38 line
1.3 KiB
C++
38 line
1.3 KiB
C++
/**********************************************************
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This software is part of J.-S. Caux's ABACUS library.
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Copyright (c) J.-S. Caux.
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-----------------------------------------------------------
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File: ABACUS_Fitting.h
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Purpose: Defines functions for fitting: linear regression etc.
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***********************************************************/
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#ifndef ABACUS_FITTING_H
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#define ABACUS_FITTING_H
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namespace ABACUS {
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// Functions in src/FITTING directory
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void covsrt (SQMat_DP& covar, Vect<bool>& ia, const int mfit);
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void lin_reg (Vect_DP x, Vect_DP y, Vect_DP sigma, DP& a, DP& b, DP& chisq);
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void lin_reg (Vect_DP x, Vect_DP y, DP& a, DP& b, DP& chisq);
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void mrqmin (Vect_DP& x, Vect_DP& y, Vect_DP& sig, Vect_DP& a,
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Vect<bool>& ia, SQMat_DP& covar, SQMat_DP& alpha, DP& chisq,
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void funcs(const DP, Vect_DP&, DP&, Vect_DP&), DP& alambda);
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void mrqcof (Vect_DP& x, Vect_DP& y, Vect_DP& sig, Vect_DP& a,
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Vect<bool>& ia, SQMat_DP& alpha, Vect_DP& beta, DP& chisq,
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void funcs (const DP, Vect_DP&, DP&, Vect_DP&));
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// For interpolating:
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void polint(Vect_DP& xa, Vect_DP& ya, const DP x, DP& y, DP& dy);
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void polint(Vect_CX& xa, Vect_CX& ya, const std::complex<DP> x, std::complex<DP>& y, std::complex<DP>& dy);
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} // namespace ABACUS
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#endif
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