163 lines
3.3 KiB
C
163 lines
3.3 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <hdf5.h>
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#include "H5Part.h"
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#include "H5Block.h"
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#include "H5BlockTypes.h"
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struct H5BlockPartition Layout[1] = {
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{ 0, 63, 0, 63, 0, 511 }
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};
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static h5part_int64_t
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_calc_index_KJI (
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int myproc,
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h5part_int64_t i,
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h5part_int64_t j,
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h5part_int64_t k
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) {
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h5part_int64_t i_dims = Layout[myproc].i_end - Layout[myproc].i_start + 1;
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h5part_int64_t j_dims = Layout[myproc].j_end - Layout[myproc].j_start + 1;
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return i + j*i_dims + k*i_dims*j_dims;
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}
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static h5part_int64_t
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_read_file (
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H5PartFile *f,
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int myproc,
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int nprocs
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){
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h5part_int64_t i, j, k, idx;
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h5part_int64_t herr;
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h5part_float64_t *data;
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h5part_int64_t i_dims = Layout[myproc].i_end - Layout[myproc].i_start + 1;
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h5part_int64_t j_dims = Layout[myproc].j_end - Layout[myproc].j_start + 1;
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h5part_int64_t k_dims = Layout[myproc].k_end - Layout[myproc].k_start + 1;
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printf ( "Reading Step #%lld\n", (long long)f->timestep );
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data = malloc ( i_dims * j_dims * k_dims * sizeof ( *data ) );
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herr = H5BlockDefine3DFieldLayout (
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f,
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Layout[myproc].i_start, Layout[myproc].i_end,
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Layout[myproc].j_start, Layout[myproc].j_end,
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Layout[myproc].k_start, Layout[myproc].k_end );
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if ( herr < 0 ) return herr;
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herr = H5Block3dReadScalarField ( f, "TestField", data );
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if ( herr < 0 ) return herr;
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for ( i = 0; i < i_dims; i++ ) {
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for ( j = 0; j < j_dims; j++ ) {
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for ( k = 0; k < k_dims; k++ ) {
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idx = _calc_index_KJI ( myproc, i, j, k );
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h5part_float64_t val = k
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+ 1000*j
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+ 100000*i
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+ 10000000*myproc;
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if ( *(data + idx) != val ) {
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printf ( "Error reading field at [%lld,%lld,%lld]\n",
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(long long)i,
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(long long)j,
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(long long)k );
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}
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}
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}
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}
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free ( data );
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return 1;
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}
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int
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main (
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int argc,
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char **argv
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) {
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char *fname = "blockfile1.h5";
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int timestep = 0;
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int myproc;
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int nprocs;
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h5part_int64_t herr;
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H5PartFile *f;
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MPI_Comm comm = MPI_COMM_WORLD;
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MPI_Init( &argc, &argv );
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MPI_Comm_size ( comm, &nprocs );
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MPI_Comm_rank( comm, &myproc );
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if ( nprocs != 1 ) {
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printf ( "Run this test with 1 processor!" );
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return 1;
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}
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printf ("PROC[%d]: Open file \"%s\" for reading ...\n", myproc, fname );
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f = H5PartOpenFileParallel ( fname, H5PART_READ, comm );
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if ( f == NULL ) return -1;
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herr = H5PartSetStep ( f, timestep );
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if ( herr < 0 ) return herr;
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H5PartSetVerbosityLevel ( 40 );
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if ( _read_file ( f, myproc, nprocs ) < 0 ) {
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printf ("Failed to read file \"%s\"\n", fname );
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return 2;
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}
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char sval[16];
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herr = H5BlockReadFieldAttrib (
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f,
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"TestField",
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"TestString",
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sval );
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if ( herr < 0 ) return -1;
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if ( strcmp ( sval, "42" ) != 0 ) {
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printf ( "Error reading string attribute: "
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"Value is \"%s\" and should be \"42\"\n", sval );
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}
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h5part_int64_t ival[1];
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h5part_float64_t rval[1];
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herr = H5BlockReadFieldAttrib (
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f,
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"TestField",
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"TestInt64",
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ival );
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if ( herr < 0 ) return -1;
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if ( ival[0] != 42 ) {
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printf ( "Error reading int64 attribute: "
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"Value is %lld and should be 42\n",
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(long long) ival[0] );
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}
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herr = H5BlockReadFieldAttrib (
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f,
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"TestField",
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"TestFloat64",
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rval );
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if ( herr < 0 ) return -1;
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if ( rval[0] != 42.0 ) {
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printf ( "Error reading float64 attribute: "
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"Value is %f and should be 42.0\n",
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rval[0] );
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}
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herr = H5PartCloseFile ( f );
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if ( herr < 0 ) return -1;
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return 0;
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}
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