xref: /petsc/src/sys/ftn-custom/zsys.c (revision b45d2f2cb7e031d9c0de5873eca80614ca7b863b)
1ae4341f3SSatish Balay 
2*b45d2f2cSJed Brown #include <petsc-private/fortranimpl.h>
3ae4341f3SSatish Balay 
4ae4341f3SSatish Balay #ifdef PETSC_HAVE_FORTRAN_CAPS
5ae4341f3SSatish Balay #define chkmemfortran_             CHKMEMFORTRAN
6ae4341f3SSatish Balay #define petscoffsetfortran_        PETSCOFFSETFORTRAN
745d5e9f8SBarry Smith #define petscobjectstateincrease_  PETSCOBJECTSTATEINCREASE
845d5e9f8SBarry Smith #define petscobjectstatedecrease_  PETSCOBJECTSTATEDECREASE
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
1445d5e9f8SBarry Smith #define petscobjectstatedecrease_  petscobjectstatedecrease
15ae4341f3SSatish Balay #endif
16ae4341f3SSatish Balay 
1745d5e9f8SBarry Smith 
18ae4341f3SSatish Balay EXTERN_C_BEGIN
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2045d5e9f8SBarry Smith void PETSC_STDCALL  petscobjectstateincrease_(PetscObject *obj, PetscErrorCode *ierr )
2145d5e9f8SBarry Smith {
2245d5e9f8SBarry Smith   *ierr = PetscObjectStateIncrease(*obj);
2345d5e9f8SBarry Smith }
2445d5e9f8SBarry Smith void PETSC_STDCALL  petscobjectstatedecrease_(PetscObject *obj, PetscErrorCode *ierr ){
2545d5e9f8SBarry Smith   *ierr = PetscObjectStateDecrease(*obj);
2645d5e9f8SBarry Smith }
2745d5e9f8SBarry Smith 
2845d5e9f8SBarry Smith 
29bf34bf42SBarry Smith #if defined(PETSC_MISSING_FORTRAN_FLUSH_)
30bf34bf42SBarry Smith void flush__(int unit)
31bf34bf42SBarry Smith {
32bf34bf42SBarry Smith }
33bf34bf42SBarry Smith #endif
34bf34bf42SBarry Smith 
35bf34bf42SBarry Smith 
36c74decddSSatish Balay void PETSC_STDCALL petscoffsetfortran_(PetscScalar *x,PetscScalar *y,size_t *shift,PetscErrorCode *ierr)
37ae4341f3SSatish Balay {
38ae4341f3SSatish Balay   *ierr = 0;
39ae4341f3SSatish Balay   *shift = y - x;
40ae4341f3SSatish Balay }
41ae4341f3SSatish Balay 
42ae4341f3SSatish Balay /* ---------------------------------------------------------------------------------*/
43ae4341f3SSatish Balay /*
44ae4341f3SSatish Balay         This version does not do a malloc
45ae4341f3SSatish Balay */
46ae4341f3SSatish Balay static char FIXCHARSTRING[1024];
47ae4341f3SSatish Balay 
48ae4341f3SSatish Balay #define CHAR char*
49ae4341f3SSatish Balay #define FIXCHARNOMALLOC(a,n,b) \
50ae4341f3SSatish Balay {\
51ae4341f3SSatish Balay   if (a == PETSC_NULL_CHARACTER_Fortran) { \
52ae4341f3SSatish Balay     b = a = 0; \
53ae4341f3SSatish Balay   } else { \
54ae4341f3SSatish Balay     while((n > 0) && (a[n-1] == ' ')) n--; \
55ae4341f3SSatish Balay     if (a[n] != 0) { \
56ae4341f3SSatish Balay       b = FIXCHARSTRING; \
57ae4341f3SSatish Balay       *ierr = PetscStrncpy(b,a,n); \
58ae4341f3SSatish Balay       if (*ierr) return; \
59ae4341f3SSatish Balay       b[n] = 0; \
60ae4341f3SSatish Balay     } else b = a;\
61ae4341f3SSatish Balay   } \
62ae4341f3SSatish Balay }
63ae4341f3SSatish Balay 
64ae4341f3SSatish Balay void PETSC_STDCALL chkmemfortran_(int *line,CHAR file PETSC_MIXED_LEN(len),PetscErrorCode *ierr PETSC_END_LEN(len))
65ae4341f3SSatish Balay {
66ae4341f3SSatish Balay   char *c1;
67ae4341f3SSatish Balay 
68ae4341f3SSatish Balay   FIXCHARNOMALLOC(file,len,c1);
69ae4341f3SSatish Balay   *ierr = PetscMallocValidate(*line,"Userfunction",c1," ");
70ae4341f3SSatish Balay }
71ae4341f3SSatish Balay 
72ae4341f3SSatish Balay 
73ae4341f3SSatish Balay EXTERN_C_END
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