alpaqa::params Namespace Reference

Namespaces
namespace	detail

Classes
struct	dict_to_struct_table
	Specialize this type to define the attribute name to attribute setters dictionaries for a struct type T. More...
struct	dict_to_struct_table< ALMParams< config_t > >
struct	dict_to_struct_table< AndersonAccelParams< config_t > >
struct	dict_to_struct_table< AndersonDirectionParams< config_t > >
struct	dict_to_struct_table< CBFGSParams< config_t > >
struct	dict_to_struct_table< lbfgsb::LBFGSBSolver::Params >
struct	dict_to_struct_table< LBFGSDirectionParams< config_t > >
struct	dict_to_struct_table< LBFGSParams< config_t > >
struct	dict_to_struct_table< LipschitzEstimateParams< config_t > >
struct	dict_to_struct_table< NewtonTRDirectionParams< config_t > >
struct	dict_to_struct_table< PANOCOCPParams< config_t > >
struct	dict_to_struct_table< PANOCParams< config_t > >
struct	dict_to_struct_table< PANTRParams< config_t > >
struct	dict_to_struct_table< qpalm::Settings >
struct	dict_to_struct_table< SteihaugCGParams< config_t > >
struct	dict_to_struct_table< StructuredLBFGSDirectionParams< config_t > >
struct	dict_to_struct_table< StructuredNewtonDirectionParams< config_t > >
struct	dict_to_struct_table< StructuredNewtonRegularizationParams< config_t > >
struct	dict_to_struct_table< ZeroFPRParams< config_t > >
struct	invalid_param
	Custom parameter parsing exception. More...
struct	param_setter_fun_t
	Function wrapper to set attributes of a struct, type-erasing the type of the attribute. More...
struct	ParamString
	Represents a parameter value encoded as a string in the format abc.def.key=value. More...
struct	vec_from_file

Typedefs
using	config_t = DefaultConfig
template<class T >
using	dict_to_struct_table_t = std::map< std::string_view, param_setter_fun_t< T > >
	Dictionary that maps struct attribute names to type-erased functions that set those attributes.

