xref: /petsc/src/sys/classes/viewer/impls/vtk/vtkvimpl.h (revision f253e43cc674c8507d337bbb5ef3ec57f9e3fddc)
1 #if !defined(_VTKVIMPL_H)
2 #define _VTKVIMPL_H
3 
4 #include <petsc/private/viewerimpl.h>    /*I   "petscsys.h"   I*/
5 
6 typedef struct _n_PetscViewerVTKObjectLink *PetscViewerVTKObjectLink;
7 struct _n_PetscViewerVTKObjectLink {
8   PetscViewerVTKFieldType  ft;
9   PetscObject              vec;
10   PetscViewerVTKObjectLink next;
11   PetscInt                 field;
12 };
13 
14 typedef struct {
15   char                     *filename;
16   PetscFileMode            btype;
17   PetscObject              dm;
18   PetscViewerVTKObjectLink link;
19   PetscErrorCode (*write)(PetscObject,PetscViewer);
20 } PetscViewer_VTK;
21 
22 PETSC_EXTERN PetscErrorCode PetscViewerVTKFWrite(PetscViewer,FILE*,const void*,PetscInt,MPI_Datatype);
23 
24 #if defined(PETSC_HAVE_STDINT_H) /* The VTK format requires a 32-bit integer */
25 typedef int32_t PetscVTKInt;
26 #else                            /* Hope int is 32 bits */
27 typedef int PetscVTKInt;
28 #endif
29 typedef unsigned char PetscVTKType;
30 
31 #define PETSC_VTK_INT_MAX  2147483647
32 #define PETSC_VTK_INT_MIN -2147483647
33 #if defined(PETSC_USE_64BIT_INDICES)
34 #  define PetscVTKIntCheck(a)  if ((a) > PETSC_VTK_INT_MAX) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE,"Array too long for 32-bit VTK binary format")
35 #  define PetscVTKIntCast(a) (PetscVTKInt)(a);PetscVTKIntCheck(a)
36 #else
37 #  define PetscVTKIntCheck(a)
38 #  define PetscVTKIntCast(a) a
39 #endif
40 
41 /* the only problem we've encountered so far is spaces not being acceptable for paraview field names */
42 PETSC_STATIC_INLINE PetscErrorCode PetscViewerVTKSanitizeName_Internal(char name[], size_t maxlen)
43 {
44   size_t c;
45 
46   PetscFunctionBegin;
47   for (c = 0; c < maxlen; c++) {
48     char a = name[c];
49     if (a == '\0') break;
50     if (a == ' ') name[c] = '_';
51   }
52   PetscFunctionReturn(0);
53 }
54 #endif
55