xref: /petsc/src/sys/ftn-custom/zsys.c (revision a8f51744601f91dc30d5f98153b1ecd91eebb0e5)
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
8ae4341f3SSatish Balay #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE)
9ae4341f3SSatish Balay   #define petscoffsetfortran_       petscoffsetfortran
10ae4341f3SSatish Balay   #define chkmemfortran_            chkmemfortran
11bf34bf42SBarry Smith   #define flush__                   flush_
1245d5e9f8SBarry Smith   #define petscobjectstateincrease_ petscobjectstateincrease
13ae4341f3SSatish Balay #endif
14ae4341f3SSatish Balay 
1519caf8f3SSatish Balay PETSC_EXTERN void petscobjectstateincrease_(PetscObject *obj, PetscErrorCode *ierr)
1645d5e9f8SBarry Smith {
1745d5e9f8SBarry Smith   *ierr = PetscObjectStateIncrease(*obj);
1845d5e9f8SBarry Smith }
1945d5e9f8SBarry Smith 
20bf34bf42SBarry Smith #if defined(PETSC_MISSING_FORTRAN_FLUSH_)
215975b3b6SBarry Smith void flush__(int unit) { }
22bf34bf42SBarry Smith #endif
23bf34bf42SBarry Smith 
2419caf8f3SSatish Balay PETSC_EXTERN void petscoffsetfortran_(PetscScalar *x, PetscScalar *y, size_t *shift, PetscErrorCode *ierr)
25ae4341f3SSatish Balay {
263ba16761SJacob Faibussowitsch   *ierr  = PETSC_SUCCESS;
27ae4341f3SSatish Balay   *shift = y - x;
28ae4341f3SSatish Balay }
29ae4341f3SSatish Balay 
30ae4341f3SSatish Balay /* ---------------------------------------------------------------------------------*/
31ae4341f3SSatish Balay /*
32ae4341f3SSatish Balay         This version does not do a malloc
33ae4341f3SSatish Balay */
34ae4341f3SSatish Balay static char FIXCHARSTRING[1024];
35ae4341f3SSatish Balay 
36ae4341f3SSatish Balay #define FIXCHARNOMALLOC(a, n, b) \
37*a8f51744SPierre Jolivet   do { \
38ae4341f3SSatish Balay     if (a == PETSC_NULL_CHARACTER_Fortran) { \
39ae4341f3SSatish Balay       b = a = 0; \
40ae4341f3SSatish Balay     } else { \
41ae4341f3SSatish Balay       while ((n > 0) && (a[n - 1] == ' ')) n--; \
42ae4341f3SSatish Balay       if (a[n] != 0) { \
43ae4341f3SSatish Balay         b     = FIXCHARSTRING; \
4489d949e2SBarry Smith         *ierr = PetscStrncpy(b, a, n + 1); \
45ae4341f3SSatish Balay         if (*ierr) return; \
46ae4341f3SSatish Balay       } else b = a; \
47ae4341f3SSatish Balay     } \
48*a8f51744SPierre Jolivet   } while (0)
49ae4341f3SSatish Balay 
5019caf8f3SSatish Balay PETSC_EXTERN void chkmemfortran_(int *line, char *file, PetscErrorCode *ierr, PETSC_FORTRAN_CHARLEN_T len)
51ae4341f3SSatish Balay {
52ae4341f3SSatish Balay   char *c1;
53ae4341f3SSatish Balay 
54ae4341f3SSatish Balay   FIXCHARNOMALLOC(file, len, c1);
55efca3c55SSatish Balay   *ierr = PetscMallocValidate(*line, "Userfunction", c1);
56ae4341f3SSatish Balay }
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