NAME
Gravity_bhNormalizeNode
SYNOPSIS
call Gravity_bhNormalizeNode( real(in) :: smr(MDIM), real(inout) :: node(:) )
DESCRIPTION
Called during tree build after all subnodes are added to this node. Finish calculation of the B2 coefficient, if present in the node.
ARGUMENTS
smr : sum of mass times position of subnodes node : array of the node