xref: /petsc/include/petscviewer.h (revision e2df7a95c5ea77c899beea10ff9effd6061e7c8f)
1 /*
2      PetscViewers are objects where other objects can be looked at or stored.
3 */
4 
5 #if !defined(__PETSCVIEWER_H)
6 #define __PETSCVIEWER_H
7 
8 #if defined(PETSC_USE_EXTERN_CXX) && defined(__cplusplus)
9 extern "C" {
10 #endif
11 
12 /*S
13      PetscViewer - Abstract PETSc object that helps view (in ASCII, binary, graphically etc)
14          other PETSc objects
15 
16    Level: beginner
17 
18   Concepts: viewing
19 
20 .seealso:  PetscViewerCreate(), PetscViewerSetType(), PetscViewerType
21 S*/
22 typedef struct _p_PetscViewer* PetscViewer;
23 
24 #if defined(PETSC_USE_EXTERN_CXX) && defined(__cplusplus)
25 }
26 #endif
27 
28 #include "petsc.h"
29 
30 #if defined(PETSC_USE_EXTERN_CXX) && defined(__cplusplus)
31 extern "C" {
32 #endif
33 
34 extern PETSC_DLLEXPORT PetscCookie PETSC_VIEWER_COOKIE;
35 
36 #if defined(PETSC_USE_EXTERN_CXX) && defined(__cplusplus)
37 }
38 #endif
39 
40 
41 /*
42     petsc.h must be included AFTER the definition of PetscViewer for ADIC to
43    process correctly.
44 */
45 PETSC_EXTERN_CXX_BEGIN
46 /*E
47     PetscViewerType - String with the name of a PETSc PETScViewer
48 
49    Level: beginner
50 
51 .seealso: PetscViewerSetType(), PetscViewer
52 E*/
53 #define PetscViewerType const char*
54 #define PETSC_VIEWER_SOCKET       "socket"
55 #define PETSC_VIEWER_ASCII        "ascii"
56 #define PETSC_VIEWER_BINARY       "binary"
57 #define PETSC_VIEWER_STRING       "string"
58 #define PETSC_VIEWER_DRAW         "draw"
59 #define PETSC_VIEWER_VU           "vu"
60 #define PETSC_VIEWER_MATHEMATICA  "mathematica"
61 #define PETSC_VIEWER_SILO         "silo"
62 #define PETSC_VIEWER_NETCDF       "netcdf"
63 #define PETSC_VIEWER_HDF4         "hdf4"
64 #define PETSC_VIEWER_MATLAB       "matlab"
65 
66 extern PetscFList PetscViewerList;
67 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerRegisterAll(const char *);
68 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerRegisterDestroy(void);
69 
70 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerRegister(const char*,const char*,const char*,PetscErrorCode (*)(PetscViewer));
71 
72 /*MC
73    PetscViewerRegisterDynamic - Adds a method to the Krylov subspace solver package.
74 
75    Synopsis:
76    PetscErrorCode PetscViewerRegisterDynamic(char *name_solver,char *path,char *name_create,PetscErrorCode (*routine_create)(PetscViewer))
77 
78    Not Collective
79 
80    Input Parameters:
81 +  name_solver - name of a new user-defined solver
82 .  path - path (either absolute or relative) the library containing this solver
83 .  name_create - name of routine to create method context
84 -  routine_create - routine to create method context
85 
86    Level: developer
87 
88    Notes:
89    PetscViewerRegisterDynamic() may be called multiple times to add several user-defined solvers.
90 
91    If dynamic libraries are used, then the fourth input argument (routine_create)
92    is ignored.
