|
5237
|
1 ## Copyright (C) 2005 Nicolo' Giorgetti |
|
|
2 ## |
|
|
3 ## This file is part of Octave. |
|
|
4 ## |
|
|
5 ## Octave is free software; you can redistribute it and/or modify it |
|
|
6 ## under the terms of the GNU General Public License as published by |
|
|
7 ## the Free Software Foundation; either version 2, or (at your option) |
|
|
8 ## any later version. |
|
|
9 ## |
|
|
10 ## Octave is distributed in the hope that it will be useful, but |
|
|
11 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
|
|
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
|
13 ## General Public License for more details. |
|
|
14 ## |
|
|
15 ## You should have received a copy of the GNU General Public License |
|
|
16 ## along with Octave; see the file COPYING. If not, write to the Free |
|
|
17 ## Software Foundation, 59 Temple Place - Suite 330, Boston, MA |
|
|
18 ## 02111-1307, USA. |
|
|
19 |
|
|
20 ## GLPKMEX - An Octave Interface for the GNU GLPK library |
|
|
21 ## |
|
|
22 ## This function is provided for compatibility with the old Matlab |
|
|
23 ## interface to GLPK. |
|
|
24 |
|
|
25 function [xopt, fopt, status, extra] = glpkmex (varargin) |
|
|
26 |
|
|
27 ## If there is no input output the version and syntax |
|
|
28 if (nargin < 4 || nargin > 11) |
|
|
29 usage ("[xopt, fopt, status, extra] = glpkmex (sense, c, a, b, ctype, lb, ub, vartype, param, lpsolver, savepb"); |
|
|
30 return; |
|
|
31 endif |
|
|
32 |
|
|
33 ## reorder args: |
|
|
34 ## |
|
|
35 ## glpkmex glpk |
|
|
36 ## |
|
|
37 ## 1 sense c |
|
|
38 ## 2 c a |
|
|
39 ## 3 a b |
|
|
40 ## 4 b lb |
|
|
41 ## 5 ctype ub |
|
|
42 ## 6 lb ctype |
|
|
43 ## 7 ub vartype |
|
|
44 ## 8 vartype sense |
|
|
45 ## 9 param param |
|
|
46 ## 10 lpsolver |
|
|
47 ## 11 savepb |
|
|
48 |
|
|
49 sense = varargin{1}; |
|
|
50 c = varargin{2}; |
|
|
51 a = varargin{3}; |
|
|
52 b = varargin{4}; |
|
|
53 |
|
|
54 nx = length (c); |
|
|
55 |
|
|
56 if (nargin > 4) |
|
|
57 ctype = varargin{5}; |
|
|
58 else |
|
|
59 ctype = repmat ("U", nx, 1); |
|
|
60 endif |
|
|
61 |
|
|
62 if (nargin > 5) |
|
|
63 lb = varargin{6}; |
|
|
64 else |
|
|
65 lb = repmat (-Inf, nx, 1); |
|
|
66 endif |
|
|
67 |
|
|
68 if (nargin > 6) |
|
|
69 ub = varargin{7}; |
|
|
70 else |
|
|
71 ub = repmat (Inf, nx, 1); |
|
|
72 endif |
|
|
73 |
|
|
74 if (nargin > 7) |
|
|
75 vartype = varargin{8}; |
|
|
76 else |
|
|
77 vartype = repmat ("C", nx, 1); |
|
|
78 endif |
|
|
79 |
|
|
80 if (nargin > 8) |
|
|
81 param = varargin{9}; |
|
|
82 else |
|
|
83 param = struct (); |
|
|
84 endif |
|
|
85 |
|
|
86 if (nargin > 9 && ! isfield (param, "lpsolver")) |
|
|
87 param.lpsolver = varargin{10}; |
|
|
88 endif |
|
|
89 |
|
|
90 if (nargin > 10 && ! isfield (param, "save")) |
|
|
91 param.lpsolver = varargin{11}; |
|
|
92 endif |
|
|
93 |
|
|
94 if (nargout == 0) |
|
|
95 glpk (c, a, b, lb, ub, ctype, vartype, sense, param); |
|
|
96 elseif (nargout == 1) |
|
|
97 xopt = glpk (c, a, b, lb, ub, ctype, vartype, sense, param); |
|
|
98 elseif (nargout == 2) |
|
|
99 [xopt, fopt] = glpk (c, a, b, lb, ub, ctype, vartype, sense, param); |
|
|
100 elseif (nargout == 3) |
|
|
101 [xopt, fopt, status] = ... |
|
|
102 glpk (c, a, b, lb, ub, ctype, vartype, sense, param); |
|
|
103 else |
|
|
104 [xopt, fopt, status, extra] = ... |
|
|
105 glpk (c, a, b, lb, ub, ctype, vartype, sense, param); |
|
|
106 endif |
|
|
107 |
|
|
108 endfunction |
