;;; Compiled by f2cl version:
;;; ("f2cl1.l,v c4abe8cf9af0 2011/11/24 07:12:32 toy $"
;;;  "f2cl2.l,v 96616d88fb7e 2008/02/22 22:19:34 rtoy $"
;;;  "f2cl3.l,v 96616d88fb7e 2008/02/22 22:19:34 rtoy $"
;;;  "f2cl4.l,v 96616d88fb7e 2008/02/22 22:19:34 rtoy $"
;;;  "f2cl5.l,v 11bea7dae5a0 2011/06/11 17:53:39 toy $"
;;;  "f2cl6.l,v 1d5cbacbb977 2008/08/24 00:56:27 rtoy $"
;;;  "macros.l,v c4abe8cf9af0 2011/11/24 07:12:32 toy $")

;;; Using Lisp CMU Common Lisp 20c release-20c (20C Unicode)
;;; 
;;; 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 single-float))

(in-package "LAPACK")


(let* ((zero (f2cl-lib:cmplx 0.0d0 0.0d0)) (rzero 0.0d0))
  (declare (type (f2cl-lib:complex16) zero)
           (type (double-float 0.0d0 0.0d0) rzero)
           (ignorable zero rzero))
  (defun zlaqr1 (n h ldh s1 s2 v)
    (declare (type (f2cl-lib:complex16) s2 s1)
             (type (array f2cl-lib:complex16 (*)) v h)
             (type (f2cl-lib:integer4) ldh n))
    (f2cl-lib:with-multi-array-data
        ((h f2cl-lib:complex16 h-%data% h-%offset%)
         (v f2cl-lib:complex16 v-%data% v-%offset%))
      (labels ((cabs1 (cdum)
                 (+ (abs (f2cl-lib:dble cdum)) (abs (f2cl-lib:dimag cdum)))))
        (declare (ftype (function (f2cl-lib:complex16)
                         (values double-float &rest t))
                        cabs1))
        (prog ((s 0.0d0) (cdum #C(0.0d0 0.0d0)) (h21s #C(0.0d0 0.0d0))
               (h31s #C(0.0d0 0.0d0)))
          (declare (type (double-float) s)
                   (type (f2cl-lib:complex16) cdum h21s h31s))
          (cond
            ((= n 2)
             (setf s
                     (+
                      (cabs1
                       (-
                        (f2cl-lib:fref h-%data%
                                       (1 1)
                                       ((1 ldh) (1 *))
                                       h-%offset%)
                        s2))
                      (cabs1
                       (f2cl-lib:fref h-%data%
                                      (2 1)
                                      ((1 ldh) (1 *))
                                      h-%offset%))))
             (cond
               ((= s rzero)
                (setf (f2cl-lib:fref v-%data% (1) ((1 *)) v-%offset%) zero)
                (setf (f2cl-lib:fref v-%data% (2) ((1 *)) v-%offset%) zero))
               (t
                (setf h21s
                        (/
                         (f2cl-lib:fref h-%data%
                                        (2 1)
                                        ((1 ldh) (1 *))
                                        h-%offset%)
                         s))
                (setf (f2cl-lib:fref v-%data% (1) ((1 *)) v-%offset%)
                        (+
                         (* h21s
                            (f2cl-lib:fref h-%data%
                                           (1 2)
                                           ((1 ldh) (1 *))
                                           h-%offset%))
                         (*
                          (-
                           (f2cl-lib:fref h-%data%
                                          (1 1)
                                          ((1 ldh) (1 *))
                                          h-%offset%)
                           s1)
                          (/
                           (-
                            (f2cl-lib:fref h-%data%
                                           (1 1)
                                           ((1 ldh) (1 *))
                                           h-%offset%)
                            s2)
                           s))))
                (setf (f2cl-lib:fref v-%data% (2) ((1 *)) v-%offset%)
                        (* h21s
                           (-
                            (+
                             (f2cl-lib:fref h-%data%
                                            (1 1)
                                            ((1 ldh) (1 *))
                                            h-%offset%)
                             (f2cl-lib:fref h-%data%
                                            (2 2)
                                            ((1 ldh) (1 *))
                                            h-%offset%))
                            s1
                            s2))))))
            (t
             (setf s
                     (+
                      (cabs1
                       (-
                        (f2cl-lib:fref h-%data%
                                       (1 1)
                                       ((1 ldh) (1 *))
                                       h-%offset%)
                        s2))
                      (cabs1
                       (f2cl-lib:fref h-%data%
                                      (2 1)
                                      ((1 ldh) (1 *))
                                      h-%offset%))
                      (cabs1
