share/hompack/lisp/qrslqf.lisp

   1 ;;; Compiled by f2cl version:
   2 ;;; ("f2cl1.l,v 95098eb54f13 2013/04/01 00:45:16 toy $"
   3 ;;;  "f2cl2.l,v 95098eb54f13 2013/04/01 00:45:16 toy $"
   4 ;;;  "f2cl3.l,v 96616d88fb7e 2008/02/22 22:19:34 rtoy $"
   5 ;;;  "f2cl4.l,v 96616d88fb7e 2008/02/22 22:19:34 rtoy $"
   6 ;;;  "f2cl5.l,v 95098eb54f13 2013/04/01 00:45:16 toy $"
   7 ;;;  "f2cl6.l,v 1d5cbacbb977 2008/08/24 00:56:27 rtoy $"
   8 ;;;  "macros.l,v 1409c1352feb 2013/03/24 20:44:50 toy $")
   9
  10 ;;; Using Lisp CMU Common Lisp snapshot-2020-04 (21D Unicode)
  11 ;;;
  12 ;;; Options: ((:prune-labels nil) (:auto-save t) (:relaxed-array-decls t)
  13 ;;;           (:coerce-assigns :as-needed) (:array-type ':array)
  14 ;;;           (:array-slicing t) (:declare-common nil)
  15 ;;;           (:float-format double-float))
  16
  17 (in-package "HOMPACK")
  18
  19
  20 (defun qrslqf (qt r b x n)
  21   (declare (type (f2cl-lib:integer4) n)
  22            (type (array double-float (*)) x b r qt))
  23   (f2cl-lib:with-multi-array-data
  24       ((qt double-float qt-%data% qt-%offset%)
  25        (r double-float r-%data% r-%offset%)
  26        (b double-float b-%data% b-%offset%)
  27        (x double-float x-%data% x-%offset%))
  28     (prog ((indexr 0) (i 0) (j 0) (tau 0.0))
  29       (declare (type (double-float) tau) (type (f2cl-lib:integer4) j i indexr))
  30       (f2cl-lib:fdo (i 1 (f2cl-lib:int-add i 1))
  31                     ((> i n) nil)
  32         (tagbody
  33           (setf (f2cl-lib:fref x-%data% (i) ((1 n)) x-%offset%)
  34                   (ddot n
  35                    (f2cl-lib:array-slice qt-%data%
  36                                          double-float
  37                                          (i 1)
  38                                          ((1 n) (1 n))
  39                                          qt-%offset%)
  40                    n b 1))
  41          label10))
  42       (setf indexr (the f2cl-lib:integer4 (truncate (* n (+ n 1)) 2)))
  43       (setf (f2cl-lib:fref b-%data% (n) ((1 n)) b-%offset%)
  44               (/ (f2cl-lib:fref x-%data% (n) ((1 n)) x-%offset%)
  45                  (f2cl-lib:fref r-%data%
  46                                 (indexr)
  47                                 ((1
  48                                   (f2cl-lib:f2cl/
  49                                    (f2cl-lib:int-mul n (f2cl-lib:int-add n 1))
  50                                    2)))
  51                                 r-%offset%)))
  52       (setf indexr (f2cl-lib:int-sub indexr 1))
  53       (f2cl-lib:fdo (i (f2cl-lib:int-add n (f2cl-lib:int-sub 1))
  54                      (f2cl-lib:int-add i (f2cl-lib:int-sub 1)))
  55                     ((> i 1) nil)
  56         (tagbody
  57           (setf tau (f2cl-lib:fref x-%data% (i) ((1 n)) x-%offset%))
  58           (f2cl-lib:fdo (j n (f2cl-lib:int-add j (f2cl-lib:int-sub 1)))
  59                         ((> j (f2cl-lib:int-add i 1)) nil)
  60             (tagbody
  61               (setf tau
  62                       (- tau
  63                          (*
  64                           (f2cl-lib:fref r-%data%
  65                                          (indexr)
  66                                          ((1
  67                                            (f2cl-lib:f2cl/
  68                                             (f2cl-lib:int-mul n
  69                                                               (f2cl-lib:int-add
  70                                                                n
  71                                                                1))
  72                                             2)))
  73                                          r-%offset%)
  74                           (f2cl-lib:fref b-%data% (j) ((1 n)) b-%offset%))))
  75               (setf indexr (f2cl-lib:int-sub indexr 1))
  76              label20))
  77           (setf (f2cl-lib:fref b-%data% (i) ((1 n)) b-%offset%)
  78                   (/ tau
  79                      (f2cl-lib:fref r-%data%
  80                                     (indexr)
  81                                     ((1
  82                                       (f2cl-lib:f2cl/
  83                                        (f2cl-lib:int-mul n
  84                                                          (f2cl-lib:int-add n
  85                                                                            1))
  86                                        2)))
  87                                     r-%offset%)))
  88           (setf indexr (f2cl-lib:int-sub indexr 1))
  89          label30))
  90       (go end_label)
  91      end_label
  92       (return (values nil nil nil nil nil)))))
  93
  94 (in-package #:cl-user)
  95 #+#.(cl:if (cl:find-package '#:f2cl) '(and) '(or))
  96 (eval-when (:load-toplevel :compile-toplevel :execute)
  97   (setf (gethash 'fortran-to-lisp::qrslqf
  98                  fortran-to-lisp::*f2cl-function-info*)
  99           (fortran-to-lisp::make-f2cl-finfo
 100            :arg-types '((array double-float (*)) (array double-float (*))
 101                         (array double-float (*)) (array double-float (*))
 102                         (fortran-to-lisp::integer4))
 103            :return-values '(nil nil nil nil nil)
 104            :calls '(fortran-to-lisp::ddot))))
 105