Functions
template<class T >
void	assert_key_empty (ParamString s)
	Throw a meaningful error when s.key is not empty, to indicate that the given type T is not of struct type and cannot be indexed into.
template<class T >
void	unsupported_type (T &, ParamString s)
	Throw a meaningful error to indicate that parameters of type T are not supported or implemented.
template<>
void	set_param (bool &b, ParamString s)
template<>
void	set_param (std::string_view &v, ParamString s)
template<>
void	set_param (std::string &v, ParamString s)
template<class T > requires ((std::floating_point<T> || std::integral<T>) && !std::is_enum_v<T>)
void	set_param (T &f, ParamString s)
	Update/overwrite the first argument based on the option in s.
template<>
void	set_param (vec< config_t > &v, ParamString s)
template<>
void	set_param (vec_from_file< config_t > &v, ParamString s)
template<class Rep , class Period >
void	set_param (std::chrono::duration< Rep, Period > &t, ParamString s)
template<class T , class T_actual , class A >
auto	param_setter (A T_actual::*attr)
	Return a function that applies set_param to the given attribute of a value of type T.
template<class T >
auto	possible_keys ()
	Return a string enumerating the possible attribute names for the struct type T.
template<class T > requires requires { dict_to_struct_table<T>::table; }
void	set_param (T &t, ParamString s)
	Use s to index into the struct type T and overwrite the attribute given by s.key.
auto	split_key (std::string_view full, char tok='.')
	Split the string full on the first occurrence of tok.
template<class T >
void	set_param (T &, ParamString)
	Update/overwrite the first argument based on the option in s.
template<class T >
void	set_params (T &t, std::string_view prefix, std::span< const std::string_view > options, std::optional< std::span< unsigned > > used=std::nullopt)
	Overwrites t based on the options that start with prefix.
template<>
void	set_param (bool &b, ParamString s)
template<>
void	set_param (std::string_view &v, ParamString s)
template<>
void	set_param (std::string &v, ParamString s)
template<>
void	set_param (alpaqa::vec< config_t > &v, ParamString s)
template<>
void	set_param (vec_from_file< config_t > &v, ParamString s)
template<>
void	set_param (LBFGSStepSize &t, ParamString s)
template<>
void	set_param (PANOCStopCrit &t, ParamString s)
template<class... Ts>
void	set_param (detail::_dummy< Ts... > &, ParamString)
template void	set_param (detail::possible_alias_t< float > &, ParamString)
template void	set_param (detail::possible_alias_t< double, float > &, ParamString)
template void	set_param (detail::possible_alias_t< long double, double, float > &, ParamString)
template void	set_param (detail::possible_alias_t< int8_t > &, ParamString)
template void	set_param (detail::possible_alias_t< uint8_t > &, ParamString)
template void	set_param (detail::possible_alias_t< int16_t > &, ParamString)
template void	set_param (detail::possible_alias_t< uint16_t > &, ParamString)
template void	set_param (detail::possible_alias_t< int32_t > &, ParamString)
template void	set_param (detail::possible_alias_t< int64_t > &, ParamString)
template void	set_param (detail::possible_alias_t< uint32_t > &, ParamString)
template void	set_param (detail::possible_alias_t< uint64_t > &, ParamString)
template void	set_param (detail::possible_alias_t< short, int8_t, uint8_t, int16_t, uint16_t, int32_t, int64_t, uint32_t, uint64_t > &, ParamString)
template void	set_param (detail::possible_alias_t< int, short, int8_t, uint8_t, int16_t, uint16_t, int32_t, int64_t, uint32_t, uint64_t > &, ParamString)
template void	set_param (detail::possible_alias_t< long, int, short, int8_t, uint8_t, int16_t, uint16_t, int32_t, int64_t, uint32_t, uint64_t > &, ParamString)
template void	set_param (detail::possible_alias_t< long long, long, int, short, int8_t, uint8_t, int16_t, uint16_t, int32_t, int64_t, uint32_t, uint64_t > &, ParamString)
template void	set_param (detail::possible_alias_t< ptrdiff_t, long long, long, int, short, int8_t, uint8_t, int16_t, uint16_t, int32_t, int64_t, uint32_t, uint64_t > &, ParamString)
template void	set_param (detail::possible_alias_t< unsigned short, int8_t, uint8_t, int16_t, uint16_t, int32_t, int64_t, uint32_t, uint64_t > &, ParamString)
template void	set_param (detail::possible_alias_t< unsigned int, unsigned short, int8_t, uint8_t, int16_t, uint16_t, int32_t, int64_t, uint32_t, uint64_t > &, ParamString)
template void	set_param (detail::possible_alias_t< unsigned long, unsigned int, unsigned short, int8_t, uint8_t, int16_t, uint16_t, int32_t, int64_t, uint32_t, uint64_t > &, ParamString)
template void	set_param (detail::possible_alias_t< unsigned long long, unsigned long, unsigned int, unsigned short, int8_t, uint8_t, int16_t, uint16_t, int32_t, int64_t, uint32_t, uint64_t > &, ParamString)
template void	set_param (detail::possible_alias_t< size_t, unsigned long long, unsigned long, unsigned int, unsigned short, int8_t, uint8_t, int16_t, uint16_t, int32_t, int64_t, uint32_t, uint64_t > &, ParamString)
template void	set_param (detail::possible_alias_t< std::chrono::nanoseconds > &, ParamString)
template void	set_param (detail::possible_alias_t< std::chrono::microseconds > &, ParamString)
template void	set_param (detail::possible_alias_t< std::chrono::milliseconds > &, ParamString)
template void	set_param (detail::possible_alias_t< std::chrono::seconds > &, ParamString)
template void	set_param (detail::possible_alias_t< std::chrono::minutes > &, ParamString)
template void	set_param (detail::possible_alias_t< std::chrono::hours > &, ParamString)
template void	set_param (detail::possible_alias_t< PANOCParams< config_t > > &, ParamString)
template void	set_param (detail::possible_alias_t< ZeroFPRParams< config_t > > &, ParamString)
template void	set_param (detail::possible_alias_t< PANTRParams< config_t > > &, ParamString)
template void	set_param (detail::possible_alias_t< LBFGSParams< config_t > > &, ParamString)
template void	set_param (detail::possible_alias_t< AndersonAccelParams< config_t > > &, ParamString)
template void	set_param (detail::possible_alias_t< LBFGSDirectionParams< config_t > > &, ParamString)
template void	set_param (detail::possible_alias_t< AndersonDirectionParams< config_t > > &, ParamString)
template void	set_param (detail::possible_alias_t< StructuredLBFGSDirectionParams< config_t > > &, ParamString)
template void	set_param (detail::possible_alias_t< NewtonTRDirectionParams< config_t > > &, ParamString)
template void	set_param (detail::possible_alias_t< SteihaugCGParams< config_t > > &, ParamString)
template void	set_param (detail::possible_alias_t< StructuredNewtonRegularizationParams< config_t > > &, ParamString)
template void	set_param (detail::possible_alias_t< StructuredNewtonDirectionParams< config_t > > &, ParamString)
template void	set_param (detail::possible_alias_t< ALMParams< config_t > > &, ParamString)
template void	set_param (detail::possible_alias_t< PANOCOCPParams< config_t > > &, ParamString)
template<class T >
static auto	possible_keys (const T &tbl)
template<>
void	set_param (Ipopt::IpoptApplication &app, ParamString s)
template void	set_param (lbfgsb::LBFGSBSolver::Params &, ParamString)
template void	set_param (qpalm::Settings &, ParamString)

