hdf5/tools/lib/h5diff_dset.c

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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the files COPYING and Copyright.html. COPYING can be found at the root *
* of the source code distribution tree; Copyright.html can be found at the *
* root level of an installed copy of the electronic HDF5 document set and *
* is linked from the top-level documents page. It can also be found at *
* http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include "h5diff.h"
#include "ph5diff.h"
#include "H5private.h"
#include "h5tools.h"
/*-------------------------------------------------------------------------
* Function: diff_dataset
*
* Purpose: check for comparable datasets and read into a compatible
* memory type
*
* Return: Number of differences found
*
* Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu
*
* Date: May 9, 2003
*
*-------------------------------------------------------------------------
*/
hsize_t diff_dataset( hid_t file1_id,
hid_t file2_id,
const char *obj1_name,
const char *obj2_name,
diff_opt_t *options )
{
hid_t dset1_id=-1;
hid_t dset2_id=-1;
hid_t dcpl1_id=-1;
hid_t dcpl2_id=-1;
hsize_t nfound=0;
/*-------------------------------------------------------------------------
* open the handles
*-------------------------------------------------------------------------
*/
/* disable error reporting */
H5E_BEGIN_TRY {
/* Open the datasets */
if ( (dset1_id = H5Dopen(file1_id,obj1_name)) < 0 )
{
printf("Cannot open dataset <%s>\n", obj1_name );
goto error;
}
if ( (dset2_id = H5Dopen(file2_id,obj2_name)) < 0 )
{
printf("Cannot open dataset <%s>\n", obj2_name );
goto error;
}
/* enable error reporting */
} H5E_END_TRY;
if ((dcpl1_id=H5Dget_create_plist(dset1_id))<0)
goto error;
if ((dcpl2_id=H5Dget_create_plist(dset2_id))<0)
goto error;
/*-------------------------------------------------------------------------
* check if the dataset creation property list has filters that
* are not registered in the current configuration
* 1) the external filters GZIP and SZIP might not be available
* 2) the internal filters might be turned off
*-------------------------------------------------------------------------
*/
if ((h5tools_canreadf((options->m_verbose?obj1_name:NULL),dcpl1_id)==1) &&
(h5tools_canreadf((options->m_verbose?obj2_name:NULL),dcpl2_id)==1))
{
nfound=diff_datasetid(dset1_id,
dset2_id,
obj1_name,
obj2_name,
options);
}
/*-------------------------------------------------------------------------
* close
*-------------------------------------------------------------------------
*/
/* disable error reporting */
H5E_BEGIN_TRY {
H5Pclose(dcpl1_id);
H5Pclose(dcpl2_id);
H5Dclose(dset1_id);
H5Dclose(dset2_id);
/* enable error reporting */
} H5E_END_TRY;
return nfound;
error:
options->err_stat=1;
/* disable error reporting */
H5E_BEGIN_TRY {
H5Pclose(dcpl1_id);
H5Pclose(dcpl2_id);
H5Dclose(dset1_id);
H5Dclose(dset2_id);
/* enable error reporting */
} H5E_END_TRY;
return nfound;
}
/*-------------------------------------------------------------------------
* Function: diff_datasetid
*
* Purpose: check for comparable datasets and read into a compatible
* memory type
*
* Return: Number of differences found
*
* Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu
*
* Date: May 9, 2003
*
*-------------------------------------------------------------------------
*/
hsize_t diff_datasetid( hid_t dset1_id,
hid_t dset2_id,
const char *obj1_name,
const char *obj2_name,
diff_opt_t *options )
{
hid_t space1_id =-1;
hid_t space2_id =-1;
hid_t f_type1=-1, f_type2=-1; /* file data type */
hid_t m_type1=-1, m_type2=-1; /* memory data type */
size_t m_size1, m_size2; /* size of type in memory */
