/usr/include/ug/algebra.h is in libdune-uggrid-dev 2.5.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// vi: set et ts=4 sw=2 sts=2:
/*! \file algebra.h
* \ingroup gm
*/
/** \addtogroup gm
*
* @{
*/
/****************************************************************************/
/* */
/* File: algebra.h */
/* */
/* Purpose: header for algebraic structures */
/* internal interface for grid manager module */
/* */
/* Author: Klaus Johannsen */
/* Interdisziplinaeres Zentrum fuer Wissenschaftliches Rechnen */
/* Universitaet Heidelberg */
/* Im Neuenheimer Feld 294 */
/* 6900 Heidelberg */
/* internet: ug@ica3.uni-stuttgart.de */
/* */
/* blockvector data structure: */
/* Christian Wrobel */
/* Institut fuer Computeranwendungen III */
/* Universitaet Stuttgart */
/* Pfaffenwaldring 27 */
/* 70569 Stuttgart */
/* email: ug@ica3.uni-stuttgart.de */
/* */
/* History: 1.12.93 begin, ug 3d */
/* 27.09.95 blockvector implemented (Christian Wrobel) */
/* */
/* Remarks: */
/* */
/****************************************************************************/
/****************************************************************************/
/* */
/* auto include mechanism and other include files */
/* */
/****************************************************************************/
#ifndef __ALGEBRA__
#define __ALGEBRA__
#include "ugtypes.h"
#include "gm.h"
#include "namespace.h"
START_UGDIM_NAMESPACE
/****************************************************************************/
/* */
/* defines in the following order */
/* */
/* compile time constants defining static data size (i.e. arrays) */
/* other constants */
/* macros */
/* */
/****************************************************************************/
/** @name Vector classes */
enum VectorClass {EVERY_CLASS = 0, /*!< Class of all vectors */
NEWDEF_CLASS = 2, /*!< Class of the vectors where defect needed */
ACTIVE_CLASS = 3 /*!< Class of the active vectors */
};
#define GET_MATRIX(v,w,m) \
{ MATRIX *theMatrix0; \
VECTOR *theVector0 = (v); \
VECTOR *theVector1 = (w); \
(m) = NULL; \
if (theVector0 == theVector1) (m) = VSTART(theVector0); \
else if (VINDEX(theVector0) > VINDEX(theVector1)) { \
for (theMatrix0=MNEXT(VSTART(theVector0)); theMatrix0!=NULL; \
theMatrix0=MNEXT(theMatrix0)) \
if (MDEST(theMatrix0)==theVector1) { (m) = theMatrix0; break; }} \
else { for (theMatrix0=MNEXT(VSTART(theVector1)); theMatrix0!=NULL; \
theMatrix0=MNEXT(theMatrix0)) \
if (MDEST(theMatrix0)==theVector0) {(m) = MADJ(theMatrix0); break;}}}
/****************************************************************************/
/* */
/* data structures exported by the corresponding source file */
/* */
/****************************************************************************/
extern const char *ObjTypeName[MAXVOBJECTS];
/****************************************************************************/
/* */
/* control word definitions */
/* */
/****************************************************************************/
enum ALGEBRA_CE {
EBUILDCON_CE = GM_N_CE, /* continue after gm.h entries */
ALGEBRA_N_CE
};
/* element */
#define EBUILDCON_SHIFT 11
#define EBUILDCON_LEN 1
#define EBUILDCON(p) CW_READ(p,EBUILDCON_CE)
#define SETEBUILDCON(p,n) CW_WRITE(p,EBUILDCON_CE,n)
/****************************************************************************/
/* */
/* macros for VECTORs */
/* */
/****************************************************************************/
/** @name Macros for VECTORs */
/*@{*/
#define VBUILDCON(p) VCFLAG(p)
#define SETVBUILDCON(p,n) SETVCFLAG(p,n)
/*@}*/
/****************************************************************************/
/* */
/* function declarations */
