The estimation of the initial time step requires the advance of the
system by one step. This, however, alters the primitive variables of
data blocks. Restore the primitive variables to the initial state, once
the initial time step has been estimated, in order to solve this
inconsistency.
Signed-off-by: Grzegorz Kowal <grzegorz@amuncode.org>
Grzegorz Kowal
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