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+/////////////////////////////////////////////////////////////////////////////////
+////
+//// 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_ */