cons_sdp.h

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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*                                                                           */
/* This file is part of SCIPSDP - a solving framework for mixed-integer      */
/* semidefinite programs based on SCIP.                                      */
/*                                                                           */
/* Copyright (C) 2011-2013 Discrete Optimization, TU Darmstadt               */
/*                         EDOM, FAU Erlangen-Nürnberg                       */
/*               2014-2020 Discrete Optimization, TU Darmstadt               */
/*                                                                           */
/*                                                                           */
/* This program is free software; you can redistribute it and/or             */
/* modify it under the terms of the GNU Lesser General Public License        */
/* as published by the Free Software Foundation; either version 3            */
/* of the License, or (at your option) any later version.                    */
/*                                                                           */
/* This program is distributed in the hope that it will be useful,           */
/* but WITHOUT ANY WARRANTY; without even the implied warranty of            */
/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             */
/* GNU Lesser General Public License for more details.                       */
/*                                                                           */
/* You should have received a copy of the GNU Lesser General Public License  */
/* along with this program; if not, write to the Free Software               */
/* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.*/
/*                                                                           */
/*                                                                           */
/* Based on SCIP - Solving Constraint Integer Programs                       */
/* Copyright (C) 2002-2020 Zuse Institute Berlin                             */
/* SCIP is distributed under the terms of the SCIP Academic Licence,         */
/* see file COPYING in the SCIP distribution.                                */
/*                                                                           */
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#ifndef __SCIP_CONSHDLR_SDP_H__
#define __SCIP_CONSHDLR_SDP_H__

#include "scip/scip.h"


#ifdef __cplusplus
extern "C" {
#endif

SCIP_EXPORT
SCIP_RETCODE SCIPincludeConshdlrSdp(
   SCIP*                 scip                
   );

SCIP_EXPORT
SCIP_RETCODE SCIPincludeConshdlrSdpRank1(
   SCIP*                 scip                
   );

SCIP_EXPORT
SCIP_RETCODE SCIPcreateConsSdp(
   SCIP*                 scip,               
   SCIP_CONS**           cons,               
   const char*           name,               
   int                   nvars,              
   int                   nnonz,              
   int                   blocksize,          
   int*                  nvarnonz,           
   int**                 col,                
   int**                 row,                
   SCIP_Real**           val,                
   SCIP_VAR**            vars,               
   int                   constnnonz,         
   int*                  constcol,           
   int*                  constrow,           
   SCIP_Real*            constval            
   );

SCIP_EXPORT
SCIP_RETCODE SCIPcreateConsSdpRank1(
   SCIP*                 scip,               
   SCIP_CONS**           cons,               
   const char*           name,               
   int                   nvars,              
   int                   nnonz,              
   int                   blocksize,          
   int*                  nvarnonz,           
   int**                 col,                
   int**                 row,                
   SCIP_Real**           val,                
   SCIP_VAR**            vars,               
   int                   constnnonz,         
   int*                  constcol,           
   int*                  constrow,           
   SCIP_Real*            constval            
   );

SCIP_EXPORT
int SCIPconsSdpCompLowerTriangPos(
   int                   i,                  
   int                   j                   
   );

SCIP_EXPORT
SCIP_RETCODE SCIPconsSdpGetData(
   SCIP*                 scip,               
   SCIP_CONS*            cons,               
   int*                  nvars,              
   int*                  nnonz,              
   int*                  blocksize,          
   int*                  arraylength,        
   int*                  nvarnonz,           
   int**                 col,                
   int**                 row,                
   SCIP_Real**           val,                
   SCIP_VAR**            vars,               
   int*                  constnnonz,         
   int*                  constcol,           
   int*                  constrow,           
   SCIP_Real*            constval,           
   SCIP_Bool*            rankone,            
   int**                 maxevsubmat,        
   SCIP_Bool*            addedquadcons       
   );

SCIP_EXPORT
SCIP_RETCODE SCIPconsSdpGetNNonz(
   SCIP*                 scip,               
   SCIP_CONS*            cons,               
   int*                  nnonz,              
   int*                  constnnonz          
   );

SCIP_EXPORT
int SCIPconsSdpGetBlocksize(
   SCIP*                 scip,               
   SCIP_CONS*            cons                
   );

SCIP_EXPORT
SCIP_RETCODE SCIPconsSdpGetFullAj(
   SCIP*                 scip,               
   SCIP_CONS*            cons,               
   int                   j,                  
   SCIP_Real*            Aj                  
   );

SCIP_EXPORT
SCIP_RETCODE SCIPconsSdpGetFullConstMatrix(
   SCIP*                 scip,               
   SCIP_CONS*            cons,               
   SCIP_Real*            mat                 
   );

SCIP_EXPORT
SCIP_RETCODE SCIPconsSdpGetLowerTriangConstMatrix(
   SCIP*                 scip,               
   SCIP_CONS*            cons,               
   SCIP_Real*            mat                 
   );

SCIP_EXPORT
SCIP_RETCODE SCIPconsSdpCheckSdpCons(
   SCIP*                 scip,               
   SCIP_CONS*            cons,               
   SCIP_SOL*             sol,                
   SCIP_Bool             printreason,        
   SCIP_RESULT*          result              
   );

SCIP_EXPORT
SCIP_RETCODE SCIPconsSdpGuessInitialPoint(
   SCIP*                 scip,               
   SCIP_CONS*            cons,               
   SCIP_Real*            lambdastar          
   );

SCIP_EXPORT
SCIP_Real SCIPconsSdpGetMaxConstEntry(
   SCIP*                 scip,               
   SCIP_CONS*            cons                
   );

SCIP_EXPORT
SCIP_Real SCIPconsSdpGetMaxSdpCoef(
   SCIP*                 scip,               
   SCIP_CONS*            cons                
   );

SCIP_EXPORT
int SCIPconsSdpComputeUbSparseSdpMatrixLength(
   SCIP_CONS*            cons                
   );

SCIP_EXPORT
SCIP_RETCODE SCIPconsSdpComputeSparseSdpMatrix(
   SCIP*                 scip,               
   SCIP_CONS*            cons,               
   SCIP_SOL*             sol,                
   int*                  length,             
   int*                  row,                
   int*                  col,                
   SCIP_Real*            val                 
   );

SCIP_EXPORT
SCIP_Bool SCIPconsSdpShouldBeRankOne(
   SCIP_CONS*            cons                
   );

SCIP_EXPORT
SCIP_RETCODE SCIPconsSdpGetMaxEVSubmat(
   SCIP_CONS*            cons,               
   int**                 maxevsubmat         
   );

SCIP_EXPORT
SCIP_Bool SCIPconsSdpAddedQuadCons(
   SCIP_CONS*            cons                
   );

#ifdef __cplusplus
}
#endif

#endif