Description of maxima_unicode_display in reference manual,
[maxima.git] / share / lbfgs / lb1.lisp
blob74781661a8b9fa9e3cdd9ddb5329d20bf4147c1c
1 ;;; Compiled by f2cl version:
2 ;;; ("f2cl1.l,v 1.215 2009/04/07 22:05:21 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 1.200 2009/01/19 02:38:17 rtoy Exp $"
7 ;;; "f2cl6.l,v 1.48 2008/08/24 00:56:27 rtoy Exp $"
8 ;;; "macros.l,v 1.112 2009/01/08 12:57:19 rtoy Exp $")
10 ;;; Using Lisp CMU Common Lisp 19f (19F)
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 :common-lisp-user)
20 (defun lb1 (iprint iter nfun gnorm n m x f g stp finish)
21 (declare (type f2cl-lib:logical finish)
22 (type (array double-float (*)) g x)
23 (type (double-float) stp f gnorm)
24 (type (f2cl-lib:integer4) m n nfun iter)
25 (type (array f2cl-lib:integer4 (*)) iprint))
26 (let ()
27 (symbol-macrolet ((mp (lb3-mp *lb3-common-block*)))
28 (f2cl-lib:with-multi-array-data
29 ((iprint f2cl-lib:integer4 iprint-%data% iprint-%offset%)
30 (x double-float x-%data% x-%offset%)
31 (g double-float g-%data% g-%offset%))
32 (prog nil
33 (cond
34 ((= iter 0)
35 (f2cl-lib:fformat mp
36 ("*************************************************"
37 "~%"))
38 (f2cl-lib:fformat mp
39 (" N=" 1 (("~5D")) " NUMBER OF CORRECTIONS="
40 1 (("~2D")) "~%" " INITIAL VALUES" "~%")
43 (f2cl-lib:fformat mp
44 (" F= " 1 (("~22,15,2,1,'*,,'DE")) " GNORM= "
45 1 (("~22,15,2,1,'*,,'DE")) "~%")
47 gnorm)
48 (cond
49 ((>= (f2cl-lib:fref iprint (2) ((1 2))) 1)
50 (f2cl-lib:fformat mp (" VECTOR X= " "~%"))
51 (f2cl-lib:fformat mp
52 (4 ("~2@T" 1 (("~22,15,2,1,'*,,'DE"))) "~%")
53 (do ((i 1 (f2cl-lib:int-add i 1))
54 (%ret nil))
55 ((> i n) (nreverse %ret))
56 (declare (type f2cl-lib:integer4 i))
57 (push
58 (f2cl-lib:fref x-%data%
59 (i)
60 ((1 n))
61 x-%offset%)
62 %ret)))
63 (f2cl-lib:fformat mp (" GRADIENT VECTOR G= " "~%"))
64 (f2cl-lib:fformat mp
65 (4 ("~2@T" 1 (("~22,15,2,1,'*,,'DE"))) "~%")
66 (do ((i 1 (f2cl-lib:int-add i 1))
67 (%ret nil))
68 ((> i n) (nreverse %ret))
69 (declare (type f2cl-lib:integer4 i))
70 (push
71 (f2cl-lib:fref g-%data%
72 (i)
73 ((1 n))
74 g-%offset%)
75 %ret)))))
76 (f2cl-lib:fformat mp
77 ("*************************************************"
78 "~%"))
79 (f2cl-lib:fformat mp
80 ("~%" " I NFN" "~5@T" "FUNC" "~20@T" "GNORM"
81 "~19@T" "STEPLENGTH" "~%" "~%")))
83 (if
84 (and
85 (= (f2cl-lib:fref iprint-%data% (1) ((1 2)) iprint-%offset%) 0)
86 (and (/= iter 1) (not finish)))
87 (go end_label))
88 (cond
89 ((/= (f2cl-lib:fref iprint (1) ((1 2))) 0)
90 (cond
91 ((or
93 (mod (f2cl-lib:int-add iter (f2cl-lib:int-sub 1))