---

Class Documentation

alpaqa::params::dict_to_struct_table

struct alpaqa::params::dict_to_struct_table

Collaboration diagram for dict_to_struct_table< T >:

alpaqa::params::ParamString

struct alpaqa::params::ParamString

Collaboration diagram for ParamString:

Class Members
string_view	full_key	Full key string, used for diagnostics.
string_view	key	The subkey to resolve next.
string_view	value	The value of the parameter to store.

alpaqa::params::vec_from_file

struct alpaqa::params::vec_from_file

Collaboration diagram for vec_from_file< Conf >:

Class Members
length_t	expected_size
optional< vec >	value = std::nullopt

Typedef Documentation

config_t

using config_t = DefaultConfig

Definition at line 19 of file params.tpp.

dict_to_struct_table_t

template<class T >

using dict_to_struct_table_t = std::map<std::string_view, param_setter_fun_t<T> >

Dictionary that maps struct attribute names to type-erased functions that set those attributes.

Definition at line 87 of file params.tpp.

Function Documentation

assert_key_empty()

template<class T >

void assert_key_empty

(

ParamString

s

)

Throw a meaningful error when s.key is not empty, to indicate that the given type T is not of struct type and cannot be indexed into.

Definition at line 24 of file params.tpp.

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unsupported_type()

template<class T >

void unsupported_type	(	T &	,
		ParamString	s
	)

Throw a meaningful error to indicate that parameters of type T are not supported or implemented.

Definition at line 34 of file params.tpp.

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set_param() [1/61]

template<>

void set_param	(	bool &	b,
		ParamString	s
	)

Definition at line 26 of file params.cpp.

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set_param() [2/61]

template<>

void set_param	(	std::string_view &	v,
		ParamString	s
	)

Definition at line 41 of file params.cpp.

set_param() [3/61]

template<>

void set_param	(	std::string &	v,
		ParamString	s
	)

Definition at line 47 of file params.cpp.

set_param() [4/61]

template<class T >
requires ((std::floating_point<T> || std::integral<T>) && !std::is_enum_v<T>)

void set_param	(	T &	f,
		ParamString	s
	)

Update/overwrite the first argument based on the option in s.

Definition at line 54 of file params.cpp.

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set_param() [5/61]

template<>

void set_param	(	vec< config_t > &	v,
		ParamString	s
	)

Definition at line 75 of file params.cpp.

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set_param() [6/61]

template<>

void set_param	(	vec_from_file< config_t > &	v,
		ParamString	s
	)

Definition at line 85 of file params.cpp.

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template<class Rep , class Period >

void set_param	(	std::chrono::duration< Rep, Period > &	t,
		ParamString	s
	)

Definition at line 120 of file params.cpp.

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param_setter()

template<class T , class T_actual , class A >

auto param_setter

(

A T_actual::*

attr

)

Return a function that applies set_param to the given attribute of a value of type T.

Definition at line 70 of file params.tpp.

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possible_keys() [1/2]

template<class T >

auto possible_keys

(

)

Return a string enumerating the possible attribute names for the struct type T.

Definition at line 98 of file params.tpp.

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set_param() [8/61]

template<class T >
requires requires { dict_to_struct_table<T>::table; }

void set_param	(	T &	t,
		ParamString	s
	)

Use s to index into the struct type T and overwrite the attribute given by s.key.

Update/overwrite the first argument based on the option in s.

Definition at line 114 of file params.tpp.

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split_key()

auto split_key ( std::string_view  full, char  tok = '.'  )

inline

Split the string full on the first occurrence of tok.

Returns (s, "") if tok was not found.

Definition at line 32 of file params.hpp.

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template<class T >

void set_param	(	T &	t,
		ParamString	s
	)

Update/overwrite the first argument based on the option in s.

