Repatch (from linux) of OSX IRAF

1 files changed, 39 insertions, 0 deletions

diff --git a/sys/plio/plglls.x b/sys/plio/plglls.x
new file mode 100644
index 00000000..aaae0e42
--- /dev/null
+++ b/sys/plio/plglls.x
@@ -0,0 +1,39 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<plio.h>
+
+# PL_GLLS -- Get a line segment as a list list, applying the given ROP to
+# combine the pixels with those of the output line list.
+
+procedure pl_glls (pl, v, ll_dst, ll_depth, npix, rop)
+
+pointer	pl			#I mask descriptor
+long	v[PL_MAXDIM]		#I vector coords of line segment
+short	ll_dst[ARB]		#O output line list
+int	ll_depth		#I line list depth, bits
+int	npix			#I number of pixels desired
+int	rop			#I rasterop
+
+int	ll_len
+pointer	sp, ll_out, ll_src
+pointer	pl_access()
+errchk	pl_access
+
+begin
+	ll_src = pl_access (pl,v)
+	if (!R_NEED_DST(rop) && v[1] == 1 && npix == PL_AXLEN(pl,1)) {
+	    ll_len = LP_LEN(ll_src)
+	    call amovs (Mems[ll_src], ll_dst, ll_len)
+
+	} else {
+	    call smark (sp)
+	    call salloc (ll_out, LL_MAXLEN(pl), TY_SHORT)
+
+	    call pl_linerop (Mems[ll_src], v[1], PL_MAXVAL(pl), ll_dst, 1,
+		MV(ll_depth), Mems[ll_out], npix, rop)
+	    ll_len = LP_LEN(ll_out)
+	    call amovs (Mems[ll_out], ll_dst, ll_len)
+
+	    call sfree (sp)
+	}
+end