xref: /petsc/src/sys/ftn-custom/zsys.c (revision 1ea3a486735040d17ea68179c0484845a4760dbd)
1ae4341f3SSatish Balay 
2af0996ceSBarry Smith #include <petsc/private/fortranimpl.h>
3ae4341f3SSatish Balay 
4519f805aSKarl Rupp #if defined(PETSC_HAVE_FORTRAN_CAPS)
5ae4341f3SSatish Balay #define chkmemfortran_             CHKMEMFORTRAN
6ae4341f3SSatish Balay #define petscoffsetfortran_        PETSCOFFSETFORTRAN
745d5e9f8SBarry Smith #define petscobjectstateincrease_  PETSCOBJECTSTATEINCREASE
8*1ea3a486SMartin Diehl #define petscobjectcomposefunction_ PETSCOBJECTCOMPOSEFUNCTION
9ae4341f3SSatish Balay #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE)
10ae4341f3SSatish Balay #define petscoffsetfortran_        petscoffsetfortran
11ae4341f3SSatish Balay #define chkmemfortran_             chkmemfortran
12bf34bf42SBarry Smith #define flush__                    flush_
1345d5e9f8SBarry Smith #define petscobjectstateincrease_  petscobjectstateincrease
14*1ea3a486SMartin Diehl #define petscobjectcomposefunction_ petscobjectcomposefunction
15ae4341f3SSatish Balay #endif
16ae4341f3SSatish Balay 
178cc058d9SJed Brown PETSC_EXTERN void PETSC_STDCALL petscobjectstateincrease_(PetscObject *obj, PetscErrorCode *ierr)
1845d5e9f8SBarry Smith {
1945d5e9f8SBarry Smith   *ierr = PetscObjectStateIncrease(*obj);
2045d5e9f8SBarry Smith }
2145d5e9f8SBarry Smith 
22bf34bf42SBarry Smith #if defined(PETSC_MISSING_FORTRAN_FLUSH_)
23bf34bf42SBarry Smith void flush__(int unit)
24bf34bf42SBarry Smith {
25bf34bf42SBarry Smith }
26bf34bf42SBarry Smith #endif
27bf34bf42SBarry Smith 
28bf34bf42SBarry Smith 
298cc058d9SJed Brown PETSC_EXTERN void PETSC_STDCALL petscoffsetfortran_(PetscScalar *x,PetscScalar *y,size_t *shift,PetscErrorCode *ierr)
30ae4341f3SSatish Balay {
31ae4341f3SSatish Balay   *ierr  = 0;
32ae4341f3SSatish Balay   *shift = y - x;
33ae4341f3SSatish Balay }
34ae4341f3SSatish Balay 
35ae4341f3SSatish Balay /* ---------------------------------------------------------------------------------*/
36ae4341f3SSatish Balay /*
37ae4341f3SSatish Balay         This version does not do a malloc
38ae4341f3SSatish Balay */
39ae4341f3SSatish Balay static char FIXCHARSTRING[1024];
40ae4341f3SSatish Balay 
41ae4341f3SSatish Balay #define FIXCHARNOMALLOC(a,n,b) \
42ae4341f3SSatish Balay {\
43ae4341f3SSatish Balay   if (a == PETSC_NULL_CHARACTER_Fortran) { \
44ae4341f3SSatish Balay     b = a = 0; \
45ae4341f3SSatish Balay   } else { \
46ae4341f3SSatish Balay     while ((n > 0) && (a[n-1] == ' ')) n--; \
47ae4341f3SSatish Balay     if (a[n] != 0) { \
48ae4341f3SSatish Balay       b = FIXCHARSTRING; \
4989d949e2SBarry Smith       *ierr = PetscStrncpy(b,a,n+1); \
50ae4341f3SSatish Balay       if (*ierr) return; \
51ae4341f3SSatish Balay     } else b = a;\
52ae4341f3SSatish Balay   } \
53ae4341f3SSatish Balay }
54ae4341f3SSatish Balay 
55390e1bf2SBarry Smith PETSC_EXTERN void PETSC_STDCALL chkmemfortran_(int *line,char* file PETSC_MIXED_LEN(len),PetscErrorCode *ierr PETSC_END_LEN(len))
56ae4341f3SSatish Balay {
57ae4341f3SSatish Balay   char *c1;
58ae4341f3SSatish Balay 
59ae4341f3SSatish Balay   FIXCHARNOMALLOC(file,len,c1);
60efca3c55SSatish Balay   *ierr = PetscMallocValidate(*line,"Userfunction",c1);
61ae4341f3SSatish Balay }
62ae4341f3SSatish Balay 
63*1ea3a486SMartin Diehl PETSC_EXTERN void PETSC_STDCALL petscobjectcomposefunction_(PetscObject *obj, char* name PETSC_MIXED_LEN(len), void (*fptr)(void), PetscErrorCode *ierr PETSC_END_LEN(len))
64*1ea3a486SMartin Diehl {
65*1ea3a486SMartin Diehl   char *c1;
66ae4341f3SSatish Balay 
67*1ea3a486SMartin Diehl   FIXCHARNOMALLOC(name,len,c1);
68*1ea3a486SMartin Diehl   *ierr = PetscObjectComposeFunction(*obj,name,**fptr);
69*1ea3a486SMartin Diehl }
70ae4341f3SSatish Balay 
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