share/odepack/src/dgesl.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 $")
   9
  10 ;;; Using Lisp CMU Common Lisp snapshot-2017-01 (21B Unicode)
  11 ;;;
  12 ;;; Options: ((:prune-labels nil) (:auto-save t) (:relaxed-array-decls t)
  13 ;;;           (:coerce-assigns :as-needed) (:array-type ':array)
  14 ;;;           (:array-slicing t) (:declare-common nil)
  15 ;;;           (:float-format double-float))
  16
  17 (in-package "ODEPACK")
  18
  19
  20 (defun dgesl (a lda n ipvt b job)
  21   (declare (type (array f2cl-lib:integer4 (*)) ipvt)
  22            (type (f2cl-lib:integer4) job n lda)
  23            (type (array double-float (*)) b a))
  24   (f2cl-lib:with-multi-array-data
  25       ((a double-float a-%data% a-%offset%)
  26        (b double-float b-%data% b-%offset%)
  27        (ipvt f2cl-lib:integer4 ipvt-%data% ipvt-%offset%))
  28     (prog ((k 0) (kb 0) (l 0) (nm1 0) (t$ 0.0))
  29       (declare (type (double-float) t$) (type (f2cl-lib:integer4) nm1 l kb k))
  30       (setf nm1 (f2cl-lib:int-sub n 1))
  31       (if (/= job 0) (go label50))
  32       (if (< nm1 1) (go label30))
  33       (f2cl-lib:fdo (k 1 (f2cl-lib:int-add k 1))
  34                     ((> k nm1) nil)
  35         (tagbody
  36           (setf l (f2cl-lib:fref ipvt-%data% (k) ((1 *)) ipvt-%offset%))
  37           (setf t$ (f2cl-lib:fref b-%data% (l) ((1 *)) b-%offset%))
  38           (if (= l k) (go label10))
  39           (setf (f2cl-lib:fref b-%data% (l) ((1 *)) b-%offset%)
  40                   (f2cl-lib:fref b-%data% (k) ((1 *)) b-%offset%))
  41           (setf (f2cl-lib:fref b-%data% (k) ((1 *)) b-%offset%) t$)
  42          label10
  43           (daxpy (f2cl-lib:int-sub n k) t$
  44            (f2cl-lib:array-slice a-%data%
  45                                  double-float
  46                                  ((+ k 1) k)
  47                                  ((1 lda) (1 *))
  48                                  a-%offset%)
  49            1
  50            (f2cl-lib:array-slice b-%data%
  51                                  double-float
  52                                  ((+ k 1))
  53                                  ((1 *))
  54                                  b-%offset%)
  55            1)
  56          label20))
  57      label30
  58       (f2cl-lib:fdo (kb 1 (f2cl-lib:int-add kb 1))
  59                     ((> kb n) nil)
  60         (tagbody
  61           (setf k (f2cl-lib:int-sub (f2cl-lib:int-add n 1) kb))
  62           (setf (f2cl-lib:fref b-%data% (k) ((1 *)) b-%offset%)
  63                   (/ (f2cl-lib:fref b-%data% (k) ((1 *)) b-%offset%)
  64                      (f2cl-lib:fref a-%data%
  65                                     (k k)
  66                                     ((1 lda) (1 *))
  67                                     a-%offset%)))
  68           (setf t$ (- (f2cl-lib:fref b-%data% (k) ((1 *)) b-%offset%)))
  69           (daxpy (f2cl-lib:int-sub k 1) t$
  70            (f2cl-lib:array-slice a-%data%
  71                                  double-float
  72                                  (1 k)
  73                                  ((1 lda) (1 *))
  74                                  a-%offset%)
  75            1
  76            (f2cl-lib:array-slice b-%data% double-float (1) ((1 *)) b-%offset%)
  77            1)
  78          label40))
  79       (go label100)
  80      label50
  81       (f2cl-lib:fdo (k 1 (f2cl-lib:int-add k 1))
  82                     ((> k n) nil)
  83         (tagbody
  84           (setf t$
  85                   (ddot (f2cl-lib:int-sub k 1)
  86                    (f2cl-lib:array-slice a-%data%
  87                                          double-float
  88                                          (1 k)
  89                                          ((1 lda) (1 *))
  90                                          a-%offset%)
  91                    1
  92                    (f2cl-lib:array-slice b-%data%
  93                                          double-float
  94                                          (1)
  95                                          ((1 *))
  96                                          b-%offset%)
  97                    1))
  98           (setf (f2cl-lib:fref b-%data% (k) ((1 *)) b-%offset%)
  99                   (/ (- (f2cl-lib:fref b-%data% (k) ((1 *)) b-%offset%) t$)
 100                      (f2cl-lib:fref a-%data%
 101                                     (k k)
 102                                     ((1 lda) (1 *))
 103                                     a-%offset%)))
 104          label60))
 105       (if (< nm1 1) (go label90))
 106       (f2cl-lib:fdo (kb 1 (f2cl-lib:int-add kb 1))
 107                     ((> kb nm1) nil)
 108         (tagbody
 109           (setf k (f2cl-lib:int-sub n kb))
 110           (setf (f2cl-lib:fref b-%data% (k) ((1 *)) b-%offset%)
 111                   (+ (f2cl-lib:fref b-%data% (k) ((1 *)) b-%offset%)
 112                      (ddot (f2cl-lib:int-sub n k)
 113                       (f2cl-lib:array-slice a-%data%
 114                                             double-float
 115                                             ((+ k 1) k)
 116                                             ((1 lda) (1 *))
 117                                             a-%offset%)
 118                       1
 119                       (f2cl-lib:array-slice b-%data%
 120                                             double-float
 121                                             ((+ k 1))
 122                                             ((1 *))
 123                                             b-%offset%)
 124                       1)))
 125           (setf l (f2cl-lib:fref ipvt-%data% (k) ((1 *)) ipvt-%offset%))
 126           (if (= l k) (go label70))
 127           (setf t$ (f2cl-lib:fref b-%data% (l) ((1 *)) b-%offset%))
 128           (setf (f2cl-lib:fref b-%data% (l) ((1 *)) b-%offset%)
 129                   (f2cl-lib:fref b-%data% (k) ((1 *)) b-%offset%))
 130           (setf (f2cl-lib:fref b-%data% (k) ((1 *)) b-%offset%) t$)
 131          label70
 132          label80))
 133      label90
 134      label100
 135       (go end_label)
 136      end_label
 137       (return (values nil nil nil nil nil nil)))))
 138
 139 (in-package #:cl-user)
 140 #+#.(cl:if (cl:find-package '#:f2cl) '(and) '(or))
 141 (eval-when (:load-toplevel :compile-toplevel :execute)
 142   (setf (gethash 'fortran-to-lisp::dgesl fortran-to-lisp::*f2cl-function-info*)
 143           (fortran-to-lisp::make-f2cl-finfo
 144            :arg-types '((array double-float (*)) (fortran-to-lisp::integer4)
 145                         (fortran-to-lisp::integer4)
 146                         (array fortran-to-lisp::integer4 (*))
 147                         (array double-float (*)) (fortran-to-lisp::integer4))
 148            :return-values '(nil nil nil nil nil nil)
 149            :calls '(fortran-to-lisp::ddot fortran-to-lisp::daxpy))))
 150