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15 #ifndef BONMINSOLVER_H
16 #define BONMINSOLVER_H
205 std::string bonminErrorMsg;
296 Bonmin::BonminSetup bonminSetup;
298 std::
string bonminErrorMsg;
Used to read an OSiL string.
Bonmin::TMINLP::SolverReturn status
virtual bool eval_f(Ipopt::Index n, const Ipopt::Number *x, bool new_x, Ipopt::Number &obj_value)
Method to return the objective value.
Used to read an OSoL string.
The in-memory representation of an OSiL instance..
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.
Take an OSResult object and write a string that validates against OSrL.
Ipopt::SmartPtr< BonminProblem > tminlp
virtual const SosInfo * sosConstraints() const
This file defines the OSInstance class along with its supporting classes.
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_constraints_linearity(Ipopt::Index m, Ipopt::TNLP::LinearityType *const_types)
Pass the type of the constraints (LINEAR, NON_LINEAR) to the optimizer.
~BonminSolver()
the IpoptSolver class destructor
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 void setSolverOptions()
The implementation of the virtual functions.
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.
OSoLReader * m_osolreader
m_osolreader is an OSoLReader object used to create an osoption from an osol string if needed
virtual void buildSolverInstance()
buildSolverInstance is a virtual function – the actual solvers will implement their own buildSolverIn...
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...
BonminProblem(OSInstance *osinstance_, OSOption *osoption_)
the BonminProblemclass constructor
OSiLReader * m_osilreader
m_osilreader is an OSiLReader object used to create an osinstance from an osil string if needed
used for throwing exceptions.
virtual ~BonminProblem()
the BonminProblem class destructor
void writeResult()
use this to write the solution information to an OSResult object
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.
BonminSolver()
the BonminSolver class constructor
virtual const BranchingInfo * branchingInfo() const
The BonminSolver class solves problems using Ipopt.
Bonmin::TMINLP::SolverReturn status
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)
void printSolutionAtEndOfAlgorithm()
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 bool get_variables_types(Ipopt::Index n, VariableType *var_types)
Pass the type of the variables (INTEGER, BINARY, CONTINUOUS) to the optimizer.
virtual void solve()
solve results in an instance being read into the Bonmin data structrues and optimized
virtual bool get_variables_linearity(Ipopt::Index n, Ipopt::TNLP::LinearityType *var_types)
Pass info about linear and nonlinear variables.
void dataEchoCheck()
use this for debugging, print out the instance that the solver thinks it has and compare this with th...
The Default Solver Class.
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...
This file defines the OSnLNode class along with its derived classes.