Actual source code: viewerhdf5impl.h

petsc-main 2021-04-16
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  2: #ifndef __VIEWERHDF5IMPL_H

  5: #if defined(H5_VERSION)
  6: #  error "viewerhdf5impl.h must be included *before* any other HDF5 headers"
  7: #else
  8: #  define H5_USE_18_API
  9: #endif
 10: #include <petscviewerhdf5.h>

 12: #if defined(PETSC_HAVE_HDF5)

 14: /*
 15:   HDF5 function specifications usually read:
 16:   Returns a non-negative value if successful; otherwise returns a negative value.
 17:   (see e.g. https://support.hdfgroup.org/HDF5/doc/RM/RM_H5O.html#Object-Close)
 18: */
 19: #define PetscStackCallHDF5(func,args) do {                        \
 20:     herr_t _status;                                               \
 21:     PetscStackPush(#func);_status = func args;PetscStackPop; if (_status < 0) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_LIB,"Error in HDF5 call %s() Status %d",#func,(int)_status); \
 22:   } while (0)

 24: #define PetscStackCallHDF5Return(ret,func,args) do {              \
 25:     PetscStackPush(#func);ret = func args;PetscStackPop; if (ret < 0) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_LIB,"Error in HDF5 call %s() Status %d",#func,(int)ret); \
 26:   } while (0)

 28: typedef struct PetscViewerHDF5GroupList {
 29:   const char       *name;
 30:   struct PetscViewerHDF5GroupList *next;
 31: } PetscViewerHDF5GroupList;

 33: typedef struct {
 34:   char          *filename;
 35:   PetscFileMode btype;
 36:   hid_t         file_id;
 37:   hid_t         dxpl_id;   /* H5P_DATASET_XFER property list controlling raw data transfer (read/write). Properties are modified using H5Pset_dxpl_* functions. */
 38:   PetscInt      timestep;
 39:   PetscViewerHDF5GroupList *groups;
 40:   PetscBool     basedimension2;  /* save vectors and DMDA vectors with a dimension of at least 2 even if the bs/dof is 1 */
 41:   PetscBool     spoutput;  /* write data in single precision even if PETSc is compiled with double precision PetscReal */
 42: } PetscViewer_HDF5;

 44: #endif
 45: #endif