xref: /petsc/include/petscoptions.h (revision a906b49b2a5591d6d10cd79ed4ebe774a5561b3a)
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 PetscOptionsGetScalarArray(const char[],const char[],PetscScalar[],PetscInt *,PetscBool *);
17 PETSC_EXTERN PetscErrorCode PetscOptionsGetBoolArray(const char[],const char[],PetscBool [],PetscInt *,PetscBool *);
18 PETSC_EXTERN PetscErrorCode PetscOptionsGetString(const char[],const char[],char[],size_t,PetscBool *);
19 PETSC_EXTERN PetscErrorCode PetscOptionsGetStringArray(const char[],const char[],char*[],PetscInt*,PetscBool *);
20 PETSC_EXTERN PetscErrorCode PetscOptionsGetEList(const char[],const char[],const char*const*,PetscInt,PetscInt*,PetscBool *);
21 PETSC_EXTERN PetscErrorCode PetscOptionsGetEnum(const char[],const char[],const char*const*,PetscEnum*,PetscBool *);
22 PETSC_EXTERN PetscErrorCode PetscOptionsValidKey(const char[],PetscBool *);
23 
24 PETSC_EXTERN PetscErrorCode PetscOptionsSetAlias(const char[],const char[]);
25 PETSC_EXTERN PetscErrorCode PetscOptionsSetValue(const char[],const char[]);
26 PETSC_EXTERN PetscErrorCode PetscOptionsClearValue(const char[]);
27 
28 PETSC_EXTERN PetscErrorCode PetscOptionsAllUsed(PetscInt*);
29 PETSC_EXTERN PetscErrorCode PetscOptionsUsed(const char *,PetscBool*);
30 PETSC_EXTERN PetscErrorCode PetscOptionsLeft(void);
31 PETSC_EXTERN PetscErrorCode PetscOptionsView(PetscViewer);
32 
33 PETSC_EXTERN PetscErrorCode PetscOptionsCreate(void);
34 PETSC_EXTERN PetscErrorCode PetscOptionsInsert(int*,char ***,const char[]);
35 PETSC_EXTERN PetscErrorCode PetscOptionsInsertFile(MPI_Comm,const char[],PetscBool );
36 #if defined(PETSC_HAVE_YAML)
37 PETSC_EXTERN PetscErrorCode PetscOptionsInsertFileYAML(MPI_Comm,const char[],PetscBool);
38 #endif
39 PETSC_EXTERN PetscErrorCode PetscOptionsInsertString(const char[]);
40 PETSC_EXTERN PetscErrorCode PetscOptionsDestroy(void);
41 PETSC_EXTERN PetscErrorCode PetscOptionsClear(void);
42 PETSC_EXTERN PetscErrorCode PetscOptionsPrefixPush(const char[]);
43 PETSC_EXTERN PetscErrorCode PetscOptionsPrefixPop(void);
44 
45 PETSC_EXTERN PetscErrorCode PetscOptionsReject(const char[],const char[]);
46 PETSC_EXTERN PetscErrorCode PetscOptionsGetAll(char*[]);
47 
48 PETSC_EXTERN PetscErrorCode PetscOptionsGetenv(MPI_Comm,const char[],char[],size_t,PetscBool  *);
49 PETSC_EXTERN PetscErrorCode PetscOptionsStringToInt(const char[],PetscInt*);
50 PETSC_EXTERN PetscErrorCode PetscOptionsStringToReal(const char[],PetscReal*);
51 PETSC_EXTERN PetscErrorCode PetscOptionsStringToBool(const char[],PetscBool*);
52 
53 PETSC_EXTERN PetscErrorCode PetscOptionsMonitorSet(PetscErrorCode (*)(const char[], const char[], void*), void *, PetscErrorCode (*)(void**));
54 PETSC_EXTERN PetscErrorCode PetscOptionsMonitorCancel(void);
55 PETSC_EXTERN PetscErrorCode PetscOptionsMonitorDefault(const char[], const char[], void *);
56 
57 PETSC_EXTERN PetscBool PetscOptionsPublish;
58 PETSC_EXTERN PetscInt PetscOptionsPublishCount;
59 
60 /*MC
61     PetscOptionsBegin - Begins a set of queries on the options database that are related and should be
62      displayed on the same window of a GUI that allows the user to set the options interactively.