                       (f2cl-lib:fref h-%data%
                                      (3 1)
                                      ((1 ldh) (1 *))
                                      h-%offset%))))
             (cond
               ((= s zero)
                (setf (f2cl-lib:fref v-%data% (1) ((1 *)) v-%offset%) zero)
                (setf (f2cl-lib:fref v-%data% (2) ((1 *)) v-%offset%) zero)
                (setf (f2cl-lib:fref v-%data% (3) ((1 *)) v-%offset%) zero))
               (t
                (setf h21s
                        (/
                         (f2cl-lib:fref h-%data%
                                        (2 1)
                                        ((1 ldh) (1 *))
                                        h-%offset%)
                         s))
                (setf h31s
                        (/
                         (f2cl-lib:fref h-%data%
                                        (3 1)
                                        ((1 ldh) (1 *))
                                        h-%offset%)
                         s))
                (setf (f2cl-lib:fref v-%data% (1) ((1 *)) v-%offset%)
                        (+
                         (*
                          (-
                           (f2cl-lib:fref h-%data%
                                          (1 1)
                                          ((1 ldh) (1 *))
                                          h-%offset%)
                           s1)
                          (/
                           (-
                            (f2cl-lib:fref h-%data%
                                           (1 1)
                                           ((1 ldh) (1 *))
                                           h-%offset%)
                            s2)
                           s))
                         (*
                          (f2cl-lib:fref h-%data%
                                         (1 2)
                                         ((1 ldh) (1 *))
                                         h-%offset%)
                          h21s)
                         (*
                          (f2cl-lib:fref h-%data%
                                         (1 3)
                                         ((1 ldh) (1 *))
                                         h-%offset%)
                          h31s)))
                (setf (f2cl-lib:fref v-%data% (2) ((1 *)) v-%offset%)
                        (+
                         (* h21s
                            (-
                             (+
                              (f2cl-lib:fref h-%data%
                                             (1 1)
                                             ((1 ldh) (1 *))
                                             h-%offset%)
                              (f2cl-lib:fref h-%data%
                                             (2 2)
                                             ((1 ldh) (1 *))
                                             h-%offset%))
                             s1
                             s2))
                         (*
                          (f2cl-lib:fref h-%data%
                                         (2 3)
                                         ((1 ldh) (1 *))
                                         h-%offset%)
                          h31s)))
                (setf (f2cl-lib:fref v-%data% (3) ((1 *)) v-%offset%)
                        (+
                         (* h31s
                            (-
                             (+
                              (f2cl-lib:fref h-%data%
                                             (1 1)
                                             ((1 ldh) (1 *))
                                             h-%offset%)
                              (f2cl-lib:fref h-%data%
                                             (3 3)
                                             ((1 ldh) (1 *))
                                             h-%offset%))
                             s1
                             s2))
                         (* h21s
                            (f2cl-lib:fref h-%data%
                                           (3 2)
                                           ((1 ldh) (1 *))
                                           h-%offset%))))))))
         end_label
          (return (values nil nil nil nil nil nil)))))))

(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::zlaqr1
                 fortran-to-lisp::*f2cl-function-info*)
          (fortran-to-lisp::make-f2cl-finfo
           :arg-types '((fortran-to-lisp::integer4)
                        (array fortran-to-lisp::complex16 (*))
                        (fortran-to-lisp::integer4)
                        (fortran-to-lisp::complex16)
                        (fortran-to-lisp::complex16)
                        (array fortran-to-lisp::complex16 (*)))
           :return-values '(nil nil nil nil nil nil)
           :calls 'nil)))

