SCIP_Matrix Struct Reference

Detailed Description

constraint matrix data structure in column and row major format

Definition at line 37 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

SCIP_Real* SCIP_Matrix::colmatval

coefficients in column major format

Definition at line 39 of file struct_matrix.h.

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

int* SCIP_Matrix::colmatind

row indexes in column major format

Definition at line 40 of file struct_matrix.h.

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

int* SCIP_Matrix::colmatbeg

column storage offset

Definition at line 41 of file struct_matrix.h.

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

int* SCIP_Matrix::colmatcnt

number of row entries per column

Definition at line 42 of file struct_matrix.h.

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

int SCIP_Matrix::ncols

complete number of columns

Definition at line 43 of file struct_matrix.h.

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

SCIP_Real* SCIP_Matrix::lb

lower bound per variable

Definition at line 44 of file struct_matrix.h.

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

SCIP_Real* SCIP_Matrix::ub

upper bound per variable

Definition at line 45 of file struct_matrix.h.

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

int* SCIP_Matrix::nuplocks

number of up locks per variable

Definition at line 46 of file struct_matrix.h.

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

int* SCIP_Matrix::ndownlocks

number of down locks per variable

Definition at line 47 of file struct_matrix.h.

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

SCIP_VAR** SCIP_Matrix::vars

variables pointer

Definition at line 49 of file struct_matrix.h.

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

SCIP_Real* SCIP_Matrix::rowmatval

coefficients in row major format

Definition at line 51 of file struct_matrix.h.

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

int* SCIP_Matrix::rowmatind

column indexed in row major format

Definition at line 52 of file struct_matrix.h.

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

int* SCIP_Matrix::rowmatbeg

row storage offset

Definition at line 53 of file struct_matrix.h.

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

int* SCIP_Matrix::rowmatcnt

number of column entries per row

Definition at line 54 of file struct_matrix.h.

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

int SCIP_Matrix::nrows

complete number of rows

Definition at line 56 of file struct_matrix.h.

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

SCIP_Real* SCIP_Matrix::lhs

left hand side per row

Definition at line 57 of file struct_matrix.h.

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

SCIP_Real* SCIP_Matrix::rhs

right hand side per row

Definition at line 58 of file struct_matrix.h.

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

SCIP_CONS** SCIP_Matrix::cons

constraints pointer

Definition at line 60 of file struct_matrix.h.

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

SCIP_Bool* SCIP_Matrix::isrhsinfinite

is right hand side infinity

Definition at line 62 of file struct_matrix.h.

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

int SCIP_Matrix::nnonzs

sparsity counter

Definition at line 63 of file struct_matrix.h.

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

SCIP_Real* SCIP_Matrix::minactivity

min activity per row

Definition at line 64 of file struct_matrix.h.

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

SCIP_Real* SCIP_Matrix::maxactivity

max activity per row

Definition at line 65 of file struct_matrix.h.

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

int* SCIP_Matrix::minactivityneginf

min activity negative infinity counter

Definition at line 66 of file struct_matrix.h.

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

int* SCIP_Matrix::minactivityposinf

min activity positive infinity counter

Definition at line 67 of file struct_matrix.h.

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

int* SCIP_Matrix::maxactivityneginf

max activity negative infinity counter

Definition at line 68 of file struct_matrix.h.

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

int* SCIP_Matrix::maxactivityposinf

max activity positive infinity counter

Definition at line 69 of file struct_matrix.h.

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