Scippy

SCIP

Solving Constraint Integer Programs

Macros | Functions
nlpi_all.c File Reference
Public API of SCIP » Plugin API of SCIP » NLP Solver Interfaces

Detailed Description

NLP interface that uses all available NLP interfaces.

Author
Benjamin Mueller

Definition in file nlpi_all.c.

#include "nlpi/nlpi_all.h"
#include "nlpi/nlpi.h"
#include "scip/pub_misc.h"
#include <string.h>

Go to the source code of this file.

Macros

#define NLPI_NAME   "all" /* short concise name of solver */
 
#define NLPI_DESC   "NLP interface that uses all available NLP interfaces" /* description of solver */
 
#define NLPI_PRIORITY   -3000 /* priority of NLP solver */
 

Functions

static SCIP_DECL_NLPICOPY (nlpiCopyAll)
 
static SCIP_DECL_NLPIFREE (nlpiFreeAll)
 
static SCIP_DECL_NLPIGETSOLVERPOINTER (nlpiGetSolverPointerAll)
 
static SCIP_DECL_NLPICREATEPROBLEM (nlpiCreateProblemAll)
 
static SCIP_DECL_NLPIFREEPROBLEM (nlpiFreeProblemAll)
 
static SCIP_DECL_NLPIGETPROBLEMPOINTER (nlpiGetProblemPointerAll)
 
static SCIP_DECL_NLPIADDVARS (nlpiAddVarsAll)
 
static SCIP_DECL_NLPIADDCONSTRAINTS (nlpiAddConstraintsAll)
 
static SCIP_DECL_NLPISETOBJECTIVE (nlpiSetObjectiveAll)
 
static SCIP_DECL_NLPICHGVARBOUNDS (nlpiChgVarBoundsAll)
 
static SCIP_DECL_NLPICHGCONSSIDES (nlpiChgConsSidesAll)
 
static SCIP_DECL_NLPIDELVARSET (nlpiDelVarSetAll)
 
static SCIP_DECL_NLPIDELCONSSET (nlpiDelConstraintSetAll)
 
static SCIP_DECL_NLPICHGLINEARCOEFS (nlpiChgLinearCoefsAll)
 
static SCIP_DECL_NLPICHGQUADCOEFS (nlpiChgQuadraticCoefsAll)
 
static SCIP_DECL_NLPICHGEXPRTREE (nlpiChgExprtreeAll)
 
static SCIP_DECL_NLPICHGNONLINCOEF (nlpiChgNonlinCoefAll)
 
static SCIP_DECL_NLPICHGOBJCONSTANT (nlpiChgObjConstantAll)
 
static SCIP_DECL_NLPISETINITIALGUESS (nlpiSetInitialGuessAll)
 
static SCIP_DECL_NLPISOLVE (nlpiSolveAll)
 
static SCIP_DECL_NLPIGETSOLSTAT (nlpiGetSolstatAll)
 
static SCIP_DECL_NLPIGETTERMSTAT (nlpiGetTermstatAll)
 
static SCIP_DECL_NLPIGETSOLUTION (nlpiGetSolutionAll)
 
static SCIP_DECL_NLPIGETSTATISTICS (nlpiGetStatisticsAll)
 
static SCIP_DECL_NLPIGETWARMSTARTSIZE (nlpiGetWarmstartSizeAll)
 
static SCIP_DECL_NLPIGETWARMSTARTMEMO (nlpiGetWarmstartMemoAll)
 
static SCIP_DECL_NLPISETWARMSTARTMEMO (nlpiSetWarmstartMemoAll)
 
static SCIP_DECL_NLPIGETINTPAR (nlpiGetIntParAll)
 
static SCIP_DECL_NLPISETINTPAR (nlpiSetIntParAll)
 
static SCIP_DECL_NLPIGETREALPAR (nlpiGetRealParAll)
 
static SCIP_DECL_NLPISETREALPAR (nlpiSetRealParAll)
 
static SCIP_DECL_NLPIGETSTRINGPAR (nlpiGetStringParAll)
 
static SCIP_DECL_NLPISETSTRINGPAR (nlpiSetStringParAll)
 
static SCIP_DECL_NLPISETMESSAGEHDLR (nlpiSetMessageHdlrAll)
 
SCIP_RETCODE SCIPcreateNlpSolverAll (BMS_BLKMEM *blkmem, SCIP_NLPI **nlpi, SCIP_NLPI **nlpis, int nnlpis)
 

Macro Definition Documentation

◆ NLPI_NAME

#define NLPI_NAME   "all" /* short concise name of solver */

Definition at line 30 of file nlpi_all.c.