63 
64    Synopsis:
65     #include "petscoptions.h"
66     PetscErrorCode PetscOptionsBegin(MPI_Comm comm,const char prefix[],const char title[],const char mansec[])
67 
68     Collective on MPI_Comm
69 
70   Input Parameters:
71 +   comm - communicator that shares GUI
72 .   prefix - options prefix for all options displayed on window
73 .   title - short descriptive text, for example "Krylov Solver Options"
74 -   mansec - section of manual pages for options, for example KSP
75 
76   Level: intermediate
77 
78   Notes: Needs to be ended by a call the PetscOptionsEnd()
79          Can add subheadings with PetscOptionsHead()
80 
81   Developer notes: PetscOptionsPublish is set in PetscOptionsCheckInitial_Private() with -saws_options. When PetscOptionsPublish is set the
82 $             loop between PetscOptionsBegin() and PetscOptionsEnd() is run THREE times with PetscOptionsPublishCount of values -1,0,1 otherwise
83 $             the loop is run ONCE with a PetscOptionsPublishCount of 1.
84 $             = -1 : The PetscOptionsInt() etc just call the PetscOptionsGetInt() etc
85 $             = 0  : The GUI objects are created in PetscOptionsInt() etc and displayed in PetscOptionsEnd() and the options
86 $                    database updated updated with user changes; PetscOptionsGetInt() etc are also called
87 $             = 1 : The PetscOptionsInt() etc again call the PetscOptionsGetInt() etc (possibly getting new values), in addition the help message and
88 $                   default values are printed if -help was given.
89 $           When PetscOptionsObject.changedmethod is set this causes PetscOptionsPublishCount to be reset to -2 (so in the next loop iteration it is -1)
90 $           and the whole process is repeated. This is to handle when, for example, the KSPType is changed thus changing the list of
91 $           options available so they need to be redisplayed so the user can change the. Chaning PetscOptionsObjects.changedmethod is never
92 $           currently set.
93 
94 
95 .seealso: PetscOptionsGetReal(), PetscOptionsHasName(), PetscOptionsGetString(), PetscOptionsGetInt(),
96           PetscOptionsGetIntArray(), PetscOptionsGetRealArray(), PetscOptionsBool()
97           PetscOptionsInt(), PetscOptionsString(), PetscOptionsReal(), PetscOptionsBool(),
98           PetscOptionsName(), PetscOptionsBegin(), PetscOptionsEnd(), PetscOptionsHead(),
99           PetscOptionsStringArray(),PetscOptionsRealArray(), PetscOptionsScalar(),
100           PetscOptionsBoolGroupBegin(), PetscOptionsBoolGroup(), PetscOptionsBoolGroupEnd(),
101           PetscOptionsFList(), PetscOptionsEList(), PetscObjectOptionsBegin()
102 
103 M*/
104 #define    PetscOptionsBegin(comm,prefix,mess,sec) 0; do {\
105              for (PetscOptionsPublishCount=(PetscOptionsPublish?-1:1); PetscOptionsPublishCount<2; PetscOptionsPublishCount++) {\
106              PetscErrorCode _5_ierr = PetscOptionsBegin_Private(comm,prefix,mess,sec);CHKERRQ(_5_ierr);
107 
108 /*MC
109     PetscObjectOptionsBegin - Begins a set of queries on the options database that are related and should be
110      displayed on the same window of a GUI that allows the user to set the options interactively.
111 
112    Synopsis:
113     #include "petscoptions.h"
114     PetscErrorCode PetscObjectOptionsBegin(PetscObject obj)
115 
116     Collective on PetscObject
117 
118   Input Parameters:
119 .   obj - object to set options for
120 
121   Level: intermediate
122 
123   Notes: Needs to be ended by a call the PetscOptionsEnd()
124          Can add subheadings with PetscOptionsHead()
125 
126 .seealso: PetscOptionsGetReal(), PetscOptionsHasName(), PetscOptionsGetString(), PetscOptionsGetInt(),
127           PetscOptionsGetIntArray(), PetscOptionsGetRealArray(), PetscOptionsBool()
128           PetscOptionsInt(), PetscOptionsString(), PetscOptionsReal(), PetscOptionsBool(),
129           PetscOptionsName(), PetscOptionsBegin(), PetscOptionsEnd(), PetscOptionsHead(),
130           PetscOptionsStringArray(),PetscOptionsRealArray(), PetscOptionsScalar(),
131           PetscOptionsBoolGroupBegin(), PetscOptionsBoolGroup(), PetscOptionsBoolGroupEnd(),
132           PetscOptionsFList(), PetscOptionsEList()
133 
134 M*/
135 #define PetscObjectOptionsBegin(obj) 0; do {                            \
136   for (PetscOptionsPublishCount=(PetscOptionsPublish?-1:1); PetscOptionsPublishCount<2; PetscOptionsPublishCount++) { \
137   PetscErrorCode _5_ierr = PetscObjectOptionsBegin_Private(obj);CHKERRQ(_5_ierr);
138 
139 /*MC
140     PetscOptionsEnd - Ends a set of queries on the options database that are related and should be
141      displayed on the same window of a GUI that allows the user to set the options interactively.
