share/lapack/blas/izamax.lisp

   1 ;;; Compiled by f2cl version:
   2 ;;; ("f2cl1.l,v 2edcbd958861 2012/05/30 03:34:52 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 3fe93de3be82 2012/05/06 02:17:14 toy $"
   7 ;;;  "f2cl6.l,v 1d5cbacbb977 2008/08/24 00:56:27 rtoy $"
   8 ;;;  "macros.l,v 3fe93de3be82 2012/05/06 02:17:14 toy $")
   9
  10 ;;; Using Lisp CMU Common Lisp 20d (20D 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 :blas)
  18
  19
  20 (defun izamax (n zx incx)
  21   (declare (type (array f2cl-lib:complex16 (*)) zx)
  22            (type (f2cl-lib:integer4) incx n))
  23   (f2cl-lib:with-multi-array-data
  24       ((zx f2cl-lib:complex16 zx-%data% zx-%offset%))
  25     (prog ((i 0) (ix 0) (smax 0.0) (izamax 0))
  26       (declare (type (double-float) smax)
  27                (type (f2cl-lib:integer4) izamax ix i))
  28       (setf izamax 0)
  29       (if (or (< n 1) (<= incx 0)) (go end_label))
  30       (setf izamax 1)
  31       (if (= n 1) (go end_label))
  32       (if (= incx 1) (go label20))
  33       (setf ix 1)
  34       (setf smax (dcabs1 (f2cl-lib:fref zx-%data% (1) ((1 *)) zx-%offset%)))
  35       (setf ix (f2cl-lib:int-add ix incx))
  36       (f2cl-lib:fdo (i 2 (f2cl-lib:int-add i 1))
  37                     ((> i n) nil)
  38         (tagbody
  39           (if
  40            (<= (dcabs1 (f2cl-lib:fref zx-%data% (ix) ((1 *)) zx-%offset%))
  41                smax)
  42            (go label5))
  43           (setf izamax i)
  44           (setf smax
  45                   (dcabs1 (f2cl-lib:fref zx-%data% (ix) ((1 *)) zx-%offset%)))
  46          label5
  47           (setf ix (f2cl-lib:int-add ix incx))
  48          label10))
  49       (go end_label)
  50      label20
  51       (setf smax (dcabs1 (f2cl-lib:fref zx-%data% (1) ((1 *)) zx-%offset%)))
  52       (f2cl-lib:fdo (i 2 (f2cl-lib:int-add i 1))
  53                     ((> i n) nil)
  54         (tagbody
  55           (if
  56            (<= (dcabs1 (f2cl-lib:fref zx-%data% (i) ((1 *)) zx-%offset%)) smax)
  57            (go label30))
  58           (setf izamax i)
  59           (setf smax
  60                   (dcabs1 (f2cl-lib:fref zx-%data% (i) ((1 *)) zx-%offset%)))
  61          label30))
  62       (go end_label)
  63      end_label
  64       (return (values izamax nil nil nil)))))
  65
  66 (in-package #:cl-user)
  67 #+#.(cl:if (cl:find-package '#:f2cl) '(and) '(or))
  68 (eval-when (:load-toplevel :compile-toplevel :execute)
  69   (setf (gethash 'fortran-to-lisp::izamax
  70                  fortran-to-lisp::*f2cl-function-info*)
  71           (fortran-to-lisp::make-f2cl-finfo
  72            :arg-types '((fortran-to-lisp::integer4)
  73                         (array fortran-to-lisp::complex16 (*))
  74                         (fortran-to-lisp::integer4))
  75            :return-values '(nil nil nil)
  76            :calls '(fortran-to-lisp::dcabs1))))
  77