xref: /petsc/src/snes/linesearch/interface/ftn-custom/zlinesearchf.c (revision 19caf8f3c08b1f0ca9f5469bde385c134aa76c82)
1af0996ceSBarry Smith #include <petsc/private/fortranimpl.h>
2ea5d4fccSPeter Brune #include <petscsnes.h>
3ea5d4fccSPeter Brune 
4ea5d4fccSPeter Brune #if defined(PETSC_HAVE_FORTRAN_CAPS)
5f1c6b773SPeter Brune #define sneslinesearchsettype_          SNESLINESEARCHSETTYPE
6f1c6b773SPeter Brune #define sneslinesearchsetprecheck_      SNESLINESEARCHSETPRECHECK
7f1c6b773SPeter Brune #define sneslinesearchgetprecheck_      SNESLINESEARCHGETPRECHECK
8f1c6b773SPeter Brune #define sneslinesearchsetpostcheck_     SNESLINESEARCHSETPOSTCHECK
9f1c6b773SPeter Brune #define sneslinesearchgetpostcheck_     SNESLINESEARCHGETPOSTCHECK
10ea5d4fccSPeter Brune #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE)
11f1c6b773SPeter Brune #define sneslinesearchsettype_          sneslinesearchsettype
12f1c6b773SPeter Brune #define sneslinesearchsetprecheck_      sneslinesearchsetprecheck
13f1c6b773SPeter Brune #define sneslinesearchgetprecheck_      sneslinesearchgetprecheck
14f1c6b773SPeter Brune #define sneslinesearchsetpostcheck_     sneslinesearchsetpostcheck
15f1c6b773SPeter Brune #define sneslinesearchgetpostcheck_     sneslinesearchgetpostcheck
16c87759e9SPeter Brune 
17ea5d4fccSPeter Brune #endif
18ea5d4fccSPeter Brune 
19c87759e9SPeter Brune /* fortranpointers go: shell, precheck, postcheck */
20c87759e9SPeter Brune 
21f1c6b773SPeter Brune static PetscErrorCode oursneslinesearchprecheck(SNESLineSearch linesearch, Vec X, Vec Y, PetscBool * changed, void * ctx)
22c87759e9SPeter Brune {
23c87759e9SPeter Brune   PetscErrorCode ierr = 0;
24*19caf8f3SSatish Balay   (*(void (*)(SNESLineSearch*,Vec*, Vec*, PetscBool*,void*,PetscErrorCode*))(((PetscObject)linesearch)->fortran_func_pointers[1]))(&linesearch,&X,&Y,changed,ctx,&ierr);CHKERRQ(ierr);
25c87759e9SPeter Brune   return 0;
26c87759e9SPeter Brune }
27c87759e9SPeter Brune 
28f1c6b773SPeter Brune static PetscErrorCode oursneslinesearchpostcheck(SNESLineSearch linesearch, Vec X, Vec Y, Vec W, PetscBool * changed_Y, PetscBool * changed_W, void * ctx)
29c87759e9SPeter Brune {
30c87759e9SPeter Brune   PetscErrorCode ierr = 0;
31*19caf8f3SSatish Balay   (*(void (*)(SNESLineSearch*,Vec*,Vec*,Vec*,PetscBool*,PetscBool*,void*,PetscErrorCode*))
32c87759e9SPeter Brune      (((PetscObject)linesearch)->fortran_func_pointers[2]))(&linesearch,&X,&Y,&W,changed_Y,changed_W,ctx,&ierr);CHKERRQ(ierr);
33c87759e9SPeter Brune   return 0;
34c87759e9SPeter Brune }
35c87759e9SPeter Brune 
36*19caf8f3SSatish Balay PETSC_EXTERN void sneslinesearchsettype_(SNESLineSearch *linesearch,char* type,PetscErrorCode *ierr,PETSC_FORTRAN_CHARLEN_T len)
37ea5d4fccSPeter Brune {
38ea5d4fccSPeter Brune   char *t;
39ea5d4fccSPeter Brune 
40ea5d4fccSPeter Brune   FIXCHAR(type,len,t);
41d49bb8f9SBarry Smith   *ierr = SNESLineSearchSetType(*linesearch,t);if (*ierr) return;
42ea5d4fccSPeter Brune   FREECHAR(type,t);
43ea5d4fccSPeter Brune }
44c87759e9SPeter Brune 
45c87759e9SPeter Brune 
46*19caf8f3SSatish Balay PETSC_EXTERN void sneslinesearchsetprecheck_(SNESLineSearch *linesearch,void (*func)(SNESLineSearch*,Vec*,Vec*,PetscBool*,PetscErrorCode*),void *ctx,PetscErrorCode *ierr)
47c87759e9SPeter Brune {
48c87759e9SPeter Brune   PetscObjectAllocateFortranPointers(*linesearch,3);
49c87759e9SPeter Brune   ((PetscObject)*linesearch)->fortran_func_pointers[1] = (PetscVoidFunction)func;
50f5af7f23SKarl Rupp 
51f1c6b773SPeter Brune   *ierr = SNESLineSearchSetPreCheck(*linesearch,oursneslinesearchprecheck,ctx);
52c87759e9SPeter Brune }
53c87759e9SPeter Brune 
54*19caf8f3SSatish Balay PETSC_EXTERN void sneslinesearchsetpostcheck_(SNESLineSearch *linesearch,void (*func)(SNESLineSearch*,Vec*,Vec*,Vec*,PetscBool*,PetscBool*,PetscErrorCode*,void*),void *ctx,PetscErrorCode *ierr)
55c87759e9SPeter Brune {
56c87759e9SPeter Brune   PetscObjectAllocateFortranPointers(*linesearch,3);
57c87759e9SPeter Brune   ((PetscObject)*linesearch)->fortran_func_pointers[2] = (PetscVoidFunction)func;
58f5af7f23SKarl Rupp 
59f1c6b773SPeter Brune   *ierr = SNESLineSearchSetPostCheck(*linesearch,oursneslinesearchpostcheck,ctx);
60c87759e9SPeter Brune }
61c87759e9SPeter Brune 
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