Referenced by SCIPcreateNlpSolverAll().

◆ NLPI_DESC

#define NLPI_DESC   "NLP interface that uses all available NLP interfaces" /* description of solver */

Definition at line 31 of file nlpi_all.c.

Referenced by SCIPcreateNlpSolverAll().

◆ NLPI_PRIORITY

#define NLPI_PRIORITY   -3000 /* priority of NLP solver */

Definition at line 32 of file nlpi_all.c.

Referenced by SCIPcreateNlpSolverAll().

Function Documentation

◆ SCIP_DECL_NLPICOPY()

static SCIP_DECL_NLPICOPY ( nlpiCopyAll  )
static

copy method of NLP interface (called when SCIP copies plugins)

input:

  • blkmem block memory in target SCIP
  • sourcenlpi the NLP interface to copy
  • targetnlpi buffer to store pointer to copy of NLP interface

Definition at line 73 of file nlpi_all.c.

References infinity, SCIP_CALL, SCIP_NLPPAR_INFINITY, SCIP_OKAY, SCIP_Real, SCIPcreateNlpSolverAll(), SCIPnlpiGetData(), SCIPnlpiGetRealPar(), SCIPnlpiSetMessageHdlr(), and SCIPnlpiSetRealPar().

◆ SCIP_DECL_NLPIFREE()

static SCIP_DECL_NLPIFREE ( nlpiFreeAll  )
static

destructor of NLP interface to free nlpi data

input:

  • nlpi datastructure for solver interface

Definition at line 103 of file nlpi_all.c.

References BMSfreeBlockMemory, BMSfreeBlockMemoryArrayNull, SCIP_CALL, SCIP_OKAY, SCIPnlpiFree(), and SCIPnlpiGetData().

◆ SCIP_DECL_NLPIGETSOLVERPOINTER()

static SCIP_DECL_NLPIGETSOLVERPOINTER ( nlpiGetSolverPointerAll  )
static

gets pointer for NLP solver

to do dirty stuff

input:

  • nlpi datastructure for solver interface

return: void pointer to solver

Definition at line 134 of file nlpi_all.c.

◆ SCIP_DECL_NLPICREATEPROBLEM()

static SCIP_DECL_NLPICREATEPROBLEM ( nlpiCreateProblemAll  )
static

creates a problem instance

input:

  • nlpi datastructure for solver interface
  • problem pointer to store the problem data
  • name name of problem, can be NULL

Definition at line 149 of file nlpi_all.c.

References BMSallocBlockMemory, BMSallocBlockMemoryArray, BMSclearMemory, SCIP_ALLOC, SCIP_CALL, SCIP_NOMEMORY, SCIP_OKAY, SCIPnlpiCreateProblem(), and SCIPnlpiGetData().

◆ SCIP_DECL_NLPIFREEPROBLEM()

static SCIP_DECL_NLPIFREEPROBLEM ( nlpiFreeProblemAll  )
static

free a problem instance

input:

  • nlpi datastructure for solver interface
  • problem pointer where problem data is stored

Definition at line 185 of file nlpi_all.c.

References BMSfreeBlockMemory, BMSfreeBlockMemoryArrayNull, SCIP_CALL, SCIP_OKAY, SCIPnlpiFreeProblem(), and SCIPnlpiGetData().

◆ SCIP_DECL_NLPIGETPROBLEMPOINTER()

static SCIP_DECL_NLPIGETPROBLEMPOINTER ( nlpiGetProblemPointerAll  )
static

gets pointer to solver-internal problem instance

to do dirty stuff

input:

  • nlpi datastructure for solver interface
  • problem datastructure for problem instance

return: void pointer to problem instance

Definition at line 220 of file nlpi_all.c.

