SCIP_NlRow Struct Reference

Detailed Description

NLP row

Definition at line 62 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
int	nquadvars
int	quadvarssize
SCIP_VAR **	quadvars
SCIP_HASHMAP *	quadvarshash
int	nquadelems
int	quadelemssize
SCIP_QUADELEM *	quadelems
SCIP_Bool	quadelemssorted
SCIP_EXPRTREE *	exprtree
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

Field Documentation

SCIP_Real SCIP_NlRow::lhs

left hand side

Definition at line 65 of file struct_nlp.h.

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

SCIP_Real SCIP_NlRow::rhs

right hand side

Definition at line 66 of file struct_nlp.h.

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

SCIP_Real SCIP_NlRow::constant

constant value

Definition at line 69 of file struct_nlp.h.

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

int SCIP_NlRow::nlinvars

number of linear variables

Definition at line 72 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().

int SCIP_NlRow::linvarssize

size of arrays storing linear part of row

Definition at line 73 of file struct_nlp.h.

Referenced by SCIPnlrowEnsureLinearSize().

SCIP_VAR** SCIP_NlRow::linvars

linear variables

Definition at line 74 of file struct_nlp.h.

Referenced by nlpAddNlRows(), nlpDelVarPos(), nlpSetupNlpiIndices(), nlrowAddLinearCoef(), nlrowAddToLinearCoef(), nlrowCalcActivityBounds(), nlrowChgLinearCoefPos(), nlrowDelLinearCoefPos(), nlrowMoveLinearCoef(), nlrowRemoveFixedLinearCoefPos(), nlrowRemoveFixedLinearCoefs(), nlrowSearchLinearCoef(), nlrowSortLinear(), SCIPnlrowCreateCopy(), SCIPnlrowDelLinearCoef(), SCIPnlrowEnsureLinearSize(), SCIPnlrowGetLinearVars(), SCIPnlrowGetSolActivity(), SCIPnlrowPrint(), SCIPnlrowRecalcNLPActivity(), and SCIPnlrowRecalcPseudoActivity().

double* SCIP_NlRow::lincoefs

coefficients of linear variables

Definition at line 75 of file struct_nlp.h.

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

SCIP_Bool SCIP_NlRow::linvarssorted

are the linear coefficients sorted (by variable indices?)

Definition at line 76 of file struct_nlp.h.

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

int SCIP_NlRow::nquadvars

number of variables in quadratic terms

Definition at line 79 of file struct_nlp.h.

Referenced by nlpAddNlRows(), nlpFlushNlRowAdditions(), nlpSetupNlpiIndices(), nlrowAddQuadElement(), nlrowQuadElemChanged(), nlrowRemoveFixedQuadVars(), nlrowSetupQuadVarsHash(), SCIPnlpGetVarsNonlinearity(), SCIPnlpHasContinuousNonlinearity(), SCIPnlrowAddQuadVar(), SCIPnlrowCreateCopy(), SCIPnlrowEnsureQuadVarsSize(), SCIPnlrowGetNQuadVars(), SCIPnlrowGetQuadData(), and SCIPnlrowSearchQuadVar().

int SCIP_NlRow::quadvarssize

size of array storing quadratic variables of row

Definition at line 80 of file struct_nlp.h.

Referenced by nlrowRemoveFixedQuadVars(), and SCIPnlrowEnsureQuadVarsSize().

SCIP_VAR** SCIP_NlRow::quadvars

variables in quadratic term

Definition at line 81 of file struct_nlp.h.

Referenced by nlpAddNlRows(), nlpSetupNlpiIndices(), nlrowAddQuadElement(), nlrowCalcActivityBounds(), nlrowQuadElemChanged(), nlrowRemoveFixedQuadVars(), nlrowSetupQuadVarsHash(), SCIPnlpGetVarsNonlinearity(), SCIPnlpHasContinuousNonlinearity(), SCIPnlrowAddQuadVar(), SCIPnlrowCreateCopy(), SCIPnlrowEnsureQuadVarsSize(), SCIPnlrowGetQuadData(), SCIPnlrowGetQuadVars(), SCIPnlrowGetSolActivity(), SCIPnlrowPrint(), SCIPnlrowRecalcNLPActivity(), SCIPnlrowRecalcPseudoActivity(), and SCIPnlrowSearchQuadVar().