/* */
/****************************************************************************/
/** \brief Domain part for object */
INT GetDomainPart (const INT s2p[], const GEOM_OBJECT *obj, INT side);
/** @name basic create and dispose functions */
/*@{*/
INT CreateVector (GRID *theGrid, INT ObjectType, GEOM_OBJECT *object, VECTOR **vHandle);
INT CreateSideVector (GRID *theGrid, INT side, GEOM_OBJECT *object, VECTOR **vHandle);
INT ReinspectSonSideVector (GRID *g, ELEMENT *elem, INT side, VECTOR **vHandle);
CONNECTION *CreateConnection (GRID *theGrid, VECTOR *from, VECTOR *to);
INT CreateElementList (GRID *theGrid, NODE *theNode, ELEMENT *theElement);
INT DisposeVector (GRID *theGrid, VECTOR *theVector);
INT DisposeConnection (GRID *theGrid, CONNECTION *theConnection);
/*@}*/
/** @name More create and dispose */
/*@{*/
INT MGCreateConnection (MULTIGRID *theMG);
INT CreateConnectionsInNeighborhood (GRID *theGrid, ELEMENT *theElement);
INT InsertedElementCreateConnection (GRID *theGrid, ELEMENT *theElement);
INT DisposeConnectionFromVector (GRID *theGrid, VECTOR *theVector);
INT DisposeConnectionFromElement (GRID *theGrid, ELEMENT *theElement);
INT DisposeConnectionsInNeighborhood(GRID *theGrid, ELEMENT *theElement);
INT DisposeConnectionsFromMultiGrid (MULTIGRID *theMG);
#ifdef __THREEDIM__
INT DisposeDoubledSideVector (GRID *theGrid, ELEMENT *Elem0, INT Side0, ELEMENT *Elem1, INT Side1);
#endif
INT DisposeElementList(GRID *theGrid, NODE *theNode);
INT DisposeElementFromElementList (GRID *theGrid, NODE *theNode, ELEMENT *theElement);
/*@}*/
/** @name Query functions */
/*@{*/
INT GetVectorsOfElement (const ELEMENT *theElement, INT *cnt, VECTOR **vList);
INT GetVectorsOfSides (const ELEMENT *theElement, INT *cnt, VECTOR **vList);
INT GetVectorsOfEdges (const ELEMENT *theElement, INT *cnt, VECTOR **vList);
INT GetVectorsOfNodes (const ELEMENT *theElement, INT *cnt, VECTOR **vList);
INT GetVectorsOfOType (const ELEMENT *theElement, INT type, INT *cnt, VECTOR **vList);
INT DataTypeFilterVList (INT dt, VECTOR **vec, INT *cnt);
INT GetVectorsOfDataTypesInObjects (const ELEMENT *theElement, INT dt, INT obj, INT *cnt, VECTOR *VecList[]);
INT PrepareGetBoundaryNeighbourVectors (GRID *theGrid, INT *MaxListLen);
INT ResetGetBoundaryNeighbourVectors (void);
INT GetBoundaryNeighbourVectors (INT dt, INT obj, INT *cnt, VECTOR *VecList[]);
INT FinishBoundaryNeighbourVectors (void);
INT GetElementInfoFromSideVector (const VECTOR *theVector, ELEMENT **Elements, INT *Sides);
#ifdef ModelP
INT GetVectorSize (GRID *theGrid, INT VectorObjType, GEOM_OBJECT *object);
#endif
/*@}*/
/** @name Gridwise functions */
/*@{*/
INT GridCreateConnection (GRID *theGrid);
INT SetSurfaceClasses (MULTIGRID *theMG);
INT CreateAlgebra (MULTIGRID *theMG);
/*@}*/
/** @name Check algebra */
/*@{*/
INT ElementCheckConnection (GRID *theGrid, ELEMENT *theElement);
INT CheckAlgebra (GRID *theGrid);
/*@}*/
/** @name Determination of vector classes */
/*@{*/
INT ClearVectorClasses (GRID *theGrid);
INT SeedVectorClasses (GRID *theGrid, ELEMENT *theElement);
INT PropagateVectorClasses (GRID *theGrid);
INT ClearNextVectorClasses (GRID *theGrid);
INT SeedNextVectorClasses (GRID *theGrid, ELEMENT *theElement);
INT PropagateNextVectorClasses (GRID *theGrid);
INT MaxNextVectorClass (GRID *theGrid, ELEMENT *theElement);
/*@}*/
/** @name Miscellaneous routines */
/*@{*/
INT PrepareAlgebraModification (MULTIGRID *theMG);
INT MoveVector (GRID *theGrid, VECTOR *moveVector, VECTOR *destVector, INT after);
/*@}*/
/** \brief Initialization */
INT InitAlgebra (void);
END_UGDIM_NAMESPACE
#endif
/** @} */
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