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# GT_UPDATE -- Delete points currently marked for deletion and update data
procedure gt_update (tp, tpr, x, y, deleted, npix)
pointer tp, tpr
real x[ARB]
real y[ARB]
int npix
int deleted[ARB]
int i, j, ndelete
begin
# Delete the points
call gt_dodel (tp, tpr, deleted, npix)
# Update data arrays j = 0
ndelete = 0
for (i = 1; i <= npix; i = i + 1) {
j = j + 1
if (deleted[i] == YES) {
ndelete = ndelete + 1
i = i + 1
while (deleted[i] == YES) {
ndelete = ndelete + 1
i = i + 1
}
}
x[j] = x[i]
y[j] = y[i]
}
call aclri (deleted, npix)
npix = npix - ndelete
end
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