SCIP_HASHMAP* SCIP_NlRow::quadvarshash

hash map from variable to indices in quadvars

Definition at line 82 of file struct_nlp.h.

Referenced by nlrowRemoveFixedQuadVars(), nlrowSetupQuadVarsHash(), SCIPnlpGetVarsNonlinearity(), SCIPnlrowAddQuadVar(), and SCIPnlrowSearchQuadVar().

int SCIP_NlRow::nquadelems

number of entries in quadratic matrix

Definition at line 83 of file struct_nlp.h.

Referenced by nlpFlushNlRowAdditions(), nlpSetupNlpiIndices(), nlrowAddQuadElement(), nlrowCalcActivityBounds(), nlrowDelQuadElemPos(), nlrowRemoveFixedQuadVars(), nlrowSearchQuadElem(), nlrowSortQuadElem(), SCIPnlrowCreateCopy(), SCIPnlrowEnsureQuadElementsSize(), SCIPnlrowGetNQuadElems(), SCIPnlrowGetQuadData(), SCIPnlrowGetSolActivity(), SCIPnlrowPrint(), SCIPnlrowRecalcNLPActivity(), and SCIPnlrowRecalcPseudoActivity().

int SCIP_NlRow::quadelemssize

size of quadratic elements array

Definition at line 84 of file struct_nlp.h.

Referenced by nlrowRemoveFixedQuadVars(), and SCIPnlrowEnsureQuadElementsSize().

SCIP_QUADELEM* SCIP_NlRow::quadelems

entries in quadratic matrix

Definition at line 85 of file struct_nlp.h.

Referenced by nlpSetupNlpiIndices(), nlrowAddQuadElement(), nlrowCalcActivityBounds(), nlrowChgQuadElemPos(), nlrowDelQuadElemPos(), nlrowMoveQuadElement(), nlrowRemoveFixedQuadVars(), nlrowSearchQuadElem(), nlrowSortQuadElem(), SCIPnlrowCreateCopy(), SCIPnlrowEnsureQuadElementsSize(), SCIPnlrowGetQuadData(), SCIPnlrowGetQuadElems(), SCIPnlrowGetSolActivity(), SCIPnlrowPrint(), SCIPnlrowRecalcNLPActivity(), and SCIPnlrowRecalcPseudoActivity().

SCIP_Bool SCIP_NlRow::quadelemssorted

are the quadratic elements sorted?

Definition at line 86 of file struct_nlp.h.

Referenced by nlrowAddQuadElement(), nlrowDelQuadElemPos(), nlrowMoveQuadElement(), nlrowRemoveFixedQuadVars(), nlrowSortQuadElem(), and SCIPnlrowCreateCopy().

SCIP_EXPRTREE* SCIP_NlRow::exprtree

expression tree representing nonquadratic part

Definition at line 89 of file struct_nlp.h.

Referenced by nlpAddNlRows(), nlpDelVarPos(), nlpFlushNlRowAdditions(), nlpSetupNlpiIndices(), nlrowCalcActivityBounds(), nlrowExprtreeChanged(), nlrowExprtreeParamChanged(), nlrowRemoveFixedExprtreeVars(), nlrowRemoveFixedVar(), SCIPnlpGetVarsNonlinearity(), SCIPnlpHasContinuousNonlinearity(), SCIPnlrowChgExprtree(), SCIPnlrowChgExprtreeParam(), SCIPnlrowChgExprtreeParams(), SCIPnlrowCreateCopy(), SCIPnlrowGetExprtree(), SCIPnlrowGetSolActivity(), SCIPnlrowPrint(), SCIPnlrowRecalcNLPActivity(), and SCIPnlrowRecalcPseudoActivity().

char* SCIP_NlRow::name

name

Definition at line 92 of file struct_nlp.h.

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

int SCIP_NlRow::nuses

number of times, this row is referenced

Definition at line 93 of file struct_nlp.h.

Referenced by SCIPnlrowCapture().

SCIP_Real SCIP_NlRow::activity

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

Definition at line 94 of file struct_nlp.h.

Referenced by nlrowConstantChanged(), nlrowExprtreeChanged(), nlrowExprtreeParamChanged(), nlrowLinearCoefChanged(), nlrowQuadElemChanged(), SCIPnlrowCreateCopy(), SCIPnlrowGetNLPActivity(), and SCIPnlrowRecalcNLPActivity().

