SCIP_QuadExpr Struct Reference

Detailed Description

representation of an expression as quadratic

Definition at line 149 of file struct_expr.h.

#include <struct_expr.h>

Data Fields
SCIP_Real	constant
int	nlinexprs
SCIP_EXPR **	linexprs
SCIP_Real *	lincoefs
int	nquadexprs
SCIP_QUADEXPR_QUADTERM *	quadexprterms
int	nbilinexprterms
SCIP_QUADEXPR_BILINTERM *	bilinexprterms
SCIP_Bool	allexprsarevars
SCIP_EXPRCURV	curvature
SCIP_Bool	curvaturechecked
SCIP_Bool	eigeninfostored
SCIP_Real *	eigenvalues
SCIP_Real *	eigenvectors

Field Documentation

constant

SCIP_Real SCIP_QuadExpr::constant

a constant term

Definition at line 151 of file struct_expr.h.

Referenced by SCIPexprGetQuadraticData().

nlinexprs

int SCIP_QuadExpr::nlinexprs

number of linear terms

Definition at line 153 of file struct_expr.h.

Referenced by SCIPexprFreeQuadratic(), and SCIPexprGetQuadraticData().

linexprs

SCIP_EXPR** SCIP_QuadExpr::linexprs

expressions of linear terms

Definition at line 154 of file struct_expr.h.

Referenced by SCIPexprFreeQuadratic(), and SCIPexprGetQuadraticData().

lincoefs

SCIP_Real* SCIP_QuadExpr::lincoefs

coefficients of linear terms

Definition at line 155 of file struct_expr.h.

Referenced by SCIPexprFreeQuadratic(), and SCIPexprGetQuadraticData().

nquadexprs

int SCIP_QuadExpr::nquadexprs

number of expressions in quadratic terms

Definition at line 157 of file struct_expr.h.

Referenced by quadDetectGetQuadexprterm(), SCIPexprComputeQuadraticCurvature(), SCIPexprFreeQuadratic(), and SCIPexprGetQuadraticData().

quadexprterms

SCIP_QUADEXPR_QUADTERM* SCIP_QuadExpr::quadexprterms

array with quadratic expression terms

Definition at line 158 of file struct_expr.h.

Referenced by quadDetectGetQuadexprterm(), SCIPexprCheckQuadratic(), SCIPexprComputeQuadraticCurvature(), SCIPexprFreeQuadratic(), and SCIPexprGetQuadraticQuadTerm().

nbilinexprterms

int SCIP_QuadExpr::nbilinexprterms

number of bilinear expressions terms

Definition at line 160 of file struct_expr.h.

Referenced by SCIPexprComputeQuadraticCurvature(), SCIPexprFreeQuadratic(), and SCIPexprGetQuadraticData().

bilinexprterms

SCIP_QUADEXPR_BILINTERM* SCIP_QuadExpr::bilinexprterms

bilinear expression terms array

Definition at line 161 of file struct_expr.h.

Referenced by SCIPexprCheckQuadratic(), SCIPexprComputeQuadraticCurvature(), SCIPexprFreeQuadratic(), and SCIPexprGetQuadraticBilinTerm().

allexprsarevars

SCIP_Bool SCIP_QuadExpr::allexprsarevars

whether all arguments (linexprs, quadexprterms[.].expr) are variable expressions

Definition at line 163 of file struct_expr.h.

Referenced by SCIPexprAreQuadraticExprsVariables(), and SCIPexprCheckQuadratic().

curvature

SCIP_EXPRCURV SCIP_QuadExpr::curvature

curvature of the quadratic representation of the expression

Definition at line 165 of file struct_expr.h.

Referenced by SCIPexprComputeQuadraticCurvature().

curvaturechecked

SCIP_Bool SCIP_QuadExpr::curvaturechecked

whether curvature has been checked

Definition at line 166 of file struct_expr.h.

Referenced by SCIPexprComputeQuadraticCurvature().

eigeninfostored

SCIP_Bool SCIP_QuadExpr::eigeninfostored

whether the eigen information is stored

Definition at line 169 of file struct_expr.h.

Referenced by SCIPexprComputeQuadraticCurvature().

eigenvalues

SCIP_Real* SCIP_QuadExpr::eigenvalues

eigenvalues of the Q matrix: size of nquadexprs

Definition at line 170 of file struct_expr.h.

Referenced by SCIPexprComputeQuadraticCurvature(), SCIPexprFreeQuadratic(), and SCIPexprGetQuadraticData().

eigenvectors

SCIP_Real* SCIP_QuadExpr::eigenvectors

eigenvalues of the Q matrix: size of nquadexprs^2

Definition at line 171 of file struct_expr.h.

Referenced by SCIPexprComputeQuadraticCurvature(), SCIPexprFreeQuadratic(), and SCIPexprGetQuadraticData().