xref: /petsc/include/petscoptions.h (revision 18e2ec274b9e92144f2ef650b9690aa28f9a6737)
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:
63     #include "petscoptions.h"
64     PetscErrorCode PetscOptionsBegin(MPI_Comm comm,const char prefix[],const char title[],const char mansec[])
65 
66     Collective on MPI_Comm
67 
68   Input Parameters:
69 +   comm - communicator that shares GUI
70 .   prefix - options prefix for all options displayed on window
71 .   title - short descriptive text, for example "Krylov Solver Options"
72 -   mansec - section of manual pages for options, for example KSP
73 
74   Level: intermediate
75 
76   Notes: Needs to be ended by a call the PetscOptionsEnd()
77          Can add subheadings with PetscOptionsHead()
78 
79   Developer notes: PetscOptionsPublish is set in PetscOptionsCheckInitial_Private() with -options_gui. When PetscOptionsPublish is set the
80 $             loop between PetscOptionsBegin() and PetscOptionsEnd() is run THREE times with PetscOptionsPublishCount of values -1,0,1 otherwise
81 $             the loop is run ONCE with a PetscOptionsPublishCount of 1.
82 $             = -1 : The PetscOptionsInt() etc just call the PetscOptionsGetInt() etc
83 $             = 0  : The GUI objects are created in PetscOptionsInt() etc and displayed in PetscOptionsEnd() and the options
84 $                    database updated updated with user changes; PetscOptionsGetInt() etc are also called
85 $             = 1 : The PetscOptionsInt() etc again call the PetscOptionsGetInt() etc (possibly getting new values), in addition the help message and
86 $                   default values are printed if -help was given.
87 $           When PetscOptionsObject.changedmethod is set this causes PetscOptionsPublishCount to be reset to -2 (so in the next loop iteration it is -1)
88 $           and the whole process is repeated. This is to handle when, for example, the KSPType is changed thus changing the list of
89 $           options available so they need to be redisplayed so the user can change the. Chaning PetscOptionsObjects.changedmethod is never
90 $           currently set.
91 
92 
93 .seealso: PetscOptionsGetReal(), PetscOptionsHasName(), PetscOptionsGetString(), PetscOptionsGetInt(),
94           PetscOptionsGetIntArray(), PetscOptionsGetRealArray(), PetscOptionsBool()
95           PetscOptionsInt(), PetscOptionsString(), PetscOptionsReal(), PetscOptionsBool(),
96           PetscOptionsName(), PetscOptionsBegin(), PetscOptionsEnd(), PetscOptionsHead(),
97           PetscOptionsStringArray(),PetscOptionsRealArray(), PetscOptionsScalar(),
98           PetscOptionsBoolGroupBegin(), PetscOptionsBoolGroup(), PetscOptionsBoolGroupEnd(),
99           PetscOptionsList(), PetscOptionsEList(), PetscObjectOptionsBegin()
100 
101 M*/
102 #define    PetscOptionsBegin(comm,prefix,mess,sec) 0; do {\
103              for (PetscOptionsPublishCount=(PetscOptionsPublish?-1:1); PetscOptionsPublishCount<2; PetscOptionsPublishCount++) {\
104              PetscErrorCode _5_ierr = PetscOptionsBegin_Private(comm,prefix,mess,sec);CHKERRQ(_5_ierr);
105 
106 /*MC
107     PetscObjectOptionsBegin - Begins a set of queries on the options database that are related and should be
108      displayed on the same window of a GUI that allows the user to set the options interactively.
