xref: /petsc/include/petscoptions.h (revision 8cbdbec6f8317ddf7886f91eb9c6bd083b543c50)
1 /*
2    Routines to determine options set in the options database.
3 */
4 #if !defined(__PETSCOPTIONS_H)
5 #define __PETSCOPTIONS_H
6 #include <petscsys.h>
7 
8 PETSC_EXTERN PetscErrorCode PetscOptionsHasName(const char[],const char[],PetscBool *);
9 PETSC_EXTERN PetscErrorCode PetscOptionsGetInt(const char[],const char [],PetscInt *,PetscBool *);
10 PETSC_EXTERN PetscErrorCode PetscOptionsGetBool(const char[],const char [],PetscBool  *,PetscBool *);
11 PETSC_EXTERN PetscErrorCode PetscOptionsGetReal(const char[],const char[],PetscReal *,PetscBool *);
12 PETSC_EXTERN PetscErrorCode PetscOptionsGetScalar(const char[],const char[],PetscScalar *,PetscBool *);
13 PETSC_EXTERN PetscErrorCode PetscOptionsGetIntArray(const char[],const char[],PetscInt[],PetscInt *,PetscBool *);
14 PETSC_EXTERN PetscErrorCode PetscOptionsGetRealArray(const char[],const char[],PetscReal[],PetscInt *,PetscBool *);
15 PETSC_EXTERN PetscErrorCode PetscOptionsGetBoolArray(const char[],const char[],PetscBool [],PetscInt *,PetscBool *);
16 PETSC_EXTERN PetscErrorCode PetscOptionsGetString(const char[],const char[],char[],size_t,PetscBool *);
17 PETSC_EXTERN PetscErrorCode PetscOptionsGetStringArray(const char[],const char[],char*[],PetscInt*,PetscBool *);
18 PETSC_EXTERN PetscErrorCode PetscOptionsGetEList(const char[],const char[],const char*const*,PetscInt,PetscInt*,PetscBool *);
19 PETSC_EXTERN PetscErrorCode PetscOptionsGetEnum(const char[],const char[],const char*const*,PetscEnum*,PetscBool *);
20 PETSC_EXTERN PetscErrorCode PetscOptionsValidKey(const char[],PetscBool *);
21 
22 PETSC_EXTERN PetscErrorCode PetscOptionsSetAlias(const char[],const char[]);
23 PETSC_EXTERN PetscErrorCode PetscOptionsSetValue(const char[],const char[]);
24 PETSC_EXTERN PetscErrorCode PetscOptionsClearValue(const char[]);
25 
26 PETSC_EXTERN PetscErrorCode PetscOptionsAllUsed(PetscInt*);
27 PETSC_EXTERN PetscErrorCode PetscOptionsUsed(const char *,PetscBool*);
28 PETSC_EXTERN PetscErrorCode PetscOptionsLeft(void);
29 PETSC_EXTERN PetscErrorCode PetscOptionsView(PetscViewer);
30 
31 PETSC_EXTERN PetscErrorCode PetscOptionsCreate(void);
32 PETSC_EXTERN PetscErrorCode PetscOptionsInsert(int*,char ***,const char[]);
33 PETSC_EXTERN PetscErrorCode PetscOptionsInsertFile(MPI_Comm,const char[],PetscBool );
34 #if defined(PETSC_HAVE_YAML)
35 PETSC_EXTERN PetscErrorCode PetscOptionsInsertFile_YAML(MPI_Comm,const char[],PetscBool);
36 #endif
37 PETSC_EXTERN PetscErrorCode PetscOptionsInsertString(const char[]);
38 PETSC_EXTERN PetscErrorCode PetscOptionsDestroy(void);
39 PETSC_EXTERN PetscErrorCode PetscOptionsClear(void);
40 PETSC_EXTERN PetscErrorCode PetscOptionsPrefixPush(const char[]);
41 PETSC_EXTERN PetscErrorCode PetscOptionsPrefixPop(void);
42 
43 PETSC_EXTERN PetscErrorCode PetscOptionsReject(const char[],const char[]);
44 PETSC_EXTERN PetscErrorCode PetscOptionsGetAll(char*[]);
45 
46 PETSC_EXTERN PetscErrorCode PetscOptionsGetenv(MPI_Comm,const char[],char[],size_t,PetscBool  *);
47 PETSC_EXTERN PetscErrorCode PetscOptionsStringToInt(const char[],PetscInt*);
48 PETSC_EXTERN PetscErrorCode PetscOptionsStringToReal(const char[],PetscReal*);
49 PETSC_EXTERN PetscErrorCode PetscOptionsStringToBool(const char[],PetscBool*);
50 
51 PETSC_EXTERN PetscErrorCode PetscOptionsMonitorSet(PetscErrorCode (*)(const char[], const char[], void*), void *, PetscErrorCode (*)(void**));
52 PETSC_EXTERN PetscErrorCode PetscOptionsMonitorCancel(void);
53 PETSC_EXTERN PetscErrorCode PetscOptionsMonitorDefault(const char[], const char[], void *);
54 
55 PETSC_EXTERN PetscBool PetscOptionsPublish;
56 PETSC_EXTERN PetscInt PetscOptionsPublishCount;
57 
58 /*MC
59     PetscOptionsBegin - Begins a set of queries on the options database that are related and should be
60      displayed on the same window of a GUI that allows the user to set the options interactively.
