Keywords: cuddIntro

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## CUDD Friends

Two CUDD extensions are available via anonymous FTP from vlsi.Colorado.EDU.

- PerlDD is an object-oriented Perl5 interface to CUDD. It is organized as a standard Perl extension module. The Perl interface is at a somewhat higher level than the C++ interface, but it is not as complete.
- DDcal is a graphic BDD calculator based on CUDD, Perl-Tk, and dot. (See Section 3.18 for information on dot.)