/** gives termination reason
*
* input:
* - nlpi datastructure for solver interface
* - problem datastructure for problem instance
*
* return: Termination Status
*/
static
SCIP_DECL_NLPIGETTERMSTAT( nlpiGetTermstatXyz )
{
SCIPerrorMessage("method of xyz nonlinear solver is not implemented\n");
SCIPABORT();
return SCIP_NLPTERMSTAT_OTHER; /*lint !e527*/
} /*lint !e715*/
/** 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
*/
static
SCIP_DECL_NLPIGETSOLUTION( nlpiGetSolutionXyz )
{
SCIPerrorMessage("method of xyz nonlinear solver is not implemented\n");
SCIPABORT();
return SCIP_OKAY; /*lint !e527*/
} /*lint !e715*/
static
SCIP_DECL_COMPRINIT(comprInitXyz)
{ /*lint --e{715}*/
SCIPerrorMessage("method of xyz tree compression not implemented yet\n");
SCIPABORT(); /*lint --e{527}*/
return SCIP_OKAY;
}
/** gives solution status
*
* input:
* - nlpi datastructure for solver interface
* - problem datastructure for problem instance
*
* return: Solution Status
*/
static
SCIP_DECL_NLPIGETSOLSTAT( nlpiGetSolstatXyz )
{
SCIPerrorMessage("method of xyz nonlinear solver is not implemented\n");
SCIPABORT();
return SCIP_NLPSOLSTAT_UNKNOWN; /*lint !e527*/
} /*lint !e715*/
/** destructor of NLP interface to free nlpi data
*
* input:
* - nlpi datastructure for solver interface
*/
static
SCIP_DECL_NLPIFREE( nlpiFreeXyz )
{
SCIPerrorMessage("method of xyz nonlinear solver is not implemented\n");
SCIPABORT();
return SCIP_OKAY; /*lint !e527*/
} /*lint !e715*/
static
SCIP_DECL_CONSPARSE(consParseXyz)
{ /*lint --e{715}*/
SCIPerrorMessage("method of xyz constraint handler not implemented yet\n");
SCIPABORT(); /*lint --e{527}*/
return SCIP_OKAY;
}
/** 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
*
* output:
* - dstats new position of row, -1 if row was deleted
*/
static
SCIP_DECL_NLPIDELCONSSET( nlpiDelConstraintSetXyz )
{
SCIPerrorMessage("method of xyz nonlinear solver is not implemented\n");
SCIPABORT();
return SCIP_OKAY; /*lint !e527*/
} /*lint !e715*/
/** 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
*/
static
SCIP_DECL_NLPIGETREALPAR( nlpiGetRealParXyz )
{
SCIPerrorMessage("method of xyz nonlinear solver is not implemented\n");
SCIPABORT();
return SCIP_OKAY; /*lint !e527*/
} /*lint !e715*/
/** 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
*/
static
SCIP_DECL_NLPICHGVARBOUNDS( nlpiChgVarBoundsXyz )
{
SCIPerrorMessage("method of xyz nonlinear solver is not implemented\n");
SCIPABORT();
return SCIP_OKAY; /*lint !e527*/
} /*lint !e715*/
/** 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
*/
static
SCIP_DECL_NLPICHGCONSSIDES( nlpiChgConsSidesXyz )
{
SCIPerrorMessage("method of xyz nonlinear solver is not implemented\n");
SCIPABORT();
return SCIP_OKAY; /*lint !e527*/
} /*lint !e715*/
/** 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
*/
static
SCIP_DECL_NLPISETOBJECTIVE( nlpiSetObjectiveXyz )
{
SCIPerrorMessage("method of xyz nonlinear solver is not implemented\n");
SCIPABORT();
return SCIP_OKAY; /*lint !e527*/
} /*lint !e715*/
/** 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
*/
static
SCIP_DECL_NLPIADDCONSTRAINTS( nlpiAddConstraintsXyz )
{
SCIPerrorMessage("method of xyz nonlinear solver is not implemented\n");
SCIPABORT();
return SCIP_OKAY; /*lint !e527*/
} /*lint !e715*/
/** 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
*/
static
SCIP_DECL_NLPIGETPROBLEMPOINTER(nlpiGetProblemPointerXyz)
{
SCIPerrorMessage("method of xyz nonlinear solver is not implemented\n");
