#include <BSMPT/minimizer/Minimizer.h>
#include <BSMPT/models/ClassPotentialOrigin.h>
#include <BSMPT/models/IncludeAllModels.h>
#include <BSMPT/utility/Logger.h>
#include <BSMPT/utility/utility.h>
#include <algorithm>
#include <iostream>
#include <math.h>
#include <memory>
#include <random>
#include <thread>
#include <time.h>
#include <vector>
#include <BSMPT/config.h>
#include <BSMPT/minimizer/MinimizeGSL.h>
#include <exception>

Namespaces
namespace	BSMPT
	This classes calculates the Bounce action of the potential with a set temperature.

Functions
MinimizersToUse	BSMPT::Minimizer::GetMinimizers (int WhichMinimizer)
	GetMinimizers returns a struct containing the bools deciding which minimizers should be used or not.

std::vector< double >	BSMPT::Minimizer::Minimize_gen_all (const std::shared_ptr< Class_Potential_Origin > &modelPointer, const double &Temp, std::vector< double > &Check, const std::vector< double > &start, const int &WhichMinimizer=WhichMinimizerDefault, bool UseMultithreading=true)
	Minimization of the Model Minimizes the given Potential with parameters par and CT-parameters parCT at a given Temperature Temp and writes the solution in the std::vector sol. The Minimization Debugging Options are written in the std::vector Check. The std::vector Start gives the start value for the CMA-ES Minimization.

EWPTReturnType	BSMPT::Minimizer::PTFinder_gen_all (const std::shared_ptr< Class_Potential_Origin > &modelPointer, const double &TempStart, const double &TempEnd, const int &WhichMinimizer=WhichMinimizerDefault, bool UseMultithreading=true)

std::vector< double >	BSMPT::Minimizer::Minimize_gen_all_tree_level (const ModelID::ModelIDs &Model, const std::vector< double > &par, const std::vector< double > &parCT, std::vector< double > &Check, const std::vector< double > &start, int WhichMinimizer=WhichMinimizerDefault, bool UseMultithreading=true)
	Minimize_gen_all_tree_level Minimizes the tree-level potential.

std::vector< double >	BSMPT::Minimizer::Minimize_gen_all_tree_level (const ModelID::ModelIDs &Model, const std::vector< double > &par, const std::vector< double > &parCT, const ISMConstants &SMConstants, std::vector< double > &Check, const std::vector< double > &start, int WhichMinimizer=WhichMinimizerDefault, bool UseMultithreading=true)
	Minimize_gen_all_tree_level Minimizes the tree-level potential.

std::vector< std::vector< double > >	BSMPT::Minimizer::FindNextLocalMinima (const std::shared_ptr< Class_Potential_Origin > &model, const std::vector< double > &StartingPoint, const double &temperature, int WhichMinimizer=WhichMinimizerDefault)
	FindNextLocalMinima finds the local minima from the given starting point at the given temperature.

std::vector< std::vector< std::pair< double, std::vector< double > > > >	BSMPT::Minimizer::MinimaDevelopmentWithTemperature (const std::shared_ptr< Class_Potential_Origin > &model, const double &StartingTemperature, const double &FinalTemperature, const double &StepsizeTemperature, const std::vector< std::pair< double, double > > &RNGRanges, const std::size_t &seed, const std::size_t &NumberOfStartingPoints, const int &WhichMinimizer)
	MinimaDevelopmentWithTemperature calculates the temperature development of several local minima.

Detailed Description

Parameters

WhichMinimizer = 1/2 for single minimizer, sum of those for multiple

WhichMinimizer = 1 -> Use CMA-ES Minimizer

WhichMinimizer = 2 -> Use the local Minimization of GSL

Parameters

Model	Which model is considered?
par	Array with parameter point used for set_gen
parCT	Array with Counterterm values used for set_CT_pot_par
TempStart	Starting value of the Temperature for the bisection Method
TempEnde	End value of the Temperature for the bisection Method
sol	std::vector<double> in which the solution of the PTFinder will be stored in the format (T_C,v_C,-+1, single vevs) where +1 means sucessfull find of v_c/T_c > 1 and -1 hit one of the abortion criteria

Function Documentation

◆ FindNextLocalMinima()

std::vector< std::vector< double > > BSMPT::Minimizer::FindNextLocalMinima	(	const std::shared_ptr< Class_Potential_Origin > &	model,
		const std::vector< double > &	StartingPoint,
		const double &	temperature,
		int	WhichMinimizer = `WhichMinimizerDefault`
	)

FindNextLocalMinima finds the local minima from the given starting point at the given temperature.

