xref: /petsc/include/petscoptions.h (revision f9426fe092dba0ba2fdf65dfec8d938c4b10a31c)
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 #include <petscviewertypes.h>
8 
9 PETSC_EXTERN PetscErrorCode PetscOptionsHasName(const char[],const char[],PetscBool *);
10 PETSC_EXTERN PetscErrorCode PetscOptionsGetInt(const char[],const char [],PetscInt *,PetscBool *);
11 PETSC_EXTERN PetscErrorCode PetscOptionsGetBool(const char[],const char [],PetscBool  *,PetscBool *);
12 PETSC_EXTERN PetscErrorCode PetscOptionsGetReal(const char[],const char[],PetscReal *,PetscBool *);
13 PETSC_EXTERN PetscErrorCode PetscOptionsGetScalar(const char[],const char[],PetscScalar *,PetscBool *);
14 PETSC_EXTERN PetscErrorCode PetscOptionsGetIntArray(const char[],const char[],PetscInt[],PetscInt *,PetscBool *);
15 PETSC_EXTERN PetscErrorCode PetscOptionsGetRealArray(const char[],const char[],PetscReal[],PetscInt *,PetscBool *);
16 PETSC_EXTERN PetscErrorCode PetscOptionsGetBoolArray(const char[],const char[],PetscBool [],PetscInt *,PetscBool *);
17 PETSC_EXTERN PetscErrorCode PetscOptionsGetString(const char[],const char[],char[],size_t,PetscBool *);
18 PETSC_EXTERN PetscErrorCode PetscOptionsGetStringArray(const char[],const char[],char*[],PetscInt*,PetscBool *);
19 PETSC_EXTERN PetscErrorCode PetscOptionsGetEList(const char[],const char[],const char*const*,PetscInt,PetscInt*,PetscBool *);
20 PETSC_EXTERN PetscErrorCode PetscOptionsGetEnum(const char[],const char[],const char*const*,PetscEnum*,PetscBool *);
21 PETSC_EXTERN PetscErrorCode PetscOptionsValidKey(const char[],PetscBool *);
22 
23 PETSC_EXTERN PetscErrorCode PetscOptionsSetAlias(const char[],const char[]);
24 PETSC_EXTERN PetscErrorCode PetscOptionsSetValue(const char[],const char[]);
25 PETSC_EXTERN PetscErrorCode PetscOptionsClearValue(const char[]);
26 
27 PETSC_EXTERN PetscErrorCode PetscOptionsAllUsed(PetscInt*);
28 PETSC_EXTERN PetscErrorCode PetscOptionsUsed(const char *,PetscBool*);
29 PETSC_EXTERN PetscErrorCode PetscOptionsLeft(void);
30 PETSC_EXTERN PetscErrorCode PetscOptionsView(PetscViewer);
31 
32 PETSC_EXTERN PetscErrorCode PetscOptionsCreate(void);
33 PETSC_EXTERN PetscErrorCode PetscOptionsInsert(int*,char ***,const char[]);
34 PETSC_EXTERN PetscErrorCode PetscOptionsInsertFile(MPI_Comm,const char[],PetscBool );
35 #if defined(PETSC_HAVE_YAML)
36 PETSC_EXTERN PetscErrorCode PetscOptionsInsertFileYAML(MPI_Comm,const char[],PetscBool);
37 #endif
38 PETSC_EXTERN PetscErrorCode PetscOptionsInsertString(const char[]);
39 PETSC_EXTERN PetscErrorCode PetscOptionsDestroy(void);
40 PETSC_EXTERN PetscErrorCode PetscOptionsClear(void);
41 PETSC_EXTERN PetscErrorCode PetscOptionsPrefixPush(const char[]);
42 PETSC_EXTERN PetscErrorCode PetscOptionsPrefixPop(void);
43 
44 PETSC_EXTERN PetscErrorCode PetscOptionsReject(const char[],const char[]);
45 PETSC_EXTERN PetscErrorCode PetscOptionsGetAll(char*[]);
46 
47 PETSC_EXTERN PetscErrorCode PetscOptionsGetenv(MPI_Comm,const char[],char[],size_t,PetscBool  *);
48 PETSC_EXTERN PetscErrorCode PetscOptionsStringToInt(const char[],PetscInt*);
49 PETSC_EXTERN PetscErrorCode PetscOptionsStringToReal(const char[],PetscReal*);
50 PETSC_EXTERN PetscErrorCode PetscOptionsStringToBool(const char[],PetscBool*);
51 
52 PETSC_EXTERN PetscErrorCode PetscOptionsMonitorSet(PetscErrorCode (*)(const char[], const char[], void*), void *, PetscErrorCode (*)(void**));
53 PETSC_EXTERN PetscErrorCode PetscOptionsMonitorCancel(void);
54 PETSC_EXTERN PetscErrorCode PetscOptionsMonitorDefault(const char[], const char[], void *);
55 
56 PETSC_EXTERN PetscBool PetscOptionsPublish;
57 PETSC_EXTERN PetscInt PetscOptionsPublishCount;
58 
59 /*MC
60     PetscOptionsBegin - Begins a set of queries on the options database that are related and should be
61      displayed on the same window of a GUI that allows the user to set the options interactively.