H5T_sign_t sign1, sign2; /* sign of type */
int rank1, rank2;
void *buf1=NULL, *buf2=NULL;
hsize_t nelmts1, nelmts2;
hsize_t dims1[H5S_MAX_RANK];
hsize_t dims2[H5S_MAX_RANK];
hsize_t maxdim1[H5S_MAX_RANK];
hsize_t maxdim2[H5S_MAX_RANK];
const char *name1=NULL; /* relative names */
const char *name2=NULL;
hsize_t storage_size1;
hsize_t storage_size2;
hsize_t nfound=0; /* number of differences found */
int cmp=1; /* do diff or not */
int i;
/* Get the dataspace handle */
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if ( (space1_id = H5Dget_space(dset1_id)) < 0 )
goto error;
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/* Get rank */
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if ( (rank1 = H5Sget_simple_extent_ndims(space1_id)) < 0 )
goto error;
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/* Get the dataspace handle */
if ( (space2_id = H5Dget_space(dset2_id)) < 0 )
goto error;
/* Get rank */
if ( (rank2 = H5Sget_simple_extent_ndims(space2_id)) < 0 )
goto error;
/* Get dimensions */
if ( H5Sget_simple_extent_dims(space1_id,dims1,maxdim1) < 0 )
goto error;
/* Get dimensions */
if ( H5Sget_simple_extent_dims(space2_id,dims2,maxdim2) < 0 )
goto error;
/*-------------------------------------------------------------------------
* Get the file data type
*-------------------------------------------------------------------------
*/
/* Get the data type */
if ( (f_type1 = H5Dget_type(dset1_id)) < 0 )
goto error;
/* Get the data type */
if ( (f_type2 = H5Dget_type(dset2_id)) < 0 )
goto error;
/*-------------------------------------------------------------------------
* check for empty datasets
*-------------------------------------------------------------------------
*/
storage_size1=H5Dget_storage_size(dset1_id);
storage_size2=H5Dget_storage_size(dset2_id);
if (storage_size1<=0 && storage_size2<=0)
{
if (options->m_verbose && obj1_name && obj2_name)
parallel_print("<%s> and <%s> are empty datasets\n", obj1_name, obj2_name);
cmp=0;
options->not_cmp=1;
}
/*-------------------------------------------------------------------------
* check for comparable TYPE and SPACE
*-------------------------------------------------------------------------
*/
if (diff_can_type(f_type1,
f_type2,
rank1,
rank2,
dims1,
dims2,
maxdim1,
maxdim2,
obj1_name,
obj2_name,
options)!=1)
{
cmp=0;
options->not_cmp=1;
}
/*-------------------------------------------------------------------------
* only attempt to compare if possible
*-------------------------------------------------------------------------
*/
if (cmp)
{
/*-------------------------------------------------------------------------
* get number of elements
*-------------------------------------------------------------------------
*/
nelmts1 = 1;
for (i = 0; i < rank1; i++)
{
nelmts1 *= dims1[i];
}
nelmts2 = 1;
for (i = 0; i < rank2; i++)
{
nelmts2 *= dims2[i];
}
/* only assert if the space is the same */
assert(nelmts1==nelmts2);
/*-------------------------------------------------------------------------
* memory type and sizes
*-------------------------------------------------------------------------
*/
if ((m_type1=h5tools_get_native_type(f_type1))<0)
goto error;
if ((m_type2=h5tools_get_native_type(f_type2))<0)
goto error;
m_size1 = H5Tget_size( m_type1 );
m_size2 = H5Tget_size( m_type2 );
#if defined (H5DIFF_DEBUG)
if (obj1_name)
print_sizes(obj1_name,obj2_name,f_type1,f_type2,m_type1,m_type2);
#endif
/*-------------------------------------------------------------------------
* check for different signed/unsigned types
*-------------------------------------------------------------------------
*/
sign1=H5Tget_sign(m_type1);
sign2=H5Tget_sign(m_type2);
