share/fftpack5/lisp/cfft2i.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 $")
   9
  10 ;;; Using Lisp CMU Common Lisp snapshot-2020-04 (21D Unicode)
  11 ;;;
  12 ;;; Options: ((:prune-labels nil) (:auto-save t) (:relaxed-array-decls t)
  13 ;;;           (:coerce-assigns :as-needed) (:array-type ':array)
  14 ;;;           (:array-slicing t) (:declare-common nil)
  15 ;;;           (:float-format single-float))
  16
  17 (in-package "FFTPACK5")
  18
  19
  20 (defun cfft2i (l m wsave lensav ier)
  21   (declare (type (array double-float (*)) wsave)
  22            (type (f2cl-lib:integer4) ier lensav m l))
  23   (f2cl-lib:with-multi-array-data
  24       ((wsave double-float wsave-%data% wsave-%offset%))
  25     (prog ((ier1 0) (log$ 0))
  26       (declare (type (f2cl-lib:integer4) log$ ier1))
  27       (setf ier 0)
  28       (cond
  29         ((< lensav
  30             (f2cl-lib:int-add (f2cl-lib:int-mul 2 l)
  31                               (f2cl-lib:int
  32                                (f2cl-lib:f2cl/
  33                                 (f2cl-lib:flog (f2cl-lib:freal l))
  34                                 (f2cl-lib:flog 2.0d0)))
  35                               (f2cl-lib:int-mul 2 m)
  36                               (f2cl-lib:int
  37                                (f2cl-lib:f2cl/
  38                                 (f2cl-lib:flog (f2cl-lib:freal m))
  39                                 (f2cl-lib:flog 2.0d0)))
  40                               8))
  41          (setf ier 2)
  42          (xerfft "CFFT2I" 4)
  43          (go label100)))
  44       (multiple-value-bind (var-0 var-1 var-2 var-3)
  45           (cfftmi l
  46            (f2cl-lib:array-slice wsave-%data%
  47                                  double-float
  48                                  (1)
  49                                  ((1 lensav))
  50                                  wsave-%offset%)
  51            (f2cl-lib:int-add (f2cl-lib:int-mul 2 l)
  52                              (f2cl-lib:int
  53                               (/ (f2cl-lib:flog (f2cl-lib:freal l))
  54                                  (f2cl-lib:flog 2.0d0)))
  55                              4)
  56            ier1)
  57         (declare (ignore var-0 var-1 var-2))
  58         (setf ier1 var-3))
  59       (cond
  60         ((/= ier1 0)
  61          (setf ier 20)
  62          (xerfft "CFFT2I" -5)
  63          (go label100)))
  64       (multiple-value-bind (var-0 var-1 var-2 var-3)
  65           (cfftmi m
  66            (f2cl-lib:array-slice wsave-%data%
  67                                  double-float
  68                                  ((+ (f2cl-lib:int-mul 2 l)
  69                                      (f2cl-lib:int
  70                                       (f2cl-lib:f2cl/
  71                                        (f2cl-lib:flog (f2cl-lib:freal l))
  72                                        (f2cl-lib:flog 2.0d0)))
  73                                      3))
  74                                  ((1 lensav))
  75                                  wsave-%offset%)
  76            (f2cl-lib:int-add (f2cl-lib:int-mul 2 m)
  77                              (f2cl-lib:int
  78                               (/ (f2cl-lib:flog (f2cl-lib:freal m))
  79                                  (f2cl-lib:flog 2.0d0)))
  80                              4)
  81            ier1)
  82         (declare (ignore var-0 var-1 var-2))
  83         (setf ier1 var-3))
  84       (cond
  85         ((/= ier1 0)
  86          (setf ier 20)
  87          (xerfft "CFFT2I" -5)))
  88      label100
  89       (go end_label)
  90      end_label
  91       (return (values nil nil nil nil ier)))))
  92
  93 (in-package #:cl-user)
  94 #+#.(cl:if (cl:find-package '#:f2cl) '(and) '(or))
  95 (eval-when (:load-toplevel :compile-toplevel :execute)
  96   (setf (gethash 'fortran-to-lisp::cfft2i
  97                  fortran-to-lisp::*f2cl-function-info*)
  98           (fortran-to-lisp::make-f2cl-finfo
  99            :arg-types '((fortran-to-lisp::integer4) (fortran-to-lisp::integer4)
 100                         (array double-float (*)) (fortran-to-lisp::integer4)
 101                         (fortran-to-lisp::integer4))
 102            :return-values '(nil nil nil nil fortran-to-lisp::ier)
 103            :calls '(fortran-to-lisp::cfftmi fortran-to-lisp::xerfft))))
 104