Actual source code: petscoptions.h

petsc-3.10.5 2019-03-28
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  1: /*
  2:    Routines to determine options set in the options database.
  3: */
  6:  #include <petscsys.h>
  7:  #include <petscviewertypes.h>

  9: typedef struct _n_PetscOptions* PetscOptions;
 10: PETSC_EXTERN PetscErrorCode PetscOptionsCreate(PetscOptions*);
 11: PETSC_EXTERN PetscErrorCode PetscOptionsDestroy(PetscOptions*);
 12: PETSC_EXTERN PetscErrorCode PetscOptionsCreateDefault(void);
 13: PETSC_EXTERN PetscErrorCode PetscOptionsDestroyDefault(void);

 15: PETSC_EXTERN PetscErrorCode PetscOptionsHasHelp(PetscOptions,PetscBool*);
 16: PETSC_EXTERN PetscErrorCode PetscOptionsHasName(PetscOptions,const char[],const char[],PetscBool*);
 17: PETSC_EXTERN PetscErrorCode PetscOptionsGetBool(PetscOptions,const char[],const char [],PetscBool*,PetscBool*);
 18: PETSC_EXTERN PetscErrorCode PetscOptionsGetInt(PetscOptions,const char[],const char [],PetscInt*,PetscBool*);
 19: PETSC_EXTERN PetscErrorCode PetscOptionsGetEnum(PetscOptions,const char[],const char[],const char*const*,PetscEnum*,PetscBool*);
 20: PETSC_EXTERN PetscErrorCode PetscOptionsGetEList(PetscOptions,const char[],const char[],const char*const*,PetscInt,PetscInt*,PetscBool*);
 21: PETSC_EXTERN PetscErrorCode PetscOptionsGetReal(PetscOptions,const char[],const char[],PetscReal*,PetscBool*);
 22: PETSC_EXTERN PetscErrorCode PetscOptionsGetScalar(PetscOptions,const char[],const char[],PetscScalar*,PetscBool*);
 23: PETSC_EXTERN PetscErrorCode PetscOptionsGetString(PetscOptions,const char[],const char[],char[],size_t,PetscBool*);

 25: PETSC_EXTERN PetscErrorCode PetscOptionsGetBoolArray(PetscOptions,const char[],const char[],PetscBool [],PetscInt*,PetscBool*);
 26: PETSC_EXTERN PetscErrorCode PetscOptionsGetEnumArray(PetscOptions,const char[],const char[],const char*const*,PetscEnum*,PetscInt*,PetscBool*);
 27: PETSC_EXTERN PetscErrorCode PetscOptionsGetIntArray(PetscOptions,const char[],const char[],PetscInt[],PetscInt*,PetscBool*);
 28: PETSC_EXTERN PetscErrorCode PetscOptionsGetRealArray(PetscOptions,const char[],const char[],PetscReal[],PetscInt*,PetscBool*);
 29: PETSC_EXTERN PetscErrorCode PetscOptionsGetScalarArray(PetscOptions,const char[],const char[],PetscScalar[],PetscInt*,PetscBool*);
 30: PETSC_EXTERN PetscErrorCode PetscOptionsGetStringArray(PetscOptions,const char[],const char[],char*[],PetscInt*,PetscBool*);

 32: PETSC_EXTERN PetscErrorCode PetscOptionsValidKey(const char[],PetscBool*);
 33: PETSC_EXTERN PetscErrorCode PetscOptionsSetAlias(PetscOptions,const char[],const char[]);
 34: PETSC_EXTERN PetscErrorCode PetscOptionsSetValue(PetscOptions,const char[],const char[]);
 35: PETSC_EXTERN PetscErrorCode PetscOptionsClearValue(PetscOptions,const char[]);
 36: PETSC_EXTERN PetscErrorCode PetscOptionsFindPair(PetscOptions,const char[],const char[],const char*[],PetscBool*);