61 
62    Synopsis: PetscErrorCode PetscOptionsBegin(MPI_Comm comm,const char prefix[],const char title[],const char mansec[])
63 
64     Collective on MPI_Comm
65 
66   Input Parameters:
67 +   comm - communicator that shares GUI
68 .   prefix - options prefix for all options displayed on window
69 .   title - short descriptive text, for example "Krylov Solver Options"
70 -   mansec - section of manual pages for options, for example KSP
71 
72   Level: intermediate
73 
74   Notes: Needs to be ended by a call the PetscOptionsEnd()
75          Can add subheadings with PetscOptionsHead()
76 
77   Developer notes: PetscOptionsPublish is set in PetscOptionsCheckInitial_Private() with -options_gui. When PetscOptionsPublish is set the
78 $             loop between PetscOptionsBegin() and PetscOptionsEnd() is run THREE times with PetscOptionsPublishCount of values -1,0,1 otherwise
79 $             the loop is run ONCE with a PetscOptionsPublishCount of 1.
80 $             = -1 : The PetscOptionsInt() etc just call the PetscOptionsGetInt() etc
81 $             = 0  : The GUI objects are created in PetscOptionsInt() etc and displayed in PetscOptionsEnd() and the options
82 $                    database updated updated with user changes; PetscOptionsGetInt() etc are also called
83 $             = 1 : The PetscOptionsInt() etc again call the PetscOptionsGetInt() etc (possibly getting new values), in addition the help message and
84 $                   default values are printed if -help was given.
85 $           When PetscOptionsObject.changedmethod is set this causes PetscOptionsPublishCount to be reset to -2 (so in the next loop iteration it is -1)
86 $           and the whole process is repeated. This is to handle when, for example, the KSPType is changed thus changing the list of
87 $           options available so they need to be redisplayed so the user can change the. Chaning PetscOptionsObjects.changedmethod is never
88 $           currently set.
89 
90 
91 .seealso: PetscOptionsGetReal(), PetscOptionsHasName(), PetscOptionsGetString(), PetscOptionsGetInt(),
92           PetscOptionsGetIntArray(), PetscOptionsGetRealArray(), PetscOptionsBool()
93           PetscOptionsInt(), PetscOptionsString(), PetscOptionsReal(), PetscOptionsBool(),
94           PetscOptionsName(), PetscOptionsBegin(), PetscOptionsEnd(), PetscOptionsHead(),
95           PetscOptionsStringArray(),PetscOptionsRealArray(), PetscOptionsScalar(),
96           PetscOptionsBoolGroupBegin(), PetscOptionsBoolGroup(), PetscOptionsBoolGroupEnd(),
97           PetscOptionsList(), PetscOptionsEList(), PetscObjectOptionsBegin()
98 
99 M*/
100 #define    PetscOptionsBegin(comm,prefix,mess,sec) 0; do {\
101              for (PetscOptionsPublishCount=(PetscOptionsPublish?-1:1); PetscOptionsPublishCount<2; PetscOptionsPublishCount++) {\
102              PetscErrorCode _5_ierr = PetscOptionsBegin_Private(comm,prefix,mess,sec);CHKERRQ(_5_ierr);
103 
104 /*MC
105     PetscObjectOptionsBegin - Begins a set of queries on the options database that are related and should be
106      displayed on the same window of a GUI that allows the user to set the options interactively.
