xref: /petsc/src/snes/interface/dlregissnes.c (revision 7d0a6c19129e7069c8a40e210b34ed62989173db)
1 
2 #include "private/snesimpl.h"
3 
4 static PetscBool  SNESPackageInitialized = PETSC_FALSE;
5 #undef __FUNCT__
6 #define __FUNCT__ "SNESFinalizePackage"
7 /*@C
8   SNESFinalizePackage - This function destroys everything in the Petsc interface to the SNES package. It is
9   called from PetscFinalize().
10 
11   Level: developer
12 
13 .keywords: Petsc, destroy, package, mathematica
14 .seealso: PetscFinalize()
15 @*/
16 PetscErrorCode  SNESFinalizePackage(void)
17 {
18   PetscFunctionBegin;
19   SNESPackageInitialized = PETSC_FALSE;
20   SNESRegisterAllCalled  = PETSC_FALSE;
21   SNESList               = PETSC_NULL;
22   PetscFunctionReturn(0);
23 }
24 
25 #undef __FUNCT__
26 #define __FUNCT__ "SNESInitializePackage"
27 /*@C
28   SNESInitializePackage - This function initializes everything in the SNES package. It is called
29   from PetscDLLibraryRegister() when using dynamic libraries, and on the first call to SNESCreate()
30   when using static libraries.
31 
32   Input Parameter:
33   path - The dynamic library path, or PETSC_NULL
34 
35   Level: developer
36 
37 .keywords: SNES, initialize, package
38 .seealso: PetscInitialize()
39 @*/
40 PetscErrorCode  SNESInitializePackage(const char path[])
41 {
42   char              logList[256];
43   char              *className;
44   PetscBool         opt;
45   PetscErrorCode    ierr;
46 
47   PetscFunctionBegin;
48   if (SNESPackageInitialized) PetscFunctionReturn(0);
49   SNESPackageInitialized = PETSC_TRUE;
50   /* Register Classes */
51   ierr = PetscClassIdRegister("SNES",&SNES_CLASSID);CHKERRQ(ierr);
52   /* Register Constructors */
53   ierr = SNESRegisterAll(path);CHKERRQ(ierr);
54   /* Register Events */
55   ierr = PetscLogEventRegister("SNESSolve",        SNES_CLASSID,&SNES_Solve);CHKERRQ(ierr);
56   ierr = PetscLogEventRegister("SNESLineSearch",   SNES_CLASSID,&SNES_LineSearch);CHKERRQ(ierr);
57   ierr = PetscLogEventRegister("SNESFunctionEval", SNES_CLASSID,&SNES_FunctionEval);CHKERRQ(ierr);
58   ierr = PetscLogEventRegister("SNESJacobianEval", SNES_CLASSID,&SNES_JacobianEval);CHKERRQ(ierr);
59   /* Process info exclusions */
60   ierr = PetscOptionsGetString(PETSC_NULL, "-info_exclude", logList, 256, &opt);CHKERRQ(ierr);
61   if (opt) {
62     ierr = PetscStrstr(logList, "snes", &className);CHKERRQ(ierr);
63     if (className) {
64       ierr = PetscInfoDeactivateClass(SNES_CLASSID);CHKERRQ(ierr);
65     }
66   }
67   /* Process summary exclusions */
68   ierr = PetscOptionsGetString(PETSC_NULL, "-log_summary_exclude", logList, 256, &opt);CHKERRQ(ierr);
69   if (opt) {
70     ierr = PetscStrstr(logList, "snes", &className);CHKERRQ(ierr);
71     if (className) {
72       ierr = PetscLogEventDeactivateClass(SNES_CLASSID);CHKERRQ(ierr);
73     }
74   }
75   ierr = PetscRegisterFinalize(SNESFinalizePackage);CHKERRQ(ierr);
76   PetscFunctionReturn(0);
77 }
78 
79 #ifdef PETSC_USE_DYNAMIC_LIBRARIES
80 EXTERN_C_BEGIN
81 #undef __FUNCT__
82 #define __FUNCT__ "PetscDLLibraryRegister_petscsnes"
83 /*
84   PetscDLLibraryRegister - This function is called when the dynamic library it is in is opened.
85 
86   This registers all of the SNES methods that are in the basic PETSc libpetscsnes library.
87 
88   Input Parameter:
89   path - library path
90 
91  */
92 PetscErrorCode  PetscDLLibraryRegister_petscsnes(const char path[])
93 {
94   PetscErrorCode ierr;
95 
96   PetscFunctionBegin;
97   ierr = SNESInitializePackage(path);CHKERRQ(ierr);
98   PetscFunctionReturn(0);
99 }
100 EXTERN_C_END
101 
102 #endif /* PETSC_USE_DYNAMIC_LIBRARIES */
103