multifit_nlin.hpp

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/*
 * $Id: multifit_nlin.hpp 309 2013-11-17 16:26:16Z jdl3 $
 * Copyright (C) 2010, 2011, 2012, 2016, 2020 John D Lamb
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
 
#ifndef CCGSL_MULTIFIT_NLIN_HPP
#define CCGSL_MULTIFIT_NLIN_HPP
#include<gsl/gsl_multifit_nlin.h>
#include"multifit_function.hpp"
#include"multifit_function_fdf.hpp"
 
#ifndef DOXYGEN_SKIP
namespace gsl {
  namespace multifit {
    inline int gradient( matrix const& J, vector const& f, vector& g ){
      return gsl_multifit_gradient( J.get(), f.get(), g.get() ); }
 
    inline int covar( matrix const& J, double epsrel, matrix& covar ){
      return gsl_multifit_covar( J.get(), epsrel, covar.get() ); }
    
    class fsolver {
    public:
      typedef gsl_multifit_fsolver_type type;
      fsolver(){
    ccgsl_pointer = 0;
    count = 0; // initially nullptr will do
      }
      // Refines random access container
      // Refines assignable
      explicit fsolver( type const* T, size_t const n, size_t const p ){
    ccgsl_pointer = gsl_multifit_fsolver_alloc( T, n, p );
    // just plausibly we could allocate fsolver but not count
    try { count = new size_t; } catch( std::bad_alloc& e ){
      // try to tidy up before rethrowing
      gsl_multifit_fsolver_free( ccgsl_pointer );
      throw e;
    }
    *count = 1; // initially there is just one reference to ccgsl_pointer
      }
      explicit fsolver( gsl_multifit_fsolver* v ){
    ccgsl_pointer = v;
    // just plausibly we could fail to allocate count: no further action needed.
    count = new size_t;
    *count = 1; // initially there is just one reference to ccgsl_pointer
      }
      // copy constructor
      fsolver( fsolver const& v ){ ccgsl_pointer = v.ccgsl_pointer;
    count = v.count; if( count != 0 ) ++*count; }
      // assignment operator
      fsolver& operator=( fsolver const& v ){
    // first, possibly delete anything pointed to by this
    if( count == 0 or --*count == 0 ){
      if( ccgsl_pointer != 0 ) gsl_multifit_fsolver_free( ccgsl_pointer );
      delete count;
    } // Then copy
    ccgsl_pointer = v.ccgsl_pointer; count = v.count; if( count != 0 ) ++*count; return *this;
      }
      // destructor
      ~fsolver(){
    if( count == 0 or --*count == 0 ){
      // could have allocated null pointer
      if( ccgsl_pointer != 0 ) gsl_multifit_fsolver_free( ccgsl_pointer );
      delete count;
    }
      }
#ifdef __GXX_EXPERIMENTAL_CXX0X__
      fsolver( fsolver&& v ) : ccgsl_pointer( v.ccgsl_pointer ), count( nullptr ){
    std::swap( count, v.count );
    v.ccgsl_pointer = nullptr;
      }
      fsolver& operator=( fsolver&& v ){
    fsolver( std::move( v ) ).swap( *this );
    return *this;
      }
#endif
      // Refines equality comparable
      // == operator
      bool operator==( fsolver const& v ) const { return ccgsl_pointer == v.ccgsl_pointer; }
      // != operator
      bool operator!=( fsolver const& v ) const { return not operator==( v ); }
      // Refines forward container
      // Refines less than comparable
      // operator<
      bool operator<( fsolver const& v ) const { return ccgsl_pointer < v.ccgsl_pointer; }
      // operator>
      bool operator>( fsolver const& v ) const { return ccgsl_pointer > v.ccgsl_pointer; }
      // operator<=
      bool operator<=( fsolver const& v ) const { return ccgsl_pointer <= v.ccgsl_pointer; }
      // operator>=
      bool operator>=( fsolver const& v ) const { return ccgsl_pointer >= v.ccgsl_pointer; }
      bool empty() const { return ccgsl_pointer == 0; }
      // swap() --- should work even if sizes don't match
      void swap( fsolver& v ){
    std::swap( ccgsl_pointer, v.ccgsl_pointer );
    std::swap( count, v.count );
      }
    private:
      gsl_multifit_fsolver* ccgsl_pointer;
      size_t* count;
    public:
      // shared reference functions
      gsl_multifit_fsolver* get() const { return ccgsl_pointer; }
      bool unique() const { return count != 0 and *count == 1; }
      size_t use_count() const { return count == 0 ? 0 : *count; }
#ifdef __GXX_EXPERIMENTAL_CXX0X__
      explicit
#endif
      operator bool() const { return ccgsl_pointer != 0; }
 
