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/*============================================================================
WCSLIB 7.12 - an implementation of the FITS WCS standard.
Copyright (C) 1995-2022, Mark Calabretta
This file is part of WCSLIB.
WCSLIB is free software: you can redistribute it and/or modify it under the
terms of the GNU Lesser General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option)
any later version.
WCSLIB is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
more details.
You should have received a copy of the GNU Lesser General Public License
along with WCSLIB. If not, see http://www.gnu.org/licenses.
Author: Mark Calabretta, Australia Telescope National Facility, CSIRO,
and: Michael Droetboom, Space Telescope Science Institute
http://www.atnf.csiro.au/people/Mark.Calabretta
$Id: twcscompare.c,v 7.12 2022/09/09 04:57:58 mcalabre Exp $
*=============================================================================
*
* Test wcscompare().
*
*---------------------------------------------------------------------------*/
#include <stdio.h>
#include <string.h>
#include <wcs.h>
int main()
{
int cmp, equal, status;
struct wcsprm a, b;
printf(
"Testing WCSLIB comparison routine (twcscompare.c)\n"
"-------------------------------------------------\n");
a.flag = -1;
b.flag = -1;
wcsini(1, 2, &a);
wcsini(1, 2, &b);
if ((status = wcscompare(0, 0.0, &a, &b, &equal))) {
printf("wcscompare ERROR %d: %s.\n", status, wcs_errmsg[status]);
return 1;
} else if (!equal) {
printf("FAIL: Equal wcsprms tested unequal.\n");
return 1;
}
strncpy(b.dateobs, "2014-01-01T00:00:00", 72);
if ((status = wcscompare(0, 0.0, &a, &b, &equal))) {
printf("wcscompare ERROR %d: %s.\n", status, wcs_errmsg[status]);
return 1;
} else if (equal) {
printf("FAIL: Unequal wcsprms tested equal.\n");
return 1;
}
if ((status = wcscompare(WCSCOMPARE_ANCILLARY, 0.0, &a, &b, &equal))) {
printf("wcscompare ERROR %d: %s.\n", status, wcs_errmsg[status]);
return 1;
} else if (!equal) {
printf("FAIL: Ancillary keyword not ignored.\n");
return 1;
}
b.crpix[0] = 12.5;
b.crpix[1] = 12.5;
if ((status = wcscompare(WCSCOMPARE_ANCILLARY, 0.0, &a, &b, &equal))) {
printf("wcscompare ERROR %d: %s.\n", status, wcs_errmsg[status]);
return 1;
} else if (equal) {
printf("FAIL: Unequal wcsprms tested equal.\n");
return 1;
}
cmp = WCSCOMPARE_ANCILLARY | WCSCOMPARE_TILING;
if ((status = wcscompare(cmp, 0.0, &a, &b, &equal))) {
printf("wcscompare ERROR %d: %s.\n", status, wcs_errmsg[status]);
return 1;
} else if (equal) {
printf("FAIL: Non-integral translation equates as a tiling.\n");
return 1;
}
cmp = WCSCOMPARE_ANCILLARY | WCSCOMPARE_CRPIX;
if ((status = wcscompare(cmp, 0.0, &a, &b, &equal))) {
printf("wcscompare ERROR %d: %s.\n", status, wcs_errmsg[status]);
return 1;
} else if (!equal) {
printf("FAIL: Translation not ignored.\n");
return 1;
}
printf("\nPASS: All comparisons returned as expected.\n");
wcsfree(&a);
wcsfree(&b);
return 0;
}
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