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1 files changed, 34 insertions, 0 deletions

diff --git a/sys/mwcs/mwsltermd.x b/sys/mwcs/mwsltermd.x
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+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<syserr.h>
+include	"mwcs.h"
+
+# MW_SLTERMD -- Set the Lterm, double precision version.  Since all floating
+# data is stored as double internally, we merely copy the data in.
+
+procedure mw_sltermd (mw, ltm, ltv, ndim)
+
+pointer	mw			#I pointer to MWCS descriptor
+double	ltm[ndim,ndim]		#I linear transformation matrix
+double	ltv[ndim]		#I translation vector
+int	ndim			#I dimensionality of system
+
+pointer	mw_allocd()
+errchk	syserrs, mw_allocd
+
+begin
+	# The dimensionality of the data must match that of the current Lterm.
+	if (ndim != MI_NDIM(mw))
+	    call syserrs (SYS_MWNDIM, "mw_sltermd")
+
+	# Copy in the data.  Cobber the old data if the Lterm has been set,
+	# otherwise allocate space in the global data area.
+
+	if (MI_LTM(mw) == NULL)
+	    MI_LTM(mw) = mw_allocd (mw, ndim*ndim)
+	call amovd (ltm, D(mw,MI_LTM(mw)), ndim*ndim)
+
+	if (MI_LTV(mw) == NULL)
+	    MI_LTV(mw) = mw_allocd (mw, ndim)
+	call amovd (ltv, D(mw,MI_LTV(mw)), ndim)
+end