Parameters

model	Parameter point to minimize
StartingPoint	Starting point from where to look for the next local minima
temperature	Temperature at which to minimize the potential
WhichMinimizer	Which Minimizer should be used? CMAES is not used here as it is only a global minimizer

Returns: A vector containing the local minima. In case different Minima find different minima all solutions are given.

◆ GetMinimizers()

MinimizersToUse BSMPT::Minimizer::GetMinimizers ( int WhichMinimizer )

GetMinimizers returns a struct containing the bools deciding which minimizers should be used or not.

Parameters

WhichMinimizer

Returns

◆ MinimaDevelopmentWithTemperature()

std::vector< std::vector< std::pair< double, std::vector< double > > > > BSMPT::Minimizer::MinimaDevelopmentWithTemperature	(	const std::shared_ptr< Class_Potential_Origin > &	model,
		const double &	StartingTemperature,
		const double &	FinalTemperature,
		const double &	StepsizeTemperature,
		const std::vector< std::pair< double, double > > &	RNGRanges,
		const std::size_t &	seed,
		const std::size_t &	NumberOfStartingPoints,
		const int &	WhichMinimizer
	)

MinimaDevelopmentWithTemperature calculates the temperature development of several local minima.

Parameters

model	The used model and parameter point
StartingTemperature	The first temperature at which to calculate the local minima from the random points
FinalTemperature	The final temperature for the temperature development
StepsizeTemperature	The stepsize for the temperature development
RNGRanges	The ranges for the RNG generated starting point at StartingTemperature
seed	The seed used for the RNG
NumberOfStartingPoints	How many RNG points should be generated
WhichMinimizer	Which minimizers should be used?

Returns: List of Minima development, each member being a list for one point with the entries <Temperature, Minimum>

◆ Minimize_gen_all_tree_level() [1/2]

std::vector< double > BSMPT::Minimizer::Minimize_gen_all_tree_level	(	const ModelID::ModelIDs &	Model,
		const std::vector< double > &	par,
		const std::vector< double > &	parCT,
		const ISMConstants &	SMConstants,
		std::vector< double > &	Check,
		const std::vector< double > &	start,
		int	WhichMinimizer = `WhichMinimizerDefault`,
		bool	UseMultithreading = `true`
	)

Minimize_gen_all_tree_level Minimizes the tree-level potential.

Parameters

Model	Which Model to minimize
par	parameters of the point
parCT	counterterm parameters
SMConstants	The SM Constants used for the minimisation
Check	Vector to safe the error flags during the minimization
start	Starting point for the minimization
WhichMinimizer	Which minimizers should be taken? 1 = CMAES, 2 = GSL, 4 = NLOPT, to use multiple add the numbers

Returns: the global minimum

◆ Minimize_gen_all_tree_level() [2/2]

std::vector< double > BSMPT::Minimizer::Minimize_gen_all_tree_level	(	const ModelID::ModelIDs &	Model,
		const std::vector< double > &	par,
		const std::vector< double > &	parCT,
		std::vector< double > &	Check,
		const std::vector< double > &	start,
		int	WhichMinimizer = `WhichMinimizerDefault`,
		bool	UseMultithreading = `true`
	)

Minimize_gen_all_tree_level Minimizes the tree-level potential.

Parameters

Model	Which Model to minimize
par	parameters of the point
parCT	counterterm parameters
Check	Vector to safe the error flags during the minimization
start	Starting point for the minimization
WhichMinimizer	Which minimizers should be taken? 1 = CMAES, 2 = GSL, 4 = NLOPT, to use multiple add the numbers

Returns: the global minimum

◆ PTFinder_gen_all()

EWPTReturnType BSMPT::Minimizer::PTFinder_gen_all	(	const std::shared_ptr< Class_Potential_Origin > &	modelPointer,
		const double &	TempStart,
		const double &	TempEnd,
		const int &	WhichMinimizer = `WhichMinimizerDefault`,
		bool	UseMultithreading = `true`
	)

Uses a bisection method between the Temperature TempStart and TempEnde to find the phase transition in the Model and writes the solution in the vector sol.

Parameters

modelPointer	shared_ptr to the parameter point
TempStart	Low temperature for the starting interval of the bisection method
TempEnd	High temperature for the starting interval of the bisection method
WhichMinimizer	Which minimizers should be taken? 1 = CMAES, 2 = GSL, 4 = NLOPT, to use multiple add the numbers

Returns: The information are returned in a EWPTReturnType struct

Namespaces

Functions

Detailed Description

Function Documentation

◆ FindNextLocalMinima()

◆ GetMinimizers()

◆ MinimaDevelopmentWithTemperature()

◆ Minimize_gen_all_tree_level() [1/2]

◆ Minimize_gen_all_tree_level() [2/2]

◆ PTFinder_gen_all()