Scippy

SCIP

Solving Constraint Integer Programs

Detailed Description

NLP row

Definition at line 64 of file struct_nlp.h.

#include <struct_nlp.h>

Data Fields
SCIP_Real	lhs

SCIP_Real	rhs

SCIP_Real	constant

int	nlinvars

int	linvarssize

SCIP_VAR **	linvars

double *	lincoefs

SCIP_Bool	linvarssorted

SCIP_EXPR *	expr

char *	name

int	nuses

SCIP_Real	activity

SCIP_Longint	validactivitynlp

SCIP_Real	pseudoactivity

SCIP_Longint	validpsactivitydomchg

SCIP_Real	minactivity

SCIP_Real	maxactivity

SCIP_Longint	validactivitybdsdomchg

int	nlpindex

int	nlpiindex

SCIP_Real	dualsol

SCIP_EXPRCURV	curvature

Field Documentation

◆ lhs

SCIP_Real SCIP_NlRow::lhs

left hand side

Definition at line 67 of file struct_nlp.h.

Referenced by nlpFlushNlRowAdditions(), nlrowConstantChanged(), nlrowSideChanged(), SCIPnlrowChgLhs(), SCIPnlrowCreateCopy(), SCIPnlrowGetLhs(), SCIPnlrowGetNLPFeasibility(), SCIPnlrowGetPseudoFeasibility(), SCIPnlrowGetSolFeasibility(), SCIPnlrowIsRedundant(), and SCIPnlrowPrint().

◆ rhs

SCIP_Real SCIP_NlRow::rhs

right hand side

Definition at line 68 of file struct_nlp.h.

Referenced by nlpFlushNlRowAdditions(), nlrowaggrCreate(), nlrowConstantChanged(), nlrowSideChanged(), SCIPnlrowChgRhs(), SCIPnlrowCreateCopy(), SCIPnlrowGetNLPFeasibility(), SCIPnlrowGetPseudoFeasibility(), SCIPnlrowGetRhs(), SCIPnlrowGetSolFeasibility(), SCIPnlrowIsRedundant(), and SCIPnlrowPrint().

◆ constant

SCIP_Real SCIP_NlRow::constant

constant value

Definition at line 71 of file struct_nlp.h.

Referenced by nlpFlushNlRowAdditions(), nlrowAddLinearCoef(), nlrowCalcActivityBounds(), nlrowConstantChanged(), nlrowRemoveFixedLinearCoefPos(), nlrowSideChanged(), nlrowSimplifyExpr(), SCIPnlrowAddLinearCoef(), SCIPnlrowChgConstant(), SCIPnlrowCreateCopy(), SCIPnlrowGetConstant(), SCIPnlrowGetSolActivity(), SCIPnlrowPrint(), SCIPnlrowRecalcNLPActivity(), and SCIPnlrowRecalcPseudoActivity().

◆ nlinvars

int SCIP_NlRow::nlinvars

number of linear variables

Definition at line 74 of file struct_nlp.h.

Referenced by nlpAddNlRows(), nlpDelVarPos(), nlpFlushNlRowAdditions(), nlpSetupNlpiIndices(), nlrowAddLinearCoef(), nlrowCalcActivityBounds(), nlrowDelLinearCoefPos(), nlrowRemoveFixedLinearCoefPos(), nlrowRemoveFixedLinearCoefs(), nlrowSearchLinearCoef(), nlrowSortLinear(), SCIPnlrowCreateCopy(), SCIPnlrowEnsureLinearSize(), SCIPnlrowGetNLinearVars(), SCIPnlrowGetSolActivity(), SCIPnlrowPrint(), SCIPnlrowRecalcNLPActivity(), and SCIPnlrowRecalcPseudoActivity().

◆ linvarssize

int SCIP_NlRow::linvarssize

size of arrays storing linear part of row

Definition at line 75 of file struct_nlp.h.

Referenced by SCIPnlrowEnsureLinearSize().

◆ linvars

SCIP_VAR** SCIP_NlRow::linvars

◆ lincoefs

double* SCIP_NlRow::lincoefs

coefficients of linear variables

Definition at line 77 of file struct_nlp.h.

Referenced by nlpFlushNlRowAdditions(), nlpSetupNlpiIndices(), nlrowAddLinearCoef(), nlrowCalcActivityBounds(), nlrowChgLinearCoefPos(), nlrowMoveLinearCoef(), nlrowRemoveFixedLinearCoefPos(), nlrowSortLinear(), SCIPnlrowCreateCopy(), SCIPnlrowEnsureLinearSize(), SCIPnlrowGetLinearCoefs(), SCIPnlrowGetSolActivity(), SCIPnlrowPrint(), SCIPnlrowRecalcNLPActivity(), and SCIPnlrowRecalcPseudoActivity().

◆ linvarssorted

SCIP_Bool SCIP_NlRow::linvarssorted

are the linear coefficients sorted (by variable indices?)

Definition at line 78 of file struct_nlp.h.

Referenced by nlpDelVarPos(), nlrowAddLinearCoef(), nlrowDelLinearCoefPos(), nlrowMoveLinearCoef(), nlrowRemoveFixedLinearCoefPos(), nlrowSortLinear(), and SCIPnlrowCreateCopy().

◆ expr

SCIP_EXPR* SCIP_NlRow::expr

expression representing nonlinear part

Definition at line 81 of file struct_nlp.h.

Referenced by nlpAddNlRows(), nlpDelVarPos(), nlpFlushNlRowAdditions(), nlrowCalcActivityBounds(), nlrowExprChanged(), nlrowRemoveFixedVar(), nlrowSimplifyExpr(), SCIPnlpGetVarsNonlinearity(), SCIPnlpHasContinuousNonlinearity(), SCIPnlrowChgExpr(), SCIPnlrowCreateCopy(), SCIPnlrowGetExpr(), SCIPnlrowGetSolActivity(), SCIPnlrowPrint(), SCIPnlrowRecalcNLPActivity(), and SCIPnlrowRecalcPseudoActivity().