◆ SCIP_DECL_NLPIADDVARS()

static SCIP_DECL_NLPIADDVARS ( nlpiAddVarsAll  )
static

add variables

input:

  • nlpi datastructure for solver interface
  • problem datastructure for problem instance
  • nvars number of variables
  • lbs lower bounds of variables, can be NULL if -infinity
  • ubs upper bounds of variables, can be NULL if +infinity
  • varnames names of variables, can be NULL

Definition at line 239 of file nlpi_all.c.

References SCIP_CALL, SCIP_OKAY, SCIPnlpiAddVars(), and SCIPnlpiGetData().

◆ SCIP_DECL_NLPIADDCONSTRAINTS()

static SCIP_DECL_NLPIADDCONSTRAINTS ( nlpiAddConstraintsAll  )
static

add constraints quadratic coefficiens: row oriented matrix for each constraint

input:

  • nlpi datastructure for solver interface
  • problem datastructure for problem instance
  • ncons number of added constraints
  • lhss left hand sides of constraints
  • rhss right hand sides of constraints
  • nlininds number of linear coefficients for each constraint may be NULL in case of no linear part
  • lininds indices of variables for linear coefficients for each constraint may be NULL in case of no linear part
  • linvals values of linear coefficient for each constraint may be NULL in case of no linear part
  • nquadrows number of columns in matrix of quadratic part for each constraint may be NULL in case of no quadratic part in any constraint
  • quadrowidxs indices of variables for which a quadratic part is specified may be NULL in case of no quadratic part in any constraint
  • quadoffsets start index of each rows quadratic coefficients in quadinds[.] and quadvals[.] indices are given w.r.t. quadrowidxs., i.e., quadoffsets[.][i] gives the start index of row quadrowidxs[.][i] in quadvals[.] quadoffsets[.][nquadrows[.]] gives length of quadinds[.] and quadvals[.] entry of array may be NULL in case of no quadratic part may be NULL in case of no quadratic part in any constraint
  • quadinds column indices w.r.t. quadrowidxs, i.e., quadrowidxs[quadinds[.][i]] gives the index of the variable corresponding to entry i, entry of array may be NULL in case of no quadratic part may be NULL in case of no quadratic part in any constraint
  • quadvals coefficient values entry of array may be NULL in case of no quadratic part may be NULL in case of no quadratic part in any constraint
  • exprvaridxs indices of variables in expression tree, maps variable indices in expression tree to indices in nlp entry of array may be NULL in case of no expression tree may be NULL in case of no expression tree in any constraint
  • exprtrees expression tree for nonquadratic part of constraints entry of array may be NULL in case of no nonquadratic part may be NULL in case of no nonquadratic part in any constraint
  • names of constraints, may be NULL or entries may be NULL

Definition at line 298 of file nlpi_all.c.

References SCIP_CALL, SCIP_OKAY, SCIPnlpiAddConstraints(), and SCIPnlpiGetData().

◆ SCIP_DECL_NLPISETOBJECTIVE()

static SCIP_DECL_NLPISETOBJECTIVE ( nlpiSetObjectiveAll  )
static

sets or overwrites objective, a minimization problem is expected May change sparsity pattern.

input:

  • nlpi datastructure for solver interface
  • problem datastructure for problem instance
  • nlins number of linear variables
  • lininds variable indices may be NULL in case of no linear part
  • linvals coefficient values may be NULL in case of no linear part
  • nquadcols number of columns in matrix of quadratic part
  • quadcols indices of variables for which a quadratic part is specified may be NULL in case of no quadratic part
  • quadoffsets start index of each rows quadratic coefficients in quadinds and quadvals quadoffsets[.][nquadcols] gives length of quadinds and quadvals may be NULL in case of no quadratic part
  • quadinds column indices may be NULL in case of no quadratic part
  • quadvals coefficient values may be NULL in case of no quadratic part
  • exprvaridxs indices of variables in expression tree, maps variable indices in expression tree to indices in nlp may be NULL in case of no expression tree
  • exprtree expression tree for nonquadratic part of objective function may be NULL in case of no nonquadratic part
  • constant objective value offset

Definition at line 346 of file nlpi_all.c.

