1 /////////////////////////////////////////////////////////////////////////////////
2 //
3 //  Levenberg - Marquardt non-linear minimization algorithm
4 //  Copyright (C) 2009  Manolis Lourakis (lourakis at ics forth gr)
5 //  Institute of Computer Science, Foundation for Research & Technology - Hellas
6 //  Heraklion, Crete, Greece.
7 //
8 //  This program is free software; you can redistribute it and/or modify
9 //  it under the terms of the GNU General Public License as published by
10 //  the Free Software Foundation; either version 2 of the License, or
11 //  (at your option) any later version.
12 //
13 //  This program is distributed in the hope that it will be useful,
14 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
15 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 //  GNU General Public License for more details.
17 //
18 /////////////////////////////////////////////////////////////////////////////////
19 
20 /*******************************************************************************
21  * Wrappers for linear inequality constrained Levenberg-Marquardt minimization.
22  * The same core code is used with appropriate #defines to derive single and
23  * double precision versions, see also lmbleic_core.c
24  *******************************************************************************/
25 
26 #include <stdio.h>
27 #include <stdlib.h>
28 #include <math.h>
29 #include <float.h>
30 
31 #include "levmar.h"
32 #include "misc.h"
33 
34 
35 #ifndef HAVE_LAPACK
36 
37 #ifdef _MSC_VER
38 #pragma message("Linear inequalities constrained optimization requires LAPACK and was not compiled!")
39 #else
40 #warning Linear inequalities constrained optimization requires LAPACK and was not compiled!
41 #endif // _MSC_VER
42 
43 #else // LAPACK present
44 
45 #if !defined(LM_DBL_PREC) && !defined(LM_SNGL_PREC)
46 #error At least one of LM_DBL_PREC, LM_SNGL_PREC should be defined!
47 #endif
48 
49 
50 #ifdef LM_SNGL_PREC
51 /* single precision (float) definitions */
52 #define LM_REAL float
53 #define LM_PREFIX s
54 
55 #define LM_REAL_MAX FLT_MAX
56 #define LM_REAL_MIN -FLT_MAX
57 #define __SUBCNST(x) x##F
58 #define LM_CNST(x) __SUBCNST(x) // force substitution
59 
60 #include "lmbleic_core.c" // read in core code
61 
62 #undef LM_REAL
63 #undef LM_PREFIX
64 #undef LM_REAL_MAX
65 #undef LM_REAL_MIN
66 #undef __SUBCNST
67 #undef LM_CNST
68 #endif /* LM_SNGL_PREC */
69 
70 #ifdef LM_DBL_PREC
71 /* double precision definitions */
72 #define LM_REAL double
73 #define LM_PREFIX d
74 
75 #define LM_REAL_MAX DBL_MAX
76 #define LM_REAL_MIN -DBL_MAX
77 #define LM_CNST(x) (x)
78 
79 #include "lmbleic_core.c" // read in core code
80 
81 #undef LM_REAL
82 #undef LM_PREFIX
83 #undef LM_REAL_MAX
84 #undef LM_REAL_MIN
85 #undef LM_CNST
86 #endif /* LM_DBL_PREC */
87 
88 #endif /* HAVE_LAPACK */
89 
90