      inline static int set( fsolver& s, function* f, vector const& x ){
    int const result = gsl_multifit_fsolver_set( s.get(), f, x.get() );
    s.x_v.wrap_gsl_vector_without_ownership( s.get()->x );
    s.f_v.wrap_gsl_vector_without_ownership( s.get()->f );
    s.dx_v.wrap_gsl_vector_without_ownership( s.get()->dx );
    return result;
      }
      inline static int set( fsolver& s, function& f, vector const& x ){
    int const result = gsl_multifit_fsolver_set( s.get(), &f, x.get() );
    s.x_v.wrap_gsl_vector_without_ownership( s.get()->x );
    s.f_v.wrap_gsl_vector_without_ownership( s.get()->f );
    s.dx_v.wrap_gsl_vector_without_ownership( s.get()->dx );
    return result;
      }
 
      inline static int iterate( fsolver& s ){
    int const result = gsl_multifit_fsolver_iterate( s.get() );
    s.x_v.wrap_gsl_vector_without_ownership( s.get()->x );
    s.f_v.wrap_gsl_vector_without_ownership( s.get()->f );
    s.dx_v.wrap_gsl_vector_without_ownership( s.get()->dx );
    return result;
      }
 
      inline static int driver( fsolver& s, size_t const maxiter,
                double const epsabs, double const epsrel ){
    int const result = gsl_multifit_fsolver_driver( s.get(), maxiter, epsabs, epsrel ); 
    s.x_v.wrap_gsl_vector_without_ownership( s.get()->x );
    s.f_v.wrap_gsl_vector_without_ownership( s.get()->x );
    s.dx_v.wrap_gsl_vector_without_ownership( s.get()->dx );
    return result;
      }
 
      inline static std::string name( fsolver const& s ){
    return std::string( gsl_multifit_fsolver_name( s.get() ) ); }
 
      inline static vector position( fsolver const& s ){
    vector result( gsl_multifit_fsolver_position( s.get() ) );
    return result;
      }
 
      // Member functions
 
      int set( function* f, vector const& x ){
    int const result = gsl_multifit_fsolver_set( get(), f, x.get() );
    x_v.wrap_gsl_vector_without_ownership( get()->x );
    f_v.wrap_gsl_vector_without_ownership( get()->f );
    dx_v.wrap_gsl_vector_without_ownership( get()->dx );
    return result;
      }
      int set( function& f, vector const& x ){
    int const result = gsl_multifit_fsolver_set( get(), &f, x.get() );
    x_v.wrap_gsl_vector_without_ownership( get()->x );
    f_v.wrap_gsl_vector_without_ownership( get()->f );
    dx_v.wrap_gsl_vector_without_ownership( get()->dx );
    return result;
      }
 
      int iterate(){
    int const& result = gsl_multifit_fsolver_iterate( get() );
    x_v.wrap_gsl_vector_without_ownership( get()->x );
    f_v.wrap_gsl_vector_without_ownership( get()->f );
    dx_v.wrap_gsl_vector_without_ownership( get()->dx );
    return result;
      }
 
