Scippy

SCIP

Solving Constraint Integer Programs

Data Fields
SCIP_Matrix Struct Reference

Detailed Description

constraint matrix data structure in column and row major format

Definition at line 38 of file struct_matrix.h.

#include <struct_matrix.h>

Data Fields

SCIP_Real * colmatval
 
int * colmatind
 
int * colmatbeg
 
int * colmatcnt
 
int ncols
 
SCIP_Real * lb
 
SCIP_Real * ub
 
int * nuplocks
 
int * ndownlocks
 
SCIP_VAR ** vars
 
SCIP_Real * rowmatval
 
int * rowmatind
 
int * rowmatbeg
 
int * rowmatcnt
 
int nrows
 
SCIP_Real * lhs
 
SCIP_Real * rhs
 
SCIP_CONS ** cons
 
SCIP_Bool * isrhsinfinite
 
int nnonzs
 
SCIP_Real * minactivity
 
SCIP_Real * maxactivity
 
int * minactivityneginf
 
int * minactivityposinf
 
int * maxactivityneginf
 
int * maxactivityposinf
 

Field Documentation

◆ colmatval

SCIP_Real* SCIP_Matrix::colmatval

coefficients in column major format

Definition at line 40 of file struct_matrix.h.

Referenced by SCIPmatrixCreate(), SCIPmatrixGetColValPtr(), SCIPmatrixGetParallelRows(), and setColumnMajorFormat().

◆ colmatind

int* SCIP_Matrix::colmatind

row indexes in column major format

Definition at line 41 of file struct_matrix.h.

Referenced by SCIPmatrixCreate(), SCIPmatrixGetColIdxPtr(), SCIPmatrixGetParallelRows(), and setColumnMajorFormat().

◆ colmatbeg

int* SCIP_Matrix::colmatbeg

column storage offset

Definition at line 42 of file struct_matrix.h.

Referenced by SCIPmatrixCreate(), SCIPmatrixGetColIdxPtr(), SCIPmatrixGetColValPtr(), SCIPmatrixGetParallelRows(), and setColumnMajorFormat().

◆ colmatcnt

int* SCIP_Matrix::colmatcnt

number of row entries per column

Definition at line 43 of file struct_matrix.h.

Referenced by SCIPmatrixCreate(), SCIPmatrixGetColNNonzs(), SCIPmatrixGetParallelRows(), and setColumnMajorFormat().

◆ ncols

int SCIP_Matrix::ncols

complete number of columns

Definition at line 44 of file struct_matrix.h.

Referenced by calcActivityBounds(), SCIPmatrixCreate(), SCIPmatrixGetNColumns(), SCIPmatrixGetParallelCols(), SCIPmatrixGetParallelRows(), and setColumnMajorFormat().

◆ lb

SCIP_Real* SCIP_Matrix::lb

lower bound per variable

Definition at line 45 of file struct_matrix.h.

Referenced by calcActivityBounds(), SCIPmatrixCreate(), and SCIPmatrixGetColLb().

◆ ub

SCIP_Real* SCIP_Matrix::ub

upper bound per variable

Definition at line 46 of file struct_matrix.h.

Referenced by calcActivityBounds(), SCIPmatrixCreate(), and SCIPmatrixGetColUb().

◆ nuplocks

int* SCIP_Matrix::nuplocks

number of up locks per variable

Definition at line 47 of file struct_matrix.h.

Referenced by addRow(), SCIPmatrixCreate(), SCIPmatrixGetColNUplocks(), and SCIPmatrixUplockConflict().

◆ ndownlocks

int* SCIP_Matrix::ndownlocks

number of down locks per variable

Definition at line 48 of file struct_matrix.h.

Referenced by addRow(), SCIPmatrixCreate(), SCIPmatrixDownlockConflict(), and SCIPmatrixGetColNDownlocks().

◆ vars

SCIP_VAR** SCIP_Matrix::vars

variables pointer

Definition at line 50 of file struct_matrix.h.

Referenced by addRow(), SCIPmatrixCreate(), SCIPmatrixDownlockConflict(), SCIPmatrixGetColName(), SCIPmatrixGetVar(), SCIPmatrixPrintRow(), and SCIPmatrixUplockConflict().

◆ rowmatval

SCIP_Real* SCIP_Matrix::rowmatval

coefficients in row major format

Definition at line 52 of file struct_matrix.h.

Referenced by addRow(), calcActivityBounds(), SCIPmatrixCreate(), SCIPmatrixGetParallelCols(), SCIPmatrixGetRowValPtr(), SCIPmatrixPrintRow(), and setColumnMajorFormat().

