pagmo::algorithm::gsl_bfgs2 Class Reference

Wrapper for the GSL BFGS2 algorithm. More...

#include <gsl_bfgs2.h>

Inheritance diagram for pagmo::algorithm::gsl_bfgs2:

Public Member Functions
	gsl_bfgs2 (int=100, const double &=1E-8, const double &=1E-8, const double &=0.01, const double &=0.1)
	Constructor. More...
base_ptr	clone () const
	Clone method.
std::string	get_name () const
	Algorithm name.
Public Member Functions inherited from pagmo::algorithm::gsl_gradient
void	evolve (population &) const
	Evolve method. More...
std::string	human_readable_extra () const
	Extra information in human-readable format. More...
Public Member Functions inherited from pagmo::algorithm::base_gsl
	base_gsl ()
	Default constructor. More...
Public Member Functions inherited from pagmo::algorithm::base
	base ()
	Default constructor. More...
virtual	~base ()
	Trivial destructor. More...
std::string	human_readable () const
	Return human readable representation of the algorithm. More...
void	set_screen_output (const bool p)
	Setter-Getter for protected m_screen_output data. More...
bool	get_screen_output () const
	Gets screen output. More...
void	reset_rngs (const unsigned int) const
	Resets the seed of the internal rngs using a user-provided seed. More...

Protected Member Functions
const gsl_multimin_fdfminimizer_type *	get_gsl_minimiser_ptr () const
	Selected minimiser. More...
Protected Member Functions inherited from pagmo::algorithm::gsl_gradient
	gsl_gradient (int, const double &, const double &, const double &, const double &)
	Constructor. More...

Friends
class	boost::serialization::access

Additional Inherited Members
Static Protected Member Functions inherited from pagmo::algorithm::base_gsl
static double	objfun_wrapper (const gsl_vector *, void *)
	Objective function wrapper. More...
Protected Attributes inherited from pagmo::algorithm::base
bool	m_screen_output
	Indicates to the derived class whether to print stuff on screen.
rng_double	m_drng
	Random number generator for double-precision floating point values.
rng_uint32	m_urng
	Random number generator for unsigned integer values.
unsigned int	m_fevals
	A counter for the number of function evaluations.

Detailed Description

Wrapper for the GSL BFGS2 algorithm.

See also

algorithm::gsl_gradient for more information.

Author

Francesco Biscani (blues.nosp@m.carn.nosp@m.i@gma.nosp@m.il.c.nosp@m.om)

Definition at line 44 of file gsl_bfgs2.h.

Constructor & Destructor Documentation

pagmo::algorithm::gsl_bfgs2::gsl_bfgs2	(	int	max_iter = 100,
		const double &	grad_tol = 1E-8,
		const double &	numdiff_step_size = 1E-8,
		const double &	step_size = 0.01,
		const double &	tol = 0.1
	)

Constructor.

Will invoke internally the constructor from algorithm::gsl_gradient with the specified parameters.

See also

gsl_gradient::gsl_gradient().

Definition at line 40 of file gsl_bfgs2.cpp.

Member Function Documentation

const gsl_multimin_fdfminimizer_type * pagmo::algorithm::gsl_bfgs2::get_gsl_minimiser_ptr ( ) const

protectedvirtual

Selected minimiser.

This function will return a pointer to the GSL minimiser selected by the derived class.

Returns

pointer to a GSL minimiser with derivatives.

Implements pagmo::algorithm::gsl_gradient.

Definition at line 49 of file gsl_bfgs2.cpp.

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The documentation for this class was generated from the following files:

• gsl_bfgs2.h
• gsl_bfgs2.cpp