;;; 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 dlahrd (n k nb a lda tau t$ ldt y ldy)
    (declare (type (array double-float (*)) y t$ tau a)
             (type (f2cl-lib:integer4) ldy ldt lda nb k n))
    (f2cl-lib:with-multi-array-data
        ((a double-float a-%data% a-%offset%)
         (tau double-float tau-%data% tau-%offset%)
         (t$ double-float t$-%data% t$-%offset%)
         (y double-float y-%data% y-%offset%))
      (prog ((ei 0.0) (i 0))
        (declare (type (double-float) ei) (type (f2cl-lib:integer4) i))
        (if (<= n 1) (go end_label))
        (f2cl-lib:fdo (i 1 (f2cl-lib:int-add i 1))
                      ((> i nb) nil)
          (tagbody
            (cond
              ((> i 1)
               (dgemv "No transpose" n (f2cl-lib:int-sub i 1) (- one) y ldy
                (f2cl-lib:array-slice a
                                      double-float
                                      ((+ k i (f2cl-lib:int-sub 1)) 1)
                                      ((1 lda) (1 *)))
                lda one
                (f2cl-lib:array-slice a double-float (1 i) ((1 lda) (1 *))) 1)
               (dcopy (f2cl-lib:int-sub i 1)
                (f2cl-lib:array-slice a
                                      double-float
                                      ((+ k 1) i)
                                      ((1 lda) (1 *)))
                1
                (f2cl-lib:array-slice t$ double-float (1 nb) ((1 ldt) (1 nb)))
                1)
               (dtrmv "Lower" "Transpose" "Unit" (f2cl-lib:int-sub i 1)
                (f2cl-lib:array-slice a
                                      double-float
                                      ((+ k 1) 1)
                                      ((1 lda) (1 *)))
                lda
                (f2cl-lib:array-slice t$ double-float (1 nb) ((1 ldt) (1 nb)))
                1)
               (dgemv "Transpose" (f2cl-lib:int-add (f2cl-lib:int-sub n k i) 1)
                (f2cl-lib:int-sub i 1) one
                (f2cl-lib:array-slice a
                                      double-float
                                      ((+ k i) 1)
                                      ((1 lda) (1 *)))
                lda
                (f2cl-lib:array-slice a
                                      double-float
                                      ((+ k i) i)
                                      ((1 lda) (1 *)))
                1 one
                (f2cl-lib:array-slice t$ double-float (1 nb) ((1 ldt) (1 nb)))
                1)
               (dtrmv "Upper" "Transpose" "Non-unit" (f2cl-lib:int-sub i 1) t$
                ldt
                (f2cl-lib:array-slice t$ double-float (1 nb) ((1 ldt) (1 nb)))
                1)
               (dgemv "No transpose"
                (f2cl-lib:int-add (f2cl-lib:int-sub n k i) 1)
                (f2cl-lib:int-sub i 1) (- one)
                (f2cl-lib:array-slice a
                                      double-float
                                      ((+ k i) 1)
                                      ((1 lda) (1 *)))
                lda
                (f2cl-lib:array-slice t$ double-float (1 nb) ((1 ldt) (1 nb)))
                1 one
                (f2cl-lib:array-slice a
                                      double-float
                                      ((+ k i) i)
                                      ((1 lda) (1 *)))
                1)
               (dtrmv "Lower" "No transpose" "Unit" (f2cl-lib:int-sub i 1)
                (f2cl-lib:array-slice a
                                      double-float
                                      ((+ k 1) 1)
                                      ((1 lda) (1 *)))
                lda
                (f2cl-lib:array-slice t$ double-float (1 nb) ((1 ldt) (1 nb)))
                1)
               (daxpy (f2cl-lib:int-sub i 1) (- one)
                (f2cl-lib:array-slice t$ double-float (1 nb) ((1 ldt) (1 nb)))
                1
                (f2cl-lib:array-slice a
                                      double-float
                                      ((+ k 1) i)
                                      ((1 lda) (1 *)))
                1)
               (setf (f2cl-lib:fref a-%data%
                                    ((f2cl-lib:int-sub (f2cl-lib:int-add k i)
                                                       1)
                                     (f2cl-lib:int-sub i 1))