93 
94    Sample usage:
95 .vb
96    PetscViewerRegisterDynamic("my_viewer_type",/home/username/my_lib/lib/libO/solaris/mylib.a,
97                "MyViewerCreate",MyViewerCreate);
98 .ve
99 
100    Then, your solver can be chosen with the procedural interface via
101 $     PetscViewerSetType(ksp,"my_viewer_type")
102    or at runtime via the option
103 $     -viewer_type my_viewer_type
104 
105   Concepts: registering^Viewers
106 
107 .seealso: PetscViewerRegisterAll(), PetscViewerRegisterDestroy()
108 M*/
109 #if defined(PETSC_USE_DYNAMIC_LIBRARIES)
110 #define PetscViewerRegisterDynamic(a,b,c,d) PetscViewerRegister(a,b,c,0)
111 #else
112 #define PetscViewerRegisterDynamic(a,b,c,d) PetscViewerRegister(a,b,c,d)
113 #endif
114 
115 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerCreate(MPI_Comm,PetscViewer*);
116 PetscPolymorphicSubroutine(PetscViewerCreate,(PetscViewer *v),(PETSC_COMM_SELF,v))
117 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerSetFromOptions(PetscViewer);
118 
119 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerASCIIOpen(MPI_Comm,const char[],PetscViewer*);
120 
121 /*E
122   PetscViewerFileType - Indicates how the file should be opened for the viewer
123 
124   Level: beginner
125 
126 .seealso: PetscViewerSetFileName(), PetscViewerSetFileType(), PetscViewerBinaryOpen(), PetscViewerASCIIOpen(),
127           PetscViewerMatlabOpen()
128 E*/
129 typedef enum {PETSC_FILE_RDONLY,PETSC_FILE_WRONLY,PETSC_FILE_CREATE} PetscViewerFileType;
130 
131 /*MC
132     PETSC_FILE_RDONLY - File is open to be read from only, not written to
133 
134     Level: beginner
135 
136 .seealso: PetscViewerFileType, PETSC_FILE_WRONLY, PETSC_FILE_CREATE, PetscViewerSetFileName(), PetscViewerSetFileType(),
137           PetscViewerBinaryOpen(), PetscViewerASCIIOpen(), PetscViewerMatlabOpen()
138 
139 M*/
140 
141 /*MC
142     PETSC_FILE_WRONLY - File is open to be appended to.
143 
144     Level: beginner
145 
146 .seealso: PetscViewerFileType, PETSC_FILE_RDONLY, PETSC_FILE_CREATE, PetscViewerSetFileName(), PetscViewerSetFileType(),
147           PetscViewerBinaryOpen(), PetscViewerASCIIOpen(), PetscViewerMatlabOpen()
148 
149 M*/
150 
151 /*MC
152     PETSC_FILE_CREATE - Create the file, or delete it and open an empty file if it already existed
153 
154     Level: beginner
155 
156 .seealso: PetscViewerFileType, PETSC_FILE_RDONLY, PETSC_FILE_WRONLY, PetscViewerSetFileName(), PetscViewerSetFileType(),
157           PetscViewerBinaryOpen(), PetscViewerASCIIOpen(), PetscViewerMatlabOpen()
158 
159 M*/
160 
161 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerBinaryOpen(MPI_Comm,const char[],PetscViewerFileType,PetscViewer*);
162 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerSocketOpen(MPI_Comm,const char[],int,PetscViewer*);
163 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerStringOpen(MPI_Comm,char[],PetscInt,PetscViewer*);
164 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerDrawOpen(MPI_Comm,const char[],const char[],int,int,int,int,PetscViewer*);
165 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerMathematicaOpen(MPI_Comm, int, const char[], const char[], PetscViewer *);
166 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerSiloOpen(MPI_Comm, const char[], PetscViewer *);
167 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerMatlabOpen(MPI_Comm,const char[],PetscViewerFileType,PetscViewer*);
168 
169 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerGetType(PetscViewer,PetscViewerType*);
170 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerSetType(PetscViewer,PetscViewerType);
171 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerDestroy(PetscViewer);
172 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerGetSingleton(PetscViewer,PetscViewer*);
173 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerRestoreSingleton(PetscViewer,PetscViewer*);
174 
175 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerSetUp(PetscViewer);