94 (f2cl-lib:fref iprint (1) ((1 2))))
96 finish)
97 (if
98 (and
100 (f2cl-lib:fref iprint-%data% (2) ((1 2)) iprint-%offset%)
102 (> iter 1))
103 (f2cl-lib:fformat mp
104 ("~%" " I NFN" "~5@T" "FUNC" "~20@T"
105 "GNORM" "~19@T" "STEPLENGTH" "~%" "~%")))
106 (f2cl-lib:fformat mp
107 (2 (1 (("~4D")) "~1@T") "~3@T" 3
108 (1 (("~22,15,2,1,'*,,'DE")) "~2@T") "~%")
109 iter
110 nfun
112 gnorm
113 stp))
115 (go end_label))))
118 (and
119 (> (f2cl-lib:fref iprint-%data% (2) ((1 2)) iprint-%offset%)
121 finish)
122 (f2cl-lib:fformat mp
123 ("~%" " I NFN" "~5@T" "FUNC" "~20@T"
124 "GNORM" "~19@T" "STEPLENGTH" "~%" "~%")))
125 (f2cl-lib:fformat mp
126 (2 (1 (("~4D")) "~1@T") "~3@T" 3
127 (1 (("~22,15,2,1,'*,,'DE")) "~2@T") "~%")
128 iter
129 nfun
131 gnorm
132 stp)))
133 (cond
134 ((or (= (f2cl-lib:fref iprint (2) ((1 2))) 2)
135 (= (f2cl-lib:fref iprint (2) ((1 2))) 3))
136 (cond
137 (finish
138 (f2cl-lib:fformat mp (" FINAL POINT X= " "~%")))
140 (f2cl-lib:fformat mp (" VECTOR X= " "~%"))))
141 (f2cl-lib:fformat mp
142 (4 ("~2@T" 1 (("~22,15,2,1,'*,,'DE"))) "~%")
143 (do ((i 1 (f2cl-lib:int-add i 1))
144 (%ret nil))
145 ((> i n) (nreverse %ret))
146 (declare (type f2cl-lib:integer4 i))
147 (push
148 (f2cl-lib:fref x-%data%
150 ((1 n))
151 x-%offset%)
152 %ret)))
153 (cond
154 ((= (f2cl-lib:fref iprint (2) ((1 2))) 3)
155 (f2cl-lib:fformat mp (" GRADIENT VECTOR G= " "~%"))
156 (f2cl-lib:fformat mp
157 (4 ("~2@T" 1 (("~22,15,2,1,'*,,'DE")))
158 "~%")
159 (do ((i 1 (f2cl-lib:int-add i 1))
160 (%ret nil))
161 ((> i n) (nreverse %ret))
162 (declare (type f2cl-lib:integer4 i))
163 (push
164 (f2cl-lib:fref g-%data%
166 ((1 n))
167 g-%offset%)
168 %ret)))))))
169 (if finish
170 (f2cl-lib:fformat mp
171 ("~%"
172 " THE MINIMIZATION TERMINATED WITHOUT DETECTING ERRORS."
173 "~%" " IFLAG = 0" "~%")))))
174 (go end_label)
175 end_label
176 (return (values nil nil nil nil nil nil nil nil nil nil nil)))))))
178 (in-package #:cl-user)
179 #+#.(cl:if (cl:find-package '#:f2cl) '(and) '(or))
180 (eval-when (:load-toplevel :compile-toplevel :execute)
181 (setf (gethash 'fortran-to-lisp::lb1 fortran-to-lisp::*f2cl-function-info*)
182 (fortran-to-lisp::make-f2cl-finfo
183 :arg-types '((array fortran-to-lisp::integer4 (2))
184 (fortran-to-lisp::integer4) (fortran-to-lisp::integer4)
185 (double-float) (fortran-to-lisp::integer4)
186 (fortran-to-lisp::integer4) (array double-float (*))
187 (double-float) (array double-float (*)) (double-float)
188 fortran-to-lisp::logical)
189 :return-values '(nil nil nil nil nil nil nil nil nil nil nil)
190 :calls 'nil)))