newton_step.h

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/* This file is part of Cloudy and is copyright (C)1978-2022 by Gary J. Ferland and
 * others.  For conditions of distribution and use see copyright notice in license.txt */

#ifndef NEWTON_STEP_H_
#define NEWTON_STEP_H_

class GroupMap;

/* mole_co_priv.h */
bool newton_step(GroupMap &mole_map, const valarray<double> &oldmols, valarray<double> &newmols, realnum *eqerror, realnum *error, const long n, 
                                          double *rlimit, double *rmax, 
                                          valarray<double> &escale,
                                          void (*jacobn)(GroupMap &mole_map, 
                                                        const valarray<double> &b2vec,
                                                        double * const ervals, double * const amat,
                                                                                  const bool lgJac, bool *lgConserved));

typedef void (*error_print_t)(long, long, 
                                                                                                                        const valarray<double> &, 
                                                                                                                        const valarray<double> &);

int32 solve_system(const valarray<double> &a, valarray<double> &b, 
                                                                         long int n, error_print_t error_print);

#endif /* NEWTON_STEP_H_ */