References SCIP_CALL, SCIP_OKAY, SCIPnlpiGetData(), and SCIPnlpiSetObjective().

◆ SCIP_DECL_NLPICHGVARBOUNDS()

static SCIP_DECL_NLPICHGVARBOUNDS ( nlpiChgVarBoundsAll  )
static

change variable bounds

input:

  • nlpi datastructure for solver interface
  • problem datastructure for problem instance
  • nvars number of variables to change bounds
  • indices indices of variables to change bounds
  • lbs new lower bounds
  • ubs new upper bounds

Definition at line 377 of file nlpi_all.c.

References SCIP_CALL, SCIP_OKAY, SCIPnlpiChgVarBounds(), and SCIPnlpiGetData().

◆ SCIP_DECL_NLPICHGCONSSIDES()

static SCIP_DECL_NLPICHGCONSSIDES ( nlpiChgConsSidesAll  )
static

change constraint bounds

input:

  • nlpi datastructure for solver interface
  • problem datastructure for problem instance
  • nconss number of constraints to change sides
  • indices indices of constraints to change sides
  • lhss new left hand sides
  • rhss new right hand sides

Definition at line 407 of file nlpi_all.c.

References SCIP_CALL, SCIP_OKAY, SCIPnlpiChgConsSides(), and SCIPnlpiGetData().

◆ SCIP_DECL_NLPIDELVARSET()

static SCIP_DECL_NLPIDELVARSET ( nlpiDelVarSetAll  )
static

delete a set of variables

input:

  • nlpi datastructure for solver interface
  • problem datastructure for problem instance
  • dstats deletion status of vars; 1 if var should be deleted, 0 if not
  • size of the dstats array

output:

  • dstats new position of var, -1 if var was deleted

Definition at line 438 of file nlpi_all.c.

References BMSallocBlockMemoryArray, BMScopyMemoryArray, BMSfreeBlockMemoryArray, SCIP_ALLOC, SCIP_CALL, SCIP_OKAY, SCIPnlpiDelVarSet(), and SCIPnlpiGetData().

◆ SCIP_DECL_NLPIDELCONSSET()

static SCIP_DECL_NLPIDELCONSSET ( nlpiDelConstraintSetAll  )
static

delete a set of constraints

input:

  • nlpi datastructure for solver interface
  • problem datastructure for problem instance
  • dstats deletion status of rows; 1 if row should be deleted, 0 if not
  • size of the dstats array

output:

  • dstats new position of row, -1 if row was deleted

Definition at line 488 of file nlpi_all.c.

References BMSallocBlockMemoryArray, BMScopyMemoryArray, BMSfreeBlockMemoryArray, SCIP_ALLOC, SCIP_CALL, SCIP_OKAY, SCIPnlpiDelConsSet(), and SCIPnlpiGetData().

◆ SCIP_DECL_NLPICHGLINEARCOEFS()

static SCIP_DECL_NLPICHGLINEARCOEFS ( nlpiChgLinearCoefsAll  )
static

changes (or adds) linear coefficients in a constraint or objective

input:

  • nlpi datastructure for solver interface
  • problem datastructure for problem instance
  • idx index of constraint or -1 for objective
  • nvals number of values in linear constraint to change
  • varidxs indices of variables which coefficient to change
  • vals new values for coefficients

Definition at line 538 of file nlpi_all.c.

References SCIP_CALL, SCIP_OKAY, SCIPnlpiChgLinearCoefs(), and SCIPnlpiGetData().