SCIPABORT();
return NULL; /*lint !e527*/
} /*lint !e715*/
/** creates a problem instance
*
* input:
* - nlpi datastructure for solver interface
* - problem pointer to store the problem data
* - name name of problem, can be NULL
*/
static
SCIP_DECL_NLPICREATEPROBLEM(nlpiCreateProblemXyz)
{
SCIPerrorMessage("method of xyz nonlinear solver is not implemented\n");
SCIPABORT();
return SCIP_OKAY; /*lint !e527*/
} /*lint !e715*/
/** 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
*/
static
SCIP_DECL_NLPICHGQUADCOEFS( nlpiChgQuadraticCoefsXyz )
{
SCIPerrorMessage("method of xyz nonlinear solver is not implemented\n");
SCIPABORT();
return SCIP_OKAY; /*lint !e527*/
} /*lint !e715*/
/** sets warmstart information in solver
*
* write warmstart to buffer
*
* input:
* - nlpi datastructure for solver interface
* - problem datastructure for problem instance
* - buffer warmstart information
*/
static
SCIP_DECL_NLPISETWARMSTARTMEMO( nlpiSetWarmstartMemoXyz )
{
SCIPerrorMessage("method of xyz nonlinear solver is not implemented\n");
SCIPABORT();
return SCIP_OKAY; /*lint !e527*/
} /*lint !e715*/
/** 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
*/
static
SCIP_DECL_NLPICHGNONLINCOEF( nlpiChgNonlinCoefXyz )
{
SCIPerrorMessage("method of xyz nonlinear solver is not implemented\n");
SCIPABORT();
return SCIP_OKAY; /*lint !e527*/
} /*lint !e715*/
/** sets string parameter of NLP
*
* input:
* - nlpi NLP interface structure
* - problem datastructure for problem instance
* - type parameter number
* - sval parameter value
*/
static
SCIP_DECL_NLPISETSTRINGPAR( nlpiSetStringParXyz )
{
SCIPerrorMessage("method of xyz nonlinear solver is not implemented\n");
SCIPABORT();
return SCIP_OKAY; /*lint !e527*/
} /*lint !e715*/
/** change the constant offset in the objective
*
* input:
* - nlpi datastructure for solver interface
* - problem datastructure for problem instance
* - objconstant new value for objective constant
*/
static
SCIP_DECL_NLPICHGOBJCONSTANT( nlpiChgObjConstantXyz )
{
SCIPerrorMessage("method of xyz nonlinear solver is not implemented\n");
SCIPABORT();
return SCIP_OKAY; /*lint !e527*/
} /*lint !e715*/
static
SCIP_DECL_CONSHDLRCOPY(conshdlrCopyXyz)
{ /*lint --e{715}*/
SCIPerrorMessage("method of xyz constraint handler not implemented yet\n");
SCIPABORT(); /*lint --e{527}*/
return SCIP_OKAY;
}
/** 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
*/
static
SCIP_DECL_NLPISETINITIALGUESS( nlpiSetInitialGuessXyz )
{
SCIPerrorMessage("method of xyz nonlinear solver is not implemented\n");
SCIPABORT();
return SCIP_OKAY; /*lint !e527*/
} /*lint !e715*/
static
SCIP_DECL_CONSGETDIVEBDCHGS(consGetDiveBdChgsXyz)
{ /*lint --e{715}*/
SCIPerrorMessage("method of xyz constraint handler not implemented yet\n");
SCIPABORT(); /*lint --e{527}*/
return SCIP_OKAY;
}
/** gives solve statistics
*
* input:
* - nlpi datastructure for solver interface
* - problem datastructure for problem instance
* - statistics pointer to store statistics
*
* output:
* - statistics solve statistics
*/
static
SCIP_DECL_NLPIGETSTATISTICS( nlpiGetStatisticsXyz )
{
SCIPerrorMessage("method of xyz nonlinear solver is not implemented\n");
SCIPABORT();
return SCIP_OKAY; /*lint !e527*/
} /*lint !e715*/
static
SCIP_DECL_CONSGETNVARS(consGetNVarsXyz)
{ /*lint --e{715}*/
SCIPerrorMessage("method of xyz power constraint handler not implemented yet\n");
SCIPABORT(); /*lint --e{527}*/
return SCIP_OKAY;
}
static
SCIP_DECL_SEPAEXITSOL(sepaExitsolXyz)
