share/fftpack5/lisp/cosqb1.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 single-float))
  16
  17 (in-package "FFTPACK5")
  18
  19
  20 (defun cosqb1 (n inc x wsave work ier)
  21   (declare (type (array double-float (*)) work wsave x)
  22            (type (f2cl-lib:integer4) ier inc n))
  23   (f2cl-lib:with-multi-array-data
  24       ((x double-float x-%data% x-%offset%)
  25        (wsave double-float wsave-%data% wsave-%offset%)
  26        (work double-float work-%data% work-%offset%))
  27     (prog ((kc 0) (k 0) (ier1 0) (lnwk 0) (lnsv 0) (lenx 0) (modn 0)
  28            (xim1 0.0d0) (i 0) (np2 0) (ns2 0))
  29       (declare (type (double-float) xim1)
  30                (type (f2cl-lib:integer4) ns2 np2 i modn lenx lnsv lnwk ier1 k
  31                                          kc))
  32       (setf ier 0)
  33       (setf ns2 (the f2cl-lib:integer4 (truncate (+ n 1) 2)))
  34       (setf np2 (f2cl-lib:int-add n 2))
  35       (f2cl-lib:fdo (i 3 (f2cl-lib:int-add i 2))
  36                     ((> i n) nil)
  37         (tagbody
  38           (setf xim1
  39                   (+
  40                    (f2cl-lib:fref x-%data%
  41                                   (1 (f2cl-lib:int-sub i 1))
  42                                   ((1 inc) (1 *))
  43                                   x-%offset%)
  44                    (f2cl-lib:fref x-%data% (1 i) ((1 inc) (1 *)) x-%offset%)))
  45           (setf (f2cl-lib:fref x-%data% (1 i) ((1 inc) (1 *)) x-%offset%)
  46                   (* 0.5d0
  47                      (-
  48                       (f2cl-lib:fref x-%data%
  49                                      (1 (f2cl-lib:int-sub i 1))
  50                                      ((1 inc) (1 *))
  51                                      x-%offset%)
  52                       (f2cl-lib:fref x-%data%
  53                                      (1 i)
  54                                      ((1 inc) (1 *))
  55                                      x-%offset%))))
  56           (setf (f2cl-lib:fref x-%data%
  57                                (1 (f2cl-lib:int-sub i 1))
  58                                ((1 inc) (1 *))
  59                                x-%offset%)
  60                   (* 0.5d0 xim1))
  61          label101))
  62       (setf (f2cl-lib:fref x-%data% (1 1) ((1 inc) (1 *)) x-%offset%)
  63               (* 0.5d0
  64                  (f2cl-lib:fref x-%data% (1 1) ((1 inc) (1 *)) x-%offset%)))
  65       (setf modn (mod n 2))
  66       (if (/= modn 0) (go label302))
  67       (setf (f2cl-lib:fref x-%data% (1 n) ((1 inc) (1 *)) x-%offset%)
  68               (* 0.5d0
  69                  (f2cl-lib:fref x-%data% (1 n) ((1 inc) (1 *)) x-%offset%)))
  70      label302
  71       (setf lenx
  72               (f2cl-lib:int-add (f2cl-lib:int-mul inc (f2cl-lib:int-sub n 1))
  73                                 1))
  74       (setf lnsv
  75               (f2cl-lib:int-add n
  76                                 (f2cl-lib:int
  77                                  (/ (f2cl-lib:flog (f2cl-lib:freal n))
  78                                     (f2cl-lib:flog 2.0d0)))
  79                                 4))
  80       (setf lnwk n)
  81       (multiple-value-bind
  82             (var-0 var-1 var-2 var-3 var-4 var-5 var-6 var-7 var-8)
  83           (rfft1b n inc x lenx
  84            (f2cl-lib:array-slice wsave-%data%
  85                                  double-float
  86                                  ((+ n 1))
  87                                  ((1 *))
  88                                  wsave-%offset%)
  89            lnsv work lnwk ier1)
  90         (declare (ignore var-0 var-1 var-2 var-3 var-4 var-5 var-6 var-7))
  91         (setf ier1 var-8))
  92       (cond
  93         ((/= ier1 0)
  94          (setf ier 20)
  95          (xerfft "COSQB1" -5)
  96          (go label400)))
  97       (f2cl-lib:fdo (k 2 (f2cl-lib:int-add k 1))
  98                     ((> k ns2) nil)
  99         (tagbody
 100           (setf kc (f2cl-lib:int-sub np2 k))
 101           (setf (f2cl-lib:fref work-%data% (k) ((1 *)) work-%offset%)
 102                   (+
 103                    (*
