Actual source code: hdf4v.c

  1: #define PETSC_DLL
  2: #define HERE do { PetscErrorCode ierr, rank; MPI_Comm_rank(PETSC_COMM_WORLD, &rank); PetscPrintf(PETSC_COMM_SELF,"[%d] LINE %d (%s)\n", rank, __LINE__, __FUNCTION__); } while (0)

  4: #define CE do {  } while (0)

  6: #include "src/sys/src/viewer/viewerimpl.h"    /*I   "petsc.h"   I*/
  7: #if defined(PETSC_HAVE_HDF4)
  8: #include <mfhdf.h>
  9: #endif

 11: typedef struct {
 12:  int                 sd_id;
 13:  char                *filename;
 14:  PetscViewerFileType btype;
 15: } PetscViewer_HDF4;

 19: PetscErrorCode PetscViewerDestroy_HDF4(PetscViewer v)
 20: {
 21:  PetscErrorCode   ierr;
 22:  PetscViewer_HDF4 *vhdf4 = (PetscViewer_HDF4 *)v->data;

 25:  if (vhdf4->sd_id >= 0) {
 26:  SDend(vhdf4->sd_id);
 27:  vhdf4->sd_id = -1;
 28:  }
 29:  if (vhdf4->filename) {
 30:    PetscFree(vhdf4->filename);CE;
 31:  }
 32:  PetscFree(vhdf4); CE;
 33:  return(0);
 34: }

 39: PetscErrorCode PETSC_DLLEXPORT PetscViewerSetFileType_HDF4(PetscViewer viewer, PetscViewerFileType type)
 40: {
 41:  PetscViewer_HDF4 *vhdf4 = (PetscViewer_HDF4 *)viewer->data;
 42: 
 45:  vhdf4->btype = type;
 46:  return(0);
 47: }

 53: PetscErrorCode PETSC_DLLEXPORT PetscViewerSetFilename_HDF4(PetscViewer viewer,const char name[])
 54: {
 55:  PetscErrorCode        ierr;
 56:  int                   rank;
 57:  PetscViewer_HDF4      *vhdf4 = (PetscViewer_HDF4*)viewer->data;
 58:  int32                 acc;


 62:  switch (vhdf4->btype) {
 63:  case PETSC_FILE_RDONLY:
 64:    acc = DFACC_READ;
 65:    break;
 66:  case PETSC_FILE_WRONLY:
 67:    acc = DFACC_WRITE;
 68:  break;
 69:  case PETSC_FILE_CREATE:
 70:    acc = DFACC_CREATE;
 71:    break;
 72:  default:
 73:    SETERRQ(PETSC_ERR_ORDER,"Must call PetscViewerSetFileType() before PetscViewerSetFilename()");
 74:  }

 76:  MPI_Comm_rank(viewer->comm,&rank);CE;
 77:  PetscStrallocpy(name,&vhdf4->filename);CE;
 78:  if (!rank) {
 79:    vhdf4->sd_id = SDstart(name, acc);
 80:    if (vhdf4->sd_id < 0) {
 81:      SETERRQ1(PETSC_ERR_LIB, "SDstart failed for %s", name);
 82:    }
 83:  }
 84:  viewer->format = PETSC_VIEWER_NOFORMAT;
 85:  return(0);
 86: }

 92: PetscErrorCode PETSC_DLLEXPORT PetscViewerCreate_HDF4(PetscViewer v)
 93: {
 94:  PetscErrorCode   ierr;
 95:  PetscViewer_HDF4 *vhdf4;
 96: 
 98:  PetscNew(PetscViewer_HDF4,&vhdf4); CE;
 99:  v->data            = (void*)vhdf4;
100:  v->ops->destroy    = PetscViewerDestroy_HDF4;
101:  v->ops->flush      = 0;
102:  v->iformat         = 0;
103:  vhdf4->btype       = (PetscViewerFileType) -1;
104:  vhdf4->filename    = 0;
105:  vhdf4->sd_id       = -1;
106: 
107:  PetscObjectComposeFunctionDynamic((PetscObject)v,"PetscViewerSetFilename_C","PetscViewerSetFilename_HDF4",
108:                                            PetscViewerSetFilename_HDF4);CE;
109:  PetscObjectComposeFunctionDynamic((PetscObject)v,"PetscViewerSetFileType_C","PetscViewerSetFileType_HDF4",
110:                                            PetscViewerSetFileType_HDF4);CE;
111:  return(0);
112: }


118: PetscErrorCode PETSC_DLLEXPORT PetscViewerHDF4Open(MPI_Comm comm, const char *name, PetscViewerFileType type, PetscViewer *hdf4v)
119: {
121: 
123:  PetscViewerCreate(comm,hdf4v);CE;
124:  PetscViewerSetType(*hdf4v,PETSC_VIEWER_HDF4);CE;
125:  PetscViewerSetFileType(*hdf4v, type);CE;
126:  PetscViewerSetFilename(*hdf4v, name);CE;
127:  return(0);
128: }


133: PetscErrorCode PETSC_DLLEXPORT PetscViewerHDF4WriteSDS(PetscViewer viewer, float *xf, int d, int *dims,int bs)
134: {
135:  int                   i;
136:  PetscViewer_HDF4      *vhdf4 = (PetscViewer_HDF4*)viewer->data;
137:  int32                 sds_id,zero32[3],dims32[3];


141:  for (i = 0; i < d; i++) {
142:    zero32[i] = 0;
143:    dims32[i] = dims[i];
144:  }
145:  sds_id = SDcreate(vhdf4->sd_id, "Vec", DFNT_FLOAT32, d, dims32);
146:  if (sds_id < 0) {
147:    SETERRQ(PETSC_ERR_LIB,"SDcreate failed");
148:  }
149:  SDwritedata(sds_id, zero32, 0, dims32, xf);
150:  SDendaccess(sds_id);
151:  return(0);
152: }