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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/
50 lines
1.8 KiB
C
50 lines
1.8 KiB
C
/////////////////////////////////////////////////////////////////////////////////
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//
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// Levenberg - Marquardt non-linear minimization algorithm
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// Copyright (C) 2004 Manolis Lourakis (lourakis at ics forth gr)
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// Institute of Computer Science, Foundation for Research & Technology - Hellas
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// Heraklion, Crete, Greece.
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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/////////////////////////////////////////////////////////////////////////////////
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#ifndef _COMPILER_H_
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#define _COMPILER_H_
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/* note: intel's icc defines both __ICC & __INTEL_COMPILER.
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* Also, some compilers other than gcc define __GNUC__,
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* therefore gcc should be checked last
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*/
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#ifdef _MSC_VER
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#define inline __inline // MSVC
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#elif !defined(__ICC) && !defined(__INTEL_COMPILER) && !defined(__GNUC__)
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#define inline // other than MSVC, ICC, GCC: define empty
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#endif
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#ifdef _MSC_VER
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#define LM_FINITE _finite // MSVC
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#elif defined(__ICC) || defined(__INTEL_COMPILER) || defined(__GNUC__)
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#define LM_FINITE finite // ICC, GCC
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#else
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#define LM_FINITE finite // other than MSVC, ICC, GCC, let's hope this will work
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#endif
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#ifdef _MSC_VER
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#define LM_ISINF(x) (!_finite(x) && !_isnan(x)) // MSVC
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#elif defined(__ICC) || defined(__INTEL_COMPILER) || defined(__GNUC__)
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#define LM_ISINF(x) isinf(x) // ICC, GCC
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#else
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#define LM_ISINF(x) isinf(x) // other than MSVC, ICC, GCC, let's hope this will work
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#endif
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#endif /* _COMPILER_H_ */
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