 38: PETSC_EXTERN PetscErrorCode PetscOptionsGetAll(PetscOptions,char*[]);
 39: PETSC_EXTERN PetscErrorCode PetscOptionsAllUsed(PetscOptions,PetscInt*);
 40: PETSC_EXTERN PetscErrorCode PetscOptionsUsed(PetscOptions,const char[],PetscBool*);
 41: PETSC_EXTERN PetscErrorCode PetscOptionsLeft(PetscOptions);
 42: PETSC_EXTERN PetscErrorCode PetscOptionsLeftGet(PetscOptions,PetscInt*,char***,char***);
 43: PETSC_EXTERN PetscErrorCode PetscOptionsLeftRestore(PetscOptions,PetscInt*,char***,char***);
 44: PETSC_EXTERN PetscErrorCode PetscOptionsView(PetscOptions,PetscViewer);

 46: PETSC_EXTERN PetscErrorCode PetscOptionsReject(PetscOptions,const char[],const char[],const char[]);
 47: PETSC_EXTERN PetscErrorCode PetscOptionsInsert(PetscOptions,int*,char***,const char[]);
 48: PETSC_EXTERN PetscErrorCode PetscOptionsInsertFile(MPI_Comm,PetscOptions,const char[],PetscBool );
 49: #if defined(PETSC_HAVE_YAML)
 50: PETSC_EXTERN PetscErrorCode PetscOptionsInsertFileYAML(MPI_Comm,const char[],PetscBool);
 51: #endif
 52: PETSC_EXTERN PetscErrorCode PetscOptionsInsertString(PetscOptions,const char[]);
 53: PETSC_EXTERN PetscErrorCode PetscOptionsClear(PetscOptions);
 54: PETSC_EXTERN PetscErrorCode PetscOptionsPrefixPush(PetscOptions,const char[]);
 55: PETSC_EXTERN PetscErrorCode PetscOptionsPrefixPop(PetscOptions);

 57: PETSC_EXTERN PetscErrorCode PetscOptionsGetenv(MPI_Comm,const char[],char[],size_t,PetscBool*);
 58: PETSC_EXTERN PetscErrorCode PetscOptionsStringToBool(const char[],PetscBool*);
 59: PETSC_EXTERN PetscErrorCode PetscOptionsStringToInt(const char[],PetscInt*);
 60: PETSC_EXTERN PetscErrorCode PetscOptionsStringToReal(const char[],PetscReal*);
 61: PETSC_EXTERN PetscErrorCode PetscOptionsStringToScalar(const char[],PetscScalar*);

 63: PETSC_EXTERN PetscErrorCode PetscOptionsMonitorSet(PetscErrorCode (*)(const char[], const char[], void*), void*, PetscErrorCode (*)(void**));
 64: PETSC_EXTERN PetscErrorCode PetscOptionsMonitorCancel(void);
 65: PETSC_EXTERN PetscErrorCode PetscOptionsMonitorDefault(const char[], const char[], void*);

 67: PETSC_EXTERN PetscBool PetscOptionsPublish;


 70: /*
 71:     See manual page for PetscOptionsBegin()

 73:     PetscOptionsItem and PetscOptionsItems are a single option (such as ksp_type) and a collection of such single
 74:   options being handled with a PetscOptionsBegin/End()

 76: */
 77: typedef enum {OPTION_INT,OPTION_BOOL,OPTION_REAL,OPTION_FLIST,OPTION_STRING,OPTION_REAL_ARRAY,OPTION_SCALAR_ARRAY,OPTION_HEAD,OPTION_INT_ARRAY,OPTION_ELIST,OPTION_BOOL_ARRAY,OPTION_STRING_ARRAY} PetscOptionType;
 78: typedef struct _n_PetscOptionItem* PetscOptionItem;
 79: struct _n_PetscOptionItem{
 80:   char              *option;
 81:   char              *text;
 82:   void              *data;         /* used to hold the default value and then any value it is changed to by GUI */
 83:   PetscFunctionList flist;         /* used for available values for PetscOptionsList() */
 84:   const char *const *list;        /* used for available values for PetscOptionsEList() */
 85:   char              nlist;         /* number of entries in list */
 86:   char              *man;
 87:   size_t            arraylength;   /* number of entries in data in the case that it is an array (of PetscInt etc) */
 88:   PetscBool         set;           /* the user has changed this value in the GUI */
 89:   PetscOptionType   type;
 90:   PetscOptionItem   next;
 91:   char              *pman;
 92:   void              *edata;
 93: };

 95: typedef struct _p_PetscOptionItems {
 96:   PetscInt         count;
 97:   PetscOptionItem  next;
 98:   char             *prefix,*pprefix;
 99:   char             *title;
100:   MPI_Comm         comm;
101:   PetscBool        printhelp,changedmethod,alreadyprinted;
102:   PetscObject      object;
103:   PetscOptions     options;
104: } PetscOptionItems;


107: /*MC
108:     PetscOptionsBegin - Begins a set of queries on the options database that are related and should be
109:      displayed on the same window of a GUI that allows the user to set the options interactively. Often one should
110:      use PetscObjectOptionsBegin() rather than this call.