176 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerView(PetscViewer,PetscViewer);
177 
178 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerSetOptionsPrefix(PetscViewer,const char[]);
179 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerAppendOptionsPrefix(PetscViewer,const char[]);
180 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerGetOptionsPrefix(PetscViewer,const char*[]);
181 
182 /*E
183     PetscViewerFormat - Way a viewer presents the object
184 
185    Level: beginner
186 
187 .seealso: PetscViewerSetFormat(), PetscViewer, PetscViewerType, PetscViewerPushFormat(), PetscViewerPopFormat()
188 E*/
189 typedef enum {
190   PETSC_VIEWER_ASCII_DEFAULT,
191   PETSC_VIEWER_ASCII_MATLAB,
192   PETSC_VIEWER_ASCII_MATHEMATICA,
193   PETSC_VIEWER_ASCII_IMPL,
194   PETSC_VIEWER_ASCII_INFO,
195   PETSC_VIEWER_ASCII_INFO_DETAIL,
196   PETSC_VIEWER_ASCII_COMMON,
197   PETSC_VIEWER_ASCII_SYMMODU,
198   PETSC_VIEWER_ASCII_INDEX,
199   PETSC_VIEWER_ASCII_DENSE,
200   PETSC_VIEWER_BINARY_DEFAULT,
201   PETSC_VIEWER_BINARY_NATIVE,
202   PETSC_VIEWER_DRAW_BASIC,
203   PETSC_VIEWER_DRAW_LG,
204   PETSC_VIEWER_DRAW_CONTOUR,
205   PETSC_VIEWER_DRAW_PORTS,
206   PETSC_VIEWER_NATIVE,
207   PETSC_VIEWER_NOFORMAT,
208   PETSC_VIEWER_ASCII_FACTOR_INFO} PetscViewerFormat;
209 
210 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerSetFormat(PetscViewer,PetscViewerFormat);
211 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerPushFormat(PetscViewer,PetscViewerFormat);
212 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerPopFormat(PetscViewer);
213 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerGetFormat(PetscViewer,PetscViewerFormat*);
214 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerFlush(PetscViewer);
215 
216 /*
217    Operations explicit to a particular class of viewers
218 */
219 
220 /*E
221   PetscViewerFormat - Access mode for a file.
222 
223   Level: beginner
224 
225 .seealso: PetscViewerASCIISetMode()
226 E*/
227 typedef enum {FILE_MODE_READ, FILE_MODE_WRITE, FILE_MODE_APPEND, FILE_MODE_UPDATE, FILE_MODE_APPEND_UPDATE} PetscFileMode;
228 
229 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerASCIIGetPointer(PetscViewer,FILE**);
230 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerASCIISetMode(PetscViewer,PetscFileMode);
231 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerASCIIPrintf(PetscViewer,const char[],...) PETSC_PRINTF_FORMAT_CHECK(2,3);
232 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerASCIISynchronizedPrintf(PetscViewer,const char[],...) PETSC_PRINTF_FORMAT_CHECK(2,3);
233 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerASCIIPushTab(PetscViewer);
234 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerASCIIPopTab(PetscViewer);
235 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerASCIIUseTabs(PetscViewer,PetscTruth);
236 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerASCIISetTab(PetscViewer,PetscInt);
237 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerBinaryGetDescriptor(PetscViewer,int*);
238 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerBinaryGetInfoPointer(PetscViewer,FILE **);
239 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerBinaryRead(PetscViewer,void*,PetscInt,PetscDataType);
240 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerBinaryWrite(PetscViewer,void*,PetscInt,PetscDataType,PetscTruth);
241 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerSetFileType(PetscViewer,PetscViewerFileType);
242 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerStringSPrintf(PetscViewer,const char[],...) PETSC_PRINTF_FORMAT_CHECK(2,3);
243 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerStringSetString(PetscViewer,char[],PetscInt);
244 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerDrawClear(PetscViewer);
245 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerDrawSetInfo(PetscViewer,const char[],const char[],int,int,int,int);
246 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerSocketSetConnection(PetscViewer,const char[],PetscInt);