109 
110    Synopsis:
111     #include "petscoptions.h"
112     PetscErrorCode PetscObjectOptionsBegin(PetscObject obj)
113 
114     Collective on PetscObject
115 
116   Input Parameters:
117 .   obj - object to set options for
118 
119   Level: intermediate
120 
121   Notes: Needs to be ended by a call the PetscOptionsEnd()
122          Can add subheadings with PetscOptionsHead()
123 
124 .seealso: PetscOptionsGetReal(), PetscOptionsHasName(), PetscOptionsGetString(), PetscOptionsGetInt(),
125           PetscOptionsGetIntArray(), PetscOptionsGetRealArray(), PetscOptionsBool()
126           PetscOptionsInt(), PetscOptionsString(), PetscOptionsReal(), PetscOptionsBool(),
127           PetscOptionsName(), PetscOptionsBegin(), PetscOptionsEnd(), PetscOptionsHead(),
128           PetscOptionsStringArray(),PetscOptionsRealArray(), PetscOptionsScalar(),
129           PetscOptionsBoolGroupBegin(), PetscOptionsBoolGroup(), PetscOptionsBoolGroupEnd(),
130           PetscOptionsList(), PetscOptionsEList()
131 
132 M*/
133 #define PetscObjectOptionsBegin(obj) 0; do {                            \
134   for (PetscOptionsPublishCount=(PetscOptionsPublish?-1:1); PetscOptionsPublishCount<2; PetscOptionsPublishCount++) { \
135   PetscErrorCode _5_ierr = PetscObjectOptionsBegin_Private(obj);CHKERRQ(_5_ierr);
136 
137 /*MC
138     PetscOptionsEnd - Ends a set of queries on the options database that are related and should be
139      displayed on the same window of a GUI that allows the user to set the options interactively.
140 
141     Collective on the MPI_Comm used in PetscOptionsBegin()
142 
143    Synopsis:
144      #include "petscoptions.h"
145      PetscErrorCode PetscOptionsEnd(void)
146 
147   Level: intermediate
148 
149   Notes: Needs to be preceded by a call to PetscOptionsBegin()
150 
151 .seealso: PetscOptionsGetReal(), PetscOptionsHasName(), PetscOptionsGetString(), PetscOptionsGetInt(),
152           PetscOptionsGetIntArray(), PetscOptionsGetRealArray(), PetscOptionsBool()
153           PetscOptionsInt(), PetscOptionsString(), PetscOptionsReal(), PetscOptionsBool(),
154           PetscOptionsName(), PetscOptionsBegin(), PetscOptionsEnd(), PetscOptionsHead(),
155           PetscOptionsStringArray(),PetscOptionsRealArray(), PetscOptionsScalar(),
156           PetscOptionsBoolGroupBegin(), PetscOptionsBoolGroup(), PetscOptionsBoolGroupEnd(),
157           PetscOptionsList(), PetscOptionsEList(), PetscObjectOptionsBegin()
158 
159 M*/
160 #define    PetscOptionsEnd() _5_ierr = PetscOptionsEnd_Private();CHKERRQ(_5_ierr);}} while (0)
161 
162 PETSC_EXTERN PetscErrorCode PetscOptionsBegin_Private(MPI_Comm,const char[],const char[],const char[]);
163 PETSC_EXTERN PetscErrorCode PetscObjectOptionsBegin_Private(PetscObject);
164 PETSC_EXTERN PetscErrorCode PetscOptionsEnd_Private(void);
165 PETSC_EXTERN PetscErrorCode PetscOptionsHead(const char[]);
166 
167 /*MC
168      PetscOptionsTail - Ends a section of options begun with PetscOptionsHead()
169             See, for example, KSPSetFromOptions_GMRES().
170 
171    Collective on the communicator passed in PetscOptionsBegin()
172 
173    Synopsis:
174      #include "petscoptions.h"
175      PetscErrorCode PetscOptionsTail(void)
176 
177   Level: intermediate
178 
179    Notes: Must be between a PetscOptionsBegin() and a PetscOptionsEnd()
180 
181           Must be preceded by a call to PetscOptionsHead() in the same function.
182 
183           This needs to be used only if the code below PetscOptionsTail() can be run ONLY once.
184       See, for example, PCSetFromOptions_Composite(). This is a return(0) in it for early exit
185       from the function.