{ /*lint --e{715}*/
SCIPerrorMessage("method of xyz separator not implemented yet\n");
SCIPABORT(); /*lint --e{527}*/
return SCIP_OKAY;
}
static
SCIP_DECL_BRANCHEXECEXT(branchExecextMyfullstrong)
{ /*lint --e{715}*/
SCIPerrorMessage("method of myfullstrong branching rule not implemented yet\n");
SCIPABORT(); /*lint --e{527}*/
return SCIP_OKAY;
}
static
SCIP_DECL_BRANCHINITSOL(branchInitsolMyfullstrong)
{ /*lint --e{715}*/
SCIPerrorMessage("method of myfullstrong branching rule not implemented yet\n");
SCIPABORT(); /*lint --e{527}*/
return SCIP_OKAY;
}
static
SCIP_DECL_DIALOGDESC(dialogDescXyz)
{ /*lint --e{715}*/
SCIPerrorMessage("method of xyz dialog not implemented yet\n");
SCIPABORT(); /*lint --e{527}*/
return SCIP_OKAY;
}
/** writes problem to file */
JNIEXPORT
jint JNISCIPREADERPIP(writePip)(
JNIEnv* env, /**< JNI environment variable */
jobject jobj, /**< JNI class pointer */
jlong jscip, /**< SCIP data structure */
jlong jfile, /**< output file, or NULL if standard output should be used */
jstring jname, /**< problem name */
jboolean jtransformed, /**< TRUE iff problem is the transformed problem */
jint jobjsense, /**< objective sense */
jdouble jobjscale, /**< scalar applied to objective function; external objective value is
* extobj = objsense * objscale * (intobj + objoffset) */
jdouble jobjoffset, /**< objective offset from bound shifting and fixing */
jlongArray jvars, /**< array with active variables ordered binary, integer, implicit, continuous */
jint jnvars, /**< number of mutable variables in the problem */
jint jnbinvars, /**< number of binary variables */
jint jnintvars, /**< number of general integer variables */
jint jnimplvars, /**< number of implicit integer variables */
jint jncontvars, /**< number of continuous variables */
jlongArray jconss, /**< array with constraints of the problem */
jint jnconss /**< number of constraints in the problem */
)
{
SCIP* scip;
const char* name;
SCIP_VAR** vars;
SCIP_CONS** conss;
SCIP_RESULT result;
jboolean iscopy;
/* convert JNI pointer into C pointer */
scip = (SCIP*) (size_t) jscip;
assert(scip != NULL);
JNISCIP_CALL( SCIPallocBufferArray(scip, &vars, (int)jnvars) );
JNISCIP_CALL( SCIPallocBufferArray(scip, &conss, (int)jnconss) );
(*env)->GetLongArrayRegion(env, jvars, 0, jnvars, (jlong*)(*vars));
(*env)->GetLongArrayRegion(env, jconss, 0, jnconss, (jlong*)(*conss));
/* convert JNI string into C const char* */
name = (*env)->GetStringUTFChars(env, jname, &iscopy);
if( name == NULL )
SCIPABORT();
assert(iscopy);
JNISCIP_CALL( SCIPwritePip(scip, (FILE*)(size_t) jfile, name, (SCIP_Bool)jtransformed, (SCIP_OBJSENSE)jobjsense, (SCIP_Real)jobjscale, (SCIP_Real)jobjoffset, vars, (int)jnvars, (int)jnbinvars, (int)jnintvars, (jint)jnimplvars, (int)jncontvars, conss, (int)jnconss, &result) );
SCIPfreeBufferArray(scip, &vars);
SCIPfreeBufferArray(scip, &conss);
(*env)->ReleaseStringUTFChars(env, jname, name);
return (jint) result;
}
/** execution method of dialog */
static
SCIP_DECL_DIALOGEXEC(dialogExecXyz)
{ /*lint --e{715}*/
SCIPerrorMessage("method of xyz dialog not implemented yet\n");
SCIPABORT(); /*lint --e{827}*/
/* add your dialog to history of dialogs that have been executed */
SCIP_CALL( SCIPdialoghdlrAddHistory(dialoghdlr, dialog, NULL, FALSE) );
/* TODO: Implement execution of your dialog here. */
/* next dialog will be root dialog again */
*nextdialog = SCIPdialoghdlrGetRoot(dialoghdlr);
return SCIP_OKAY;
}
