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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);

• 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.

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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