      int driver( const size_t maxiter,
          const double epsabs, const double epsrel ){
    int const& result = gsl_multifit_fsolver_driver( get(), maxiter, epsabs, epsrel );
    x_v.wrap_gsl_vector_without_ownership( get()->x );
    f_v.wrap_gsl_vector_without_ownership( get()->f );
    dx_v.wrap_gsl_vector_without_ownership( get()->dx );
    return result;
      }
 
      char const* name(){ return gsl_multifit_fsolver_name( get() ); }
 
      vector const& position(){
    p_v.wrap_gsl_vector_without_ownership( gsl_multifit_fsolver_position( get() ) );
    return p_v;
      }
      
      vector const& get_x(){ return x_v; }
      vector const& get_f(){ return f_v; }
      vector const& get_dx(){ return dx_v; }
    private:
      vector p_v;
      vector x_v;
      vector f_v;
      vector dx_v;
    public:
      // Solver types
      // None yet implemented in GSL
    };
 
    class fdfsolver {
    public:
      typedef gsl_multifit_fdfsolver_type type;
      fdfsolver(){
    ccgsl_pointer = 0;
    count = 0; // initially nullptr will do
      }
      // Refines random access container
      // Refines assignable
      explicit fdfsolver( type const* T, size_t const n, size_t const p ){
    ccgsl_pointer = gsl_multifit_fdfsolver_alloc( T, n, p );
    // just plausibly we could allocate fdfsolver but not count
    try { count = new size_t; } catch( std::bad_alloc& e ){
      // try to tidy up before rethrowing
      gsl_multifit_fdfsolver_free( ccgsl_pointer );
      throw e;
    }
    *count = 1; // initially there is just one reference to ccgsl_pointer
      }
      explicit fdfsolver( gsl_multifit_fdfsolver* v ){
    ccgsl_pointer = v;
    // just plausibly we could fail to allocate count: no further action needed.
    count = new size_t;
    *count = 1; // initially there is just one reference to ccgsl_pointer
      }
      // copy constructor
      fdfsolver( fdfsolver const& v ){ ccgsl_pointer = v.ccgsl_pointer;
    count = v.count; if( count != 0 ) ++*count; }
      // assignment operator
      fdfsolver& operator=( fdfsolver const& v ){
    // first, possibly delete anything pointed to by this
    if( count == 0 or --*count == 0 ){
      if( ccgsl_pointer != 0 ) gsl_multifit_fdfsolver_free( ccgsl_pointer );
      delete count;
    } // Then copy
    ccgsl_pointer = v.ccgsl_pointer; count = v.count; if( count != 0 ) ++*count; return *this;
      }
      // destructor
      ~fdfsolver(){
    if( count == 0 or --*count == 0 ){
      // could have allocated null pointer
      if( ccgsl_pointer != 0 ) gsl_multifit_fdfsolver_free( ccgsl_pointer );
      delete count;
    }
      }
#ifdef __GXX_EXPERIMENTAL_CXX0X__
      fdfsolver( fdfsolver&& v ) : ccgsl_pointer( v.ccgsl_pointer ), count( nullptr ){
    std::swap( count, v.count );
    v.ccgsl_pointer = nullptr;
      }
      fdfsolver& operator=( fdfsolver&& v ){
    fdfsolver( std::move( v ) ).swap( *this );
    return *this;
      }
#endif
      // Refines equality comparable
      // == operator
      bool operator==( fdfsolver const& v ) const { return ccgsl_pointer == v.ccgsl_pointer; }
      // != operator
      bool operator!=( fdfsolver const& v ) const { return not operator==( v ); }
      // Refines forward container
      // Refines less than comparable
      // operator<
      bool operator<( fdfsolver const& v ) const { return ccgsl_pointer < v.ccgsl_pointer; }
      // operator>
      bool operator>( fdfsolver const& v ) const { return ccgsl_pointer > v.ccgsl_pointer; }
      // operator<=
      bool operator<=( fdfsolver const& v ) const { return ccgsl_pointer <= v.ccgsl_pointer; }
      // operator>=
      bool operator>=( fdfsolver const& v ) const { return ccgsl_pointer >= v.ccgsl_pointer; }
      bool empty() const { return ccgsl_pointer == 0; }
      // swap() --- should work even if sizes don't match
      void swap( fdfsolver& v ){
    std::swap( ccgsl_pointer, v.ccgsl_pointer );
    std::swap( count, v.count );
      }
    private:
      gsl_multifit_fdfsolver* ccgsl_pointer;
      size_t* count;
    public:
      // shared reference functions
      gsl_multifit_fdfsolver* get() const { return ccgsl_pointer; }
      bool unique() const { return count != 0 and *count == 1; }
      size_t use_count() const { return count == 0 ? 0 : *count; }
#ifdef __GXX_EXPERIMENTAL_CXX0X__
      explicit
#endif
      operator bool() const { return ccgsl_pointer != 0; }
 