 104                     (f2cl-lib:fref wsave-%data%
 105                                    ((f2cl-lib:int-sub k 1))
 106                                    ((1 *))
 107                                    wsave-%offset%)
 108                     (f2cl-lib:fref x-%data% (1 kc) ((1 inc) (1 *)) x-%offset%))
 109                    (*
 110                     (f2cl-lib:fref wsave-%data%
 111                                    ((f2cl-lib:int-sub kc 1))
 112                                    ((1 *))
 113                                    wsave-%offset%)
 114                     (f2cl-lib:fref x-%data%
 115                                    (1 k)
 116                                    ((1 inc) (1 *))
 117                                    x-%offset%))))
 118           (setf (f2cl-lib:fref work-%data% (kc) ((1 *)) work-%offset%)
 119                   (-
 120                    (*
 121                     (f2cl-lib:fref wsave-%data%
 122                                    ((f2cl-lib:int-sub k 1))
 123                                    ((1 *))
 124                                    wsave-%offset%)
 125                     (f2cl-lib:fref x-%data% (1 k) ((1 inc) (1 *)) x-%offset%))
 126                    (*
 127                     (f2cl-lib:fref wsave-%data%
 128                                    ((f2cl-lib:int-sub kc 1))
 129                                    ((1 *))
 130                                    wsave-%offset%)
 131                     (f2cl-lib:fref x-%data%
 132                                    (1 kc)
 133                                    ((1 inc) (1 *))
 134                                    x-%offset%))))
 135          label102))
 136       (if (/= modn 0) (go label305))
 137       (setf (f2cl-lib:fref x-%data%
 138                            (1 (f2cl-lib:int-add ns2 1))
 139                            ((1 inc) (1 *))
 140                            x-%offset%)
 141               (* (f2cl-lib:fref wsave-%data% (ns2) ((1 *)) wsave-%offset%)
 142                  (+
 143                   (f2cl-lib:fref x-%data%
 144                                  (1 (f2cl-lib:int-add ns2 1))
 145                                  ((1 inc) (1 *))
 146                                  x-%offset%)
 147                   (f2cl-lib:fref x-%data%
 148                                  (1 (f2cl-lib:int-add ns2 1))
 149                                  ((1 inc) (1 *))
 150                                  x-%offset%))))
 151      label305
 152       (f2cl-lib:fdo (k 2 (f2cl-lib:int-add k 1))
 153                     ((> k ns2) nil)
 154         (tagbody
 155           (setf kc (f2cl-lib:int-sub np2 k))
 156           (setf (f2cl-lib:fref x-%data% (1 k) ((1 inc) (1 *)) x-%offset%)
 157                   (+ (f2cl-lib:fref work-%data% (k) ((1 *)) work-%offset%)
 158                      (f2cl-lib:fref work-%data% (kc) ((1 *)) work-%offset%)))
 159           (setf (f2cl-lib:fref x-%data% (1 kc) ((1 inc) (1 *)) x-%offset%)
 160                   (- (f2cl-lib:fref work-%data% (k) ((1 *)) work-%offset%)
 161                      (f2cl-lib:fref work-%data% (kc) ((1 *)) work-%offset%)))
 162          label103))
 163       (setf (f2cl-lib:fref x-%data% (1 1) ((1 inc) (1 *)) x-%offset%)
 164               (+ (f2cl-lib:fref x-%data% (1 1) ((1 inc) (1 *)) x-%offset%)
 165                  (f2cl-lib:fref x-%data% (1 1) ((1 inc) (1 *)) x-%offset%)))
 166      label400
 167       (go end_label)
 168      end_label
 169       (return (values nil nil nil nil nil ier)))))
 170
 171 (in-package #:cl-user)
 172 #+#.(cl:if (cl:find-package '#:f2cl) '(and) '(or))
 173 (eval-when (:load-toplevel :compile-toplevel :execute)
 174   (setf (gethash 'fortran-to-lisp::cosqb1
 175                  fortran-to-lisp::*f2cl-function-info*)
 176           (fortran-to-lisp::make-f2cl-finfo
 177            :arg-types '((fortran-to-lisp::integer4) (fortran-to-lisp::integer4)
 178                         (array double-float (*)) (array double-float (*))
 179                         (array double-float (*)) (fortran-to-lisp::integer4))
 180            :return-values '(nil nil nil nil nil fortran-to-lisp::ier)
 181            :calls '(fortran-to-lisp::xerfft fortran-to-lisp::rfft1b))))
 182