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/* Find and return values from a FITS header.
EXAMPLES
+
FITSHead fits;
FITSCard card;
int simple;
int ax1, ax2;
/-* Look up the SIMPLE card in the header and see if its is
True. If it's not found return False.
*-/
simple = #ft_headgetl(fits, "SIMPLE", 0, 0, &card);
/-* Look up the NAXIS1 and NAXIS2 cards in the header
if a card is not found return 0.
*-/
ax1 = #ft_headgeti(fits, "NAXIS", 1, 0, &card);
ax2 = #ft_headgeti(fits, "NAXIS", 2, 0, &card);
+
*/
#include <fitsy.h>
/* Find and return the value of a FITS card as a static string.
*/
char *ft_headget(fits, name, n, card)
FITSHead fits; /* The FITS header to search. */
char *name; /* Name of the card keyword to search for. */
int n; /* keyword index number, if is zero no
index number is appended to the keyword.
*/
FITSCard *card; /* The FITS card that was found. */
{
return ft_cardget(*(card) = ft_headfind(fits, name, n, 0));
}
/* Find and return the value of a FITS card as a logical.
*/
int ft_headgetl(fits, name, n, ldefault, card)
FITSHead fits;
char *name;
int n;
int ldefault; /* Default logical value to return. */
FITSCard *card;
{
FITSCard C;
if ( card == NULL ) card = &C;
return ( (*(card) = ft_headfind(fits, name, n, 0)) ?
ft_cardgetl(*(card)) : (int)(ldefault) );
}
/* Find and return the value of a FITS card as an integer.
*/
int ft_headgeti(fits, name, n, idefault, card)
FITSHead fits;
char *name;
int n;
int idefault; /* Default integer value to return. */
FITSCard *card;
{
FITSCard C;
if ( card == NULL ) card = &C;
return ( (*(card) = ft_headfind(fits, name, n, 0)) ?
ft_cardgeti(*(card)) : (int)(idefault) );
}
/* Find and return the value of a FITS card as an integer.
*/
longlong ft_headgetil(fits, name, n, idefault, card)
FITSHead fits;
char *name;
int n;
longlong idefault; /* Default integer value to return. */
FITSCard *card;
{
FITSCard C;
if ( card == NULL ) card = &C;
return ( (*(card) = ft_headfind(fits, name, n, 0)) ?
ft_cardgetil(*(card)) : (longlong)(idefault) );
}
/* Find and return the value of a FITS card as a real.
*/
double ft_headgetr(fits, name, n, ddefault, card)
FITSHead fits;
char *name;
int n;
double ddefault; /* Default real value to return. */
FITSCard *card;
{
FITSCard C;
if ( card == NULL ) card = &C;
return ( (*(card) = ft_headfind(fits, name, n, 0)) ?
ft_cardgetr(*(card)) : (double)(ddefault) );
}
/* Find and return the value of a FITS card as a allocated string.
*/
char *ft_headgets(fits, name, n, sdefault, card)
FITSHead fits;
char *name;
int n;
char *sdefault; /* Default string value to return. */
FITSCard *card;
{
FITSCard C;
if ( card == NULL ) card = &C;
return ( (*(card) = ft_headfind(fits, name, n, 0)) ?
ft_cardgets(*(card)) : (sdefault == NULL
? NULL
: (char *)strdup(sdefault)) );
}
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