share/fftpack5/lisp/cosqmf.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 cosqmf (lot jump n inc x lenx wsave lensav work lenwrk ier)
  21   (declare (type (array double-float (*)) work wsave x)
  22            (type (f2cl-lib:integer4) ier lenwrk lensav lenx inc n jump lot))
  23   (f2cl-lib:with-multi-array-data
  24       ((x double-float x-%data% x-%offset%)
  25        (wsave double-float wsave-%data% wsave-%offset%)
  26        (work double-float work-%data% work-%offset%))
  27     (prog ((ier1 0) (tsqx 0.0d0) (m 0) (ssqrt2 0.0d0) (lj 0))
  28       (declare (type (double-float) ssqrt2 tsqx)
  29                (type (f2cl-lib:integer4) lj m ier1))
  30       (setf ier 0)
  31       (cond
  32         ((< lenx
  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 "COSQMF" 6)
  40          (go label300))
  41         ((< lensav
  42             (f2cl-lib:int-add (f2cl-lib:int-mul 2 n)
  43                               (f2cl-lib:int
  44                                (f2cl-lib:f2cl/
  45                                 (f2cl-lib:flog (f2cl-lib:freal n))
  46                                 (f2cl-lib:flog 2.0d0)))
  47                               4))
  48          (setf ier 2)
  49          (xerfft "COSQMF" 8)
  50          (go label300))
  51         ((< lenwrk (f2cl-lib:int-mul lot n))
  52          (setf ier 3)
  53          (xerfft "COSQMF" 10)
  54          (go label300))
  55         ((not (xercon inc jump n lot))
  56          (setf ier 4)
  57          (xerfft "COSQMF" -1)
  58          (go label300)))
  59       (setf lj
  60               (f2cl-lib:int-add
  61                (f2cl-lib:int-mul (f2cl-lib:int-sub lot 1) jump)
  62                1))
  63       (f2cl-lib:arithmetic-if (f2cl-lib:int-sub n 2)
  64                               (go label102)
  65                               (go label101)
  66                               (go label103))
  67      label101
  68       (setf ssqrt2 (/ 1.0d0 (f2cl-lib:fsqrt 2.0d0)))
  69       (f2cl-lib:fdo (m 1 (f2cl-lib:int-add m jump))
  70                     ((> m lj) nil)
  71         (tagbody
  72           (setf tsqx
  73                   (* ssqrt2
  74                      (f2cl-lib:fref x-%data%
  75                                     (m 2)
  76                                     ((1 inc) (1 *))
  77                                     x-%offset%)))
  78           (setf (f2cl-lib:fref x-%data% (m 2) ((1 inc) (1 *)) x-%offset%)
  79                   (-
  80                    (* 0.5d0
  81                       (f2cl-lib:fref x-%data%
  82                                      (m 1)
  83                                      ((1 inc) (1 *))
  84                                      x-%offset%))
  85                    tsqx))
  86           (setf (f2cl-lib:fref x-%data% (m 1) ((1 inc) (1 *)) x-%offset%)
  87                   (+
  88                    (* 0.5d0
  89                       (f2cl-lib:fref x-%data%
  90                                      (m 1)
  91                                      ((1 inc) (1 *))
  92                                      x-%offset%))
  93                    tsqx))
  94          label201))
  95      label102
  96       (go end_label)
  97      label103
  98       (multiple-value-bind (var-0 var-1 var-2 var-3 var-4 var-5 var-6 var-7)
  99           (mcsqf1 lot jump n inc x wsave work ier1)
 100         (declare (ignore var-0 var-1 var-2 var-3 var-4 var-5 var-6))
 101         (setf ier1 var-7))
 102       (cond
 103         ((/= ier1 0)
 104          (setf ier 20)
 105          (xerfft "COSQMF" -5)))
 106      label300
 107       (go end_label)
 108      end_label
 109       (return (values nil nil nil nil nil nil nil nil nil nil ier)))))
 110
 111 (in-package #:cl-user)
 112 #+#.(cl:if (cl:find-package '#:f2cl) '(and) '(or))
 113 (eval-when (:load-toplevel :compile-toplevel :execute)
 114   (setf (gethash 'fortran-to-lisp::cosqmf
 115                  fortran-to-lisp::*f2cl-function-info*)
 116           (fortran-to-lisp::make-f2cl-finfo
 117            :arg-types '((fortran-to-lisp::integer4) (fortran-to-lisp::integer4)
 118                         (fortran-to-lisp::integer4) (fortran-to-lisp::integer4)
 119                         (array double-float (*)) (fortran-to-lisp::integer4)
 120                         (array double-float (*)) (fortran-to-lisp::integer4)
 121                         (array double-float (*)) (fortran-to-lisp::integer4)
 122                         (fortran-to-lisp::integer4))
 123            :return-values '(nil nil nil nil nil nil nil nil nil nil
 124                             fortran-to-lisp::ier)
 125            :calls '(fortran-to-lisp::mcsqf1 fortran-to-lisp::xercon
 126                     fortran-to-lisp::xerfft))))
 127