142 
143     Collective on the MPI_Comm used in PetscOptionsBegin()
144 
145    Synopsis:
146      #include "petscoptions.h"
147      PetscErrorCode PetscOptionsEnd(void)
148 
149   Level: intermediate
150 
151   Notes: Needs to be preceded by a call to PetscOptionsBegin()
152 
153 .seealso: PetscOptionsGetReal(), PetscOptionsHasName(), PetscOptionsGetString(), PetscOptionsGetInt(),
154           PetscOptionsGetIntArray(), PetscOptionsGetRealArray(), PetscOptionsBool()
155           PetscOptionsInt(), PetscOptionsString(), PetscOptionsReal(), PetscOptionsBool(),
156           PetscOptionsName(), PetscOptionsBegin(), PetscOptionsEnd(), PetscOptionsHead(),
157           PetscOptionsStringArray(),PetscOptionsRealArray(), PetscOptionsScalar(),
158           PetscOptionsBoolGroupBegin(), PetscOptionsBoolGroup(), PetscOptionsBoolGroupEnd(),
159           PetscOptionsFList(), PetscOptionsEList(), PetscObjectOptionsBegin()
160 
161 M*/
162 #define    PetscOptionsEnd() _5_ierr = PetscOptionsEnd_Private();CHKERRQ(_5_ierr);}} while (0)
163 
164 PETSC_EXTERN PetscErrorCode PetscOptionsBegin_Private(MPI_Comm,const char[],const char[],const char[]);
165 PETSC_EXTERN PetscErrorCode PetscObjectOptionsBegin_Private(PetscObject);
166 PETSC_EXTERN PetscErrorCode PetscOptionsEnd_Private(void);
167 PETSC_EXTERN PetscErrorCode PetscOptionsHead(const char[]);
168 
169 /*MC
170      PetscOptionsTail - Ends a section of options begun with PetscOptionsHead()
171             See, for example, KSPSetFromOptions_GMRES().
172 
173    Collective on the communicator passed in PetscOptionsBegin()
174 
175    Synopsis:
176      #include "petscoptions.h"
177      PetscErrorCode PetscOptionsTail(void)
178 
179   Level: intermediate
180 
181    Notes: Must be between a PetscOptionsBegin() and a PetscOptionsEnd()
182 
183           Must be preceded by a call to PetscOptionsHead() in the same function.
184 
185           This needs to be used only if the code below PetscOptionsTail() can be run ONLY once.
186       See, for example, PCSetFromOptions_Composite(). This is a return(0) in it for early exit
187       from the function.