112:    Synopsis:
113:     #include <petscoptions.h>
114:     PetscErrorCode PetscOptionsBegin(MPI_Comm comm,const char prefix[],const char title[],const char mansec[])

116:     Collective on MPI_Comm

118:   Input Parameters:
119: +   comm - communicator that shares GUI
120: .   prefix - options prefix for all options displayed on window
121: .   title - short descriptive text, for example "Krylov Solver Options"
122: -   mansec - section of manual pages for options, for example KSP

124:   Level: intermediate

126:   Notes:
127:     Needs to be ended by a call the PetscOptionsEnd()
128:          Can add subheadings with PetscOptionsHead()

130:   Developer Notes:
131:     PetscOptionsPublish is set in PetscOptionsCheckInitial_Private() with -saws_options. When PetscOptionsPublish is set the
132: $             loop between PetscOptionsBegin() and PetscOptionsEnd() is run THREE times with PetscOptionsPublishCount of values -1,0,1 otherwise
133: $             the loop is run ONCE with a PetscOptionsPublishCount of 1.
134: $             = -1 : The PetscOptionsInt() etc just call the PetscOptionsGetInt() etc
135: $             = 0  : The GUI objects are created in PetscOptionsInt() etc and displayed in PetscOptionsEnd() and the options
136: $                    database updated updated with user changes; PetscOptionsGetInt() etc are also called
137: $             = 1 : The PetscOptionsInt() etc again call the PetscOptionsGetInt() etc (possibly getting new values), in addition the help message and
138: $                   default values are printed if -help was given.
139: $           When PetscOptionsObject.changedmethod is set this causes PetscOptionsPublishCount to be reset to -2 (so in the next loop iteration it is -1)
140: $           and the whole process is repeated. This is to handle when, for example, the KSPType is changed thus changing the list of
141: $           options available so they need to be redisplayed so the user can change the. Chaning PetscOptionsObjects.changedmethod is never
142: $           currently set.


145: .seealso: PetscOptionsGetReal(), PetscOptionsHasName(), PetscOptionsGetString(), PetscOptionsGetInt(),
146:           PetscOptionsGetIntArray(), PetscOptionsGetRealArray(), PetscOptionsBool()
147:           PetscOptionsInt(), PetscOptionsString(), PetscOptionsReal(), PetscOptionsBool(),
148:           PetscOptionsName(), PetscOptionsBegin(), PetscOptionsEnd(), PetscOptionsHead(),
149:           PetscOptionsStringArray(),PetscOptionsRealArray(), PetscOptionsScalar(),
150:           PetscOptionsBoolGroupBegin(), PetscOptionsBoolGroup(), PetscOptionsBoolGroupEnd(),
151:           PetscOptionsFList(), PetscOptionsEList(), PetscObjectOptionsBegin()

153: M*/
154: #define    PetscOptionsBegin(comm,prefix,mess,sec) 0; do {\
155:              PetscOptionItems PetscOptionsObjectBase;\
156:              PetscOptionItems *PetscOptionsObject = &PetscOptionsObjectBase; \
157:              PetscMemzero(PetscOptionsObject,sizeof(PetscOptionItems)); \
158:              for (PetscOptionsObject->count=(PetscOptionsPublish?-1:1); PetscOptionsObject->count<2; PetscOptionsObject->count++) {\
159:              PetscErrorCode _5_PetscOptionsBegin_Private(PetscOptionsObject,comm,prefix,mess,sec);CHKERRQ(_5_ierr);

161: /*MC
162:     PetscObjectOptionsBegin - Begins a set of queries on the options database that are related and should be
163:      displayed on the same window of a GUI that allows the user to set the options interactively.

