Repatch (from linux) of OSX IRAF

1 files changed, 37 insertions, 0 deletions

diff --git a/noao/digiphot/apphot/aplib/appadu.x b/noao/digiphot/apphot/aplib/appadu.x
new file mode 100644
index 00000000..121decaf
--- /dev/null
+++ b/noao/digiphot/apphot/aplib/appadu.x
@@ -0,0 +1,37 @@
+include <imhdr.h>
+include "../lib/noise.h"
+
+# AP_PADU -- Procedure to set the gain parameter for the noise model
+# computation.
+
+procedure ap_padu (im, ap)
+
+pointer	im		# pointer to IRAF image
+pointer	ap		# pointer to apphot structure
+
+pointer	sp, key
+real	padu
+real	imgetr(), apstatr()
+
+begin
+	call smark (sp)
+	call salloc (key, SZ_FNAME, TY_CHAR)
+	call apstats (ap, GAIN, Memc[key], SZ_FNAME)
+	if (Memc[key] == EOS)
+	    padu = apstatr (ap, EPADU)
+	else {
+	    iferr {
+	        padu = imgetr (im, Memc[key])
+	    } then {
+		padu = apstatr (ap, EPADU)
+		call eprintf ("Warning: Image %s  Keyword %s not found.\n")
+		    call pargstr (IM_HDRFILE(im))
+		    call pargstr (Memc[key])
+	    }
+	}
+	if (IS_INDEFR(padu) || padu <= 0.0)
+	    call apsetr (ap, EPADU, 1.0)
+	else
+	    call apsetr (ap, EPADU, padu)
+	call sfree (sp)
+end