                                    ((1 lda) (1 *))
                                    a-%offset%)
                       ei)))
            (multiple-value-bind (var-0 var-1 var-2 var-3 var-4)
                (dlarfg (f2cl-lib:int-add (f2cl-lib:int-sub n k i) 1)
                 (f2cl-lib:fref a-%data%
                                ((f2cl-lib:int-add k i) i)
                                ((1 lda) (1 *))
                                a-%offset%)
                 (f2cl-lib:array-slice a
                                       double-float
                                       ((min (f2cl-lib:int-add k i 1) n) i)
                                       ((1 lda) (1 *)))
                 1 (f2cl-lib:fref tau-%data% (i) ((1 nb)) tau-%offset%))
              (declare (ignore var-0 var-2 var-3))
              (setf (f2cl-lib:fref a-%data%
                                   ((f2cl-lib:int-add k i) i)
                                   ((1 lda) (1 *))
                                   a-%offset%)
                      var-1)
              (setf (f2cl-lib:fref tau-%data% (i) ((1 nb)) tau-%offset%)
                      var-4))
            (setf ei
                    (f2cl-lib:fref a-%data%
                                   ((f2cl-lib:int-add k i) i)
                                   ((1 lda) (1 *))
                                   a-%offset%))
            (setf (f2cl-lib:fref a-%data%
                                 ((f2cl-lib:int-add k i) i)
                                 ((1 lda) (1 *))
                                 a-%offset%)
                    one)
            (dgemv "No transpose" n
             (f2cl-lib:int-add (f2cl-lib:int-sub n k i) 1) one
             (f2cl-lib:array-slice a
                                   double-float
                                   (1 (f2cl-lib:int-add i 1))
                                   ((1 lda) (1 *)))
             lda
             (f2cl-lib:array-slice a double-float ((+ k i) i) ((1 lda) (1 *)))
             1 zero
             (f2cl-lib:array-slice y double-float (1 i) ((1 ldy) (1 nb))) 1)
            (dgemv "Transpose" (f2cl-lib:int-add (f2cl-lib:int-sub n k i) 1)
             (f2cl-lib:int-sub i 1) one
             (f2cl-lib:array-slice a double-float ((+ k i) 1) ((1 lda) (1 *)))
             lda
             (f2cl-lib:array-slice a double-float ((+ k i) i) ((1 lda) (1 *)))
             1 zero
             (f2cl-lib:array-slice t$ double-float (1 i) ((1 ldt) (1 nb))) 1)
            (dgemv "No transpose" n (f2cl-lib:int-sub i 1) (- one) y ldy
             (f2cl-lib:array-slice t$ double-float (1 i) ((1 ldt) (1 nb))) 1
             one (f2cl-lib:array-slice y double-float (1 i) ((1 ldy) (1 nb)))
             1)
            (dscal n (f2cl-lib:fref tau-%data% (i) ((1 nb)) tau-%offset%)
             (f2cl-lib:array-slice y double-float (1 i) ((1 ldy) (1 nb))) 1)
            (dscal (f2cl-lib:int-sub i 1)
             (- (f2cl-lib:fref tau-%data% (i) ((1 nb)) tau-%offset%))
             (f2cl-lib:array-slice t$ double-float (1 i) ((1 ldt) (1 nb))) 1)
            (dtrmv "Upper" "No transpose" "Non-unit" (f2cl-lib:int-sub i 1) t$
             ldt (f2cl-lib:array-slice t$ double-float (1 i) ((1 ldt) (1 nb)))
             1)
            (setf (f2cl-lib:fref t$-%data% (i i) ((1 ldt) (1 nb)) t$-%offset%)
                    (f2cl-lib:fref tau-%data% (i) ((1 nb)) tau-%offset%))
           label10))
        (setf (f2cl-lib:fref a-%data%
                             ((f2cl-lib:int-add k nb) nb)
                             ((1 lda) (1 *))
                             a-%offset%)
                ei)
        (go end_label)
       end_label
        (return (values nil nil nil nil 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::dlahrd
                 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 double-float (*))
                        (fortran-to-lisp::integer4) (array double-float (*))
                        (array double-float (*)) (fortran-to-lisp::integer4)
                        (array double-float (*)) (fortran-to-lisp::integer4))
           :return-values '(nil nil nil nil nil nil nil nil nil nil)
           :calls '(fortran-to-lisp::dscal fortran-to-lisp::dlarfg
                    fortran-to-lisp::daxpy fortran-to-lisp::dtrmv
                    fortran-to-lisp::dcopy fortran-to-lisp::dgemv))))