if ( sign1 != sign2 )
{
if (options->m_verbose && obj1_name) {
parallel_print("Comparison not supported: <%s> has sign %s ", obj1_name, get_sign(sign1));
parallel_print("and <%s> has sign %s\n", obj2_name, get_sign(sign2));
}
cmp=0;
options->not_cmp=1;
}
/*-------------------------------------------------------------------------
* "upgrade" the smaller memory size
*-------------------------------------------------------------------------
*/
if ( m_size1 != m_size2 )
{
if ( m_size1 < m_size2 )
{
H5Tclose(m_type1);
if ((m_type1=h5tools_get_native_type(f_type2))<0)
goto error;
m_size1 = H5Tget_size( m_type1 );
}
else
{
H5Tclose(m_type2);
if ((m_type2=h5tools_get_native_type(f_type1))<0)
goto error;
m_size2 = H5Tget_size( m_type2 );
}
#if defined (H5DIFF_DEBUG)
printf("WARNING: Size was upgraded\n");
if (obj1_name)
print_sizes(obj1_name,obj2_name,f_type1,f_type2,m_type1,m_type2);
#endif
}
assert(m_size1==m_size2);
buf1 = (void *) HDmalloc((unsigned) (nelmts1*m_size1));
buf2 = (void *) HDmalloc((unsigned) (nelmts2*m_size2));
if ( buf1 == NULL || buf2 == NULL )
{
printf( "cannot read into memory\n" );
goto error;
}
/*-------------------------------------------------------------------------
* read
*-------------------------------------------------------------------------
*/
if ( H5Dread(dset1_id,m_type1,H5S_ALL,H5S_ALL,H5P_DEFAULT,buf1) < 0 )
goto error;
if ( H5Dread(dset2_id,m_type2,H5S_ALL,H5S_ALL,H5P_DEFAULT,buf2) < 0 )
goto error;
/*-------------------------------------------------------------------------
* array compare
*-------------------------------------------------------------------------
*/
if (obj1_name) {
name1=diff_basename(obj1_name);
}
if (obj2_name) {
name2=diff_basename(obj2_name);
}
nfound = diff_array(buf1,
buf2,
nelmts1,
rank1,
dims1,
options,
name1,
name2,
m_type1,
dset1_id,
dset2_id);
/*-------------------------------------------------------------------------
* compare attributes
* the if condition refers to cases when the dataset is a referenced object
*-------------------------------------------------------------------------
*/
if (obj1_name)
diff_attr(dset1_id,dset2_id,obj1_name,obj2_name,options);
}/*cmp*/
/*-------------------------------------------------------------------------
* close
*-------------------------------------------------------------------------
*/
if ( buf1) HDfree(buf1);
if ( buf2) HDfree(buf2);
/* close */
/* disable error reporting */
H5E_BEGIN_TRY {
H5Sclose(space1_id);
H5Sclose(space2_id);
H5Tclose(f_type1);
H5Tclose(f_type2);
H5Tclose(m_type1);
H5Tclose(m_type2);
/* enable error reporting */
} H5E_END_TRY;
return nfound;
error:
options->err_stat=1;
if ( buf1) HDfree(buf1);
if ( buf2) HDfree(buf2);
/* close */
/* disable error reporting */
H5E_BEGIN_TRY {
H5Sclose(space1_id);
H5Sclose(space2_id);
H5Tclose(f_type1);
H5Tclose(f_type2);
H5Tclose(m_type1);
H5Tclose(m_type2);
/* enable error reporting */
} H5E_END_TRY;
return nfound;
}
/*-------------------------------------------------------------------------
* Function: diff_can_type
*
* Purpose: check for comparable TYPE and SPACE
*
* Return:
* 1, can compare
* 0, cannot compare
* -1, error
*
* Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu
*
* Date: November 3, 2003
*
*-------------------------------------------------------------------------
*/
int diff_can_type( hid_t f_type1, /* file data type */
hid_t f_type2, /* file data type */
int rank1,
int rank2,
hsize_t *dims1,
hsize_t *dims2,
hsize_t *maxdim1,
hsize_t *maxdim2,
const char *obj1_name,
const char *obj2_name,
diff_opt_t *options )
{
H5T_class_t tclass1;
H5T_class_t tclass2;
int maxdim_diff=0; /* maximum dimensions are different */