◆ SCIP_DECL_NLPICHGQUADCOEFS()

static SCIP_DECL_NLPICHGQUADCOEFS ( nlpiChgQuadraticCoefsAll  )
static

changes (or adds) coefficients in the quadratic part of a constraint or objective

input:

  • nlpi datastructure for solver interface
  • problem datastructure for problem instance
  • idx index of constraint or -1 for objective
  • nentries number of entries in quadratic matrix to change
  • rows row indices of entries in quadratic matrix where values should be changed
  • cols column indices of entries in quadratic matrix where values should be changed
  • values new values for entries in quadratic matrix

Definition at line 569 of file nlpi_all.c.

References SCIP_CALL, SCIP_OKAY, SCIPnlpiChgQuadCoefs(), and SCIPnlpiGetData().

◆ SCIP_DECL_NLPICHGEXPRTREE()

static SCIP_DECL_NLPICHGEXPRTREE ( nlpiChgExprtreeAll  )
static

replaces the expression tree of a constraint or objective

input:

  • nlpi datastructure for solver interface
  • problem datastructure for problem instance
  • idxcons index of constraint or -1 for objective
  • exprvaridxs indices of variables in expression tree, maps variable indices in expression tree to indices in nlp, or NULL
  • exprtree new expression tree for constraint or objective, or NULL to only remove previous tree

Definition at line 598 of file nlpi_all.c.

References SCIP_CALL, SCIP_OKAY, SCIPnlpiChgExprtree(), and SCIPnlpiGetData().

◆ SCIP_DECL_NLPICHGNONLINCOEF()

static SCIP_DECL_NLPICHGNONLINCOEF ( nlpiChgNonlinCoefAll  )
static

change one coefficient in the nonlinear part

input:

  • nlpi datastructure for solver interface
  • problem datastructure for problem instance
  • idxcons index of constraint or -1 for objective
  • idxparam index of parameter
  • value new value for nonlinear parameter

return: Error if parameter does not exist

Definition at line 629 of file nlpi_all.c.

References SCIP_CALL, SCIP_OKAY, SCIPnlpiChgNonlinCoef(), and SCIPnlpiGetData().

◆ SCIP_DECL_NLPICHGOBJCONSTANT()

static SCIP_DECL_NLPICHGOBJCONSTANT ( nlpiChgObjConstantAll  )
static

change the constant offset in the objective

input:

  • nlpi datastructure for solver interface
  • problem datastructure for problem instance
  • objconstant new value for objective constant

Definition at line 656 of file nlpi_all.c.

References SCIP_CALL, SCIP_OKAY, SCIPnlpiChgObjConstant(), and SCIPnlpiGetData().

◆ SCIP_DECL_NLPISETINITIALGUESS()

static SCIP_DECL_NLPISETINITIALGUESS ( nlpiSetInitialGuessAll  )
static

sets initial guess for primal variables

input:

  • nlpi datastructure for solver interface
  • problem datastructure for problem instance
  • primalvalues initial primal values for variables, or NULL to clear previous values
  • consdualvalues initial dual values for constraints, or NULL to clear previous values
  • varlbdualvalues initial dual values for variable lower bounds, or NULL to clear previous values
  • varubdualvalues initial dual values for variable upper bounds, or NULL to clear previous values

Definition at line 686 of file nlpi_all.c.

References SCIP_CALL, SCIP_OKAY, SCIPnlpiGetData(), and SCIPnlpiSetInitialGuess().

◆ SCIP_DECL_NLPISOLVE()

static SCIP_DECL_NLPISOLVE ( nlpiSolveAll  )
static

tries to solve NLP

input:

  • nlpi datastructure for solver interface
  • problem datastructure for problem instance

Definition at line 713 of file nlpi_all.c.

References FALSE, infinity, SCIP_Bool, SCIP_CALL, SCIP_NLPPAR_INFINITY, SCIP_NLPSOLSTAT_FEASIBLE, SCIP_NLPSOLSTAT_LOCINFEASIBLE, SCIP_NLPSOLSTAT_UNKNOWN, SCIP_NLPTERMSTAT_OTHER, SCIP_OKAY, SCIP_Real, SCIPnlpiGetData(), SCIPnlpiGetName(), SCIPnlpiGetRealPar(), SCIPnlpiGetSolstat(), SCIPnlpiGetSolution(), SCIPnlpiGetStatistics(), SCIPnlpiGetTermstat(), SCIPnlpiSolve(), SCIPnlpStatisticsGetNIterations(), SCIPnlpStatisticsGetTotalTime(), SCIPstatisticMessage, and TRUE.

