Repatch (from linux) of OSX IRAF

1 files changed, 36 insertions, 0 deletions

diff --git a/noao/digiphot/daophot/daolib/dprdnoise.x b/noao/digiphot/daophot/daolib/dprdnoise.x
new file mode 100644
index 00000000..9e4baa3c
--- /dev/null
+++ b/noao/digiphot/daophot/daolib/dprdnoise.x
@@ -0,0 +1,36 @@
+include <imhdr.h>
+include "../lib/daophotdef.h"
+
+# DP_RDNOISE -  Read the readout noise value from the image header.
+
+procedure dp_rdnoise (im, dao)
+
+pointer	im		# pointer to IRAF image
+pointer	dao		# pointer to the daophot structure
+
+pointer	sp, key
+real	rdnoise
+real	imgetr(), dp_statr()
+
+begin
+	call smark (sp)
+	call salloc (key, SZ_FNAME, TY_CHAR)
+	call dp_stats (dao, CCDREAD, Memc[key], SZ_FNAME)
+	if (Memc[key] == EOS)
+	    rdnoise = dp_statr (dao, READNOISE)
+	else {
+	    iferr {
+	        rdnoise = imgetr (im, Memc[key])
+	    } then {
+		rdnoise = dp_statr (dao, READNOISE)
+		call eprintf ("Warning: Image %s  Keyword %s not found.\n")
+		    call pargstr (IM_HDRFILE(im))
+		    call pargstr (Memc[key])
+	    }
+	}
+	if (IS_INDEFR(rdnoise) || rdnoise <= 0.0)
+	    call dp_setr (dao, READNOISE, 0.0)
+	else
+	    call dp_setr (dao, READNOISE, rdnoise)
+	call sfree (sp)
+end