to-lisp::dlaln2 fortran-to-lisp::dlabad
                    fortran-to-lisp::dlamch fortran-to-lisp::xerbla
                    fortran-to-lisp::lsame))))

