src/numerical/slatec/dbesj0.lisp

   1 ;;; Compiled by f2cl version:
   2 ;;; ("f2cl1.l,v 46c1f6a93b0d 2012/05/03 04:40:28 toy $"
   3 ;;;  "f2cl2.l,v 96616d88fb7e 2008/02/22 22:19:34 rtoy $"
   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 46c1f6a93b0d 2012/05/03 04:40:28 toy $"
   7 ;;;  "f2cl6.l,v 1d5cbacbb977 2008/08/24 00:56:27 rtoy $"
   8 ;;;  "macros.l,v fceac530ef0c 2011/11/26 04:02:26 toy $")
   9
  10 ;;; Using Lisp CMU Common Lisp snapshot-2012-04 (20C Unicode)
  11 ;;;
  12 ;;; Options: ((:prune-labels nil) (:auto-save t) (:relaxed-array-decls t)
  13 ;;;           (:coerce-assigns :as-needed) (:array-type ':simple-array)
  14 ;;;           (:array-slicing nil) (:declare-common nil)
  15 ;;;           (:float-format double-float))
  16
  17 (in-package :slatec)
  18
  19
  20 (let ((ntj0 0)
  21       (xsml 0.0)
  22       (bj0cs
  23        (make-array 19
  24                    :element-type 'double-float
  25                    :initial-contents '(0.10025416196893913 -0.6652230077644051
  26                                        0.2489837034982813 -0.03325272317003577
  27                                        0.0023114179304694017
  28                                        -9.911277419950809e-5
  29                                        2.891670864399881e-6
  30                                        -6.121085866303263e-8
  31                                        9.838650793856784e-10
  32                                        -1.2423551597301765e-11
  33                                        1.2654336302559046e-13
  34                                        -1.0619456495287245e-15
  35                                        7.470621075802456e-18
  36                                        -4.469703227441278e-20
  37                                        2.302428158433744e-22
  38                                        -1.0319144794166698e-24
  39                                        4.060817827487332e-27
  40                                        -1.4143836005240915e-29
  41                                        4.391090549669888e-32)))
  42       (first$ nil))
  43   (declare (type (f2cl-lib:integer4) ntj0)
  44            (type (double-float) xsml)
  45            (type (simple-array double-float (19)) bj0cs)
  46            (type f2cl-lib:logical first$))
  47   (setq first$ f2cl-lib:%true%)
  48   (defun dbesj0 (x)
  49     (declare (type (double-float) x))
  50     (prog ((ampl 0.0) (theta 0.0) (y 0.0) (dbesj0 0.0))
  51       (declare (type (double-float) dbesj0 y theta ampl))
  52       (cond
  53         (first$
  54          (setf ntj0
  55                  (initds bj0cs 19
  56                   (* 0.1f0 (f2cl-lib:freal (f2cl-lib:d1mach 3)))))
  57          (setf xsml (f2cl-lib:fsqrt (* 8.0 (f2cl-lib:d1mach 3))))))
  58       (setf first$ f2cl-lib:%false%)
  59       (setf y (abs x))
  60       (if (> y 4.0) (go label20))
  61       (setf dbesj0 1.0)
  62       (if (> y xsml) (setf dbesj0 (dcsevl (- (* 0.125 y y) 1.0) bj0cs ntj0)))
  63       (go end_label)
  64      label20
  65       (multiple-value-bind (var-0 var-1 var-2)
  66           (d9b0mp y ampl theta)
  67         (declare (ignore var-0))
  68         (setf ampl var-1)
  69         (setf theta var-2))
  70       (setf dbesj0 (* ampl (cos theta)))
  71       (go end_label)
  72      end_label
  73       (return (values dbesj0 nil)))))
  74
  75 (in-package #:cl-user)
  76 #+#.(cl:if (cl:find-package '#:f2cl) '(and) '(or))
  77 (eval-when (:load-toplevel :compile-toplevel :execute)
  78   (setf (gethash 'fortran-to-lisp::dbesj0
  79                  fortran-to-lisp::*f2cl-function-info*)
  80           (fortran-to-lisp::make-f2cl-finfo :arg-types '((double-float))
  81                                             :return-values '(nil)
  82                                             :calls '(fortran-to-lisp::d9b0mp
  83                                                      fortran-to-lisp::dcsevl
  84                                                      fortran-to-lisp::initds
  85                                                      fortran-to-lisp::d1mach))))
  86