165:    Synopsis:
166:     #include <petscoptions.h>
167:     PetscErrorCode PetscObjectOptionsBegin(PetscObject obj)

169:     Collective on PetscObject

171:   Input Parameters:
172: .   obj - object to set options for

174:   Level: intermediate

176:   Notes:
177:     Needs to be ended by a call the PetscOptionsEnd()
178:          Can add subheadings with PetscOptionsHead()

180: .seealso: PetscOptionsGetReal(), PetscOptionsHasName(), PetscOptionsGetString(), PetscOptionsGetInt(),
181:           PetscOptionsGetIntArray(), PetscOptionsGetRealArray(), PetscOptionsBool()
182:           PetscOptionsInt(), PetscOptionsString(), PetscOptionsReal(), PetscOptionsBool(),
183:           PetscOptionsName(), PetscOptionsBegin(), PetscOptionsEnd(), PetscOptionsHead(),
184:           PetscOptionsStringArray(),PetscOptionsRealArray(), PetscOptionsScalar(),
185:           PetscOptionsBoolGroupBegin(), PetscOptionsBoolGroup(), PetscOptionsBoolGroupEnd(),
186:           PetscOptionsFList(), PetscOptionsEList()

188: M*/
189: #define PetscObjectOptionsBegin(obj) 0; do {                            \
190:              PetscOptionItems PetscOptionsObjectBase;\
191:              PetscOptionItems *PetscOptionsObject = &PetscOptionsObjectBase; \
192:              PetscOptionsObject->options = ((PetscObject)obj)->options; \
193:              for (PetscOptionsObject->count=(PetscOptionsPublish?-1:1); PetscOptionsObject->count<2; PetscOptionsObject->count++) {\
194:              PetscErrorCode _5_PetscObjectOptionsBegin_Private(PetscOptionsObject,obj);CHKERRQ(_5_ierr);

196: /*MC
197:     PetscOptionsEnd - Ends a set of queries on the options database that are related and should be
198:      displayed on the same window of a GUI that allows the user to set the options interactively.

200:     Collective on the MPI_Comm used in PetscOptionsBegin()

202:    Synopsis:
203:      #include <petscoptions.h>
204:      PetscErrorCode PetscOptionsEnd(void)

206:   Level: intermediate

208:   Notes:
209:     Needs to be preceded by a call to PetscOptionsBegin() or PetscObjectOptionsBegin()

211: .seealso: PetscOptionsGetReal(), PetscOptionsHasName(), PetscOptionsGetString(), PetscOptionsGetInt(),
212:           PetscOptionsGetIntArray(), PetscOptionsGetRealArray(), PetscOptionsBool()
213:           PetscOptionsInt(), PetscOptionsString(), PetscOptionsReal(), PetscOptionsBool(),
214:           PetscOptionsName(), PetscOptionsBegin(), PetscOptionsEnd(), PetscOptionsHead(),
215:           PetscOptionsStringArray(),PetscOptionsRealArray(), PetscOptionsScalar(),
216:           PetscOptionsBoolGroupBegin(), PetscOptionsBoolGroup(), PetscOptionsBoolGroupEnd(),
217:           PetscOptionsFList(), PetscOptionsEList(), PetscObjectOptionsBegin()

219: M*/
220: #define    PetscOptionsEnd() _5_PetscOptionsEnd_Private(PetscOptionsObject);CHKERRQ(_5_ierr);}} while (0)

222: PETSC_EXTERN PetscErrorCode PetscOptionsBegin_Private(PetscOptionItems *,MPI_Comm,const char[],const char[],const char[]);
223: PETSC_EXTERN PetscErrorCode PetscObjectOptionsBegin_Private(PetscOptionItems *,PetscObject);
224: PETSC_EXTERN PetscErrorCode PetscOptionsEnd_Private(PetscOptionItems *);
225: PETSC_EXTERN PetscErrorCode PetscOptionsHead(PetscOptionItems *,const char[]);

227: /*MC
228:      PetscOptionsTail - Ends a section of options begun with PetscOptionsHead()
229:             See, for example, KSPSetFromOptions_GMRES().

231:    Collective on the communicator passed in PetscOptionsBegin()

233:    Synopsis:
234:      #include <petscoptions.h>
235:      PetscErrorCode PetscOptionsTail(void)

237:   Level: intermediate

239:    Notes:
240:     Must be between a PetscOptionsBegin()/PetscObjectOptionsBegin() and a PetscOptionsEnd()

242:           Must be preceded by a call to PetscOptionsHead() in the same function.