247 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerBinarySkipInfo(PetscViewer);
248 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerBinaryLoadInfo(PetscViewer);
249 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerBinarySetSkipOptions(PetscViewer,PetscTruth);
250 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerBinaryGetSkipOptions(PetscViewer,PetscTruth*);
251 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerBinaryReadStringArray(PetscViewer,char***);
252 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerBinaryWriteStringArray(PetscViewer,char**);
253 
254 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerSetFilename(PetscViewer,const char[]);
255 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerGetFilename(PetscViewer,char**);
256 
257 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscPLAPACKInitializePackage(char *);
258 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscPLAPACKFinalizePackage(void);
259 
260 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerVUGetPointer(PetscViewer, FILE**);
261 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerVUSetMode(PetscViewer, PetscFileMode);
262 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerVUSetVecSeen(PetscViewer, PetscTruth);
263 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerVUGetVecSeen(PetscViewer, PetscTruth *);
264 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerVUPrintDeferred(PetscViewer, const char [], ...) PETSC_PRINTF_FORMAT_CHECK(2,3);
265 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerVUFlushDeferred(PetscViewer);
266 
267 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerMathematicaInitializePackage(char *);
268 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerMathematicaFinalizePackage(void);
269 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerMathematicaGetName(PetscViewer, const char **);
270 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerMathematicaSetName(PetscViewer, const char []);
271 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerMathematicaClearName(PetscViewer);
272 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerMathematicaSkipPackets(PetscViewer, int);
273 
274 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerSiloGetName(PetscViewer, char **);
275 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerSiloSetName(PetscViewer, const char []);
276 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerSiloClearName(PetscViewer);
277 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerSiloGetMeshName(PetscViewer, char **);
278 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerSiloSetMeshName(PetscViewer, const char []);
279 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerSiloClearMeshName(PetscViewer);
280 
281 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerNetcdfOpen(MPI_Comm,const char[],PetscViewerFileType,PetscViewer*);
282 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerNetcdfGetID(PetscViewer, int *);
283 
284 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerHDF4Open(MPI_Comm,const char[],PetscViewerFileType,PetscViewer*);
285 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerHDF4WriteSDS(PetscViewer viewer, float *xf, int d, int *dims, int bs);
286 
287 /*
288      These are all the default viewers that do not have
289    to be explicitly opened
290 */
291 EXTERN PetscViewer PETSC_DLLEXPORT PETSC_VIEWER_STDOUT_(MPI_Comm);
292 EXTERN PetscViewer PETSC_DLLEXPORT PETSC_VIEWER_STDERR_(MPI_Comm);
293 EXTERN PetscViewer PETSC_DLLEXPORT PETSC_VIEWER_DRAW_(MPI_Comm);
294 EXTERN PetscViewer PETSC_DLLEXPORT PETSC_VIEWER_SOCKET_(MPI_Comm);
295 EXTERN PetscViewer PETSC_DLLEXPORT PETSC_VIEWER_BINARY_(MPI_Comm);
296 EXTERN PetscViewer PETSC_DLLEXPORT PETSC_VIEWER_MATLAB_(MPI_Comm);
297 EXTERN PetscViewer PETSC_VIEWER_MATHEMATICA_WORLD_PRIVATE;
298 
299 #define PETSC_VIEWER_STDERR_SELF  PETSC_VIEWER_STDERR_(PETSC_COMM_SELF)