◆ name

char* SCIP_NlRow::name

name

Definition at line 84 of file struct_nlp.h.

Referenced by nlpFlushNlRowAdditions(), nlrowAddLinearCoef(), SCIPnlrowCapture(), SCIPnlrowCreateCopy(), SCIPnlrowDelLinearCoef(), SCIPnlrowGetName(), and SCIPnlrowPrint().

◆ nuses

int SCIP_NlRow::nuses

number of times, this row is referenced

Definition at line 85 of file struct_nlp.h.

Referenced by SCIPnlrowCapture().

◆ activity

SCIP_Real SCIP_NlRow::activity

row activity value in NLP, or SCIP_INVALID if not yet calculated

Definition at line 86 of file struct_nlp.h.

Referenced by nlrowConstantChanged(), nlrowExprChanged(), nlrowLinearCoefChanged(), SCIPnlrowCreateCopy(), SCIPnlrowGetNLPActivity(), and SCIPnlrowRecalcNLPActivity().

◆ validactivitynlp

SCIP_Longint SCIP_NlRow::validactivitynlp

NLP number for which activity value is valid

Definition at line 87 of file struct_nlp.h.

Referenced by nlrowConstantChanged(), nlrowExprChanged(), nlrowLinearCoefChanged(), SCIPnlrowCreateCopy(), SCIPnlrowGetNLPActivity(), and SCIPnlrowRecalcNLPActivity().

◆ pseudoactivity

SCIP_Real SCIP_NlRow::pseudoactivity

row activity value in pseudo solution, or SCIP_INVALID if not yet calculated

Definition at line 88 of file struct_nlp.h.

Referenced by nlrowConstantChanged(), nlrowExprChanged(), nlrowLinearCoefChanged(), SCIPnlrowCreateCopy(), SCIPnlrowGetPseudoActivity(), and SCIPnlrowRecalcPseudoActivity().

◆ validpsactivitydomchg

SCIP_Longint SCIP_NlRow::validpsactivitydomchg

domain change number for which pseudo activity value is valid

Definition at line 89 of file struct_nlp.h.

Referenced by nlrowConstantChanged(), nlrowExprChanged(), nlrowLinearCoefChanged(), SCIPnlrowCreateCopy(), SCIPnlrowGetPseudoActivity(), and SCIPnlrowRecalcPseudoActivity().

◆ minactivity

SCIP_Real SCIP_NlRow::minactivity

minimal activity value w.r.t. the variables' bounds, or SCIP_INVALID

Definition at line 90 of file struct_nlp.h.

Referenced by nlrowCalcActivityBounds(), nlrowConstantChanged(), nlrowExprChanged(), nlrowLinearCoefChanged(), SCIPnlrowCreateCopy(), and SCIPnlrowGetActivityBounds().

◆ maxactivity

SCIP_Real SCIP_NlRow::maxactivity

maximal activity value w.r.t. the variables' bounds, or SCIP_INVALID

Definition at line 91 of file struct_nlp.h.

Referenced by nlrowCalcActivityBounds(), nlrowConstantChanged(), nlrowExprChanged(), nlrowLinearCoefChanged(), SCIPnlrowCreateCopy(), and SCIPnlrowGetActivityBounds().

◆ validactivitybdsdomchg

SCIP_Longint SCIP_NlRow::validactivitybdsdomchg

domain change number for which activity bound values are valid

Definition at line 92 of file struct_nlp.h.

Referenced by nlrowCalcActivityBounds(), nlrowConstantChanged(), nlrowExprChanged(), nlrowLinearCoefChanged(), SCIPnlrowCreateCopy(), and SCIPnlrowGetActivityBounds().

◆ nlpindex

int SCIP_NlRow::nlpindex

index of this row in NLP, or -1 if not added

Definition at line 93 of file struct_nlp.h.

Referenced by nlpAddNlRows(), nlpDelNlRowPos(), nlpFlushNlRowDeletions(), nlpMoveNlrow(), nlpRowChanged(), nlrowAddLinearCoef(), nlrowConstantChanged(), nlrowExprChanged(), nlrowLinearCoefChanged(), nlrowSideChanged(), SCIPnlpDelNlRow(), SCIPnlrowAddLinearCoef(), SCIPnlrowChgExpr(), SCIPnlrowDelLinearCoef(), SCIPnlrowGetNLPPos(), and SCIPnlrowIsInNLP().

◆ nlpiindex

int SCIP_NlRow::nlpiindex

index of this row in NLPI problem, or -1 if not in there

Definition at line 94 of file struct_nlp.h.

Referenced by nlpAddNlRows(), nlpDelNlRowPos(), nlpFlushNlRowAdditions(), nlpFlushNlRowDeletions(), nlpMoveNlrow(), nlpSolve(), nlrowConstantChanged(), nlrowExprChanged(), nlrowLinearCoefChanged(), nlrowSideChanged(), and SCIPnlrowGetDualsol().

◆ dualsol

SCIP_Real SCIP_NlRow::dualsol

dual value associated with row in last NLP solve

Definition at line 95 of file struct_nlp.h.

Referenced by nlpSolve(), and SCIPnlrowGetDualsol().

◆ curvature

SCIP_EXPRCURV SCIP_NlRow::curvature

curvature of the nonlinear row

Definition at line 96 of file struct_nlp.h.

Referenced by SCIPnlrowCreateCopy(), SCIPnlrowGetCurvature(), and SCIPnlrowSetCurvature().