// See www.openfst.org for extensive documentation on this weighted
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// finite-state transducer library.
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#include <fst/script/fst-class.h>
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#include <fst/script/difference.h>
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#include <fst/script/script-impl.h>
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namespace fst {
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namespace script {
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void Difference(const FstClass &ifst1, const FstClass &ifst2,
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MutableFstClass *ofst, const ComposeOptions &opts) {
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if (!internal::ArcTypesMatch(ifst1, ifst2, "Difference") ||
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!internal::ArcTypesMatch(*ofst, ifst1, "Difference")) {
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ofst->SetProperties(kError, kError);
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return;
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}
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DifferenceArgs args(ifst1, ifst2, ofst, opts);
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Apply<Operation<DifferenceArgs>>("Difference", ifst1.ArcType(), &args);
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}
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REGISTER_FST_OPERATION(Difference, StdArc, DifferenceArgs);
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REGISTER_FST_OPERATION(Difference, LogArc, DifferenceArgs);
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REGISTER_FST_OPERATION(Difference, Log64Arc, DifferenceArgs);
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} // namespace script
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} // namespace fst
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