share/colnew/ex2/fsub.lisp

   1 ;;; Compiled by f2cl version:
   2 ;;; ("f2cl1.l,v 1.221 2010/05/26 19:25:52 rtoy Exp $"
   3 ;;;  "f2cl2.l,v 1.37 2008/02/22 22:19:33 rtoy Exp $"
   4 ;;;  "f2cl3.l,v 1.6 2008/02/22 22:19:33 rtoy Exp $"
   5 ;;;  "f2cl4.l,v 1.7 2008/02/22 22:19:34 rtoy Exp $"
   6 ;;;  "f2cl5.l,v 1.204 2010/02/23 05:21:30 rtoy Exp $"
   7 ;;;  "f2cl6.l,v 1.48 2008/08/24 00:56:27 rtoy Exp $"
   8 ;;;  "macros.l,v 1.114 2010/05/17 01:42:14 rtoy Exp $")
   9
  10 ;;; Using Lisp CMU Common Lisp CVS Head 2010-05-25 18:21:07 (20A 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 double-float))
  16
  17 (in-package :colnew)
  18
  19
  20 (defun fsub (x z f)
  21   (declare (type (array double-float (*)) f)
  22            (type (array double-float (*)) z)
  23            (type double-float x))
  24   (let ()
  25     (symbol-macrolet ((gamma (%blank%-gamma *%blank%-common-block*))
  26                       (eps4mu (%blank%-eps4mu *%blank%-common-block*))
  27                       (dmu (%blank%-dmu *%blank%-common-block*)))
  28       (f2cl-lib:with-multi-array-data
  29           ((z double-float z-%data% z-%offset%)
  30            (f double-float f-%data% f-%offset%))
  31         (prog ()
  32           (declare)
  33           (setf (f2cl-lib:fref f-%data% (1) ((1 2)) f-%offset%)
  34                   (+
  35                    (/ (/ (f2cl-lib:fref z-%data% (1) ((1 4)) z-%offset%) x) x)
  36                    (/ (- (f2cl-lib:fref z-%data% (2) ((1 4)) z-%offset%)) x)
  37                    (/
  38                     (+
  39                      (- (f2cl-lib:fref z-%data% (1) ((1 4)) z-%offset%)
  40                         (* (f2cl-lib:fref z-%data% (3) ((1 4)) z-%offset%)
  41                            (+ 1.0f0
  42                               (/
  43                                (-
  44                                 (f2cl-lib:fref z-%data%
  45                                                (1)
  46                                                ((1 4))
  47                                                z-%offset%))
  48                                x))))
  49                      (* (- gamma) x (+ 1.0f0 (/ (* (- x) x) 2.0f0))))
  50                     eps4mu)))
  51           (setf (f2cl-lib:fref f-%data% (2) ((1 2)) f-%offset%)
  52                   (+
  53                    (/ (/ (f2cl-lib:fref z-%data% (3) ((1 4)) z-%offset%) x) x)
  54                    (/ (- (f2cl-lib:fref z-%data% (4) ((1 4)) z-%offset%)) x)
  55                    (/
  56                     (* (f2cl-lib:fref z-%data% (1) ((1 4)) z-%offset%)
  57                        (+ 1.0f0
  58                           (/
  59                            (/
  60                             (- (f2cl-lib:fref z-%data% (1) ((1 4)) z-%offset%))
  61                             2.0f0)
  62                            x)))
  63                     dmu)))
  64           (go end_label)
  65          end_label
  66           (return (values nil nil nil)))))))
  67
  68 (in-package #:cl-user)
  69 #+#.(cl:if (cl:find-package '#:f2cl) '(and) '(or))
  70 (eval-when (:load-toplevel :compile-toplevel :execute)
  71   (setf (gethash 'fortran-to-lisp::fsub fortran-to-lisp::*f2cl-function-info*)
  72           (fortran-to-lisp::make-f2cl-finfo
  73            :arg-types '(double-float (array double-float (4))
  74                         (array double-float (2)))
  75            :return-values '(nil nil nil)
  76            :calls 'nil)))
  77