15 #ifndef BONMINSOLVER_H
16 #define BONMINSOLVER_H
205 std::string bonminErrorMsg;
296 Bonmin::BonminSetup bonminSetup;
298 std::
string bonminErrorMsg;
This file defines the OSInstance class along with its supporting classes.
This file defines the OSnLNode class along with its derived classes.
virtual bool get_nlp_info(Ipopt::Index &n, Ipopt::Index &m, Ipopt::Index &nnz_jac_g, Ipopt::Index &nnz_h_lag, Ipopt::TNLP::IndexStyleEnum &index_style)
Method to pass the main dimensions of the problem to Ipopt.
virtual bool get_constraints_linearity(Ipopt::Index m, Ipopt::TNLP::LinearityType *const_types)
Pass the type of the constraints (LINEAR, NON_LINEAR) to the optimizer.
virtual bool get_scaling_parameters(Ipopt::Number &obj_scaling, bool &use_x_scaling, Ipopt::Index n, Ipopt::Number *x_scaling, bool &use_g_scaling, Ipopt::Index m, Ipopt::Number *g_scaling)
virtual void finalize_solution(Bonmin::TMINLP::SolverReturn status_, Ipopt::Index n, const Ipopt::Number *x, Ipopt::Number obj_value)
Method called by Ipopt at the end of optimization.
virtual bool eval_f(Ipopt::Index n, const Ipopt::Number *x, bool new_x, Ipopt::Number &obj_value)
Method to return the objective value.
virtual bool eval_g(Ipopt::Index n, const Ipopt::Number *x, bool new_x, Ipopt::Index m, Ipopt::Number *g)
Method to return the constraint residuals.
virtual const SosInfo * sosConstraints() const
virtual bool get_variables_types(Ipopt::Index n, VariableType *var_types)
Pass the type of the variables (INTEGER, BINARY, CONTINUOUS) to the optimizer.
virtual bool get_starting_point(Ipopt::Index n, bool init_x, Ipopt::Number *x, bool init_z, Ipopt::Number *z_L, Ipopt::Number *z_U, Ipopt::Index m, bool init_lambda, Ipopt::Number *lambda)
Method to return the starting point for the algorithm.
virtual bool get_bounds_info(Ipopt::Index n, Ipopt::Number *x_l, Ipopt::Number *x_u, Ipopt::Index m, Ipopt::Number *g_l, Ipopt::Number *g_u)
Bonmin specific methods for defining the nlp problem.
Bonmin::TMINLP::SolverReturn status
void printSolutionAtEndOfAlgorithm()
virtual bool eval_jac_g(Ipopt::Index n, const Ipopt::Number *x, bool new_x, Ipopt::Index m, Ipopt::Index nele_jac, Ipopt::Index *iRow, Ipopt::Index *jCol, Ipopt::Number *values)
Method to return: 1) The structure of the jacobian (if "values" is NULL) 2) The values of the jacobia...
BonminProblem(OSInstance *osinstance_, OSOption *osoption_)
the BonminProblemclass constructor
virtual bool eval_h(Ipopt::Index n, const Ipopt::Number *x, bool new_x, Ipopt::Number obj_factor, Ipopt::Index m, const Ipopt::Number *lambda, bool new_lambda, Ipopt::Index nele_hess, Ipopt::Index *iRow, Ipopt::Index *jCol, Ipopt::Number *values)
Method to return: 1) The structure of the hessian of the lagrangian (if "values" is NULL) 2) The valu...
virtual bool get_variables_linearity(Ipopt::Index n, Ipopt::TNLP::LinearityType *var_types)
Pass info about linear and nonlinear variables.
virtual ~BonminProblem()
the BonminProblem class destructor
virtual const BranchingInfo * branchingInfo() const
virtual bool eval_grad_f(Ipopt::Index n, const Ipopt::Number *x, bool new_x, Ipopt::Number *grad_f)
Method to return the gradient of the objective.
The BonminSolver class solves problems using Ipopt.
Bonmin::TMINLP::SolverReturn status
Ipopt::SmartPtr< BonminProblem > tminlp
virtual void setSolverOptions()
The implementation of the virtual functions.
void dataEchoCheck()
use this for debugging, print out the instance that the solver thinks it has and compare this with th...
OSiLReader * m_osilreader
m_osilreader is an OSiLReader object used to create an osinstance from an osil string if needed
void writeResult()
use this to write the solution information to an OSResult object
virtual void solve()
solve results in an instance being read into the Bonmin data structrues and optimized
OSoLReader * m_osolreader
m_osolreader is an OSoLReader object used to create an osoption from an osol string if needed
~BonminSolver()
the IpoptSolver class destructor
virtual void buildSolverInstance()
buildSolverInstance is a virtual function – the actual solvers will implement their own buildSolverIn...
BonminSolver()
the BonminSolver class constructor
The Default Solver Class.
used for throwing exceptions.
The in-memory representation of an OSiL instance.
Used to read an OSiL string.
Used to read an OSoL string.
Take an OSResult object and write a string that validates against OSrL.