working on 1st tr step, building matrix and solve.
finish verify first step.
finish the flow of transient verification. Need to clean functions.
before using separate stamp A and bp.
before replaing independent stamp_A and bp in tr steps.
make independent stamp A and b.
move make_A_symmetric out of stamp function.
delete old_current member in ldo.h
add ckt_l.build_pad_set() when creating new LDOs.
remove bnewp.
clear some compiling warnings.
finish the modification in the flow. Need to perform test.