      inline static int set( fdfsolver& s, function_fdf* f, vector const& x ){
    int const result = gsl_multifit_fdfsolver_set( s.get(), f, x.get() );
    s.x_v.wrap_gsl_vector_without_ownership( s.get()->x );
    s.f_v.wrap_gsl_vector_without_ownership( s.get()->f );
    s.dx_v.wrap_gsl_vector_without_ownership( s.get()->dx );
    return result;
      }
      inline static int set( fdfsolver& s, function_fdf& f, vector const& x ){
    int const result = gsl_multifit_fdfsolver_set( s.get(), &f, x.get() );
    s.x_v.wrap_gsl_vector_without_ownership( s.get()->x );
    s.f_v.wrap_gsl_vector_without_ownership( s.get()->f );
    s.dx_v.wrap_gsl_vector_without_ownership( s.get()->dx );
    return result;
      }
      
      inline static int iterate( fdfsolver& s ){
    int const result = gsl_multifit_fdfsolver_iterate( s.get() ); 
    s.x_v.wrap_gsl_vector_without_ownership( s.get()->x );
    s.f_v.wrap_gsl_vector_without_ownership( s.get()->f );
    s.dx_v.wrap_gsl_vector_without_ownership( s.get()->dx );
    return result;
      }
 
      inline static int driver( fdfsolver& s, size_t const maxiter,
                double const xtol, double const gtol,
                double const ftol, int& info ){
    int const result = gsl_multifit_fdfsolver_driver( s.get(), maxiter,
                              xtol, gtol, ftol, &info ); 
    s.x_v.wrap_gsl_vector_without_ownership( s.get()->x );
    s.f_v.wrap_gsl_vector_without_ownership( s.get()->f );
    s.dx_v.wrap_gsl_vector_without_ownership( s.get()->dx );
    return result;
      }
 
      inline static std::string name( fdfsolver const& s ){
    return std::string( gsl_multifit_fdfsolver_name( s.get() ) ); }
 
      inline static vector position( fdfsolver const& s ){
    vector result( gsl_multifit_fdfsolver_position( s.get() ) );
    return result;
      }
      inline static int dif_df( vector const& x, vector const& wts,
                function_fdf* fdf, vector const& f,
                matrix& J ){
    return gsl_multifit_fdfsolver_dif_df( x.get(), wts.get(), fdf, f.get(), J.get() ); }
      inline static int dif_fdf( vector const& x, function_fdf *fdf, vector& f, matrix& J ){
        return gsl_multifit_fdfsolver_dif_fdf( x.get(), fdf, f.get(), J.get() ); }
      inline static int dif_df( vector const& x, vector const& wts,
                function_fdf& fdf, vector const& f,
                matrix& J ){
    return gsl_multifit_fdfsolver_dif_df( x.get(), wts.get(), &fdf, f.get(), J.get() ); }
      inline static int dif_fdf( vector const& x, function_fdf &fdf, vector& f, matrix& J ){
        return gsl_multifit_fdfsolver_dif_fdf( x.get(), &fdf, f.get(), J.get() ); }
 