62 
63    Synopsis:
64     #include "petscoptions.h"
65     PetscErrorCode PetscOptionsBegin(MPI_Comm comm,const char prefix[],const char title[],const char mansec[])
66 
67     Collective on MPI_Comm
68 
69   Input Parameters:
70 +   comm - communicator that shares GUI
71 .   prefix - options prefix for all options displayed on window
72 .   title - short descriptive text, for example "Krylov Solver Options"
73 -   mansec - section of manual pages for options, for example KSP
74 
75   Level: intermediate
76 
77   Notes: Needs to be ended by a call the PetscOptionsEnd()
78          Can add subheadings with PetscOptionsHead()
79 
80   Developer notes: PetscOptionsPublish is set in PetscOptionsCheckInitial_Private() with -options_gui. When PetscOptionsPublish is set the
81 $             loop between PetscOptionsBegin() and PetscOptionsEnd() is run THREE times with PetscOptionsPublishCount of values -1,0,1 otherwise
82 $             the loop is run ONCE with a PetscOptionsPublishCount of 1.
83 $             = -1 : The PetscOptionsInt() etc just call the PetscOptionsGetInt() etc
84 $             = 0  : The GUI objects are created in PetscOptionsInt() etc and displayed in PetscOptionsEnd() and the options
85 $                    database updated updated with user changes; PetscOptionsGetInt() etc are also called
86 $             = 1 : The PetscOptionsInt() etc again call the PetscOptionsGetInt() etc (possibly getting new values), in addition the help message and
87 $                   default values are printed if -help was given.
88 $           When PetscOptionsObject.changedmethod is set this causes PetscOptionsPublishCount to be reset to -2 (so in the next loop iteration it is -1)
89 $           and the whole process is repeated. This is to handle when, for example, the KSPType is changed thus changing the list of
90 $           options available so they need to be redisplayed so the user can change the. Chaning PetscOptionsObjects.changedmethod is never
91 $           currently set.
92 
93 
94 .seealso: PetscOptionsGetReal(), PetscOptionsHasName(), PetscOptionsGetString(), PetscOptionsGetInt(),
95           PetscOptionsGetIntArray(), PetscOptionsGetRealArray(), PetscOptionsBool()
96           PetscOptionsInt(), PetscOptionsString(), PetscOptionsReal(), PetscOptionsBool(),
97           PetscOptionsName(), PetscOptionsBegin(), PetscOptionsEnd(), PetscOptionsHead(),
98           PetscOptionsStringArray(),PetscOptionsRealArray(), PetscOptionsScalar(),
99           PetscOptionsBoolGroupBegin(), PetscOptionsBoolGroup(), PetscOptionsBoolGroupEnd(),
100           PetscOptionsList(), PetscOptionsEList(), PetscObjectOptionsBegin()
101 
102 M*/
103 #define    PetscOptionsBegin(comm,prefix,mess,sec) 0; do {\
104              for (PetscOptionsPublishCount=(PetscOptionsPublish?-1:1); PetscOptionsPublishCount<2; PetscOptionsPublishCount++) {\
