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datDsame.c
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datDsame.c
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/*
*+
* Name:
* datDsame
* Purpose:
* Check if two primitive objects use the same data representation.
* Language:
* Starlink ANSI C
* Type of Module:
* Library routine
* Invocation:
* datDsame( const HDSLoc *loc1, const HDSLoc *loc2, hdsbool_t *same,
* int *status);
* Arguments:
* loc1 = const HDSLoc * (Given)
* First primitive object locator.
* loc2 = const HDSLoc * (Given)
* Second primitive object locator.
* same = hdsbool_t * (Returned)
* Set to true if and only if the two supplied objects use
* the same data representation.
* status = int* (Given and Returned)
* Pointer to global status.
* Description:
* The routine returns a flag indicating if the two supplied primitive
* objects use the same data representation. See also datDrep.
* Authors:
* DSB: David S. Berry (EAO):
* {enter_new_authors_here}
* History:
* 2019-01-08 (DSB):
* Initial version
* {enter_further_changes_here}
* Copyright:
* Copyright (C) 2019 East Asian Observatory
* All Rights Reserved.
* Licence:
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* - Neither the name of the {organization} nor the names of its
* contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
* Bugs:
* {note_any_bugs_here}
*-
*/
#include "hdf5.h"
#include "ems.h"
#include "sae_par.h"
#include "hds1.h"
#include "dat1.h"
#include "hds.h"
#include "dat_err.h"
int
datDsame(const HDSLoc *loc1, const HDSLoc *loc2, hdsbool_t *same, int *status) {
/* Local Variables: */
hdsbool_t prim;
hid_t h5type1 = 0;
hid_t h5type2 = 0;
/* Initialise. */
*same = HDS_FALSE;
/* Check inherited status */
if (*status != SAI__OK) return *status;
/* Validate input locators. */
dat1ValidateLocator( "datDsame", 1, loc1, 1, status );
dat1ValidateLocator( "datDsame", 1, loc2, 1, status );
/* Check they are both primitive. */
datPrim( loc1, &prim, status );
if( !prim && *status == SAI__OK ) {
*status = DAT__NOTPR;
datMsg( "O", loc1 );
emsRepf( " ", "datDsame: The first supplied HDS object ('^O') is "
"not primitive (programming error).", status );
}
datPrim( loc2, &prim, status );
if( !prim && *status == SAI__OK ) {
*status = DAT__NOTPR;
datMsg( "O", loc2 );
emsRepf( " ", "datDsame: The second supplied HDS object ('^O') is "
"not primitive (programming error).", status );
}
/* Get the two HDF5 data type objects. */
CALLHDFE( hid_t, h5type1,
H5Dget_type( loc1->dataset_id ),
DAT__HDF5E,
emsRep("datDsame_type", "datDsame: Error obtaining data type "
"of first dataset", status) );
CALLHDFE( hid_t, h5type2,
H5Dget_type( loc2->dataset_id ),
DAT__HDF5E,
emsRep("datDsame_type", "datDsame: Error obtaining data type "
"of second dataset", status) );
/* See if they are the same. */
if( *status == SAI__OK && H5Tequal( h5type1, h5type2 ) ) {
*same = HDS_TRUE;
}
/* Free resources */
H5Tclose( h5type1 );
H5Tclose( h5type2 );
CLEANUP:
return *status;
}