◆ SCIP_DECL_NLPIGETSOLSTAT()

static SCIP_DECL_NLPIGETSOLSTAT ( nlpiGetSolstatAll  )
static

gives solution status

input:

  • nlpi datastructure for solver interface
  • problem datastructure for problem instance

return: Solution Status

Definition at line 810 of file nlpi_all.c.

References SCIPnlpiGetData(), and SCIPnlpiGetSolstat().

◆ SCIP_DECL_NLPIGETTERMSTAT()

static SCIP_DECL_NLPIGETTERMSTAT ( nlpiGetTermstatAll  )
static

gives termination reason

input:

  • nlpi datastructure for solver interface
  • problem datastructure for problem instance

return: Termination Status

Definition at line 834 of file nlpi_all.c.

References SCIPnlpiGetData(), and SCIPnlpiGetTermstat().

◆ SCIP_DECL_NLPIGETSOLUTION()

static SCIP_DECL_NLPIGETSOLUTION ( nlpiGetSolutionAll  )
static

gives primal and dual solution values

solver can return NULL in dual values if not available but if solver provides dual values for one side of variable bounds, then it must also provide those for the other side

for a ranged constraint, the dual variable is positive if the right hand side is active and negative if the left hand side is active

input:

  • nlpi datastructure for solver interface
  • problem datastructure for problem instance
  • primalvalues buffer to store pointer to array to primal values, or NULL if not needed
  • consdualvalues buffer to store pointer to array to dual values of constraints, or NULL if not needed
  • varlbdualvalues buffer to store pointer to array to dual values of variable lower bounds, or NULL if not needed
  • varubdualvalues buffer to store pointer to array to dual values of variable lower bounds, or NULL if not needed
  • objval pointer store the objective value, or NULL if not needed

Definition at line 866 of file nlpi_all.c.

References SCIP_CALL, SCIP_OKAY, SCIPnlpiGetData(), and SCIPnlpiGetSolution().

◆ SCIP_DECL_NLPIGETSTATISTICS()

static SCIP_DECL_NLPIGETSTATISTICS ( nlpiGetStatisticsAll  )
static

gives solve statistics

input:

  • nlpi datastructure for solver interface
  • problem datastructure for problem instance
  • statistics pointer to store statistics

output:

  • statistics solve statistics

Definition at line 895 of file nlpi_all.c.

References SCIP_CALL, SCIP_OKAY, SCIPnlpiGetData(), and SCIPnlpiGetStatistics().

◆ SCIP_DECL_NLPIGETWARMSTARTSIZE()

static SCIP_DECL_NLPIGETWARMSTARTSIZE ( nlpiGetWarmstartSizeAll  )
static

gives required size of a buffer to store a warmstart object

input:

  • nlpi datastructure for solver interface
  • problem datastructure for problem instance
  • size pointer to store required size for warmstart buffer

output:

  • size required size for warmstart buffer

Definition at line 924 of file nlpi_all.c.

References SCIP_OKAY, and SCIPerrorMessage.

◆ SCIP_DECL_NLPIGETWARMSTARTMEMO()

static SCIP_DECL_NLPIGETWARMSTARTMEMO ( nlpiGetWarmstartMemoAll  )
static

stores warmstart information in buffer

required size of buffer should have been obtained by SCIPnlpiGetWarmstartSize before

input:

  • nlpi datastructure for solver interface
  • problem datastructure for problem instance
  • buffer memory to store warmstart information

output:

  • buffer warmstart information in solver specific data structure

Definition at line 943 of file nlpi_all.c.

References SCIP_OKAY, and SCIPerrorMessage.

◆ SCIP_DECL_NLPISETWARMSTARTMEMO()

static SCIP_DECL_NLPISETWARMSTARTMEMO ( nlpiSetWarmstartMemoAll  )
static

sets warmstart information in solver

write warmstart to buffer

input:

  • nlpi datastructure for solver interface
  • problem datastructure for problem instance
  • buffer warmstart information

Definition at line 959 of file nlpi_all.c.