      // Member functions
 
      int set( function_fdf* f, vector const& x ){
    int const result = gsl_multifit_fdfsolver_set( get(), f, x.get() );
    x_v.wrap_gsl_vector_without_ownership( get()->x );
    f_v.wrap_gsl_vector_without_ownership( get()->f );
    dx_v.wrap_gsl_vector_without_ownership( get()->dx );
    return result;
      }
      int set( function_fdf& f, vector const& x ){
    int const result = gsl_multifit_fdfsolver_set( get(), &f, x.get() );
    x_v.wrap_gsl_vector_without_ownership( get()->x );
    f_v.wrap_gsl_vector_without_ownership( get()->f );
    dx_v.wrap_gsl_vector_without_ownership( get()->dx );
    return result;
      }
      
      int iterate(){
    int const result = gsl_multifit_fdfsolver_iterate( get() );
    x_v.wrap_gsl_vector_without_ownership( get()->x );
    f_v.wrap_gsl_vector_without_ownership( get()->f );
    dx_v.wrap_gsl_vector_without_ownership( get()->dx );
    return result;
      }
 
      int driver( size_t const maxiter, double const xtol, double const gtol,
          double const ftol, int& info ){
    int const result = gsl_multifit_fdfsolver_driver( get(), maxiter, xtol, gtol, xtol,
                              &info ); 
    x_v.wrap_gsl_vector_without_ownership( get()->x );
    f_v.wrap_gsl_vector_without_ownership( get()->f );
    dx_v.wrap_gsl_vector_without_ownership( get()->dx );
    return result;
      }
 
      char const* name(){ return gsl_multifit_fdfsolver_name( get() ); }
 
      vector const& position(){
    p_v.wrap_gsl_vector_without_ownership( gsl_multifit_fdfsolver_position( get() ) );
    return p_v;
      }
      
      vector const& get_x(){ return x_v; }
      vector const& get_f(){ return f_v; }
      vector const& get_dx(){ return dx_v; }
      matrix const& get_J(){ return J_m; }
 
      inline int wset( function_fdf* f, vector const& x, vector const& wts ){
    return gsl_multifit_fdfsolver_wset( get(), f, x.get(), wts.get() ); } 
      inline int wset( function_fdf& f, vector const& x, vector const& wts ){
    return gsl_multifit_fdfsolver_wset( get(), &f, x.get(), wts.get() ); } 
      inline int fdfsolver_jac( matrix& J ){
    return gsl_multifit_fdfsolver_jac( get(), J.get() ); } 
      inline vector fdfsolver_residual() const {
    return vector( gsl_multifit_fdfsolver_residual( get() ) ); } 
      inline size_t fdfsolver_niter() const { return gsl_multifit_fdfsolver_niter( get() ); } 
      inline static int eval_wf( multifit::function_fdf& fdf, vector const& x,
                 vector const& wts, vector& y ){
    return gsl_multifit_eval_wf( &fdf, x.get(), wts.get(), y.get() ); } 
      inline static int eval_wf( gsl_multifit_function_fdf* fdf, vector const& x,
                 vector const& wts, vector& y ){
    return gsl_multifit_eval_wf( fdf, x.get(), wts.get(), y.get() ); } 
      inline static int eval_wdf( multifit::function_fdf& fdf, vector const& x,
                  vector const& wts, matrix& dy ){
    return gsl_multifit_eval_wdf( &fdf, x.get(), wts.get(), dy.get() ); } 
      inline static int eval_wdf( gsl_multifit_function_fdf* fdf, vector const& x,
                  vector const& wts, matrix& dy ){
    return gsl_multifit_eval_wdf( fdf, x.get(), wts.get(), dy.get() ); } 
      inline int fdfsolver_test( double const xtol, double const gtol, double const ftol,
                 int& info ) const {
    return gsl_multifit_fdfsolver_test( get(), xtol, gtol, ftol, &info ); } 
      
