/usr/lib/petscdir/3.7.7/x86_64-linux-gnu-real-debug/include/petsc/private/isimpl.h is in libpetsc3.7.7-dbg 3.7.7+dfsg1-2build5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 | /*
Index sets for scatter-gather type operations in vectors
and matrices.
*/
#if !defined(_IS_H)
#define _IS_H
#include <petscis.h>
#include <petsc/private/petscimpl.h>
PETSC_EXTERN PetscBool ISRegisterAllCalled;
PETSC_EXTERN PetscErrorCode ISRegisterAll(void);
struct _ISOps {
PetscErrorCode (*getsize)(IS,PetscInt*);
PetscErrorCode (*getlocalsize)(IS,PetscInt*);
PetscErrorCode (*getindices)(IS,const PetscInt*[]);
PetscErrorCode (*restoreindices)(IS,const PetscInt*[]);
PetscErrorCode (*invertpermutation)(IS,PetscInt,IS*);
PetscErrorCode (*sort)(IS);
PetscErrorCode (*sortremovedups)(IS);
PetscErrorCode (*sorted)(IS,PetscBool*);
PetscErrorCode (*duplicate)(IS,IS*);
PetscErrorCode (*destroy)(IS);
PetscErrorCode (*view)(IS,PetscViewer);
PetscErrorCode (*load)(IS,PetscViewer);
PetscErrorCode (*identity)(IS,PetscBool*);
PetscErrorCode (*copy)(IS,IS);
PetscErrorCode (*togeneral)(IS);
PetscErrorCode (*oncomm)(IS,MPI_Comm,PetscCopyMode,IS*);
PetscErrorCode (*setblocksize)(IS,PetscInt);
PetscErrorCode (*contiguous)(IS,PetscInt,PetscInt,PetscInt*,PetscBool*);
};
struct _p_IS {
PETSCHEADER(struct _ISOps);
PetscLayout map;
PetscBool isperm; /* if is a permutation */
PetscInt max,min; /* range of possible values */
void *data;
PetscBool isidentity;
PetscInt *total, *nonlocal; /* local representation of ALL indices across the comm as well as the nonlocal part. */
PetscInt local_offset; /* offset to the local part within the total index set */
IS complement; /* IS wrapping nonlocal indices. */
};
extern PetscErrorCode ISLoad_Default(IS, PetscViewer);
struct _p_ISLocalToGlobalMapping{
PETSCHEADER(int);
PetscInt n; /* number of local indices */
PetscInt bs; /* blocksize; there is one index per block */
PetscInt *indices; /* global index of each local index */
PetscInt globalstart; /* first global referenced in indices */
PetscInt globalend; /* last + 1 global referenced in indices */
PetscInt *globals; /* local index for each global index between start and end */
PetscBool info_cached; /* reuse GetInfo */
PetscBool info_free;
PetscInt info_nproc;
PetscInt *info_procs;
PetscInt *info_numprocs;
PetscInt **info_indices;
};
struct _n_ISColoring {
PetscInt refct;
PetscInt n; /* number of colors */
IS *is; /* for each color indicates columns */
MPI_Comm comm;
ISColoringValue *colors; /* for each column indicates color */
PetscInt N; /* number of columns */
ISColoringType ctype;
PetscBool allocated;
};
/* ----------------------------------------------------------------------------*/
struct _p_PetscSection {
PETSCHEADER(int);
PetscInt pStart, pEnd; /* The chart: all points are contained in [pStart, pEnd) */
IS perm; /* A permutation of [0, pEnd-pStart) */
PetscInt *atlasDof; /* Describes layout of storage, point --> # of values */
PetscInt *atlasOff; /* Describes layout of storage, point --> offset into storage */
PetscInt maxDof; /* Maximum dof on any point */
PetscSection bc; /* Describes constraints, point --> # local dofs which are constrained */
PetscInt *bcIndices; /* Local indices for constrained dofs */
PetscBool setup;
PetscInt numFields; /* The number of fields making up the degrees of freedom */
const char **fieldNames; /* The field names */
PetscInt *numFieldComponents; /* The number of components in each field */
PetscSection *field; /* A section describing the layout and constraints for each field */
PetscObject clObj; /* Key for the closure (right now we only have one) */
PetscSection clSection; /* Section giving the number of points in each closure */
IS clPoints; /* Points in each closure */
};
#endif
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