share/fftpack5/lisp/cfft2b.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 $")
   9
  10 ;;; Using Lisp CMU Common Lisp snapshot-2020-04 (21D Unicode)
  11 ;;;
  12 ;;; Options: ((:prune-labels nil) (:auto-save t) (:relaxed-array-decls t)
  13 ;;;           (:coerce-assigns :as-needed) (:array-type ':array)
  14 ;;;           (:array-slicing t) (:declare-common nil)
  15 ;;;           (:float-format single-float))
  16
  17 (in-package "FFTPACK5")
  18
  19
  20 (defun cfft2b (ldim l m c wsave lensav work lenwrk ier)
  21   (declare (type (array double-float (*)) work wsave)
  22            (type (array f2cl-lib:complex16 (*)) c)
  23            (type (f2cl-lib:integer4) ier lenwrk lensav m l ldim))
  24   (f2cl-lib:with-multi-array-data
  25       ((c f2cl-lib:complex16 c-%data% c-%offset%)
  26        (wsave double-float wsave-%data% wsave-%offset%)
  27        (work double-float work-%data% work-%offset%))
  28     (prog ((ier1 0) (log$ 0) (iw 0))
  29       (declare (type (f2cl-lib:integer4) iw log$ ier1))
  30       (setf ier 0)
  31       (cond
  32         ((> l ldim)
  33          (setf ier 5)
  34          (xerfft "CFFT2B" -2)
  35          (go label100))
  36         ((< lensav
  37             (f2cl-lib:int-add (f2cl-lib:int-mul 2 l)
  38                               (f2cl-lib:int
  39                                (f2cl-lib:f2cl/
  40                                 (f2cl-lib:flog (f2cl-lib:freal l))
  41                                 (f2cl-lib:flog 2.0d0)))
  42                               (f2cl-lib:int-mul 2 m)
  43                               (f2cl-lib:int
  44                                (f2cl-lib:f2cl/
  45                                 (f2cl-lib:flog (f2cl-lib:freal m))
  46                                 (f2cl-lib:flog 2.0d0)))
  47                               8))
  48          (setf ier 2)
  49          (xerfft "CFFT2B" 6)
  50          (go label100))
  51         ((< lenwrk (f2cl-lib:int-mul 2 l m))
  52          (setf ier 3)
  53          (xerfft "CFFT2B" 8)
  54          (go label100)))
  55       (setf iw
  56               (f2cl-lib:int-add (f2cl-lib:int-mul 2 l)
  57                                 (f2cl-lib:int
  58                                  (/ (f2cl-lib:flog (f2cl-lib:freal l))
  59                                     (f2cl-lib:flog 2.0d0)))
  60                                 3))
  61       (multiple-value-bind
  62             (var-0 var-1 var-2 var-3 var-4 var-5 var-6 var-7 var-8 var-9
  63              var-10)
  64           (cfftmb l 1 m ldim c
  65            (f2cl-lib:int-add (f2cl-lib:int-sub l 1)
  66                              (f2cl-lib:int-mul ldim (f2cl-lib:int-sub m 1))
  67                              1)
  68            (f2cl-lib:array-slice wsave-%data%
  69                                  double-float
  70                                  (iw)
  71                                  ((1 lensav))
  72                                  wsave-%offset%)
  73            (f2cl-lib:int-add (f2cl-lib:int-mul 2 m)
  74                              (f2cl-lib:int
  75                               (/ (f2cl-lib:flog (f2cl-lib:freal m))
  76                                  (f2cl-lib:flog 2.0d0)))
  77                              4)
  78            work (f2cl-lib:int-mul 2 l m) ier1)
  79         (declare (ignore var-0 var-1 var-2 var-3 var-4 var-5 var-6 var-7 var-8
  80                          var-9))
  81         (setf ier1 var-10))
  82       (cond
  83         ((/= ier1 0)
  84          (setf ier 20)
  85          (xerfft "CFFT2B" -5)
  86          (go label100)))
  87       (setf iw 1)
  88       (multiple-value-bind
  89             (var-0 var-1 var-2 var-3 var-4 var-5 var-6 var-7 var-8 var-9
  90              var-10)
  91           (cfftmb m ldim l 1 c
  92            (f2cl-lib:int-add (f2cl-lib:int-mul (f2cl-lib:int-sub m 1) ldim) l)
  93            (f2cl-lib:array-slice wsave-%data%
  94                                  double-float
  95                                  (iw)
  96                                  ((1 lensav))
  97                                  wsave-%offset%)
  98            (f2cl-lib:int-add (f2cl-lib:int-mul 2 l)
  99                              (f2cl-lib:int
 100                               (/ (f2cl-lib:flog (f2cl-lib:freal l))
 101                                  (f2cl-lib:flog 2.0d0)))
 102                              4)
 103            work (f2cl-lib:int-mul 2 m l) ier1)
 104         (declare (ignore var-0 var-1 var-2 var-3 var-4 var-5 var-6 var-7 var-8
 105                          var-9))
 106         (setf ier1 var-10))
 107       (cond
 108         ((/= ier1 0)
 109          (setf ier 20)
 110          (xerfft "CFFT2B" -5)))
 111      label100
 112       (go end_label)
 113      end_label
 114       (return (values nil nil nil nil nil nil nil nil ier)))))
 115
 116 (in-package #:cl-user)
 117 #+#.(cl:if (cl:find-package '#:f2cl) '(and) '(or))
 118 (eval-when (:load-toplevel :compile-toplevel :execute)
 119   (setf (gethash 'fortran-to-lisp::cfft2b
 120                  fortran-to-lisp::*f2cl-function-info*)
 121           (fortran-to-lisp::make-f2cl-finfo
 122            :arg-types '((fortran-to-lisp::integer4) (fortran-to-lisp::integer4)
 123                         (fortran-to-lisp::integer4)
 124                         (array fortran-to-lisp::complex16 (*))
 125                         (array double-float (*)) (fortran-to-lisp::integer4)
 126                         (array double-float (*)) (fortran-to-lisp::integer4)
 127                         (fortran-to-lisp::integer4))
 128            :return-values '(nil nil nil nil nil nil nil nil
 129                             fortran-to-lisp::ier)
 130            :calls '(fortran-to-lisp::cfftmb fortran-to-lisp::xerfft))))
 131