    private:
      vector p_v;
      vector x_v;
      vector f_v;
      vector dx_v;
      matrix J_m; 
    public:
      // Solver types
      inline static type const* lmder(){ return gsl_multifit_fdfsolver_lmder; }
      inline static type const* lmsder(){ return gsl_multifit_fdfsolver_lmsder; }      
      inline static type const* lmniel(){ return gsl_multifit_fdfsolver_lmniel; }
    };
 
    namespace test {
      inline int delta( vector const& dx, vector const& x, double epsabs, double epsrel ){
    return gsl_multifit_test_delta( dx.get(), x.get(), epsabs, epsrel ); }
 
      inline int gradient( vector const& g, double epsabs ){
    return gsl_multifit_test_gradient( g.get(), epsabs ); }
    }
 
    class fdfridge {
      typedef gsl_multifit_fdfsolver_type type;
    public:
      fdfridge(){
    ccgsl_pointer = 0;
    count = 0; // initially nullptr will do
      }
      // Refines random access container
      // Refines assignable
      explicit fdfridge( type const* T, size_t const n, size_t const p ){
    ccgsl_pointer = gsl_multifit_fdfridge_alloc( T, n, p );
    // just plausibly we could allocate fdfridge but not count
    try { count = new size_t; } catch( std::bad_alloc& e ){
      // try to tidy up before rethrowing
      gsl_multifit_fdfridge_free( ccgsl_pointer );
      throw e;
    }
    *count = 1; // initially there is just one reference to ccgsl_pointer
      }
      explicit fdfridge( gsl_multifit_fdfridge* v ){
    ccgsl_pointer = v;
    // just plausibly we could fail to allocate count: no further action needed.
    count = new size_t;
    *count = 1; // initially there is just one reference to ccgsl_pointer
      }
      // copy constructor
      fdfridge( fdfridge const& v ){ ccgsl_pointer = v.ccgsl_pointer;
    count = v.count; if( count != 0 ) ++*count; }
      // assignment operator
      fdfridge& operator=( fdfridge const& v ){
    // first, possibly delete anything pointed to by this
    if( count == 0 or --*count == 0 ){
      if( ccgsl_pointer != 0 ) gsl_multifit_fdfridge_free( ccgsl_pointer );
      delete count;
    } // Then copy
    ccgsl_pointer = v.ccgsl_pointer; count = v.count; if( count != 0 ) ++*count; return *this;
      }
      // destructor
      ~fdfridge(){
    if( count == 0 or --*count == 0 ){
      // could have allocated null pointer
      if( ccgsl_pointer != 0 ) gsl_multifit_fdfridge_free( ccgsl_pointer );
      delete count;
    }
      }
#ifdef __GXX_EXPERIMENTAL_CXX0X__
      fdfridge( fdfridge&& v ) : ccgsl_pointer( v.ccgsl_pointer ), count( nullptr ){
    std::swap( count, v.count );
    v.ccgsl_pointer = nullptr;
      }
      fdfridge& operator=( fdfridge&& v ){
    fdfridge( std::move( v ) ).swap( *this );
    return *this;
      }
#endif
      // Refines equality comparable
      // == operator
      bool operator==( fdfridge const& v ) const { return ccgsl_pointer == v.ccgsl_pointer; }
      // != operator
      bool operator!=( fdfridge const& v ) const { return not operator==( v ); }
      // Refines forward container
      // Refines less than comparable
      // operator<
      bool operator<( fdfridge const& v ) const { return ccgsl_pointer < v.ccgsl_pointer; }
      // operator>
      bool operator>( fdfridge const& v ) const { return ccgsl_pointer > v.ccgsl_pointer; }
      // operator<=
      bool operator<=( fdfridge const& v ) const { return ccgsl_pointer <= v.ccgsl_pointer; }
      // operator>=
      bool operator>=( fdfridge const& v ) const { return ccgsl_pointer >= v.ccgsl_pointer; }
      bool empty() const { return ccgsl_pointer == 0; }
      // swap() --- should work even if sizes don't match
      void swap( fdfridge& v ){
    std::swap( ccgsl_pointer, v.ccgsl_pointer );
    std::swap( count, v.count );
      }
    private:
      gsl_multifit_fdfridge* ccgsl_pointer;
      size_t* count;
    public:
      // shared reference functions
      gsl_multifit_fdfridge* get() const { return ccgsl_pointer; }
      bool unique() const { return count != 0 and *count == 1; }
      size_t use_count() const { return count == 0 ? 0 : *count; }
#ifdef __GXX_EXPERIMENTAL_CXX0X__
      explicit
#endif
      operator bool() const { return ccgsl_pointer != 0; }
 
