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File indexing completed on 2025-01-18 10:10:25
0001 // @(#)root/minuit2:$Id$ 0002 // Authors: M. Winkler, F. James, L. Moneta, A. Zsenei 2003-2005 0003 0004 /********************************************************************** 0005 * * 0006 * Copyright (c) 2005 LCG ROOT Math team, CERN/PH-SFT * 0007 * * 0008 **********************************************************************/ 0009 0010 #ifndef ROOT_Minuit2_MnPosDef 0011 #define ROOT_Minuit2_MnPosDef 0012 0013 namespace ROOT { 0014 0015 namespace Minuit2 { 0016 0017 class MinimumState; 0018 class MinimumError; 0019 class MnMachinePrecision; 0020 0021 /** 0022 Force the covariance matrix to be positive defined 0023 by adding extra terms in the diagonal 0024 */ 0025 class MnPosDef { 0026 0027 public: 0028 MnPosDef() {} 0029 0030 ~MnPosDef() {} 0031 0032 MinimumState operator()(const MinimumState &, const MnMachinePrecision &) const; 0033 MinimumError operator()(const MinimumError &, const MnMachinePrecision &) const; 0034 0035 private: 0036 }; 0037 0038 } // namespace Minuit2 0039 0040 } // namespace ROOT 0041 0042 #endif // ROOT_Minuit2_MnPosDef
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