References SCIP_OKAY, and SCIPerrorMessage.

◆ SCIP_DECL_NLPIGETINTPAR()

static SCIP_DECL_NLPIGETINTPAR ( nlpiGetIntParAll  )
static

gets integer parameter of NLP

input:

  • nlpi NLP interface structure
  • problem datastructure for problem instance
  • type parameter number
  • ival pointer to store the parameter value

output:

  • ival parameter value

Definition at line 977 of file nlpi_all.c.

References SCIP_CALL, SCIP_OKAY, SCIPnlpiGetData(), and SCIPnlpiGetIntPar().

◆ SCIP_DECL_NLPISETINTPAR()

static SCIP_DECL_NLPISETINTPAR ( nlpiSetIntParAll  )
static

sets integer parameter of NLP

input:

  • nlpi NLP interface structure
  • problem datastructure for problem instance
  • type parameter number
  • ival parameter value

Definition at line 1001 of file nlpi_all.c.

References SCIP_CALL, SCIP_OKAY, SCIPnlpiGetData(), and SCIPnlpiSetIntPar().

◆ SCIP_DECL_NLPIGETREALPAR()

static SCIP_DECL_NLPIGETREALPAR ( nlpiGetRealParAll  )
static

gets floating point parameter of NLP

input:

  • nlpi NLP interface structure
  • problem datastructure for problem instance, can be NULL only if type == SCIP_NLPPAR_INFINITY
  • type parameter number
  • dval pointer to store the parameter value

output:

  • dval parameter value

Definition at line 1032 of file nlpi_all.c.

References SCIP_CALL, SCIP_OKAY, SCIPnlpiGetData(), and SCIPnlpiGetRealPar().

◆ SCIP_DECL_NLPISETREALPAR()

static SCIP_DECL_NLPISETREALPAR ( nlpiSetRealParAll  )
static

sets floating point parameter of NLP

input:

  • nlpi NLP interface structure
  • problem datastructure for problem instance, can be NULL only if type == SCIP_NLPPAR_INFINITY
  • type parameter number
  • dval parameter value

Definition at line 1056 of file nlpi_all.c.

References SCIP_CALL, SCIP_NLPPAR_INFINITY, SCIP_OKAY, SCIPnlpiGetData(), and SCIPnlpiSetRealPar().

◆ SCIP_DECL_NLPIGETSTRINGPAR()

static SCIP_DECL_NLPIGETSTRINGPAR ( nlpiGetStringParAll  )
static

gets string parameter of NLP

input:

  • nlpi NLP interface structure
  • problem datastructure for problem instance
  • type parameter number
  • sval pointer to store the string value, the user must not modify the string

output:

  • sval parameter value

Definition at line 1096 of file nlpi_all.c.

References SCIP_CALL, SCIP_OKAY, SCIPnlpiGetData(), and SCIPnlpiGetStringPar().

◆ SCIP_DECL_NLPISETSTRINGPAR()

static SCIP_DECL_NLPISETSTRINGPAR ( nlpiSetStringParAll  )
static

sets string parameter of NLP

input:

  • nlpi NLP interface structure
  • problem datastructure for problem instance
  • type parameter number
  • sval parameter value

Definition at line 1120 of file nlpi_all.c.

References SCIP_CALL, SCIP_OKAY, SCIPnlpiGetData(), and SCIPnlpiSetStringPar().

◆ SCIP_DECL_NLPISETMESSAGEHDLR()

static SCIP_DECL_NLPISETMESSAGEHDLR ( nlpiSetMessageHdlrAll  )
static

sets message handler for message output

input:

  • nlpi NLP interface structure
  • messagehdlr SCIP message handler, or NULL to suppress all output

Definition at line 1146 of file nlpi_all.c.

References SCIP_CALL, SCIP_OKAY, SCIPnlpiGetData(), and SCIPnlpiSetMessageHdlr().