244:           This needs to be used only if the code below PetscOptionsTail() can be run ONLY once.
245:       See, for example, PCSetFromOptions_Composite(). This is a return(0) in it for early exit
246:       from the function.

248:           This is only for use with the PETSc options GUI

250:    Concepts: options database^subheading

252: .seealso: PetscOptionsGetInt(), PetscOptionsGetReal(),
253:            PetscOptionsHasName(), PetscOptionsGetIntArray(), PetscOptionsGetRealArray(), PetscOptionsBool(),
254:           PetscOptionsName(), PetscOptionsBegin(), PetscOptionsEnd(), PetscOptionsHead(),
255:           PetscOptionsStringArray(),PetscOptionsRealArray(), PetscOptionsScalar(),
256:           PetscOptionsBoolGroupBegin(), PetscOptionsBoolGroup(), PetscOptionsBoolGroupEnd(),
257:           PetscOptionsFList(), PetscOptionsEList(), PetscOptionsEnum()
258: M*/
259: #define    PetscOptionsTail() 0; {if (PetscOptionsObject->count != 1) return(0);}

261: #define PetscOptionsEnum(a,b,c,d,e,f,g) PetscOptionsEnum_Private(PetscOptionsObject,a,b,c,d,e,f,g)
262: #define PetscOptionsInt(a,b,c,d,e,f) PetscOptionsInt_Private(PetscOptionsObject,a,b,c,d,e,f)
263: #define PetscOptionsReal(a,b,c,d,e,f) PetscOptionsReal_Private(PetscOptionsObject,a,b,c,d,e,f)
264: #define PetscOptionsScalar(a,b,c,d,e,f) PetscOptionsScalar_Private(PetscOptionsObject,a,b,c,d,e,f)
265: #define PetscOptionsName(a,b,c,d) PetscOptionsName_Private(PetscOptionsObject,a,b,c,d)
266: #define PetscOptionsString(a,b,c,d,e,f,g) PetscOptionsString_Private(PetscOptionsObject,a,b,c,d,e,f,g)
267: #define PetscOptionsBool(a,b,c,d,e,f) PetscOptionsBool_Private(PetscOptionsObject,a,b,c,d,e,f)
268: #define PetscOptionsBoolGroupBegin(a,b,c,d) PetscOptionsBoolGroupBegin_Private(PetscOptionsObject,a,b,c,d)
269: #define PetscOptionsBoolGroup(a,b,c,d) PetscOptionsBoolGroup_Private(PetscOptionsObject,a,b,c,d)
270: #define PetscOptionsBoolGroupEnd(a,b,c,d) PetscOptionsBoolGroupEnd_Private(PetscOptionsObject,a,b,c,d)
271: #define PetscOptionsFList(a,b,c,d,e,f,g,h) PetscOptionsFList_Private(PetscOptionsObject,a,b,c,d,e,f,g,h)
272: #define PetscOptionsEList(a,b,c,d,e,f,g,h) PetscOptionsEList_Private(PetscOptionsObject,a,b,c,d,e,f,g,h)
273: #define PetscOptionsRealArray(a,b,c,d,e,f) PetscOptionsRealArray_Private(PetscOptionsObject,a,b,c,d,e,f)
274: #define PetscOptionsScalarArray(a,b,c,d,e,f) PetscOptionsScalarArray_Private(PetscOptionsObject,a,b,c,d,e,f)
275: #define PetscOptionsIntArray(a,b,c,d,e,f) PetscOptionsIntArray_Private(PetscOptionsObject,a,b,c,d,e,f)
276: #define PetscOptionsStringArray(a,b,c,d,e,f) PetscOptionsStringArray_Private(PetscOptionsObject,a,b,c,d,e,f)
277: #define PetscOptionsBoolArray(a,b,c,d,e,f) PetscOptionsBoolArray_Private(PetscOptionsObject,a,b,c,d,e,f)
278: #define PetscOptionsEnumArray(a,b,c,d,e,f,g) PetscOptionsEnumArray_Private(PetscOptionsObject,a,b,c,d,e,f,g)
279: #define PetscOptionsDeprecated(a,b,c,d) PetscOptionsDeprecated_Private(PetscOptionsObject,a,b,c,d)