int dim_diff=0; /* current dimensions are different */
int i;
/*-------------------------------------------------------------------------
* check for the same class
*-------------------------------------------------------------------------
*/
if ((tclass1=H5Tget_class(f_type1))<0)
return -1;
if ((tclass2=H5Tget_class(f_type2))<0)
return -1;
if ( tclass1 != tclass2 )
{
if (options->m_verbose && obj1_name) {
printf("Comparison not possible: <%s> is of class %s and <%s> is of class %s\n",
obj1_name, get_class(tclass1),
obj2_name, get_class(tclass2) );
}
return 0;
}
/*-------------------------------------------------------------------------
* check for non supported classes
*-------------------------------------------------------------------------
*/
assert(tclass1==tclass2);
switch (tclass1)
{
case H5T_INTEGER:
case H5T_FLOAT:
case H5T_COMPOUND:
case H5T_STRING:
case H5T_ARRAY:
case H5T_BITFIELD:
case H5T_OPAQUE:
case H5T_ENUM:
case H5T_VLEN:
case H5T_REFERENCE:
break;
default: /*H5T_TIME */
if (options->m_verbose && obj1_name )
printf("Comparison not supported: <%s> and <%s> are of class %s\n",
obj1_name,obj2_name,get_class(tclass2) );
return 0;
}
/*-------------------------------------------------------------------------
* check for equal file datatype; warning only
*-------------------------------------------------------------------------
*/
if ( (H5Tequal(f_type1, f_type2)==0) && options->m_verbose && obj1_name)
{
printf("Warning: Different storage datatype\n");
printf("<%s> has file datatype ", obj1_name);
print_type(f_type1);
printf("\n");
printf("<%s> has file datatype ", obj2_name);
print_type(f_type2);
printf("\n");
}
/*-------------------------------------------------------------------------
* check for the same rank
*-------------------------------------------------------------------------
*/
if ( rank1 != rank2 )
{
if (options->m_verbose && obj1_name) {
printf("Comparison not supported: <%s> has rank %d, dimensions ", obj1_name, rank1);
print_dims(rank1,dims1);
printf(", max dimensions ");
print_dims(rank1,maxdim1);
printf("\n" );
printf("<%s> has rank %d, dimensions ", obj2_name, rank2);
print_dims(rank2,dims2);
printf(", max dimensions ");
print_dims(rank2,maxdim2);
}
return 0;
}
/*-------------------------------------------------------------------------
* check for different dimensions
*-------------------------------------------------------------------------
*/
assert(rank1==rank2);
for ( i=0; i<rank1; i++)
{
if (maxdim1 && maxdim2)
{
if ( maxdim1[i] != maxdim2[i] )
maxdim_diff=1;
}
if ( dims1[i] != dims2[i] )
dim_diff=1;
}
/*-------------------------------------------------------------------------
* current dimensions
*-------------------------------------------------------------------------
*/
if (dim_diff==1)
{
if (options->m_verbose && obj1_name) {
printf("Comparison not supported: <%s> has rank %d, dimensions ", obj1_name, rank1);
print_dims(rank1,dims1);
if (maxdim1 && maxdim2) {
printf(", max dimensions ");
print_dims(rank1,maxdim1);
printf("\n" );
printf("<%s> has rank %d, dimensions ", obj2_name, rank2);
print_dims(rank2,dims2);
printf(", max dimensions ");
print_dims(rank2,maxdim2);
}
}
return 0;
}
/*-------------------------------------------------------------------------
* maximum dimensions; just give a warning
*-------------------------------------------------------------------------
*/
if (maxdim1 && maxdim2 && maxdim_diff==1 && obj1_name )
{
if (options->m_verbose) {
printf( "Warning: Different maximum dimensions\n");
printf("<%s> has max dimensions ", obj1_name);
print_dims(rank1,maxdim1);
printf("\n");
printf("<%s> has max dimensions ", obj2_name);
print_dims(rank2,maxdim2);
printf("\n");
}
}
return 1;
}