SCIP_Longint SCIP_NlRow::validactivitynlp

NLP number for which activity value is valid

Definition at line 95 of file struct_nlp.h.

Referenced by nlrowConstantChanged(), nlrowExprtreeChanged(), nlrowExprtreeParamChanged(), nlrowLinearCoefChanged(), nlrowQuadElemChanged(), SCIPnlrowCreateCopy(), SCIPnlrowGetNLPActivity(), and SCIPnlrowRecalcNLPActivity().

SCIP_Real SCIP_NlRow::pseudoactivity

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

Definition at line 96 of file struct_nlp.h.

Referenced by nlrowConstantChanged(), nlrowExprtreeChanged(), nlrowExprtreeParamChanged(), nlrowLinearCoefChanged(), nlrowQuadElemChanged(), SCIPnlrowCreateCopy(), SCIPnlrowGetPseudoActivity(), and SCIPnlrowRecalcPseudoActivity().

SCIP_Longint SCIP_NlRow::validpsactivitydomchg

domain change number for which pseudo activity value is valid

Definition at line 97 of file struct_nlp.h.

Referenced by nlrowConstantChanged(), nlrowExprtreeChanged(), nlrowExprtreeParamChanged(), nlrowLinearCoefChanged(), nlrowQuadElemChanged(), SCIPnlrowCreateCopy(), SCIPnlrowGetPseudoActivity(), and SCIPnlrowRecalcPseudoActivity().

SCIP_Real SCIP_NlRow::minactivity

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

Definition at line 98 of file struct_nlp.h.

Referenced by nlrowCalcActivityBounds(), nlrowConstantChanged(), nlrowExprtreeChanged(), nlrowExprtreeParamChanged(), nlrowLinearCoefChanged(), nlrowQuadElemChanged(), SCIPnlrowCreateCopy(), and SCIPnlrowGetActivityBounds().

SCIP_Real SCIP_NlRow::maxactivity

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

Definition at line 99 of file struct_nlp.h.

Referenced by nlrowCalcActivityBounds(), nlrowConstantChanged(), nlrowExprtreeChanged(), nlrowExprtreeParamChanged(), nlrowLinearCoefChanged(), nlrowQuadElemChanged(), SCIPnlrowCreateCopy(), and SCIPnlrowGetActivityBounds().

SCIP_Longint SCIP_NlRow::validactivitybdsdomchg

domain change number for which activity bound values are valid

Definition at line 100 of file struct_nlp.h.

Referenced by nlrowCalcActivityBounds(), nlrowConstantChanged(), nlrowExprtreeChanged(), nlrowExprtreeParamChanged(), nlrowLinearCoefChanged(), nlrowQuadElemChanged(), SCIPnlrowCreateCopy(), and SCIPnlrowGetActivityBounds().

int SCIP_NlRow::nlpindex

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

Definition at line 101 of file struct_nlp.h.

Referenced by nlpAddNlRows(), nlpDelNlRowPos(), nlpFlushNlRowDeletions(), nlpMoveNlrow(), nlpRowChanged(), nlrowAddLinearCoef(), nlrowConstantChanged(), nlrowExprtreeChanged(), nlrowExprtreeParamChanged(), nlrowLinearCoefChanged(), nlrowQuadElemChanged(), nlrowSideChanged(), SCIPnlpDelNlRow(), SCIPnlrowAddLinearCoef(), SCIPnlrowAddQuadVar(), SCIPnlrowChgExprtree(), SCIPnlrowDelLinearCoef(), SCIPnlrowGetNLPPos(), and SCIPnlrowIsInNLP().

int SCIP_NlRow::nlpiindex

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

Definition at line 102 of file struct_nlp.h.

Referenced by nlpAddNlRows(), nlpDelNlRowPos(), nlpFlushNlRowAdditions(), nlpFlushNlRowDeletions(), nlpSolve(), nlrowConstantChanged(), nlrowExprtreeChanged(), nlrowExprtreeParamChanged(), nlrowLinearCoefChanged(), nlrowQuadElemChanged(), nlrowSideChanged(), and SCIPnlrowGetDualsol().

SCIP_Real SCIP_NlRow::dualsol

dual value associated with row in last NLP solve

Definition at line 103 of file struct_nlp.h.

Referenced by nlpSolve(), and SCIPnlrowGetDualsol().