107 
108    Synopsis: PetscErrorCode PetscObjectOptionsBegin(PetscObject obj)
109 
110     Collective on PetscObject
111 
112   Input Parameters:
113 .   obj - object to set options for
114 
115   Level: intermediate
116 
117   Notes: Needs to be ended by a call the PetscOptionsEnd()
118          Can add subheadings with PetscOptionsHead()
119 
120 .seealso: PetscOptionsGetReal(), PetscOptionsHasName(), PetscOptionsGetString(), PetscOptionsGetInt(),
121           PetscOptionsGetIntArray(), PetscOptionsGetRealArray(), PetscOptionsBool()
122           PetscOptionsInt(), PetscOptionsString(), PetscOptionsReal(), PetscOptionsBool(),
123           PetscOptionsName(), PetscOptionsBegin(), PetscOptionsEnd(), PetscOptionsHead(),
124           PetscOptionsStringArray(),PetscOptionsRealArray(), PetscOptionsScalar(),
125           PetscOptionsBoolGroupBegin(), PetscOptionsBoolGroup(), PetscOptionsBoolGroupEnd(),
126           PetscOptionsList(), PetscOptionsEList()
127 
128 M*/
129 #define PetscObjectOptionsBegin(obj) 0; do {                            \
130   for (PetscOptionsPublishCount=(PetscOptionsPublish?-1:1); PetscOptionsPublishCount<2; PetscOptionsPublishCount++) { \
131   PetscErrorCode _5_ierr = PetscObjectOptionsBegin_Private(obj);CHKERRQ(_5_ierr);
132 
133 /*MC
134     PetscOptionsEnd - Ends a set of queries on the options database that are related and should be
135      displayed on the same window of a GUI that allows the user to set the options interactively.
136 
137     Collective on the MPI_Comm used in PetscOptionsBegin()
138 
139    Synopsis: PetscErrorCode PetscOptionsEnd(void)
140 
141   Level: intermediate
142 
143   Notes: Needs to be preceded by a call to PetscOptionsBegin()
144 
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           PetscOptionsList(), PetscOptionsEList(), PetscObjectOptionsBegin()
152 
153 M*/
154 #define    PetscOptionsEnd() _5_ierr = PetscOptionsEnd_Private();CHKERRQ(_5_ierr);}} while (0)
155 
156 PETSC_EXTERN PetscErrorCode PetscOptionsBegin_Private(MPI_Comm,const char[],const char[],const char[]);
157 PETSC_EXTERN PetscErrorCode PetscObjectOptionsBegin_Private(PetscObject);
158 PETSC_EXTERN PetscErrorCode PetscOptionsEnd_Private(void);
159 PETSC_EXTERN PetscErrorCode PetscOptionsHead(const char[]);
160 
161 /*MC
162      PetscOptionsTail - Ends a section of options begun with PetscOptionsHead()
163             See, for example, KSPSetFromOptions_GMRES().
164 
165    Collective on the communicator passed in PetscOptionsBegin()
166 
167    Synopsis: PetscErrorCode PetscOptionsTail(void)
168 
169   Level: intermediate
170 
171    Notes: Must be between a PetscOptionsBegin() and a PetscOptionsEnd()
172 
173           Must be preceded by a call to PetscOptionsHead() in the same function.
174 
175           This needs to be used only if the code below PetscOptionsTail() can be run ONLY once.
176       See, for example, PCSetFromOptions_Composite(). This is a return(0) in it for early exit
177       from the function.
