share/fftpack5/lisp/cfftmf.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 cfftmf (lot jump n inc c lenc wsave lensav work lenwrk ier)
  21   (declare (type (array double-float (*)) work wsave)
  22            (type (array f2cl-lib:complex16 (*)) c)
  23            (type (f2cl-lib:integer4) ier lenwrk lensav lenc inc n jump lot))
  24   (f2cl-lib:with-multi-array-data
  25       ((c f2cl-lib:complex16 c-%data% c-%offset%)
  26        (wsave double-float wsave-%data% wsave-%offset%)
  27        (work double-float work-%data% work-%offset%))
  28     (prog ((iw1 0))
  29       (declare (type (f2cl-lib:integer4) iw1))
  30       (setf ier 0)
  31       (cond
  32         ((< lenc
  33             (f2cl-lib:int-add
  34              (f2cl-lib:int-mul (f2cl-lib:int-add lot (f2cl-lib:int-sub 1))
  35                                jump)
  36              (f2cl-lib:int-mul inc (f2cl-lib:int-add n (f2cl-lib:int-sub 1)))
  37              1))
  38          (setf ier 1)
  39          (xerfft "CFFTMF " 6))
  40         ((< lensav
  41             (f2cl-lib:int-add (f2cl-lib:int-mul 2 n)
  42                               (f2cl-lib:int
  43                                (f2cl-lib:f2cl/
  44                                 (f2cl-lib:flog (f2cl-lib:freal n))
  45                                 (f2cl-lib:flog 2.0d0)))
  46                               4))
  47          (setf ier 2)
  48          (xerfft "CFFTMF " 8))
  49         ((< lenwrk (f2cl-lib:int-mul 2 lot n))
  50          (setf ier 3)
  51          (xerfft "CFFTMF " 10))
  52         ((not (xercon inc jump n lot))
  53          (setf ier 4)
  54          (xerfft "CFFTMF " -1)))
  55       (if (= n 1) (go end_label))
  56       (setf iw1 (f2cl-lib:int-add n n 1))
  57       (cmfm1f lot jump n inc c work wsave
  58        (f2cl-lib:fref wsave-%data% (iw1) ((1 lensav)) wsave-%offset%)
  59        (f2cl-lib:array-slice wsave-%data%
  60                              double-float
  61                              ((+ iw1 1))
  62                              ((1 lensav))
  63                              wsave-%offset%))
  64       (go end_label)
  65      end_label
  66       (return (values nil nil nil nil nil nil nil nil nil nil ier)))))
  67
  68 (in-package #:cl-user)
  69 #+#.(cl:if (cl:find-package '#:f2cl) '(and) '(or))
  70 (eval-when (:load-toplevel :compile-toplevel :execute)
  71   (setf (gethash 'fortran-to-lisp::cfftmf
  72                  fortran-to-lisp::*f2cl-function-info*)
  73           (fortran-to-lisp::make-f2cl-finfo
  74            :arg-types '((fortran-to-lisp::integer4) (fortran-to-lisp::integer4)
  75                         (fortran-to-lisp::integer4) (fortran-to-lisp::integer4)
  76                         (array fortran-to-lisp::complex16 (*))
  77                         (fortran-to-lisp::integer4) (array double-float (*))
  78                         (fortran-to-lisp::integer4) (array double-float (*))
  79                         (fortran-to-lisp::integer4)
  80                         (fortran-to-lisp::integer4))
  81            :return-values '(nil nil nil nil nil nil nil nil nil nil
  82                             fortran-to-lisp::ier)
  83            :calls '(fortran-to-lisp::cmfm1f fortran-to-lisp::xercon
  84                     fortran-to-lisp::xerfft))))
  85