      inline char const* fdfridge_name() const {
    return gsl_multifit_fdfridge_name( get() ); } 
      inline vector fdfridge_position() const {
    return vector( gsl_multifit_fdfridge_position( get() ) ); } 
      inline vector fdfridge_residual() const {
    return vector( gsl_multifit_fdfridge_residual( get() ) ); } 
      inline size_t fdfridge_niter() const {
    return gsl_multifit_fdfridge_niter( get() ); } 
      inline int fdfridge_set( multifit::function_fdf* f, vector const& x, double const lambda ){
    return gsl_multifit_fdfridge_set( get(), f, x.get(), lambda ); } 
      inline int fdfridge_wset( multifit::function_fdf* f, vector const& x, double const lambda,
                vector const& wts ){
    return gsl_multifit_fdfridge_wset( get(), f, x.get(), lambda, wts.get() ); } 
      inline int fdfridge_set2( multifit::function_fdf* f, vector const& x,
                vector const& lambda ){
    return gsl_multifit_fdfridge_set2( get(), f, x.get(), lambda.get() ); } 
      inline int fdfridge_wset2( multifit::function_fdf* f, vector const& x,
                 vector const& lambda, vector const& wts ){
    return gsl_multifit_fdfridge_wset2( get(), f, x.get(), lambda.get(), wts.get() ); } 
      inline int fdfridge_set3( multifit::function_fdf* f, vector const& x, matrix const& L ){
    return gsl_multifit_fdfridge_set3( get(), f, x.get(), L.get() ); } 
      inline int fdfridge_wset3( multifit::function_fdf* f, vector const& x, matrix const& L,
                 vector const& wts ){
    return gsl_multifit_fdfridge_wset3( get(), f, x.get(), L.get(), wts.get() ); } 
      inline int fdfridge_set( multifit::function_fdf& f, vector const& x, double const lambda ){
    return gsl_multifit_fdfridge_set( get(), &f, x.get(), lambda ); } 
      inline int fdfridge_wset( multifit::function_fdf& f, vector const& x, double const lambda,
                vector const& wts ){
    return gsl_multifit_fdfridge_wset( get(), &f, x.get(), lambda, wts.get() ); } 
      inline int fdfridge_set2( multifit::function_fdf& f, vector const& x,
                vector const& lambda ){
    return gsl_multifit_fdfridge_set2( get(), &f, x.get(), lambda.get() ); } 
      inline int fdfridge_wset2( multifit::function_fdf& f, vector const& x,
                 vector const& lambda, vector const& wts ){
    return gsl_multifit_fdfridge_wset2( get(), &f, x.get(), lambda.get(), wts.get() ); } 
      inline int fdfridge_set3( multifit::function_fdf& f, vector const& x, matrix const& L ){
    return gsl_multifit_fdfridge_set3( get(), &f, x.get(), L.get() ); } 
      inline int fdfridge_wset3( multifit::function_fdf& f, vector const& x, matrix const& L,
                 vector const& wts ){
    return gsl_multifit_fdfridge_wset3( get(), &f, x.get(), L.get(), wts.get() ); } 
      inline int fdfridge_iterate(){ return gsl_multifit_fdfridge_iterate( get() ); } 
      inline int fdfridge_driver( size_t const maxiter, double const xtol, double const gtol,
                  double const ftol, int& info ){
    return gsl_multifit_fdfridge_driver( get(), maxiter, xtol, gtol, ftol, &info ); }
    };
    
  }
}
#endif
#endif