Files
GoldenCheetah/levmar/compiler.h
Mark Liversedge d9b12d63f7 Alternative Levenberg-Marquardt algorithm
.. 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/
2018-08-08 14:34:35 +01:00

50 lines
1.8 KiB
C

/////////////////////////////////////////////////////////////////////////////////
//
// Levenberg - Marquardt non-linear 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.
//
/////////////////////////////////////////////////////////////////////////////////
#ifndef _COMPILER_H_
#define _COMPILER_H_
/* note: intel's icc defines both __ICC & __INTEL_COMPILER.
* Also, some compilers other than gcc define __GNUC__,
* therefore gcc should be checked last
*/
#ifdef _MSC_VER
#define inline __inline // MSVC
#elif !defined(__ICC) && !defined(__INTEL_COMPILER) && !defined(__GNUC__)
#define inline // other than MSVC, ICC, GCC: define empty
#endif
#ifdef _MSC_VER
#define LM_FINITE _finite // MSVC
#elif defined(__ICC) || defined(__INTEL_COMPILER) || defined(__GNUC__)
#define LM_FINITE finite // ICC, GCC
#else
#define LM_FINITE finite // other than MSVC, ICC, GCC, let's hope this will work
#endif
#ifdef _MSC_VER
#define LM_ISINF(x) (!_finite(x) && !_isnan(x)) // MSVC
#elif defined(__ICC) || defined(__INTEL_COMPILER) || defined(__GNUC__)
#define LM_ISINF(x) isinf(x) // ICC, GCC
#else
#define LM_ISINF(x) isinf(x) // other than MSVC, ICC, GCC, let's hope this will work
#endif
#endif /* _COMPILER_H_ */