300 #define PETSC_VIEWER_STDERR_WORLD PETSC_VIEWER_STDERR_(PETSC_COMM_WORLD)
301 
302 /*MC
303   PETSC_VIEWER_STDOUT_WORLD  - same as PETSC_VIEWER_STDOUT_(PETSC_COMM_WORLD)
304 
305   Level: beginner
306 M*/
307 #define PETSC_VIEWER_STDOUT_WORLD PETSC_VIEWER_STDOUT_(PETSC_COMM_WORLD)
308 
309 /*MC
310   PETSC_VIEWER_STDOUT_SELF  - same as PETSC_VIEWER_STDOUT_(PETSC_COMM_SELF)
311 
312   Level: beginner
313 M*/
314 #define PETSC_VIEWER_STDOUT_SELF  PETSC_VIEWER_STDOUT_(PETSC_COMM_SELF)
315 
316 /*MC
317   PETSC_VIEWER_DRAW_WORLD  - same as PETSC_VIEWER_DRAW_(PETSC_COMM_WORLD)
318 
319   Level: intermediate
320 M*/
321 #define PETSC_VIEWER_DRAW_WORLD   PETSC_VIEWER_DRAW_(PETSC_COMM_WORLD)
322 
323 /*MC
324   PETSC_VIEWER_DRAW_SELF  - same as PETSC_VIEWER_DRAW_(PETSC_COMM_SELF)
325 
326   Level: intermediate
327 M*/
328 #define PETSC_VIEWER_DRAW_SELF    PETSC_VIEWER_DRAW_(PETSC_COMM_SELF)
329 
330 /*MC
331   PETSC_VIEWER_SOCKET_WORLD  - same as PETSC_VIEWER_SOCKET_(PETSC_COMM_WORLD)
332 
333   Level: intermediate
334 M*/
335 #define PETSC_VIEWER_SOCKET_WORLD PETSC_VIEWER_SOCKET_(PETSC_COMM_WORLD)
336 
337 /*MC
338   PETSC_VIEWER_SOCKET_SELF  - same as PETSC_VIEWER_SOCKET_(PETSC_COMM_SELF)
339 
340   Level: intermediate
341 M*/
342 #define PETSC_VIEWER_SOCKET_SELF  PETSC_VIEWER_SOCKET_(PETSC_COMM_SELF)
343 
344 /*MC
345   PETSC_VIEWER_BINARY_WORLD  - same as PETSC_VIEWER_BINARY_(PETSC_COMM_WORLD)
346 
347   Level: intermediate
348 M*/
349 #define PETSC_VIEWER_BINARY_WORLD PETSC_VIEWER_BINARY_(PETSC_COMM_WORLD)
350 
351 /*MC
352   PETSC_VIEWER_BINARY_SELF  - same as PETSC_VIEWER_BINARY_(PETSC_COMM_SELF)
353 
354   Level: intermediate
355 M*/
356 #define PETSC_VIEWER_BINARY_SELF  PETSC_VIEWER_BINARY_(PETSC_COMM_SELF)
357 
358 /*MC
359   PETSC_VIEWER_MATLAB_WORLD  - same as PETSC_VIEWER_MATLAB_(PETSC_COMM_WORLD)
360 
361   Level: intermediate
362 M*/
363 #define PETSC_VIEWER_MATLAB_WORLD PETSC_VIEWER_MATLAB_(PETSC_COMM_WORLD)
364 
365 /*MC
366   PETSC_VIEWER_MATLAB_SELF  - same as PETSC_VIEWER_MATLAB_(PETSC_COMM_SELF)
367 
368   Level: intermediate
369 M*/
370 #define PETSC_VIEWER_MATLAB_SELF  PETSC_VIEWER_MATLAB_(PETSC_COMM_SELF)
371 
372 #define PETSC_VIEWER_MATHEMATICA_WORLD (PetscViewerInitializeMathematicaWorld_Private(),PETSC_VIEWER_MATHEMATICA_WORLD_PRIVATE)
373 
374 /*
375    petscViewer writes to Matlab .mat file
376 */
377 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerMatlabPutArray(PetscViewer,int,int,PetscScalar*,char*);
378 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerMatlabGetArray(PetscViewer,int,int,PetscScalar*,char*);
379 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewerMatlabPutVariable(PetscViewer,const char*,void*);
380 
381 /*
382     PetscViewer utility routines used by PETSc that are not normally used
383    by users.
384 */
385 EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscViewerSocketPutScalar(PetscViewer,PetscInt,PetscInt,PetscScalar*);
386 EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscViewerSocketPutReal(PetscViewer,PetscInt,PetscInt,PetscReal*);
387 EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscViewerSocketPutInt(PetscViewer,PetscInt,PetscInt*);
388 EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscViewerSocketPutSparse_Private(PetscViewer,PetscInt,PetscInt,PetscInt,PetscScalar*,PetscInt*,PetscInt *);
389 
390 /*S
391      PetscViewers - Abstract collection of PetscViewers
392 
393    Level: intermediate
394 
395   Concepts: viewing
396 
397 .seealso:  PetscViewerCreate(), PetscViewerSetType(), PetscViewerType, PetscViewer, PetscViewersCreate(),
398            PetscViewersGetViewer()
399 S*/
400 typedef struct _n_PetscViewers* PetscViewers;
401 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewersCreate(MPI_Comm,PetscViewers*);
402 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewersDestroy(PetscViewers);
403 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscViewersGetViewer(PetscViewers,int,PetscViewer*);
404 
405 PETSC_EXTERN_CXX_END
406 #endif
407