share/fftpack5/lisp/rfftmf.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 rfftmf (lot jump n inc r lenr wsave lensav work lenwrk ier)
  21   (declare (type (array double-float (*)) work wsave r)
  22            (type (f2cl-lib:integer4) ier lenwrk lensav lenr inc n jump lot))
  23   (f2cl-lib:with-multi-array-data
  24       ((r double-float r-%data% r-%offset%)
  25        (wsave double-float wsave-%data% wsave-%offset%)
  26        (work double-float work-%data% work-%offset%))
  27     (prog ()
  28       (declare)
  29       (setf ier 0)
  30       (cond
  31         ((< lenr
  32             (f2cl-lib:int-add
  33              (f2cl-lib:int-mul (f2cl-lib:int-add lot (f2cl-lib:int-sub 1))
  34                                jump)
  35              (f2cl-lib:int-mul inc (f2cl-lib:int-add n (f2cl-lib:int-sub 1)))
  36              1))
  37          (setf ier 1)
  38          (xerfft "RFFTMF " 6))
  39         ((< lensav
  40             (f2cl-lib:int-add n
  41                               (f2cl-lib:int
  42                                (f2cl-lib:f2cl/
  43                                 (f2cl-lib:flog (f2cl-lib:freal n))
  44                                 (f2cl-lib:flog 2.0d0)))
  45                               4))
  46          (setf ier 2)
  47          (xerfft "RFFTMF " 8))
  48         ((< lenwrk (f2cl-lib:int-mul lot n))
  49          (setf ier 3)
  50          (xerfft "RFFTMF " 10))
  51         ((not (xercon inc jump n lot))
  52          (setf ier 4)
  53          (xerfft "RFFTMF " -1)))
  54       (if (= n 1) (go end_label))
  55       (mrftf1 lot jump n inc r work wsave
  56        (f2cl-lib:array-slice wsave-%data%
  57                              double-float
  58                              ((+ n 1))
  59                              ((1 lensav))
  60                              wsave-%offset%))
  61       (go end_label)
  62      end_label
  63       (return (values nil nil nil nil nil nil nil nil nil nil ier)))))
  64
  65 (in-package #:cl-user)
  66 #+#.(cl:if (cl:find-package '#:f2cl) '(and) '(or))
  67 (eval-when (:load-toplevel :compile-toplevel :execute)
  68   (setf (gethash 'fortran-to-lisp::rfftmf
  69                  fortran-to-lisp::*f2cl-function-info*)
  70           (fortran-to-lisp::make-f2cl-finfo
  71            :arg-types '((fortran-to-lisp::integer4) (fortran-to-lisp::integer4)
  72                         (fortran-to-lisp::integer4) (fortran-to-lisp::integer4)
  73                         (array double-float (*)) (fortran-to-lisp::integer4)
  74                         (array double-float (*)) (fortran-to-lisp::integer4)
  75                         (array double-float (*)) (fortran-to-lisp::integer4)
  76                         (fortran-to-lisp::integer4))
  77            :return-values '(nil nil nil nil nil nil nil nil nil nil
  78                             fortran-to-lisp::ier)
  79            :calls '(fortran-to-lisp::mrftf1 fortran-to-lisp::xercon
  80                     fortran-to-lisp::xerfft))))
  81