Add a class to represent Transition-based Alternating Automata (TAA).

* misc/Makefile.am, misc/bbop.cc, misc/bddop.hh: Factorize some
code on BDDs to compute all_acceptance_conditions from
neg_acceptance_condition.
* src/tgba/Makefile.am, src/tgbatest/Makefile.am: Adjust.
* src/tgba/taa.cc, src/tgba/taa.hh: The TAA class.
* src/tgba/tgbaexplicit.hh: Use the factorized code in bddop.hh.
* src/tgbatest/taa.cc, src/tgbatest/taa.test: Some test cases.

src/misc/Makefile.am

@@ -28,6 +28,7 @@ misc_HEADERS = \
   bareword.hh \
   bddalloc.hh \
   bddlt.hh \
+  bddop.hh \
   escape.hh \
   freelist.hh \
   hash.hh \
@@ -45,6 +46,7 @@ noinst_LTLIBRARIES = libmisc.la
 libmisc_la_SOURCES = \
   bareword.cc \
   bddalloc.cc \
+  bddop.cc \
   escape.cc \
   freelist.cc \
   memusage.cc \