SCIP_NlpiProblem Struct Reference

Detailed Description

Definition at line 123 of file nlpi_ipopt.cpp.

Public Member Functions
	SCIP_NlpiProblem ()

Data Fields
SCIP_NLPIORACLE *	oracle
SmartPtr< IpoptApplication >	ipopt
SmartPtr< ScipNLP >	nlp
std::string	optfile
bool	storeintermediate
bool	fastfail
SCIP_Bool	firstrun
SCIP_Real *	initguess
SCIP_NLPSOLSTAT	lastsolstat
SCIP_NLPTERMSTAT	lasttermstat
SCIP_Real *	lastsolprimals
SCIP_Real *	lastsoldualcons
SCIP_Real *	lastsoldualvarlb
SCIP_Real *	lastsoldualvarub
SCIP_Real	lastsolinfeas
int	lastniter
SCIP_Real	lasttime

Constructor & Destructor Documentation

SCIP_NlpiProblem::SCIP_NlpiProblem ( )

inline

constructor

Definition at line 148 of file nlpi_ipopt.cpp.

Field Documentation

SCIP_NLPIORACLE* SCIP_NlpiProblem::oracle

Oracle-helper to store and evaluate NLP

Definition at line 126 of file nlpi_ipopt.cpp.

Referenced by SCIPgetNlpiOracleIpopt().

SmartPtr<IpoptApplication> SCIP_NlpiProblem::ipopt

Ipopt application

Definition at line 128 of file nlpi_ipopt.cpp.

Referenced by SCIPgetIpoptApplicationPointerIpopt(), and setFeastol().

SmartPtr<ScipNLP> SCIP_NlpiProblem::nlp

NLP in Ipopt form

Definition at line 129 of file nlpi_ipopt.cpp.

std::string SCIP_NlpiProblem::optfile

name of options file

Definition at line 130 of file nlpi_ipopt.cpp.

bool SCIP_NlpiProblem::storeintermediate

whether to store intermediate solutions

Definition at line 131 of file nlpi_ipopt.cpp.

bool SCIP_NlpiProblem::fastfail

whether to stop Ipopt if convergence seems slow

Definition at line 132 of file nlpi_ipopt.cpp.

SCIP_Bool SCIP_NlpiProblem::firstrun

whether the next NLP solve will be the first one (with the current problem structure)

Definition at line 134 of file nlpi_ipopt.cpp.

SCIP_Real* SCIP_NlpiProblem::initguess

initial values for primal variables, or NULL if not known

Definition at line 135 of file nlpi_ipopt.cpp.

SCIP_NLPSOLSTAT SCIP_NlpiProblem::lastsolstat

solution status from last run

Definition at line 137 of file nlpi_ipopt.cpp.

Referenced by invalidateSolution().

SCIP_NLPTERMSTAT SCIP_NlpiProblem::lasttermstat

termination status from last run

Definition at line 138 of file nlpi_ipopt.cpp.

Referenced by invalidateSolution().

SCIP_Real* SCIP_NlpiProblem::lastsolprimals

primal solution values from last run, if available

Definition at line 139 of file nlpi_ipopt.cpp.

Referenced by invalidateSolution().

SCIP_Real* SCIP_NlpiProblem::lastsoldualcons

dual solution values of constraints from last run, if available

Definition at line 140 of file nlpi_ipopt.cpp.

Referenced by invalidateSolution().

SCIP_Real* SCIP_NlpiProblem::lastsoldualvarlb

dual solution values of variable lower bounds from last run, if available

Definition at line 141 of file nlpi_ipopt.cpp.

Referenced by invalidateSolution().

SCIP_Real* SCIP_NlpiProblem::lastsoldualvarub

dual solution values of variable upper bounds from last run, if available

Definition at line 142 of file nlpi_ipopt.cpp.

Referenced by invalidateSolution().

SCIP_Real SCIP_NlpiProblem::lastsolinfeas

infeasibility (constraint violation) of solution stored in lastsolprimals

Definition at line 143 of file nlpi_ipopt.cpp.

Referenced by invalidateSolution().

int SCIP_NlpiProblem::lastniter

number of iterations in last run

Definition at line 144 of file nlpi_ipopt.cpp.

SCIP_Real SCIP_NlpiProblem::lasttime

time spend in last run

Definition at line 145 of file nlpi_ipopt.cpp.