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Title: headset
NAME
====
ft_headsetl,ft_headseti,ft_headsetr,ft_headsets -Fitsy FITS header set routines.
SYNOPSIS
========
-
FITSCard ft_headsetl(FITSHead fits, char *name, int n, int lvalue, char *comm);
FITSCard ft_headseti(FITSHead fits, char *name, int n, int ivalue, char *comm);
FITSCard ft_headsetr(FITSHead fits, char *name, int n, double rvalue, int prec, char *comm);
FITSCard ft_headsets(FITSHead fits, char *name, int n, char *svalue, char *comm);
-
PARAMETERS
==========
* #"FITSHead fits" - FITS header to search in.
* #"char *name" - keyword name.
* #"int n" - keyword index number, if is zero no
index number is appended to the keyword.
* #"int lvalue" - Logical to format as a FITS value.
* #"char *comm" - Comment for the card.
* #"int ivalue" - Integer to format as a FITS value.
* #"double rvalue" - Double to format as a FITS value.
* #"int prec" - The value is formatted
at this precision.
* #"char *svalue" - String to format as a FITS value.
DESCRIPTION
===========
ft_headsetl
-----------
Find a FITS card in the header and format a logical value into it.
ft_headseti
-----------
Find a FITS card in the header and format a logical value into it.
ft_headsetr
-----------
Find a FITS card in the header and format a logical value into it.
ft_headsets
-----------
Find a FITS card in the header and format a logical value into it.
EXAMPLES
========
Set the value part of a card in a header:
+
int i = 15;
double d = 34.7;
char *c = "Shutter";
FITSCard fits;
FITSCard card;
card = #ft_headsetl(fits, "Cosmic", 0, 1, "Removed Cosimics (silver bullet method)");
card = #ft_headseti(fits, "IValue" , 0, i, "15 is the number");
card = #ft_headsetr(fits, "Gain", 1, d, 2, "GAIN1");
card = #ft_headsetr(fits, "Gain", 2, d, 2, "GAIN2");
card = #ft_headsets(fits, "XHIST", 1, "Xray processed!", NULL);
/* In this example the special pointer #ft_comment is used to
use the existing comment in the card.
*-/
card = #ft_headsets(fits, "FILTER", 0, "V", ft_comment);
+
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