105              PetscErrorCode _5_ierr = PetscOptionsBegin_Private(comm,prefix,mess,sec);CHKERRQ(_5_ierr);
106 
107 /*MC
108     PetscObjectOptionsBegin - 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.
110 
111    Synopsis:
112     #include "petscoptions.h"
113     PetscErrorCode PetscObjectOptionsBegin(PetscObject obj)
114 
115     Collective on PetscObject
116 
117   Input Parameters:
118 .   obj - object to set options for
119 
120   Level: intermediate
121 
122   Notes: Needs to be ended by a call the PetscOptionsEnd()
123          Can add subheadings with PetscOptionsHead()
124 
125 .seealso: PetscOptionsGetReal(), PetscOptionsHasName(), PetscOptionsGetString(), PetscOptionsGetInt(),
126           PetscOptionsGetIntArray(), PetscOptionsGetRealArray(), PetscOptionsBool()
127           PetscOptionsInt(), PetscOptionsString(), PetscOptionsReal(), PetscOptionsBool(),
128           PetscOptionsName(), PetscOptionsBegin(), PetscOptionsEnd(), PetscOptionsHead(),
129           PetscOptionsStringArray(),PetscOptionsRealArray(), PetscOptionsScalar(),
130           PetscOptionsBoolGroupBegin(), PetscOptionsBoolGroup(), PetscOptionsBoolGroupEnd(),
131           PetscOptionsList(), PetscOptionsEList()
132 
133 M*/
134 #define PetscObjectOptionsBegin(obj) 0; do {                            \
135   for (PetscOptionsPublishCount=(PetscOptionsPublish?-1:1); PetscOptionsPublishCount<2; PetscOptionsPublishCount++) { \
136   PetscErrorCode _5_ierr = PetscObjectOptionsBegin_Private(obj);CHKERRQ(_5_ierr);
137 
138 /*MC
139     PetscOptionsEnd - Ends a set of queries on the options database that are related and should be
140      displayed on the same window of a GUI that allows the user to set the options interactively.
141 
142     Collective on the MPI_Comm used in PetscOptionsBegin()
143 
144    Synopsis:
145      #include "petscoptions.h"
146      PetscErrorCode PetscOptionsEnd(void)
147 
148   Level: intermediate
149 
150   Notes: Needs to be preceded by a call to PetscOptionsBegin()
151 
152 .seealso: PetscOptionsGetReal(), PetscOptionsHasName(), PetscOptionsGetString(), PetscOptionsGetInt(),
153           PetscOptionsGetIntArray(), PetscOptionsGetRealArray(), PetscOptionsBool()
154           PetscOptionsInt(), PetscOptionsString(), PetscOptionsReal(), PetscOptionsBool(),
155           PetscOptionsName(), PetscOptionsBegin(), PetscOptionsEnd(), PetscOptionsHead(),
156           PetscOptionsStringArray(),PetscOptionsRealArray(), PetscOptionsScalar(),
157           PetscOptionsBoolGroupBegin(), PetscOptionsBoolGroup(), PetscOptionsBoolGroupEnd(),
158           PetscOptionsList(), PetscOptionsEList(), PetscObjectOptionsBegin()
159 
160 M*/
161 #define    PetscOptionsEnd() _5_ierr = PetscOptionsEnd_Private();CHKERRQ(_5_ierr);}} while (0)
162 
163 PETSC_EXTERN PetscErrorCode PetscOptionsBegin_Private(MPI_Comm,const char[],const char[],const char[]);
164 PETSC_EXTERN PetscErrorCode PetscObjectOptionsBegin_Private(PetscObject);
165 PETSC_EXTERN PetscErrorCode PetscOptionsEnd_Private(void);
166 PETSC_EXTERN PetscErrorCode PetscOptionsHead(const char[]);
167 
168 /*MC
169      PetscOptionsTail - Ends a section of options begun with PetscOptionsHead()
170             See, for example, KSPSetFromOptions_GMRES().
171 
172    Collective on the communicator passed in PetscOptionsBegin()
173 
174    Synopsis:
175      #include "petscoptions.h"
176      PetscErrorCode PetscOptionsTail(void)
177 
178   Level: intermediate
179 
180    Notes: Must be between a PetscOptionsBegin() and a PetscOptionsEnd()
181 
182           Must be preceded by a call to PetscOptionsHead() in the same function.
183 
184           This needs to be used only if the code below PetscOptionsTail() can be run ONLY once.
185       See, for example, PCSetFromOptions_Composite(). This is a return(0) in it for early exit
186       from the function.
