59     explicit Options(const Solver::Options& options) {  in Options()
60       Init(options);  in Options()
63     void Init(const Solver::Options& options) {  in Init()
64       num_threads = options.num_threads;  in Init()
65       max_num_iterations = options.max_num_iterations;  in Init()
66       max_solver_time_in_seconds = options.max_solver_time_in_seconds;  in Init()
68       gradient_tolerance = options.gradient_tolerance;  in Init()
69       parameter_tolerance = options.parameter_tolerance;  in Init()
70       function_tolerance = options.function_tolerance;  in Init()
71       min_relative_decrease = options.min_relative_decrease;  in Init()
72       eta = options.eta;  in Init()
73       jacobi_scaling = options.jacobi_scaling;  in Init()
74       use_nonmonotonic_steps = options.use_nonmonotonic_steps;  in Init()
76           options.max_consecutive_nonmonotonic_steps;  in Init()
78           options.trust_region_problem_dump_directory;  in Init()
80           options.trust_region_minimizer_iterations_to_dump;  in Init()
82           options.trust_region_problem_dump_format_type;  in Init()
84           options.max_num_consecutive_invalid_steps;  in Init()
85       min_trust_region_radius = options.min_trust_region_radius;  in Init()
86       line_search_direction_type = options.line_search_direction_type;  in Init()
87       line_search_type = options.line_search_type;  in Init()
89           options.nonlinear_conjugate_gradient_type;  in Init()
90       max_lbfgs_rank = options.max_lbfgs_rank;  in Init()
92           options.use_approximate_eigenvalue_bfgs_scaling;  in Init()
94           options.line_search_interpolation_type;  in Init()
95       min_line_search_step_size = options.min_line_search_step_size;  in Init()
97           options.line_search_sufficient_function_decrease;  in Init()
99           options.max_line_search_step_contraction;  in Init()
101           options.min_line_search_step_contraction;  in Init()
103           options.max_num_line_search_step_size_iterations;  in Init()
105           options.max_num_line_search_direction_restarts;  in Init()
107           options.line_search_sufficient_curvature_decrease;  in Init()
109           options.max_line_search_step_expansion;  in Init()
110       is_silent = (options.logging_type == SILENT);  in Init()
114       callbacks = options.callbacks;  in Init()
116       inner_iteration_tolerance = options.inner_iteration_tolerance;  in Init()
189   static bool RunCallbacks(const Options& options,
197   virtual void Minimize(const Options& options,