Update/overwrite the first argument based on the option in s.

Definition at line 54 of file params.cpp.

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set_params()

template<class T >

void set_params	(	T &	t,
		std::string_view	prefix,
		std::span< const std::string_view >	options,
		std::optional< std::span< unsigned > >	used = std::nullopt
	)

Overwrites t based on the options that start with prefix.

If used is not nullopt, sets corresponding flag of the options that were used.

Examples

problems/sparse-logistic-regression.cpp.

Definition at line 49 of file params.hpp.

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set_param() [10/61]

template<>

void set_param	(	bool &	b,
		ParamString	s
	)

Definition at line 26 of file params.cpp.

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set_param() [11/61]

template<>

void set_param	(	std::string_view &	v,
		ParamString	s
	)

Definition at line 41 of file params.cpp.

set_param() [12/61]

template<>

void set_param	(	std::string &	v,
		ParamString	s
	)

Definition at line 47 of file params.cpp.

set_param() [13/61]

template<>

void set_param	(	alpaqa::vec< config_t > &	v,
		ParamString	s
	)

Definition at line 75 of file params.cpp.

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template<>

void set_param	(	vec_from_file< config_t > &	v,
		ParamString	s
	)

Definition at line 85 of file params.cpp.

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set_param() [15/61]

template<>

void set_param	(	LBFGSStepSize &	t,
		ParamString	s
	)

Definition at line 164 of file params.cpp.

set_param() [16/61]

template<>

void set_param	(	PANOCStopCrit &	t,
		ParamString	s
	)

Definition at line 176 of file params.cpp.

set_param() [17/61]

template<class... Ts>

void set_param	(	detail::_dummy< Ts... > &	,
		ParamString
	)

Definition at line 400 of file params.cpp.

set_param() [18/61]

template void set_param	(	detail::possible_alias_t< float > &	,
		ParamString
	)

set_param() [19/61]

template void set_param	(	detail::possible_alias_t< double, float > &	,
		ParamString
	)

set_param() [20/61]

template void set_param	(	detail::possible_alias_t< long double, double, float > &	,
		ParamString
	)

set_param() [21/61]

template void set_param	(	detail::possible_alias_t< int8_t > &	,
		ParamString
	)

set_param() [22/61]

template void set_param	(	detail::possible_alias_t< uint8_t > &	,
		ParamString
	)

set_param() [23/61]

template void set_param	(	detail::possible_alias_t< int16_t > &	,
		ParamString
	)

set_param() [24/61]

template void set_param	(	detail::possible_alias_t< uint16_t > &	,
		ParamString
	)

set_param() [25/61]

template void set_param	(	detail::possible_alias_t< int32_t > &	,
		ParamString
	)

set_param() [26/61]

template void set_param	(	detail::possible_alias_t< int64_t > &	,
		ParamString
	)

set_param() [27/61]

template void set_param	(	detail::possible_alias_t< uint32_t > &	,
		ParamString
	)

set_param() [28/61]

template void set_param	(	detail::possible_alias_t< uint64_t > &	,
		ParamString
	)

set_param() [29/61]

template void set_param	(	detail::possible_alias_t< short, int8_t, uint8_t, int16_t, uint16_t, int32_t, int64_t, uint32_t, uint64_t > &	,
		ParamString
	)

set_param() [30/61]

template void set_param	(	detail::possible_alias_t< int, short, int8_t, uint8_t, int16_t, uint16_t, int32_t, int64_t, uint32_t, uint64_t > &	,
		ParamString
	)

set_param() [31/61]

template void set_param	(	detail::possible_alias_t< long, int, short, int8_t, uint8_t, int16_t, uint16_t, int32_t, int64_t, uint32_t, uint64_t > &	,
		ParamString
	)

set_param() [32/61]

template void set_param	(	detail::possible_alias_t< long long, long, int, short, int8_t, uint8_t, int16_t, uint16_t, int32_t, int64_t, uint32_t, uint64_t > &	,
		ParamString
	)

set_param() [33/61]

template void set_param	(	detail::possible_alias_t< ptrdiff_t, long long, long, int, short, int8_t, uint8_t, int16_t, uint16_t, int32_t, int64_t, uint32_t, uint64_t > &	,
		ParamString
	)

set_param() [34/61]

template void set_param	(	detail::possible_alias_t< unsigned short, int8_t, uint8_t, int16_t, uint16_t, int32_t, int64_t, uint32_t, uint64_t > &	,
		ParamString
	)