187 
188           This is only for use with the PETSc options GUI; which does not currently exist.
189 
190    Concepts: options database^subheading
191 
192 .seealso: PetscOptionsGetInt(), PetscOptionsGetReal(),
193            PetscOptionsHasName(), PetscOptionsGetIntArray(), PetscOptionsGetRealArray(), PetscOptionsBool(),
194           PetscOptionsName(), PetscOptionsBegin(), PetscOptionsEnd(), PetscOptionsHead(),
195           PetscOptionsStringArray(),PetscOptionsRealArray(), PetscOptionsScalar(),
196           PetscOptionsBoolGroupBegin(), PetscOptionsBoolGroup(), PetscOptionsBoolGroupEnd(),
197           PetscOptionsList(), PetscOptionsEList(), PetscOptionsEnum()
198 M*/
199 #define    PetscOptionsTail() 0; {if (PetscOptionsPublishCount != 1) PetscFunctionReturn(0);}
200 
201 PETSC_EXTERN PetscErrorCode PetscOptionsEnum(const char[],const char[],const char[],const char *const*,PetscEnum,PetscEnum*,PetscBool *);
202 PETSC_EXTERN PetscErrorCode PetscOptionsInt(const char[],const char[],const char[],PetscInt,PetscInt*,PetscBool *);
203 PETSC_EXTERN PetscErrorCode PetscOptionsReal(const char[],const char[],const char[],PetscReal,PetscReal*,PetscBool *);
204 PETSC_EXTERN PetscErrorCode PetscOptionsScalar(const char[],const char[],const char[],PetscScalar,PetscScalar*,PetscBool *);
205 PETSC_EXTERN PetscErrorCode PetscOptionsName(const char[],const char[],const char[],PetscBool *);
206 PETSC_EXTERN PetscErrorCode PetscOptionsString(const char[],const char[],const char[],const char[],char*,size_t,PetscBool *);
207 PETSC_EXTERN PetscErrorCode PetscOptionsBool(const char[],const char[],const char[],PetscBool ,PetscBool *,PetscBool *);
208 PETSC_EXTERN PetscErrorCode PetscOptionsBoolGroupBegin(const char[],const char[],const char[],PetscBool *);
209 PETSC_EXTERN PetscErrorCode PetscOptionsBoolGroup(const char[],const char[],const char[],PetscBool *);
210 PETSC_EXTERN PetscErrorCode PetscOptionsBoolGroupEnd(const char[],const char[],const char[],PetscBool *);
211 PETSC_EXTERN PetscErrorCode PetscOptionsList(const char[],const char[],const char[],PetscFunctionList,const char[],char[],size_t,PetscBool *);
212 PETSC_EXTERN PetscErrorCode PetscOptionsEList(const char[],const char[],const char[],const char*const*,PetscInt,const char[],PetscInt*,PetscBool *);
213 PETSC_EXTERN PetscErrorCode PetscOptionsRealArray(const char[],const char[],const char[],PetscReal[],PetscInt*,PetscBool *);
214 PETSC_EXTERN PetscErrorCode PetscOptionsIntArray(const char[],const char[],const char[],PetscInt[],PetscInt*,PetscBool *);
215 PETSC_EXTERN PetscErrorCode PetscOptionsStringArray(const char[],const char[],const char[],char*[],PetscInt*,PetscBool *);
216 PETSC_EXTERN PetscErrorCode PetscOptionsBoolArray(const char[],const char[],const char[],PetscBool [],PetscInt*,PetscBool *);
217 
218 
219 PETSC_EXTERN PetscErrorCode PetscOptionsSetFromOptions(void);
220 PETSC_EXTERN PetscErrorCode PetscOptionsAMSDestroy(void);
221 
222 /*
223     See manual page for PetscOptionsBegin()
224 */
225 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;
226 typedef struct _n_PetscOptions* PetscOptions;
227 struct _n_PetscOptions {
228   char              *option;
229   char              *text;
230   void              *data;         /* used to hold the default value and then any value it is changed to by GUI */
231   PetscFunctionList flist;         /* used for available values for PetscOptionsList() */
232   const char *const *list;        /* used for available values for PetscOptionsEList() */
233   char              nlist;         /* number of entries in list */
234   char              *man;
235   size_t            arraylength;   /* number of entries in data in the case that it is an array (of PetscInt etc) */
236   PetscBool         set;           /* the user has changed this value in the GUI */
237   PetscOptionType   type;
238   PetscOptions      next;
239   char              *pman;
240   void              *edata;
241 };
242 
243 typedef struct {
244   PetscOptions     next;
245   char             *prefix,*pprefix;
246   char             *title;
247   MPI_Comm         comm;
248   PetscBool        printhelp,changedmethod,alreadyprinted;
249   PetscObject      object;
250 } PetscOptionsObjectType;
251 #endif
252