Repatch (from linux) of OSX IRAF

1 files changed, 37 insertions, 0 deletions

diff --git a/sys/mwcs/mwgltermd.x b/sys/mwcs/mwgltermd.x
new file mode 100644
index 00000000..e2db0c0d
--- /dev/null
+++ b/sys/mwcs/mwgltermd.x
@@ -0,0 +1,37 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<syserr.h>
+include	"mwcs.h"
+
+# MW_GLTERMD -- Get the current Lterm, double precision version.
+
+procedure mw_gltermd (mw, ltm, ltv, ndim)
+
+pointer	mw			#I pointer to MWCS descriptor
+double	ltm[ndim,ndim]		#O linear transformation matrix
+double	ltv[ndim]		#O translation vector
+int	ndim			#I dimensionality of system
+
+int	i
+errchk	syserrs
+
+begin
+	# The dimensionality of the data must match that of the current Lterm.
+	if (ndim != MI_NDIM(mw))
+	    call syserrs (SYS_MWNDIM, "mw_gltermd")
+
+	# Copy out the data.  Default to a unitary transformation if the
+	# Lterm has not been initialized.
+
+	if (MI_LTM(mw) == NULL) {
+	    call aclrd (ltm, ndim*ndim)
+	    do i = 1, ndim
+		ltm[i,i] = 1.0D0
+	} else
+	    call amovd (D(mw,MI_LTM(mw)), ltm, ndim*ndim)
+
+	if (MI_LTV(mw) == NULL)
+	    call aclrd (ltv, ndim)
+	else
+	    call amovd (D(mw,MI_LTV(mw)), ltv, ndim)
+end