186 
187           This is only for use with the PETSc options GUI; which does not currently exist.
188 
189    Concepts: options database^subheading
190 
191 .seealso: PetscOptionsGetInt(), PetscOptionsGetReal(),
192            PetscOptionsHasName(), PetscOptionsGetIntArray(), PetscOptionsGetRealArray(), PetscOptionsBool(),
193           PetscOptionsName(), PetscOptionsBegin(), PetscOptionsEnd(), PetscOptionsHead(),
194           PetscOptionsStringArray(),PetscOptionsRealArray(), PetscOptionsScalar(),
195           PetscOptionsBoolGroupBegin(), PetscOptionsBoolGroup(), PetscOptionsBoolGroupEnd(),
196           PetscOptionsList(), PetscOptionsEList(), PetscOptionsEnum()
197 M*/
198 #define    PetscOptionsTail() 0; {if (PetscOptionsPublishCount != 1) PetscFunctionReturn(0);}
199 
200 PETSC_EXTERN PetscErrorCode PetscOptionsEnum(const char[],const char[],const char[],const char *const*,PetscEnum,PetscEnum*,PetscBool *);
201 PETSC_EXTERN PetscErrorCode PetscOptionsInt(const char[],const char[],const char[],PetscInt,PetscInt*,PetscBool *);
202 PETSC_EXTERN PetscErrorCode PetscOptionsReal(const char[],const char[],const char[],PetscReal,PetscReal*,PetscBool *);
203 PETSC_EXTERN PetscErrorCode PetscOptionsScalar(const char[],const char[],const char[],PetscScalar,PetscScalar*,PetscBool *);
204 PETSC_EXTERN PetscErrorCode PetscOptionsName(const char[],const char[],const char[],PetscBool *);
205 PETSC_EXTERN PetscErrorCode PetscOptionsString(const char[],const char[],const char[],const char[],char*,size_t,PetscBool *);
206 PETSC_EXTERN PetscErrorCode PetscOptionsBool(const char[],const char[],const char[],PetscBool ,PetscBool *,PetscBool *);
207 PETSC_EXTERN PetscErrorCode PetscOptionsBoolGroupBegin(const char[],const char[],const char[],PetscBool *);
208 PETSC_EXTERN PetscErrorCode PetscOptionsBoolGroup(const char[],const char[],const char[],PetscBool *);
209 PETSC_EXTERN PetscErrorCode PetscOptionsBoolGroupEnd(const char[],const char[],const char[],PetscBool *);
210 PETSC_EXTERN PetscErrorCode PetscOptionsList(const char[],const char[],const char[],PetscFList,const char[],char[],size_t,PetscBool *);
211 PETSC_EXTERN PetscErrorCode PetscOptionsEList(const char[],const char[],const char[],const char*const*,PetscInt,const char[],PetscInt*,PetscBool *);
212 PETSC_EXTERN PetscErrorCode PetscOptionsRealArray(const char[],const char[],const char[],PetscReal[],PetscInt*,PetscBool *);
213 PETSC_EXTERN PetscErrorCode PetscOptionsIntArray(const char[],const char[],const char[],PetscInt[],PetscInt*,PetscBool *);
214 PETSC_EXTERN PetscErrorCode PetscOptionsStringArray(const char[],const char[],const char[],char*[],PetscInt*,PetscBool *);
215 PETSC_EXTERN PetscErrorCode PetscOptionsBoolArray(const char[],const char[],const char[],PetscBool [],PetscInt*,PetscBool *);
216 
217 
218 PETSC_EXTERN PetscErrorCode PetscOptionsSetFromOptions(void);
219 PETSC_EXTERN PetscErrorCode PetscOptionsAMSDestroy(void);
220 
221 /*
222     See manual page for PetscOptionsBegin()
223 */
224 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;
225 typedef struct _n_PetscOptions* PetscOptions;
226 struct _n_PetscOptions {
227   char              *option;
228   char              *text;
229   void              *data;         /* used to hold the default value and then any value it is changed to by GUI */
230   PetscFList        flist;         /* used for available values for PetscOptionsList() */
231   const char *const *list;        /* used for available values for PetscOptionsEList() */
232   char              nlist;         /* number of entries in list */
233   char              *man;
234   size_t            arraylength;   /* number of entries in data in the case that it is an array (of PetscInt etc) */
235   PetscBool         set;           /* the user has changed this value in the GUI */
236   PetscOptionType   type;
237   PetscOptions      next;
238   char              *pman;
239   void              *edata;
240 };
241 
242 typedef struct {
243   PetscOptions     next;
244   char             *prefix,*pprefix;
245   char             *title;
246   MPI_Comm         comm;
247   PetscBool        printhelp,changedmethod,alreadyprinted;
248   PetscObject      object;
249 } PetscOptionsObjectType;
250 #endif
251