;;; 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* ((one (f2cl-lib:cmplx 1.0d0 0.0d0)))
  (declare (type (f2cl-lib:complex16) one) (ignorable one))
  (defun zgehd2 (n ilo ihi a lda tau work info)
    (declare (type (array f2cl-lib:complex16 (*)) work tau a)
             (type (f2cl-lib:integer4) info lda ihi ilo n))
    (f2cl-lib:with-multi-array-data
        ((a f2cl-lib:complex16 a-%data% a-%offset%)
         (tau f2cl-lib:complex16 tau-%data% tau-%offset%)
         (work f2cl-lib:complex16 work-%data% work-%offset%))
      (prog ((alpha #C(0.0d0 0.0d0)) (i 0) (dconjg$ 0.0))
        (declare (type (single-float) dconjg$)
                 (type (f2cl-lib:complex16) alpha)
                 (type (f2cl-lib:integer4) i))
        (setf info 0)
        (cond
          ((< n 0)
           (setf info -1))
          ((or (< ilo 1)
               (> ilo
                  (max (the f2cl-lib:integer4 1) (the f2cl-lib:integer4 n))))
           (setf info -2))
          ((or
            (< ihi (min (the f2cl-lib:integer4 ilo) (the f2cl-lib:integer4 n)))
            (> ihi n))
           (setf info -3))
          ((< lda (max (the f2cl-lib:integer4 1) (the f2cl-lib:integer4 n)))
           (setf info -5)))
        (cond
          ((/= info 0)
           (xerbla "ZGEHD2" (f2cl-lib:int-sub info))
           (go end_label)))
        (f2cl-lib:fdo (i ilo (f2cl-lib:int-add i 1))
                      ((> i (f2cl-lib:int-add ihi (f2cl-lib:int-sub 1))) nil)
          (tagbody
            (setf alpha
                    (f2cl-lib:fref a-%data%
                                   ((f2cl-lib:int-add i 1) i)
                                   ((1 lda) (1 *))
                                   a-%offset%))
            (multiple-value-bind (var-0 var-1 var-2 var-3 var-4)
                (zlarfg (f2cl-lib:int-sub ihi i) alpha
                 (f2cl-lib:array-slice a-%data%
                                       f2cl-lib:complex16
                                       ((min (f2cl-lib:int-add i 2) n) i)
                                       ((1 lda) (1 *))
                                       a-%offset%)
                 1 (f2cl-lib:fref tau-%data% (i) ((1 *)) tau-%offset%))
              (declare (ignore var-0 var-2 var-3))
              (setf alpha var-1)
              (setf (f2cl-lib:fref tau-%data% (i) ((1 *)) tau-%offset%) var-4))
            (setf (f2cl-lib:fref a-%data%
                                 ((f2cl-lib:int-add i 1) i)
                                 ((1 lda) (1 *))
                                 a-%offset%)
                    one)
            (zlarf "Right" ihi (f2cl-lib:int-sub ihi i)
             (f2cl-lib:array-slice a-%data%
                                   f2cl-lib:complex16
                                   ((+ i 1) i)
                                   ((1 lda) (1 *))
                                   a-%offset%)
             1 (f2cl-lib:fref tau-%data% (i) ((1 *)) tau-%offset%)
             (f2cl-lib:array-slice a-%data%
                                   f2cl-lib:complex16
                                   (1 (f2cl-lib:int-add i 1))
                                   ((1 lda) (1 *))
                                   a-%offset%)
             lda work)
            (zlarf "Left" (f2cl-lib:int-sub ihi i) (f2cl-lib:int-sub n i)
             (f2cl-lib:array-slice a-%data%
                                   f2cl-lib:complex16
                                   ((+ i 1) i)
                                   ((1 lda) (1 *))
                                   a-%offset%)
             1
             (f2cl-lib:dconjg
              (f2cl-lib:fref tau-%data% (i) ((1 *)) tau-%offset%))
             (f2cl-lib:array-slice a-%data%
                                   f2cl-lib:complex16
                                   ((+ i 1) (f2cl-lib:int-add i 1))
                                   ((1 lda) (1 *))
                                   a-%offset%)
             lda work)
            (setf (f2cl-lib:fref a-%data%
                                 ((f2cl-lib:int-add i 1) i)
                                 ((1 lda) (1 *))
                                 a-%offset%)
                    alpha)
           label10))
        (go end_label)
       end_label
        (return (values nil nil nil nil nil nil 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::zgehd2
                 fortran-to-lisp::*f2cl-function-info*)
          (fortran-to-lisp::make-f2cl-finfo
           :arg-types '((fortran-to-lisp::integer4) (fortran-to-lisp::integer4)
                        (fortran-to-lisp::integer4)
                        (array fortran-to-lisp::complex16 (*))
                        (fortran-to-lisp::integer4)
                        (array fortran-to-lisp::complex16 (*))
                        (array fortran-to-lisp::complex16 (*))
                        (fortran-to-lisp::integer4))
           :return-values '(nil nil nil nil nil nil nil fortran-to-lisp::info)
           :calls '(fortran-to-lisp::zlarf fortran-to-lisp::zlarfg
                    fortran-to-lisp::xerbla))))

