pmd=$1.pmd
grep logic_function $pmd | \
  cut -f 3 -d' ' | \
  sed "s|^\([^ ][^ ]*\)'|(not \1)|" | \
  sed "s|^\([(*+^][(*+^]*\)'|(not \1)|" | \
  sed 's|^.*$|let pz = $vdd * & - $vdd - 0.3|'