◆ rowmatind

int* SCIP_Matrix::rowmatind

column indexed in row major format

Definition at line 53 of file struct_matrix.h.

Referenced by addRow(), calcActivityBounds(), SCIPmatrixCreate(), SCIPmatrixGetParallelCols(), SCIPmatrixGetRowIdxPtr(), SCIPmatrixPrintRow(), and setColumnMajorFormat().

◆ rowmatbeg

int* SCIP_Matrix::rowmatbeg

row storage offset

Definition at line 54 of file struct_matrix.h.

Referenced by addRow(), calcActivityBounds(), SCIPmatrixCreate(), SCIPmatrixGetParallelCols(), SCIPmatrixGetRowIdxPtr(), SCIPmatrixGetRowValPtr(), SCIPmatrixPrintRow(), and setColumnMajorFormat().

◆ rowmatcnt

int* SCIP_Matrix::rowmatcnt

number of column entries per row

Definition at line 55 of file struct_matrix.h.

Referenced by addRow(), calcActivityBounds(), SCIPmatrixCreate(), SCIPmatrixGetParallelCols(), SCIPmatrixGetRowNNonzs(), SCIPmatrixPrintRow(), and setColumnMajorFormat().

◆ nrows

int SCIP_Matrix::nrows

complete number of rows

Definition at line 57 of file struct_matrix.h.

Referenced by addRow(), calcActivityBounds(), SCIPmatrixCreate(), SCIPmatrixGetNRows(), SCIPmatrixGetParallelCols(), SCIPmatrixGetParallelRows(), and setColumnMajorFormat().

◆ lhs

SCIP_Real* SCIP_Matrix::lhs

left hand side per row

Definition at line 58 of file struct_matrix.h.

Referenced by addRow(), SCIPmatrixCreate(), SCIPmatrixGetRowLhs(), and SCIPmatrixPrintRow().

◆ rhs

SCIP_Real* SCIP_Matrix::rhs

right hand side per row

Definition at line 59 of file struct_matrix.h.

Referenced by addRow(), SCIPmatrixCreate(), SCIPmatrixGetRowRhs(), and SCIPmatrixPrintRow().

◆ cons

SCIP_CONS** SCIP_Matrix::cons

constraints pointer

Definition at line 61 of file struct_matrix.h.

Referenced by SCIPmatrixCreate(), SCIPmatrixGetCons(), SCIPmatrixGetRowName(), and SCIPmatrixPrintRow().

◆ isrhsinfinite

SCIP_Bool* SCIP_Matrix::isrhsinfinite

is right hand side infinity

Definition at line 63 of file struct_matrix.h.

Referenced by addRow(), SCIPmatrixCreate(), SCIPmatrixGetParallelCols(), and SCIPmatrixIsRowRhsInfinity().

◆ nnonzs

int SCIP_Matrix::nnonzs

sparsity counter

Definition at line 64 of file struct_matrix.h.

Referenced by addRow(), SCIPmatrixCreate(), and SCIPmatrixGetNNonzs().

◆ minactivity

SCIP_Real* SCIP_Matrix::minactivity

min activity per row

Definition at line 65 of file struct_matrix.h.

Referenced by calcActivityBounds(), SCIPmatrixCreate(), and SCIPmatrixGetRowMinActivity().

◆ maxactivity

SCIP_Real* SCIP_Matrix::maxactivity

max activity per row

Definition at line 66 of file struct_matrix.h.

Referenced by calcActivityBounds(), SCIPmatrixCreate(), and SCIPmatrixGetRowMaxActivity().

◆ minactivityneginf

int* SCIP_Matrix::minactivityneginf

min activity negative infinity counter

Definition at line 67 of file struct_matrix.h.

Referenced by calcActivityBounds(), SCIPmatrixCreate(), and SCIPmatrixGetRowNMinActNegInf().

◆ minactivityposinf

int* SCIP_Matrix::minactivityposinf

min activity positive infinity counter

Definition at line 68 of file struct_matrix.h.

Referenced by calcActivityBounds(), SCIPmatrixCreate(), and SCIPmatrixGetRowNMinActPosInf().

◆ maxactivityneginf

int* SCIP_Matrix::maxactivityneginf

max activity negative infinity counter

Definition at line 69 of file struct_matrix.h.

Referenced by calcActivityBounds(), SCIPmatrixCreate(), and SCIPmatrixGetRowNMaxActNegInf().

◆ maxactivityposinf

int* SCIP_Matrix::maxactivityposinf

max activity positive infinity counter

Definition at line 70 of file struct_matrix.h.

Referenced by calcActivityBounds(), SCIPmatrixCreate(), and SCIPmatrixGetRowNMaxActPosInf().