share/fftpack5/lisp/rfft2i.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 rfft2i (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 ((lwsav 0) (mwsav 0) (ier1 0))
  26       (declare (type (f2cl-lib:integer4) ier1 mwsav lwsav))
  27       (setf ier 0)
  28       (setf lwsav
  29               (f2cl-lib:int-add l
  30                                 (f2cl-lib:int
  31                                  (f2cl-lib:flog (f2cl-lib:freal l)))
  32                                 4))
  33       (setf mwsav
  34               (f2cl-lib:int-add (f2cl-lib:int-mul 2 m)
  35                                 (f2cl-lib:int
  36                                  (f2cl-lib:flog (f2cl-lib:freal m)))
  37                                 4))
  38       (cond
  39         ((< lensav (f2cl-lib:int-add lwsav mwsav))
  40          (setf ier 2)
  41          (xerfft "RFFT2I" 4)
  42          (go label100)))
  43       (multiple-value-bind (var-0 var-1 var-2 var-3)
  44           (rfftmi l
  45            (f2cl-lib:array-slice wsave-%data%
  46                                  double-float
  47                                  (1)
  48                                  ((1 lensav))
  49                                  wsave-%offset%)
  50            (f2cl-lib:int-add l
  51                              (f2cl-lib:int (f2cl-lib:flog (f2cl-lib:freal l)))
  52                              4)
  53            ier1)
  54         (declare (ignore var-0 var-1 var-2))
  55         (setf ier1 var-3))
  56       (cond
  57         ((/= ier1 0)
  58          (setf ier 20)
  59          (xerfft "RFFT2I" -5)
  60          (go label100)))
  61       (multiple-value-bind (var-0 var-1 var-2 var-3)
  62           (cfftmi m
  63            (f2cl-lib:array-slice wsave-%data%
  64                                  double-float
  65                                  ((+ l
  66                                      (f2cl-lib:int
  67                                       (f2cl-lib:flog (f2cl-lib:freal l)))
  68                                      5))
  69                                  ((1 lensav))
  70                                  wsave-%offset%)
  71            (f2cl-lib:int-add (f2cl-lib:int-mul 2 m)
  72                              (f2cl-lib:int (f2cl-lib:flog (f2cl-lib:freal m)))
  73                              4)
  74            ier1)
  75         (declare (ignore var-0 var-1 var-2))
  76         (setf ier1 var-3))
  77       (cond
  78         ((/= ier1 0)
  79          (setf ier 20)
  80          (xerfft "RFFT2I" -5)))
  81      label100
  82       (go end_label)
  83      end_label
  84       (return (values nil nil nil nil ier)))))
  85
  86 (in-package #:cl-user)
  87 #+#.(cl:if (cl:find-package '#:f2cl) '(and) '(or))
  88 (eval-when (:load-toplevel :compile-toplevel :execute)
  89   (setf (gethash 'fortran-to-lisp::rfft2i
  90                  fortran-to-lisp::*f2cl-function-info*)
  91           (fortran-to-lisp::make-f2cl-finfo
  92            :arg-types '((fortran-to-lisp::integer4) (fortran-to-lisp::integer4)
  93                         (array double-float (*)) (fortran-to-lisp::integer4)
  94                         (fortran-to-lisp::integer4))
  95            :return-values '(nil nil nil nil fortran-to-lisp::ier)
  96            :calls '(fortran-to-lisp::cfftmi fortran-to-lisp::rfftmi
  97                     fortran-to-lisp::xerfft))))
  98