282: PETSC_EXTERN PetscErrorCode PetscOptionsEnum_Private(PetscOptionItems*,const char[],const char[],const char[],const char *const*,PetscEnum,PetscEnum*,PetscBool*);
283: PETSC_EXTERN PetscErrorCode PetscOptionsInt_Private(PetscOptionItems*,const char[],const char[],const char[],PetscInt,PetscInt*,PetscBool*);
284: PETSC_EXTERN PetscErrorCode PetscOptionsReal_Private(PetscOptionItems*,const char[],const char[],const char[],PetscReal,PetscReal*,PetscBool*);
285: PETSC_EXTERN PetscErrorCode PetscOptionsScalar_Private(PetscOptionItems*,const char[],const char[],const char[],PetscScalar,PetscScalar*,PetscBool*);
286: PETSC_EXTERN PetscErrorCode PetscOptionsName_Private(PetscOptionItems*,const char[],const char[],const char[],PetscBool*);
287: PETSC_EXTERN PetscErrorCode PetscOptionsString_Private(PetscOptionItems*,const char[],const char[],const char[],const char[],char*,size_t,PetscBool*);
288: PETSC_EXTERN PetscErrorCode PetscOptionsBool_Private(PetscOptionItems*,const char[],const char[],const char[],PetscBool ,PetscBool*,PetscBool*);
289: PETSC_EXTERN PetscErrorCode PetscOptionsBoolGroupBegin_Private(PetscOptionItems*,const char[],const char[],const char[],PetscBool*);
290: PETSC_EXTERN PetscErrorCode PetscOptionsBoolGroup_Private(PetscOptionItems*,const char[],const char[],const char[],PetscBool*);
291: PETSC_EXTERN PetscErrorCode PetscOptionsBoolGroupEnd_Private(PetscOptionItems*,const char[],const char[],const char[],PetscBool*);
292: PETSC_EXTERN PetscErrorCode PetscOptionsFList_Private(PetscOptionItems*,const char[],const char[],const char[],PetscFunctionList,const char[],char[],size_t,PetscBool*);
293: PETSC_EXTERN PetscErrorCode PetscOptionsEList_Private(PetscOptionItems*,const char[],const char[],const char[],const char*const*,PetscInt,const char[],PetscInt*,PetscBool*);
294: PETSC_EXTERN PetscErrorCode PetscOptionsRealArray_Private(PetscOptionItems*,const char[],const char[],const char[],PetscReal[],PetscInt*,PetscBool*);
295: PETSC_EXTERN PetscErrorCode PetscOptionsScalarArray_Private(PetscOptionItems*,const char[],const char[],const char[],PetscScalar[],PetscInt*,PetscBool*);
296: PETSC_EXTERN PetscErrorCode PetscOptionsIntArray_Private(PetscOptionItems*,const char[],const char[],const char[],PetscInt[],PetscInt*,PetscBool*);
297: PETSC_EXTERN PetscErrorCode PetscOptionsStringArray_Private(PetscOptionItems*,const char[],const char[],const char[],char*[],PetscInt*,PetscBool*);
298: PETSC_EXTERN PetscErrorCode PetscOptionsBoolArray_Private(PetscOptionItems*,const char[],const char[],const char[],PetscBool [],PetscInt*,PetscBool*);
299: PETSC_EXTERN PetscErrorCode PetscOptionsEnumArray_Private(PetscOptionItems*,const char[],const char[],const char[],const char *const*,PetscEnum[],PetscInt*,PetscBool*);
300: PETSC_EXTERN PetscErrorCode PetscOptionsDeprecated_Private(PetscOptionItems*,const char[],const char[],const char[],const char[]);


303: PETSC_EXTERN PetscErrorCode PetscOptionsSetFromOptions(PetscOptions);
304: PETSC_EXTERN PetscErrorCode PetscOptionsSAWsDestroy(void);

306: PETSC_EXTERN PetscErrorCode PetscObjectAddOptionsHandler(PetscObject,PetscErrorCode (*)(PetscOptionItems*,PetscObject,void*),PetscErrorCode (*)(PetscObject,void*),void*);
307: PETSC_EXTERN PetscErrorCode PetscObjectProcessOptionsHandlers(PetscOptionItems*,PetscObject);
308: PETSC_EXTERN PetscErrorCode PetscObjectDestroyOptionsHandlers(PetscObject);

310: #endif