set_param() [35/61]

template void set_param	(	detail::possible_alias_t< unsigned int, unsigned short, int8_t, uint8_t, int16_t, uint16_t, int32_t, int64_t, uint32_t, uint64_t > &	,
		ParamString
	)

set_param() [36/61]

template void set_param	(	detail::possible_alias_t< unsigned long, unsigned int, unsigned short, int8_t, uint8_t, int16_t, uint16_t, int32_t, int64_t, uint32_t, uint64_t > &	,
		ParamString
	)

set_param() [37/61]

template void set_param	(	detail::possible_alias_t< unsigned long long, unsigned long, unsigned int, unsigned short, int8_t, uint8_t, int16_t, uint16_t, int32_t, int64_t, uint32_t, uint64_t > &	,
		ParamString
	)

set_param() [38/61]

template void set_param	(	detail::possible_alias_t< size_t, unsigned long long, unsigned long, unsigned int, unsigned short, int8_t, uint8_t, int16_t, uint16_t, int32_t, int64_t, uint32_t, uint64_t > &	,
		ParamString
	)

set_param() [39/61]

template void set_param	(	detail::possible_alias_t< std::chrono::nanoseconds > &	,
		ParamString
	)

set_param() [40/61]

template void set_param	(	detail::possible_alias_t< std::chrono::microseconds > &	,
		ParamString
	)

set_param() [41/61]

template void set_param	(	detail::possible_alias_t< std::chrono::milliseconds > &	,
		ParamString
	)

set_param() [42/61]

template void set_param	(	detail::possible_alias_t< std::chrono::seconds > &	,
		ParamString
	)

set_param() [43/61]

template void set_param	(	detail::possible_alias_t< std::chrono::minutes > &	,
		ParamString
	)

set_param() [44/61]

template void set_param	(	detail::possible_alias_t< std::chrono::hours > &	,
		ParamString
	)

set_param() [45/61]

template void set_param	(	detail::possible_alias_t< PANOCParams< config_t > > &	,
		ParamString
	)

set_param() [46/61]

template void set_param	(	detail::possible_alias_t< ZeroFPRParams< config_t > > &	,
		ParamString
	)

set_param() [47/61]

template void set_param	(	detail::possible_alias_t< PANTRParams< config_t > > &	,
		ParamString
	)

set_param() [48/61]

template void set_param	(	detail::possible_alias_t< LBFGSParams< config_t > > &	,
		ParamString
	)

set_param() [49/61]

template void set_param	(	detail::possible_alias_t< AndersonAccelParams< config_t > > &	,
		ParamString
	)

set_param() [50/61]

template void set_param	(	detail::possible_alias_t< LBFGSDirectionParams< config_t > > &	,
		ParamString
	)

set_param() [51/61]

template void set_param	(	detail::possible_alias_t< AndersonDirectionParams< config_t > > &	,
		ParamString
	)

set_param() [52/61]

template void set_param	(	detail::possible_alias_t< StructuredLBFGSDirectionParams< config_t > > &	,
		ParamString
	)

set_param() [53/61]

template void set_param	(	detail::possible_alias_t< NewtonTRDirectionParams< config_t > > &	,
		ParamString
	)

set_param() [54/61]

template void set_param	(	detail::possible_alias_t< SteihaugCGParams< config_t > > &	,
		ParamString
	)

set_param() [55/61]

template void set_param	(	detail::possible_alias_t< StructuredNewtonRegularizationParams< config_t > > &	,
		ParamString
	)

set_param() [56/61]

template void set_param	(	detail::possible_alias_t< StructuredNewtonDirectionParams< config_t > > &	,
		ParamString
	)

set_param() [57/61]

template void set_param	(	detail::possible_alias_t< ALMParams< config_t > > &	,
		ParamString
	)

set_param() [58/61]

template void set_param	(	detail::possible_alias_t< PANOCOCPParams< config_t > > &	,
		ParamString
	)

possible_keys() [2/2]

template<class T >

static auto possible_keys ( const T &  tbl )

static

Definition at line 11 of file ipopt-params.cpp.

set_param() [59/61]

template<>

void set_param	(	Ipopt::IpoptApplication &	app,
		ParamString	s
	)

Definition at line 23 of file ipopt-params.cpp.

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set_param() [60/61]

template void set_param	(	lbfgsb::LBFGSBSolver::Params &	,
		ParamString
	)

set_param() [61/61]

template void set_param	(	qpalm::Settings &	,
		ParamString
	)