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tools/openfst-1.6.7/src/extensions/special/phi-fst.cc
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// See www.openfst.org for extensive documentation on this weighted
// finite-state transducer library.
#include <fst/fst.h>
#include <fst/extensions/special/phi-fst.h>
DEFINE_int64(phi_fst_phi_label, 0,
"Label of transitions to be interpreted as phi ('failure') "
"transitions");
DEFINE_bool(phi_fst_phi_loop, true,
"When true, a phi self loop consumes a symbol");
DEFINE_string(phi_fst_rewrite_mode, "auto",
"Rewrite both sides when matching? One of:"
" \"auto\" (rewrite iff acceptor), \"always\", \"never\"");
namespace fst {
const char phi_fst_type[] = "phi";
const char input_phi_fst_type[] = "input_phi";
const char output_phi_fst_type[] = "output_phi";
static FstRegisterer<StdPhiFst> PhiFst_StdArc_registerer;
static FstRegisterer<LogPhiFst> PhiFst_LogArc_registerer;
static FstRegisterer<Log64PhiFst> PhiFst_Log64Arc_registerer;
static FstRegisterer<StdInputPhiFst> InputPhiFst_StdArc_registerer;
static FstRegisterer<LogInputPhiFst> InputPhiFst_LogArc_registerer;
static FstRegisterer<Log64InputPhiFst> InputPhiFst_Log64Arc_registerer;
static FstRegisterer<StdOutputPhiFst> OutputPhiFst_StdArc_registerer;
static FstRegisterer<LogOutputPhiFst> OutputPhiFst_LogArc_registerer;
static FstRegisterer<Log64OutputPhiFst> OutputPhiFst_Log64Arc_registerer;
} // namespace fst
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