Actual source code: destroy.c

petsc-3.5.1 2014-08-06
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  2: /*
  3:      Provides utility routines for manulating any type of PETSc object.
  4: */
  5: #include <petsc-private/petscimpl.h>  /*I   "petscsys.h"    I*/
  6: #include <petscviewer.h>

 10: PetscErrorCode PetscComposedQuantitiesDestroy(PetscObject obj)
 11: {
 13:   PetscInt       i;

 16:   if (obj->intstar_idmax>0) {
 17:     for (i=0; i<obj->intstar_idmax; i++) {
 18:       PetscFree(obj->intstarcomposeddata[i]);
 19:     }
 20:     PetscFree(obj->intstarcomposeddata);
 21:     PetscFree(obj->intstarcomposedstate);
 22:   }
 23:   if (obj->realstar_idmax>0) {
 24:     for (i=0; i<obj->realstar_idmax; i++) {
 25:       PetscFree(obj->realstarcomposeddata[i]);
 26:     }
 27:     PetscFree(obj->realstarcomposeddata);
 28:     PetscFree(obj->realstarcomposedstate);
 29:   }
 30:   if (obj->scalarstar_idmax>0) {
 31:     for (i=0; i<obj->scalarstar_idmax; i++) {
 32:       PetscFree(obj->scalarstarcomposeddata[i]);
 33:     }
 34:     PetscFree(obj->scalarstarcomposeddata);
 35:     PetscFree(obj->scalarstarcomposedstate);
 36:   }
 37:   PetscFree(obj->intcomposeddata);
 38:   PetscFree(obj->intcomposedstate);
 39:   PetscFree(obj->realcomposeddata);
 40:   PetscFree(obj->realcomposedstate);
 41:   PetscFree(obj->scalarcomposeddata);
 42:   PetscFree(obj->scalarcomposedstate);
 43:   return(0);
 44: }

 48: /*@
 49:    PetscObjectDestroy - Destroys any PetscObject, regardless of the type.

 51:    Collective on PetscObject

 53:    Input Parameter:
 54: .  obj - any PETSc object, for example a Vec, Mat or KSP.
 55:          This must be cast with a (PetscObject*), for example,
 56:          PetscObjectDestroy((PetscObject*)&mat);

 58:    Level: beginner

 60:     Concepts: destroying object
 61:     Concepts: freeing object
 62:     Concepts: deleting object

 64: @*/
 65: PetscErrorCode  PetscObjectDestroy(PetscObject *obj)
 66: {

 70:   if (!*obj) return(0);
 72:   if (*obj && (*obj)->bops->destroy) {
 73:     (*(*obj)->bops->destroy)(obj);
 74:   } else if (*obj) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_PLIB,"This PETSc object of class %s does not have a generic destroy routine",(*obj)->class_name);
 75:   return(0);
 76: }

 80: /*@C
 81:    PetscObjectView - Views any PetscObject, regardless of the type.

 83:    Collective on PetscObject

 85:    Input Parameters:
 86: +  obj - any PETSc object, for example a Vec, Mat or KSP.
 87:          This must be cast with a (PetscObject), for example,
 88:          PetscObjectView((PetscObject)mat,viewer);
 89: -  viewer - any PETSc viewer

 91:    Level: intermediate

 93: @*/
 94: PetscErrorCode  PetscObjectView(PetscObject obj,PetscViewer viewer)
 95: {

100:   if (!viewer) {
101:     PetscViewerASCIIGetStdout(obj->comm,&viewer);
102:   }

105:   if (obj->bops->view) {
106:     (*obj->bops->view)(obj,viewer);
107:   } else SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"This PETSc object does not have a generic viewer routine");
108:   return(0);
109: }

113: /*@C
114:    PetscObjectTypeCompare - Determines whether a PETSc object is of a particular type.

116:    Not Collective

118:    Input Parameters:
119: +  obj - any PETSc object, for example a Vec, Mat or KSP.
120:          This must be cast with a (PetscObject), for example,
121:          PetscObjectTypeCompare((PetscObject)mat);
122: -  type_name - string containing a type name

124:    Output Parameter:
125: .  same - PETSC_TRUE if they are the same, else PETSC_FALSE

127:    Level: intermediate

129: .seealso: VecGetType(), KSPGetType(), PCGetType(), SNESGetType()

131:    Concepts: comparing^object types
132:    Concepts: types^comparing
133:    Concepts: object type^comparpeing

135: @*/
136: PetscErrorCode  PetscObjectTypeCompare(PetscObject obj,const char type_name[],PetscBool  *same)
137: {

141:   if (!obj) *same = PETSC_FALSE;
142:   else if (!type_name && !obj->type_name) *same = PETSC_TRUE;
143:   else if (!type_name || !obj->type_name) *same = PETSC_FALSE;
144:   else {
148:     PetscStrcmp((char*)(obj->type_name),type_name,same);
149:   }
150:   return(0);
151: }

155: /*@C
156:    PetscObjectTypeCompareAny - Determines whether a PETSc object is of any of a list of types.

