Actual source code: hdf4v.c

  1: #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)

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

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

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

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

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

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

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


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

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

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


117: PetscErrorCode PetscViewerHDF4Open(MPI_Comm comm, const char *name, PetscViewerFileType type, PetscViewer *hdf4v)
118: {
120: 
122:  PetscViewerCreate(comm,hdf4v);CE;
123:  PetscViewerSetType(*hdf4v,PETSC_VIEWER_HDF4);CE;
124:  PetscViewerSetFileType(*hdf4v, type);CE;
125:  PetscViewerSetFilename(*hdf4v, name);CE;
126:  return(0);
127: }


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


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