line_minimization.h File Reference

#include <deal.II/base/config.h>
#include <deal.II/base/exceptions.h>
#include <deal.II/base/logstream.h>
#include <deal.II/base/numbers.h>
#include <deal.II/base/utilities.h>
#include <deal.II/numerics/history.h>
#include <algorithm>
#include <fstream>
#include <functional>
#include <limits>
#include <optional>
#include <string>

Go to the source code of this file.

Namespaces
namespace	LineMinimization

Functions
template<typename NumberType >
std::optional< NumberType >	LineMinimization::quadratic_fit (const NumberType x_low, const NumberType f_low, const NumberType g_low, const NumberType x_hi, const NumberType f_hi)
template<typename NumberType >
std::optional< NumberType >	LineMinimization::cubic_fit (const NumberType x_low, const NumberType f_low, const NumberType g_low, const NumberType x_hi, const NumberType f_hi, const NumberType g_hi)
template<typename NumberType >
std::optional< NumberType >	LineMinimization::cubic_fit_three_points (const NumberType x_low, const NumberType f_low, const NumberType g_low, const NumberType x_hi, const NumberType f_hi, const NumberType x_rec, const NumberType f_rec)
template<typename NumberType >
NumberType	LineMinimization::poly_fit (const NumberType x_low, const NumberType f_low, const NumberType g_low, const NumberType x_hi, const NumberType f_hi, const NumberType g_hi, const FiniteSizeHistory< NumberType > &x_rec, const FiniteSizeHistory< NumberType > &f_rec, const FiniteSizeHistory< NumberType > &g_rec, const std::pair< NumberType, NumberType > bounds)
template<typename NumberType >
NumberType	LineMinimization::poly_fit_three_points (const NumberType x_low, const NumberType f_low, const NumberType g_low, const NumberType x_hi, const NumberType f_hi, const NumberType g_hi, const FiniteSizeHistory< NumberType > &x_rec, const FiniteSizeHistory< NumberType > &f_rec, const FiniteSizeHistory< NumberType > &g_rec, const std::pair< NumberType, NumberType > bounds)
template<typename NumberType >
std::pair< NumberType, unsigned int >	LineMinimization::line_search (const std::function< std::pair< NumberType, NumberType >(const NumberType x)> &func, const NumberType f0, const NumberType g0, const std::function< NumberType(const NumberType x_low, const NumberType f_low, const NumberType g_low, const NumberType x_hi, const NumberType f_hi, const NumberType g_hi, const FiniteSizeHistory< NumberType > &x_rec, const FiniteSizeHistory< NumberType > &f_rec, const FiniteSizeHistory< NumberType > &g_rec, const std::pair< NumberType, NumberType > bounds)> &interpolate, const NumberType a1, const NumberType eta=0.9, const NumberType mu=0.01, const NumberType a_max=std::numeric_limits< NumberType >::max(), const unsigned int max_evaluations=20, const bool debug_output=false)