Scippy

SCIP

Solving Constraint Integer Programs

Data Fields
SCIP_NlRow Struct Reference

Detailed Description

NLP row

Definition at line 63 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
 
SCIP_EXPRCURV curvature
 

Field Documentation

◆ lhs

SCIP_Real SCIP_NlRow::lhs

left hand side

Definition at line 66 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 67 of file struct_nlp.h.

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

◆ constant

SCIP_Real SCIP_NlRow::constant

constant value

Definition at line 70 of file struct_nlp.h.

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

◆ nlinvars

int SCIP_NlRow::nlinvars

number of linear variables

Definition at line 73 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 74 of file struct_nlp.h.

Referenced by SCIPnlrowEnsureLinearSize().

◆ linvars

SCIP_VAR** SCIP_NlRow::linvars

linear variables

Definition at line 75 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().

◆ lincoefs

double* SCIP_NlRow::lincoefs

coefficients of linear variables

Definition at line 76 of file struct_nlp.h.

Referenced by nlpFlushNlRowAdditions(), nlpSetupNlpiIndices(), nlrowAddLinearCoef(), nlrowAddToLinearCoef(), 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 77 of file struct_nlp.h.

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

◆ nquadvars

int SCIP_NlRow::nquadvars

number of variables in quadratic terms

Definition at line 80 of file struct_nlp.h.

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

◆ quadvarssize

int SCIP_NlRow::quadvarssize

size of array storing quadratic variables of row

Definition at line 81 of file struct_nlp.h.

Referenced by nlrowRemoveFixedQuadVars(), and SCIPnlrowEnsureQuadVarsSize().

◆ quadvars

SCIP_VAR** SCIP_NlRow::quadvars

variables in quadratic term

Definition at line 82 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().

◆ quadvarshash

SCIP_HASHMAP* SCIP_NlRow::quadvarshash

hash map from variable to indices in quadvars

Definition at line 83 of file struct_nlp.h.

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

◆ nquadelems

int SCIP_NlRow::nquadelems

number of entries in quadratic matrix

Definition at line 84 of file struct_nlp.h.

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

◆ quadelemssize

int SCIP_NlRow::quadelemssize

size of quadratic elements array

Definition at line 85 of file struct_nlp.h.

Referenced by nlrowRemoveFixedQuadVars(), and SCIPnlrowEnsureQuadElementsSize().

◆ quadelems

SCIP_QUADELEM* SCIP_NlRow::quadelems

entries in quadratic matrix

Definition at line 86 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().

◆ quadelemssorted

SCIP_Bool SCIP_NlRow::quadelemssorted

are the quadratic elements sorted?

Definition at line 87 of file struct_nlp.h.

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

◆ exprtree

SCIP_EXPRTREE* SCIP_NlRow::exprtree

expression tree representing nonquadratic part

Definition at line 90 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().

◆ name

char* SCIP_NlRow::name

name

Definition at line 93 of file struct_nlp.h.

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

◆ nuses

int SCIP_NlRow::nuses

number of times, this row is referenced

Definition at line 94 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 95 of file struct_nlp.h.

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

◆ validactivitynlp

SCIP_Longint SCIP_NlRow::validactivitynlp

NLP number for which activity value is valid

Definition at line 96 of file struct_nlp.h.

Referenced by nlrowConstantChanged(), nlrowExprtreeChanged(), nlrowExprtreeParamChanged(), nlrowLinearCoefChanged(), nlrowQuadElemChanged(), 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 97 of file struct_nlp.h.

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

◆ validpsactivitydomchg

SCIP_Longint SCIP_NlRow::validpsactivitydomchg

domain change number for which pseudo activity value is valid

Definition at line 98 of file struct_nlp.h.

Referenced by nlrowConstantChanged(), nlrowExprtreeChanged(), nlrowExprtreeParamChanged(), nlrowLinearCoefChanged(), nlrowQuadElemChanged(), 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 99 of file struct_nlp.h.

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

◆ maxactivity

SCIP_Real SCIP_NlRow::maxactivity

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

Definition at line 100 of file struct_nlp.h.

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

◆ validactivitybdsdomchg

SCIP_Longint SCIP_NlRow::validactivitybdsdomchg

domain change number for which activity bound values are valid

Definition at line 101 of file struct_nlp.h.

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

◆ nlpindex

int SCIP_NlRow::nlpindex

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

Definition at line 102 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().

◆ nlpiindex

int SCIP_NlRow::nlpiindex

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

Definition at line 103 of file struct_nlp.h.

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

◆ dualsol

SCIP_Real SCIP_NlRow::dualsol

dual value associated with row in last NLP solve

Definition at line 104 of file struct_nlp.h.

Referenced by nlpSolve(), and SCIPnlrowGetDualsol().

◆ curvature

SCIP_EXPRCURV SCIP_NlRow::curvature

curvature of the nonlinear row

Definition at line 105 of file struct_nlp.h.

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