188 
189           This is only for use with the PETSc options GUI; which does not currently exist.
190 
191    Concepts: options database^subheading
192 
193 .seealso: PetscOptionsGetInt(), PetscOptionsGetReal(),
194            PetscOptionsHasName(), PetscOptionsGetIntArray(), PetscOptionsGetRealArray(), PetscOptionsBool(),
195           PetscOptionsName(), PetscOptionsBegin(), PetscOptionsEnd(), PetscOptionsHead(),
196           PetscOptionsStringArray(),PetscOptionsRealArray(), PetscOptionsScalar(),
197           PetscOptionsBoolGroupBegin(), PetscOptionsBoolGroup(), PetscOptionsBoolGroupEnd(),
198           PetscOptionsFList(), PetscOptionsEList(), PetscOptionsEnum()
199 M*/
200 #define    PetscOptionsTail() 0; {if (PetscOptionsPublishCount != 1) PetscFunctionReturn(0);}
201 
202 PETSC_EXTERN PetscErrorCode PetscOptionsEnum(const char[],const char[],const char[],const char *const*,PetscEnum,PetscEnum*,PetscBool *);
203 PETSC_EXTERN PetscErrorCode PetscOptionsInt(const char[],const char[],const char[],PetscInt,PetscInt*,PetscBool *);
204 PETSC_EXTERN PetscErrorCode PetscOptionsReal(const char[],const char[],const char[],PetscReal,PetscReal*,PetscBool *);
205 PETSC_EXTERN PetscErrorCode PetscOptionsScalar(const char[],const char[],const char[],PetscScalar,PetscScalar*,PetscBool *);
206 PETSC_EXTERN PetscErrorCode PetscOptionsName(const char[],const char[],const char[],PetscBool *);
207 PETSC_EXTERN PetscErrorCode PetscOptionsString(const char[],const char[],const char[],const char[],char*,size_t,PetscBool *);
208 PETSC_EXTERN PetscErrorCode PetscOptionsBool(const char[],const char[],const char[],PetscBool ,PetscBool *,PetscBool *);
209 PETSC_EXTERN PetscErrorCode PetscOptionsBoolGroupBegin(const char[],const char[],const char[],PetscBool *);
210 PETSC_EXTERN PetscErrorCode PetscOptionsBoolGroup(const char[],const char[],const char[],PetscBool *);
211 PETSC_EXTERN PetscErrorCode PetscOptionsBoolGroupEnd(const char[],const char[],const char[],PetscBool *);
212 PETSC_EXTERN PetscErrorCode PetscOptionsFList(const char[],const char[],const char[],PetscFunctionList,const char[],char[],size_t,PetscBool *);
213 PETSC_EXTERN PetscErrorCode PetscOptionsEList(const char[],const char[],const char[],const char*const*,PetscInt,const char[],PetscInt*,PetscBool *);
214 PETSC_EXTERN PetscErrorCode PetscOptionsRealArray(const char[],const char[],const char[],PetscReal[],PetscInt*,PetscBool *);
215 PETSC_EXTERN PetscErrorCode PetscOptionsIntArray(const char[],const char[],const char[],PetscInt[],PetscInt*,PetscBool *);
216 PETSC_EXTERN PetscErrorCode PetscOptionsStringArray(const char[],const char[],const char[],char*[],PetscInt*,PetscBool *);
217 PETSC_EXTERN PetscErrorCode PetscOptionsBoolArray(const char[],const char[],const char[],PetscBool [],PetscInt*,PetscBool *);
218 
219 
220 PETSC_EXTERN PetscErrorCode PetscOptionsSetFromOptions(void);
221 PETSC_EXTERN PetscErrorCode PetscOptionsSAWsDestroy(void);
222 
223 /*
224     See manual page for PetscOptionsBegin()
225 */
226 typedef enum {OPTION_INT,OPTION_BOOL,OPTION_REAL,OPTION_FLIST,OPTION_STRING,OPTION_REAL_ARRAY,OPTION_HEAD,OPTION_INT_ARRAY,OPTION_ELIST,OPTION_BOOL_ARRAY,OPTION_STRING_ARRAY} PetscOptionType;
227 typedef struct _n_PetscOptions* PetscOptions;
228 struct _n_PetscOptions {
229   char              *option;
230   char              *text;
231   void              *data;         /* used to hold the default value and then any value it is changed to by GUI */
232   PetscFunctionList flist;         /* used for available values for PetscOptionsFList() */
233   const char *const *list;        /* used for available values for PetscOptionsEList() */
234   char              nlist;         /* number of entries in list */
235   char              *man;
236   size_t            arraylength;   /* number of entries in data in the case that it is an array (of PetscInt etc) */
237   int               set;           /* the user has changed this value in the GUI */
238   PetscOptionType   type;
239   PetscOptions      next;
240   char              *pman;
241   void              *edata;
242 };
243 
244 typedef struct {
245   PetscOptions     next;
246   char             *prefix,*pprefix;
247   char             *title;
248   MPI_Comm         comm;
249   PetscBool        printhelp,changedmethod,alreadyprinted;
250   PetscObject      object;
251 } PetscOptionsObjectType;
252 #endif
253