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/////////////////////////////////////////////////////////////////////////////////
//
// Levenberg - Marquardt non-linear minimization algorithm
// Copyright (C) 2004-05 Manolis Lourakis (lourakis at ics forth gr)
// Institute of Computer Science, Foundation for Research & Technology - Hellas
// Heraklion, Crete, Greece.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
/////////////////////////////////////////////////////////////////////////////////
/********************************************************************************
* Miscelaneous functions for Levenberg-Marquardt nonlinear minimization. The
* same core code is used with appropriate #defines to derive single and double
* precision versions, see also misc_core.c
********************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <float.h>
#include "lm.h"
#include "misc.h"
#if !defined(LM_DBL_PREC) && !defined(LM_SNGL_PREC)
#error At least one of LM_DBL_PREC, LM_SNGL_PREC should be defined!
#endif
#ifdef LM_SNGL_PREC
/* single precision (float) definitions */
#define LM_REAL float
#define LM_PREFIX s
#define LM_REAL_EPSILON FLT_EPSILON
#define __SUBCNST(x) x##F
#define LM_CNST(x) __SUBCNST(x) // force substitution
#include "misc_core.c" // read in core code
#undef LM_REAL
#undef LM_PREFIX
#undef LM_REAL_EPSILON
#undef __SUBCNST
#undef LM_CNST
#endif /* LM_SNGL_PREC */
#ifdef LM_DBL_PREC
/* double precision definitions */
#define LM_REAL double
#define LM_PREFIX d
#define LM_REAL_EPSILON DBL_EPSILON
#define LM_CNST(x) (x)
#include "misc_core.c" // read in core code
#undef LM_REAL
#undef LM_PREFIX
#undef LM_REAL_EPSILON
#undef LM_CNST
#endif /* LM_DBL_PREC */
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