Add some basic letsimp tests based on bug #3950
[maxima.git] / share / lapack / blas / icamax.lisp
blob2a769aae6e4f8645521c0d31c2824cce41a22935
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 $")
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))
17 (in-package :blas)
20 (defun icamax (n cx incx)
21 (declare (type (array f2cl-lib:complex8 (*)) cx)
22 (type (f2cl-lib:integer4) incx n))
23 (f2cl-lib:with-multi-array-data
24 ((cx f2cl-lib:complex8 cx-%data% cx-%offset%))
25 (labels ((cabs1 (zdum)
26 (+ (abs (f2cl-lib:freal zdum)) (abs (f2cl-lib:aimag zdum)))))
27 (declare (ftype (function (f2cl-lib:complex8)
28 (values single-float &rest t))
29 cabs1))
30 (prog ((zdum #C(0.0f0 0.0f0)) (i 0) (ix 0) (smax 0.0f0) (icamax 0))
31 (declare (type (single-float) smax)
32 (type (f2cl-lib:integer4) icamax ix i)
33 (type (f2cl-lib:complex8) zdum))
34 (setf icamax 0)
35 (if (or (< n 1) (<= incx 0)) (go end_label))
36 (setf icamax 1)
37 (if (= n 1) (go end_label))
38 (if (= incx 1) (go label20))
39 (setf ix 1)
40 (setf smax (cabs1 (f2cl-lib:fref cx-%data% (1) ((1 *)) cx-%offset%)))
41 (setf ix (f2cl-lib:int-add ix incx))
42 (f2cl-lib:fdo (i 2 (f2cl-lib:int-add i 1))
43 ((> i n) nil)
44 (tagbody
45 (if
46 (<= (cabs1 (f2cl-lib:fref cx-%data% (ix) ((1 *)) cx-%offset%))
47 smax)
48 (go label5))
49 (setf icamax i)
50 (setf smax
51 (cabs1 (f2cl-lib:fref cx-%data% (ix) ((1 *)) cx-%offset%)))
52 label5
53 (setf ix (f2cl-lib:int-add ix incx))
54 label10))
55 (go end_label)
56 label20
57 (setf smax (cabs1 (f2cl-lib:fref cx-%data% (1) ((1 *)) cx-%offset%)))
58 (f2cl-lib:fdo (i 2 (f2cl-lib:int-add i 1))
59 ((> i n) nil)
60 (tagbody
61 (if
62 (<= (cabs1 (f2cl-lib:fref cx-%data% (i) ((1 *)) cx-%offset%))
63 smax)
64 (go label30))
65 (setf icamax i)
66 (setf smax
67 (cabs1 (f2cl-lib:fref cx-%data% (i) ((1 *)) cx-%offset%)))
68 label30))
69 (go end_label)
70 end_label
71 (return (values icamax nil nil nil))))))
73 (in-package #-gcl #:cl-user #+gcl "CL-USER")
74 #+#.(cl:if (cl:find-package '#:f2cl) '(and) '(or))
75 (eval-when (:load-toplevel :compile-toplevel :execute)
76 (setf (gethash 'fortran-to-lisp::icamax
77 fortran-to-lisp::*f2cl-function-info*)
78 (fortran-to-lisp::make-f2cl-finfo
79 :arg-types '((fortran-to-lisp::integer4)
80 (array fortran-to-lisp::complex8 (*))
81 (fortran-to-lisp::integer4))
82 :return-values '(nil nil nil)
83 :calls 'nil)))