share/colnew/lisp/vmonde.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 vmonde (rho coef k)
  21   (declare (type (f2cl-lib:integer4) k)
  22            (type (array double-float (*)) coef rho))
  23   (f2cl-lib:with-multi-array-data
  24       ((rho double-float rho-%data% rho-%offset%)
  25        (coef double-float coef-%data% coef-%offset%))
  26     (prog ((i 0) (ifac 0) (j 0) (km1 0) (kmi 0))
  27       (declare (type (f2cl-lib:integer4) kmi km1 j ifac i))
  28       (if (= k 1) (go end_label))
  29       (setf km1 (f2cl-lib:int-sub k 1))
  30       (f2cl-lib:fdo (i 1 (f2cl-lib:int-add i 1))
  31                     ((> i km1) nil)
  32         (tagbody
  33           (setf kmi (f2cl-lib:int-sub k i))
  34           (f2cl-lib:fdo (j 1 (f2cl-lib:int-add j 1))
  35                         ((> j kmi) nil)
  36             (tagbody
  37               (setf (f2cl-lib:fref coef-%data% (j) ((1 k)) coef-%offset%)
  38                       (/
  39                        (-
  40                         (f2cl-lib:fref coef-%data%
  41                                        ((f2cl-lib:int-add j 1))
  42                                        ((1 k))
  43                                        coef-%offset%)
  44                         (f2cl-lib:fref coef-%data% (j) ((1 k)) coef-%offset%))
  45                        (-
  46                         (f2cl-lib:fref rho-%data%
  47                                        ((f2cl-lib:int-add j i))
  48                                        ((1 k))
  49                                        rho-%offset%)
  50                         (f2cl-lib:fref rho-%data% (j) ((1 k)) rho-%offset%))))
  51              label10))))
  52      label10
  53       (setf ifac 1)
  54       (f2cl-lib:fdo (i 1 (f2cl-lib:int-add i 1))
  55                     ((> i km1) nil)
  56         (tagbody
  57           (setf kmi (f2cl-lib:int-sub (f2cl-lib:int-add k 1) i))
  58           (f2cl-lib:fdo (j 2 (f2cl-lib:int-add j 1))
  59                         ((> j kmi) nil)
  60             (tagbody
  61              label30
  62               (setf (f2cl-lib:fref coef-%data% (j) ((1 k)) coef-%offset%)
  63                       (- (f2cl-lib:fref coef-%data% (j) ((1 k)) coef-%offset%)
  64                          (*
  65                           (f2cl-lib:fref rho-%data%
  66                                          ((f2cl-lib:int-sub
  67                                            (f2cl-lib:int-add j i)
  68                                            1))
  69                                          ((1 k))
  70                                          rho-%offset%)
  71                           (f2cl-lib:fref coef-%data%
  72                                          ((f2cl-lib:int-sub j 1))
  73                                          ((1 k))
  74                                          coef-%offset%))))))
  75           (setf (f2cl-lib:fref coef-%data% (kmi) ((1 k)) coef-%offset%)
  76                   (* (f2cl-lib:dfloat ifac)
  77                      (f2cl-lib:fref coef-%data% (kmi) ((1 k)) coef-%offset%)))
  78           (setf ifac (f2cl-lib:int-mul ifac i))
  79          label40))
  80       (setf (f2cl-lib:fref coef-%data% (1) ((1 k)) coef-%offset%)
  81               (* (f2cl-lib:dfloat ifac)
  82                  (f2cl-lib:fref coef-%data% (1) ((1 k)) coef-%offset%)))
  83       (go end_label)
  84      end_label
  85       (return (values nil nil nil)))))
  86
  87 (in-package #-gcl #:cl-user #+gcl "CL-USER")
  88 #+#.(cl:if (cl:find-package '#:f2cl) '(and) '(or))
  89 (eval-when (:load-toplevel :compile-toplevel :execute)
  90   (setf (gethash 'fortran-to-lisp::vmonde
  91                  fortran-to-lisp::*f2cl-function-info*)
  92           (fortran-to-lisp::make-f2cl-finfo
  93            :arg-types '((array double-float (*)) (array double-float (*))
  94                         (fortran-to-lisp::integer4))
  95            :return-values '(nil nil nil)
  96            :calls 'nil)))
  97