in designing the new rtree
in the process of testing new RTree
rtree has flaws, fixing now
rewrite rtree and update get_rtree() in netlist classes
in the process of adopting the new RTree classes
add signal extraction methods in the RTree classes
seqblock.cpp has been modified
the new rtree classes have passed compiler
add stream function to the RTree classes
in debugging rtree
fix errors in RangeMap::streamout() and RangeMap::toRange()
the new RTree class is used to generate SDFG for PMerge
ready to combine with master
Merge branch 'datapath' into dev