Scippy

    SCIP

    Solving Constraint Integer Programs

    struct_cuts.h
    Go to the documentation of this file.
    1/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
    2/* */
    3/* This file is part of the program and library */
    4/* SCIP --- Solving Constraint Integer Programs */
    5/* */
    6/* Copyright (c) 2002-2025 Zuse Institute Berlin (ZIB) */
    7/* */
    8/* Licensed under the Apache License, Version 2.0 (the "License"); */
    9/* you may not use this file except in compliance with the License. */
    10/* You may obtain a copy of the License at */
    11/* */
    12/* http://www.apache.org/licenses/LICENSE-2.0 */
    13/* */
    14/* Unless required by applicable law or agreed to in writing, software */
    15/* distributed under the License is distributed on an "AS IS" BASIS, */
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    18/* limitations under the License. */
    19/* */
    20/* You should have received a copy of the Apache-2.0 license */
    21/* along with SCIP; see the file LICENSE. If not visit scipopt.org. */
    22/* */
    23/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
    24
    25/**@file struct_cuts.h
    26 * @ingroup PUBLICCOREAPI
    27 * @brief struct definitions for cuts
    28 * @author Leona Gottwald
    29 *
    30 */
    31
    32/*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
    33
    34#ifndef __SCIP_STRUCT_CUTS_H__
    35#define __SCIP_STRUCT_CUTS_H__
    36
    37#include "scip/def.h"
    38#include "scip/dbldblarith.h"
    39
    41{
    42 SCIP_Real* vals; /**< non-zero coefficients of the cut row */
    43 int* inds; /**< problem indices of variables with a non-zero coefficient in the cut row */
    44 int* rowsinds; /**< lpposition of rows that have been added to the cutrow */
    45 int* slacksign; /**< slacksign of rows that have been added to the cutrow */
    46 SCIP_Real* rowweights; /**< weights of rows that have been added to the cutrow */
    47 QUAD_MEMBER(SCIP_Real rhs); /**< right hand side of the cut row */
    48 int nnz; /**< number of non-zeros in the cut row */
    49 int nrows; /**< number of rows that have been added to the cutrow */
    50 int rowssize; /**< size of the row and slacksign array */
    51 int rank; /**< rank of the cut row */
    52 SCIP_Bool local; /**< is the cut row only valid locally? */
    53 SCIP_Longint certificateline; /**< proof index in certificate or SCIP_LONGINT_MAX */
    54};
    55
    56#endif
    defines macros for basic operations in double-double arithmetic giving roughly twice the precision of...
    common defines and data types used in all packages of SCIP
    #define SCIP_Longint
    Definition: def.h:141
    #define SCIP_Bool
    Definition: def.h:91
    #define SCIP_Real
    Definition: def.h:156
    SCIP_Longint certificateline
    Definition: struct_cuts.h:53
    SCIP_Real * vals
    Definition: struct_cuts.h:42
    SCIP_Real * rowweights
    Definition: struct_cuts.h:46
    int * rowsinds
    Definition: struct_cuts.h:44
    QUAD_MEMBER(SCIP_Real rhs)
    SCIP_Bool local
    Definition: struct_cuts.h:52
    int * slacksign
    Definition: struct_cuts.h:45