compiler.h

sparse bundle ajustment的源码

/////////////////////////////////////////////////////////////////////////////////
//// 
////  Compiler-specific definitions for sparse bundle adjustment based on the
////  Levenberg - Marquardt minimization algorithm
////  Copyright (C) 2004-2008 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 SBA_FINITE _finite // MSVC
#elif defined(__ICC) || defined(__INTEL_COMPILER) || defined(__GNUC__)
#define SBA_FINITE finite // ICC, GCC
#else
#define SBA_FINITE finite // other than MSVC, ICC, GCC, let's hope this will work
#endif 

#endif /* _COMPILER_H_ */