| 1 | /////////////////////////////////////////////////////////////////////////////////
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| 2 | //
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| 3 | // Levenberg - Marquardt non-linear minimization algorithm
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| 4 | // Copyright (C) 2004 Manolis Lourakis (lourakis at ics forth gr)
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| 5 | // Institute of Computer Science, Foundation for Research & Technology - Hellas
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| 6 | // Heraklion, Crete, Greece.
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| 7 | //
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| 8 | // This program is free software; you can redistribute it and/or modify
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| 9 | // it under the terms of the GNU General Public License as published by
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| 10 | // the Free Software Foundation; either version 2 of the License, or
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| 11 | // (at your option) any later version.
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| 12 | //
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| 13 | // This program is distributed in the hope that it will be useful,
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| 14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 16 | // GNU General Public License for more details.
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| 17 | //
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| 18 | /////////////////////////////////////////////////////////////////////////////////
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| 19 |
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| 20 | #ifndef _COMPILER_H_
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| 21 | #define _COMPILER_H_
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| 22 |
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| 23 | /* note: intel's icc defines both __ICC & __INTEL_COMPILER.
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| 24 | * Also, some compilers other than gcc define __GNUC__,
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| 25 | * therefore gcc should be checked last
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| 26 | */
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| 27 | #ifdef _MSC_VER
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| 28 | #define inline __inline // MSVC
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| 29 | #elif !defined(__ICC) && !defined(__INTEL_COMPILER) && !defined(__GNUC__)
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| 30 | #define inline // other than MSVC, ICC, GCC: define empty
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| 31 | #endif
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| 32 |
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| 33 | #ifdef _MSC_VER
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| 34 | #define LM_FINITE _finite // MSVC
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| 35 | #elif defined(__ICC) || defined(__INTEL_COMPILER) || defined(__GNUC__)
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| 36 | #define LM_FINITE finite // ICC, GCC
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| 37 | #else
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| 38 | #define LM_FINITE finite // other than MSVC, ICC, GCC, let's hope this will work
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| 39 | #endif
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| 40 |
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| 41 | #ifdef _MSC_VER
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| 42 | #define LM_ISINF(x) (!_finite(x) && !_isnan(x)) // MSVC
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| 43 | #elif defined(__ICC) || defined(__INTEL_COMPILER) || defined(__GNUC__)
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| 44 | #define LM_ISINF(x) isinf(x) // ICC, GCC
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| 45 | #else
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| 46 | #define LM_ISINF(x) isinf(x) // other than MSVC, ICC, GCC, let's hope this will work
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| 47 | #endif
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| 48 |
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| 49 | #endif /* _COMPILER_H_ */
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