158:    Not Collective

160:    Input Parameters:
161: +  obj - any PETSc object, for example a Vec, Mat or KSP.
162:          This must be cast with a (PetscObject), for example, PetscObjectTypeCompareAny((PetscObject)mat,...);
163: -  type_name - string containing a type name, pass the empty string "" to terminate the list

165:    Output Parameter:
166: .  match - PETSC_TRUE if the type of obj matches any in the list, else PETSC_FALSE

168:    Level: intermediate

170: .seealso: VecGetType(), KSPGetType(), PCGetType(), SNESGetType(), PetscObjectTypeCompare()

172:    Concepts: comparing^object types
173:    Concepts: types^comparing
174:    Concepts: object type^comparing

176: @*/
177: PetscErrorCode PetscObjectTypeCompareAny(PetscObject obj,PetscBool *match,const char type_name[],...)
178: {
180:   va_list        Argp;

183:   *match = PETSC_FALSE;
184:   va_start(Argp,type_name);
185:   while (type_name && type_name[0]) {
186:     PetscBool found;
187:     PetscObjectTypeCompare(obj,type_name,&found);
188:     if (found) {
189:       *match = PETSC_TRUE;
190:       break;
191:     }
192:     type_name = va_arg(Argp,const char*);
193:   }
194:   va_end(Argp);
195:   return(0);
196: }

198: #define MAXREGDESOBJS 256
199: static int         PetscObjectRegisterDestroy_Count = 0;
200: static PetscObject PetscObjectRegisterDestroy_Objects[MAXREGDESOBJS];

204: /*@C
205:    PetscObjectRegisterDestroy - Registers a PETSc object to be destroyed when
206:      PetscFinalize() is called.

208:    Logically Collective on PetscObject

210:    Input Parameter:
211: .  obj - any PETSc object, for example a Vec, Mat or KSP.
212:          This must be cast with a (PetscObject), for example,
213:          PetscObjectRegisterDestroy((PetscObject)mat);

215:    Level: developer

217:    Notes:
218:       This is used by, for example, PETSC_VIEWER_XXX_() routines to free the viewer
219:     when PETSc ends.

221: .seealso: PetscObjectRegisterDestroyAll()
222: @*/
223: PetscErrorCode  PetscObjectRegisterDestroy(PetscObject obj)
224: {
227:   if (PetscObjectRegisterDestroy_Count < MAXREGDESOBJS) PetscObjectRegisterDestroy_Objects[PetscObjectRegisterDestroy_Count++] = obj;
228:   else SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_PLIB,"No more room in array, limit %d \n recompile src/sys/objects/destroy.c with larger value for MAXREGDESOBJS\n",MAXREGDESOBJS);
229:   return(0);
230: }

234: /*@C
235:    PetscObjectRegisterDestroyAll - Frees all the PETSc objects that have been registered
236:      with PetscObjectRegisterDestroy(). Called by PetscFinalize()

238:    Logically Collective on individual PetscObjects

240:    Level: developer

242: .seealso: PetscObjectRegisterDestroy()
243: @*/
244: PetscErrorCode  PetscObjectRegisterDestroyAll(void)
245: {
247:   PetscInt       i;

250:   for (i=0; i<PetscObjectRegisterDestroy_Count; i++) {
251:     PetscObjectDestroy(&PetscObjectRegisterDestroy_Objects[i]);
252:   }
253:   PetscObjectRegisterDestroy_Count = 0;
254:   return(0);
255: }


258: #define MAXREGFIN 256
259: static int PetscRegisterFinalize_Count = 0;
260: static PetscErrorCode ((*PetscRegisterFinalize_Functions[MAXREGFIN])(void));

264: /*@C
265:    PetscRegisterFinalize - Registers a function that is to be called in PetscFinalize()

267:    Not Collective

269:    Input Parameter:
270: .  PetscErrorCode (*fun)(void) -

272:    Level: developer

274:    Notes:
275:       This is used by, for example, DMInitializePackage() to have DMFinalizePackage() called

277: .seealso: PetscRegisterFinalizeAll()
278: @*/
279: PetscErrorCode  PetscRegisterFinalize(PetscErrorCode (*f)(void))
280: {
281:   PetscInt i;

284:   for (i=0; i<PetscRegisterFinalize_Count; i++) {
285:     if (f == PetscRegisterFinalize_Functions[i]) return(0);
286:   }
287:   if (PetscRegisterFinalize_Count < MAXREGFIN) PetscRegisterFinalize_Functions[PetscRegisterFinalize_Count++] = f;
288:   else SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_PLIB,"No more room in array, limit %d \n recompile src/sys/objects/destroy.c with larger value for MAXREGFIN\n",MAXREGFIN);
289:   return(0);
290: }

294: /*@C
295:    PetscRegisterFinalizeAll - Runs all the finalize functions set with PetscRegisterFinalize()

297:    Not Collective unless registered functions are collective

299:    Level: developer

301: .seealso: PetscRegisterFinalize()
302: @*/
303: PetscErrorCode  PetscRegisterFinalizeAll(void)
304: {
306:   PetscInt       i;

309:   for (i=0; i<PetscRegisterFinalize_Count; i++) {
310:     (*PetscRegisterFinalize_Functions[i])();
311:   }
312:   PetscRegisterFinalize_Count = 0;
313:   return(0);
314: }