85 lines
2.8 KiB
C
85 lines
2.8 KiB
C
/*
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Copyright (c) 2006-2015, The Regents of the University of California,
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through Lawrence Berkeley National Laboratory (subject to receipt of any
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required approvals from the U.S. Dept. of Energy) and the Paul Scherrer
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Institut (Switzerland). All rights reserved.
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License: see file COPYING in top level of source distribution.
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*/
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#include "H5hut.h"
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#define FNAME "example_step_attribs.h5"
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#define ATTR_STRING "StepAttrString"
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#define ATTR_INT32 "StepAttrInt32"
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#define ATTR_INT64 "StepAttrInt64"
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#define ATTR_FLOAT32 "StepAttrFloat32"
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#define ATTR_FLOAT64 "StepAttrFloat64"
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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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h5_size_t len;
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MPI_Init (&argc, &argv);
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H5AbortOnError ();
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// if file properties is set to default, MPI_COMM_WORLD will be used
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h5_file_t f = H5OpenFile (FNAME, H5_O_RDONLY, H5_PROP_DEFAULT);
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H5SetStep (f, 1);
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H5GetStepAttribInfoByName (f, ATTR_STRING, NULL, &len);
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char* attr_string = (char*)malloc (len+1);
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H5ReadStepAttribString (f, ATTR_STRING, attr_string);
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printf ("%s: %s\n", ATTR_STRING, attr_string);
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free (attr_string);
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H5GetStepAttribInfoByName (f, ATTR_INT32, NULL, &len);
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int32_t* attr_int32 = (int32_t*)malloc (sizeof(*attr_int32)*len);
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H5ReadStepAttribInt32 (f, ATTR_INT32, attr_int32);
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printf ("%s:", ATTR_INT32);
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for (int i = 0; i < len; i++) {
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printf (" %d", attr_int32[i]);
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}
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printf ("\n");
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free (attr_int32);
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H5GetStepAttribInfoByName (f, ATTR_INT64, NULL, &len);
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int64_t* attr_int64 = (int64_t*)malloc (sizeof(*attr_int64)*len);
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H5ReadStepAttribInt64 (f, ATTR_INT64, attr_int64);
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printf ("%s:", ATTR_INT64);
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for (int i = 0; i < len; i++) {
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printf (" %lld", (long long int)attr_int64[i]);
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}
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printf ("\n");
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free (attr_int64);
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H5GetStepAttribInfoByName (f, ATTR_FLOAT32, NULL, &len);
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h5_float32_t* attr_float32 = (h5_float32_t*)malloc (sizeof(*attr_float32)*len);
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H5ReadStepAttribFloat32 (f, ATTR_FLOAT32, attr_float32);
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printf ("%s:", ATTR_FLOAT32);
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for (int i = 0; i < len; i++) {
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printf (" %f", attr_float32[i]);
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}
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printf ("\n");
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free (attr_float32);
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H5GetStepAttribInfoByName (f, ATTR_FLOAT64, NULL, &len);
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h5_float64_t* attr_float64 = (h5_float64_t*)malloc (sizeof(*attr_float64)*len);
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H5ReadStepAttribFloat64 (f, ATTR_FLOAT64, attr_float64);
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printf ("%s:", ATTR_FLOAT64);
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for (int i = 0; i < len; i++) {
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printf (" %f", attr_float64[i]);
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}
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printf ("\n");
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free (attr_float64);
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H5CloseFile (f);
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MPI_Finalize ();
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return 0;
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}
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