Scippy

    SCIP

    Solving Constraint Integer Programs

    Data Fields
    ImplintMatrix Struct Reference

    Detailed Description

    constraint matrix data structure in column and row major format Contains only the linear terms, and marks the presence of non-linear terms.

    Definition at line 99 of file presol_implint.c.

    Data Fields

    SCIP_Real * colmatval
     
    int * colmatind
     
    int * colmatbeg
     
    int * colmatcnt
     
    int ncols
     
    SCIP_Real * lb
     
    SCIP_Real * ub
     
    SCIP_Bool * colintegral
     
    SCIP_Bool * colimplintegral
     
    SCIP_Bool * colinnonlinterm
     
    SCIP_VAR ** colvar
     
    SCIP_Real * rowmatval
     
    int * rowmatind
     
    int * rowmatbeg
     
    int * rowmatcnt
     
    int nrows
     
    SCIP_Real * lhs
     
    SCIP_Real * rhs
     
    SCIP_CONS ** rowcons
     
    int nnonzs
     
    int nnonzssize
     

    Field Documentation

    ◆ colmatval

    SCIP_Real* ImplintMatrix::colmatval

    coefficients in column major format

    Definition at line 101 of file presol_implint.c.

    Referenced by matrixCreate(), matrixFree(), matrixGetColumnVals(), and matrixSetColumnMajor().

    ◆ colmatind

    int* ImplintMatrix::colmatind

    row indexes in column major format

    Definition at line 102 of file presol_implint.c.

    Referenced by matrixCreate(), matrixFree(), matrixGetColumnInds(), and matrixSetColumnMajor().

    ◆ colmatbeg

    int* ImplintMatrix::colmatbeg

    column storage offset

    Definition at line 103 of file presol_implint.c.

    Referenced by matrixCreate(), matrixFree(), matrixGetColumnInds(), matrixGetColumnVals(), and matrixSetColumnMajor().

    ◆ colmatcnt

    int* ImplintMatrix::colmatcnt

    number of row entries per column

    Definition at line 104 of file presol_implint.c.

    Referenced by matrixCreate(), matrixFree(), matrixGetColumnNNonzs(), and matrixSetColumnMajor().

    ◆ ncols

    int ImplintMatrix::ncols

    complete number of columns

    Definition at line 105 of file presol_implint.c.

    Referenced by addXorLinearization(), matrixCreate(), matrixFree(), matrixGetNCols(), and matrixSetColumnMajor().

    ◆ lb

    SCIP_Real* ImplintMatrix::lb

    lower bound per variable

    Definition at line 106 of file presol_implint.c.

    Referenced by matrixCreate(), matrixFree(), and matrixGetColLb().

    ◆ ub

    SCIP_Real* ImplintMatrix::ub

    upper bound per variable

    Definition at line 107 of file presol_implint.c.

    Referenced by matrixCreate(), matrixFree(), and matrixGetColUb().

    ◆ colintegral

    SCIP_Bool* ImplintMatrix::colintegral

    whether column is integral

    Definition at line 108 of file presol_implint.c.

    Referenced by matrixColIsIntegral(), matrixCreate(), and matrixFree().

    ◆ colimplintegral

    SCIP_Bool* ImplintMatrix::colimplintegral

    whether the column is implied integral

    Definition at line 109 of file presol_implint.c.

    Referenced by matrixColIsImpliedIntegral(), matrixCreate(), and matrixFree().

    ◆ colinnonlinterm

    SCIP_Bool* ImplintMatrix::colinnonlinterm

    is the column involved in some nonlinear term?

    Definition at line 110 of file presol_implint.c.

    Referenced by addXorLinearization(), matrixColInNonlinearTerm(), matrixCreate(), and matrixFree().

    ◆ colvar

    SCIP_VAR** ImplintMatrix::colvar

    variable described by column

    Definition at line 117 of file presol_implint.c.

    Referenced by matrixCreate(), matrixFree(), and matrixGetVar().

    ◆ rowmatval

    SCIP_Real* ImplintMatrix::rowmatval

    coefficients in row major format

    Definition at line 119 of file presol_implint.c.

    Referenced by matrixAddRow(), matrixCreate(), matrixFree(), matrixGetRowVals(), and matrixSetColumnMajor().

    ◆ rowmatind

    int* ImplintMatrix::rowmatind

    column indexed in row major format

    Definition at line 120 of file presol_implint.c.

    Referenced by matrixAddRow(), matrixCreate(), matrixFree(), matrixGetRowInds(), and matrixSetColumnMajor().

    ◆ rowmatbeg

    int* ImplintMatrix::rowmatbeg

    row storage offset

    Definition at line 121 of file presol_implint.c.

    Referenced by matrixAddRow(), matrixCreate(), matrixFree(), matrixGetRowInds(), matrixGetRowVals(), and matrixSetColumnMajor().

    ◆ rowmatcnt

    int* ImplintMatrix::rowmatcnt

    number of column entries per row

    Definition at line 122 of file presol_implint.c.

    Referenced by matrixAddRow(), matrixCreate(), matrixFree(), matrixGetRowNNonzs(), and matrixSetColumnMajor().

    ◆ nrows

    int ImplintMatrix::nrows

    complete number of rows

    Definition at line 124 of file presol_implint.c.

    Referenced by matrixAddRow(), matrixCreate(), matrixFree(), matrixGetNRows(), and matrixSetColumnMajor().

    ◆ lhs

    SCIP_Real* ImplintMatrix::lhs

    left hand side per row

    Definition at line 125 of file presol_implint.c.

    Referenced by matrixAddRow(), matrixCreate(), matrixFree(), and matrixGetRowLhs().

    ◆ rhs

    SCIP_Real* ImplintMatrix::rhs

    right hand side per row

    Definition at line 126 of file presol_implint.c.

    Referenced by matrixAddRow(), matrixCreate(), matrixFree(), and matrixGetRowRhs().

    ◆ rowcons

    SCIP_CONS** ImplintMatrix::rowcons

    constraint described by row

    Definition at line 128 of file presol_implint.c.

    Referenced by matrixAddRow(), matrixCreate(), and matrixFree().

    ◆ nnonzs

    int ImplintMatrix::nnonzs

    sparsity counter

    Definition at line 130 of file presol_implint.c.

    Referenced by matrixAddRow(), matrixCreate(), and matrixFree().

    ◆ nnonzssize

    int ImplintMatrix::nnonzssize

    size of the nonzero arrays

    Definition at line 131 of file presol_implint.c.

    Referenced by matrixAddRow(), and matrixCreate().