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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include <syserr.h>
include "mwcs.h"
# MW_GLTERMR -- Get the current Lterm, single precision version.
procedure mw_gltermr (mw, ltm, ltv, ndim)
pointer mw #I pointer to MWCS descriptor
real ltm[ndim,ndim] #O linear transformation matrix
real 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_gltermr")
# Copy out the data. Default to a unitary transformation if the
# Lterm has not been initialized.
if (MI_LTM(mw) == NULL) {
call aclrr (ltm, ndim*ndim)
do i = 1, ndim
ltm[i,i] = 1.0
} else
call achtdr (D(mw,MI_LTM(mw)), ltm, ndim*ndim)
if (MI_LTV(mw) == NULL)
call aclrr (ltv, ndim)
else
call achtdr (D(mw,MI_LTV(mw)), ltv, ndim)
end
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