xref: /petsc/src/sys/ftn-custom/zsys.c (revision af0996ce37bc06907c37d8d91773840993d61e62)
1 
2 #include <petsc/private/fortranimpl.h>
3 
4 #if defined(PETSC_HAVE_FORTRAN_CAPS)
5 #define chkmemfortran_             CHKMEMFORTRAN
6 #define petscoffsetfortran_        PETSCOFFSETFORTRAN
7 #define petscobjectstateincrease_  PETSCOBJECTSTATEINCREASE
8 #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE)
9 #define petscoffsetfortran_        petscoffsetfortran
10 #define chkmemfortran_             chkmemfortran
11 #define flush__                    flush_
12 #define petscobjectstateincrease_  petscobjectstateincrease
13 #endif
14 
15 PETSC_EXTERN void PETSC_STDCALL petscobjectstateincrease_(PetscObject *obj, PetscErrorCode *ierr)
16 {
17   *ierr = PetscObjectStateIncrease(*obj);
18 }
19 
20 #if defined(PETSC_MISSING_FORTRAN_FLUSH_)
21 void flush__(int unit)
22 {
23 }
24 #endif
25 
26 
27 PETSC_EXTERN void PETSC_STDCALL petscoffsetfortran_(PetscScalar *x,PetscScalar *y,size_t *shift,PetscErrorCode *ierr)
28 {
29   *ierr  = 0;
30   *shift = y - x;
31 }
32 
33 /* ---------------------------------------------------------------------------------*/
34 /*
35         This version does not do a malloc
36 */
37 static char FIXCHARSTRING[1024];
38 
39 #define CHAR char*
40 #define FIXCHARNOMALLOC(a,n,b) \
41 {\
42   if (a == PETSC_NULL_CHARACTER_Fortran) { \
43     b = a = 0; \
44   } else { \
45     while ((n > 0) && (a[n-1] == ' ')) n--; \
46     if (a[n] != 0) { \
47       b = FIXCHARSTRING; \
48       *ierr = PetscStrncpy(b,a,n+1); \
49       if (*ierr) return; \
50     } else b = a;\
51   } \
52 }
53 
54 PETSC_EXTERN void PETSC_STDCALL chkmemfortran_(int *line,CHAR file PETSC_MIXED_LEN(len),PetscErrorCode *ierr PETSC_END_LEN(len))
55 {
56   char *c1;
57 
58   FIXCHARNOMALLOC(file,len,c1);
59   *ierr = PetscMallocValidate(*line,"Userfunction",c1);
60 }
61 
62 
63 
64