mirror of
https://github.com/GoldenCheetah/GoldenCheetah.git
synced 2026-02-13 16:18:42 +00:00
d9b12d63f7
.. allows constrained fits .. this is a GPL lib that is included into the source tree to avoid adding another painful deendency. .. for details of the lib please see: http://users.ics.forth.gr/~lourakis/levmar/
76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
/////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Solution of linear systems involved in the Levenberg - Marquardt
|
|
// minimization algorithm
|
|
// Copyright (C) 2004 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.
|
|
//
|
|
/////////////////////////////////////////////////////////////////////////////////
|
|
|
|
/********************************************************************************
|
|
* LAPACK-based implementations for various linear system solvers. The same core
|
|
* code is used with appropriate #defines to derive single and double precision
|
|
* solver versions, see also Axb_core.c
|
|
********************************************************************************/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <math.h>
|
|
|
|
#include "levmar.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_DBL_PREC
|
|
/* double precision definitions */
|
|
#define LM_REAL double
|
|
#define LM_PREFIX d
|
|
#define LM_CNST(x) (x)
|
|
#ifndef HAVE_LAPACK
|
|
#include <float.h>
|
|
#define LM_REAL_EPSILON DBL_EPSILON
|
|
#endif
|
|
|
|
#include "Axb_core.c"
|
|
|
|
#undef LM_REAL
|
|
#undef LM_PREFIX
|
|
#undef LM_CNST
|
|
#undef LM_REAL_EPSILON
|
|
#endif /* LM_DBL_PREC */
|
|
|
|
#ifdef LM_SNGL_PREC
|
|
/* single precision (float) definitions */
|
|
#define LM_REAL float
|
|
#define LM_PREFIX s
|
|
#define __SUBCNST(x) x##F
|
|
#define LM_CNST(x) __SUBCNST(x) // force substitution
|
|
#ifndef HAVE_LAPACK
|
|
#define LM_REAL_EPSILON FLT_EPSILON
|
|
#endif
|
|
|
|
#include "Axb_core.c"
|
|
|
|
#undef LM_REAL
|
|
#undef LM_PREFIX
|
|
#undef __SUBCNST
|
|
#undef LM_CNST
|
|
#undef LM_REAL_EPSILON
|
|
#endif /* LM_SNGL_PREC */
|