178 
179           This is only for use with the PETSc options GUI; which does not currently exist.
180 
181    Concepts: options database^subheading
182 
183 .seealso: PetscOptionsGetInt(), PetscOptionsGetReal(),
184            PetscOptionsHasName(), PetscOptionsGetIntArray(), PetscOptionsGetRealArray(), PetscOptionsBool(),
185           PetscOptionsName(), PetscOptionsBegin(), PetscOptionsEnd(), PetscOptionsHead(),
186           PetscOptionsStringArray(),PetscOptionsRealArray(), PetscOptionsScalar(),
187           PetscOptionsBoolGroupBegin(), PetscOptionsBoolGroup(), PetscOptionsBoolGroupEnd(),
188           PetscOptionsList(), PetscOptionsEList(), PetscOptionsEnum()
189 M*/
190 #define    PetscOptionsTail() 0; {if (PetscOptionsPublishCount != 1) PetscFunctionReturn(0);}
191 
192 PETSC_EXTERN PetscErrorCode PetscOptionsEnum(const char[],const char[],const char[],const char *const*,PetscEnum,PetscEnum*,PetscBool *);
193 PETSC_EXTERN PetscErrorCode PetscOptionsInt(const char[],const char[],const char[],PetscInt,PetscInt*,PetscBool *);
194 PETSC_EXTERN PetscErrorCode PetscOptionsReal(const char[],const char[],const char[],PetscReal,PetscReal*,PetscBool *);
195 PETSC_EXTERN PetscErrorCode PetscOptionsScalar(const char[],const char[],const char[],PetscScalar,PetscScalar*,PetscBool *);
196 PETSC_EXTERN PetscErrorCode PetscOptionsName(const char[],const char[],const char[],PetscBool *);
197 PETSC_EXTERN PetscErrorCode PetscOptionsString(const char[],const char[],const char[],const char[],char*,size_t,PetscBool *);
198 PETSC_EXTERN PetscErrorCode PetscOptionsBool(const char[],const char[],const char[],PetscBool ,PetscBool *,PetscBool *);
199 PETSC_EXTERN PetscErrorCode PetscOptionsBoolGroupBegin(const char[],const char[],const char[],PetscBool *);
200 PETSC_EXTERN PetscErrorCode PetscOptionsBoolGroup(const char[],const char[],const char[],PetscBool *);
201 PETSC_EXTERN PetscErrorCode PetscOptionsBoolGroupEnd(const char[],const char[],const char[],PetscBool *);
202 PETSC_EXTERN PetscErrorCode PetscOptionsList(const char[],const char[],const char[],PetscFList,const char[],char[],size_t,PetscBool *);
203 PETSC_EXTERN PetscErrorCode PetscOptionsEList(const char[],const char[],const char[],const char*const*,PetscInt,const char[],PetscInt*,PetscBool *);
204 PETSC_EXTERN PetscErrorCode PetscOptionsRealArray(const char[],const char[],const char[],PetscReal[],PetscInt*,PetscBool *);
205 PETSC_EXTERN PetscErrorCode PetscOptionsIntArray(const char[],const char[],const char[],PetscInt[],PetscInt*,PetscBool *);
206 PETSC_EXTERN PetscErrorCode PetscOptionsStringArray(const char[],const char[],const char[],char*[],PetscInt*,PetscBool *);
207 PETSC_EXTERN PetscErrorCode PetscOptionsBoolArray(const char[],const char[],const char[],PetscBool [],PetscInt*,PetscBool *);
208 
209 
210 PETSC_EXTERN PetscErrorCode PetscOptionsSetFromOptions(void);
211 PETSC_EXTERN PetscErrorCode PetscOptionsAMSDestroy(void);
212 
213 /*
214     See manual page for PetscOptionsBegin()
215 */
216 typedef enum {OPTION_INT,OPTION_LOGICAL,OPTION_REAL,OPTION_LIST,OPTION_STRING,OPTION_REAL_ARRAY,OPTION_HEAD,OPTION_INT_ARRAY,OPTION_ELIST,OPTION_LOGICAL_ARRAY,OPTION_STRING_ARRAY} PetscOptionType;
217 typedef struct _n_PetscOptions* PetscOptions;
218 struct _n_PetscOptions {
219   char              *option;
220   char              *text;
221   void              *data;         /* used to hold the default value and then any value it is changed to by GUI */
222   PetscFList        flist;         /* used for available values for PetscOptionsList() */
223   const char *const *list;        /* used for available values for PetscOptionsEList() */
224   char              nlist;         /* number of entries in list */
225   char              *man;
226   size_t            arraylength;   /* number of entries in data in the case that it is an array (of PetscInt etc) */
227   PetscBool         set;           /* the user has changed this value in the GUI */
228   PetscOptionType   type;
229   PetscOptions      next;
230   char              *pman;
231   void              *edata;
232 };
233 
234 typedef struct {
235   PetscOptions     next;
236   char             *prefix,*pprefix;
237   char             *title;
238   MPI_Comm         comm;
239   PetscBool        printhelp,changedmethod,alreadyprinted;
240   PetscObject      object;
241 } PetscOptionsObjectType;
242 #endif
243