src/numerical/slatec/initds.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 (defun initds (os nos eta)
  21   (declare (type (single-float) eta)
  22            (type (f2cl-lib:integer4) nos)
  23            (type (simple-array double-float (*)) os))
  24   (prog ((initds 0) (i 0) (ii 0) (err 0.0f0))
  25     (declare (type (single-float) err) (type (f2cl-lib:integer4) ii i initds))
  26     (if (< nos 1)
  27         (xermsg "SLATEC" "INITDS" "Number of coefficients is less than 1" 2 1))
  28     (setf err 0.0f0)
  29     (f2cl-lib:fdo (ii 1 (f2cl-lib:int-add ii 1))
  30                   ((> ii nos) nil)
  31       (tagbody
  32         (setf i (f2cl-lib:int-sub (f2cl-lib:int-add nos 1) ii))
  33         (setf err
  34                 (+ err (abs (f2cl-lib:freal (f2cl-lib:fref os (i) ((1 *)))))))
  35         (if (> err eta) (go label20))
  36        label10))
  37    label20
  38     (if (= i nos)
  39         (xermsg "SLATEC" "INITDS"
  40          "Chebyshev series too short for specified accuracy" 1 1))
  41     (setf initds i)
  42     (go end_label)
  43    end_label
  44     (return (values initds nil nil nil))))
  45
  46 (in-package #:cl-user)
  47 #+#.(cl:if (cl:find-package '#:f2cl) '(and) '(or))
  48 (eval-when (:load-toplevel :compile-toplevel :execute)
  49   (setf (gethash 'fortran-to-lisp::initds
  50                  fortran-to-lisp::*f2cl-function-info*)
  51           (fortran-to-lisp::make-f2cl-finfo
  52            :arg-types '((simple-array double-float (*))
  53                         (fortran-to-lisp::integer4) (single-float))
  54            :return-values '(nil nil nil)
  55            :calls '(fortran-to-lisp::xermsg))))
  56