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Diffstat (limited to 'kaldi_io/src/tools/openfst/include/fst/script/randequivalent.h')
-rw-r--r-- | kaldi_io/src/tools/openfst/include/fst/script/randequivalent.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/kaldi_io/src/tools/openfst/include/fst/script/randequivalent.h b/kaldi_io/src/tools/openfst/include/fst/script/randequivalent.h new file mode 100644 index 0000000..b929683 --- /dev/null +++ b/kaldi_io/src/tools/openfst/include/fst/script/randequivalent.h @@ -0,0 +1,105 @@ + +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// +// Copyright 2005-2010 Google, Inc. +// Author: [email protected] (Jake Ratkiewicz) + +#ifndef FST_SCRIPT_RANDEQUIVALENT_H_ +#define FST_SCRIPT_RANDEQUIVALENT_H_ + +#include <fst/script/arg-packs.h> +#include <fst/script/fst-class.h> +#include <fst/script/randgen.h> // for RandArcSelection +#include <fst/randequivalent.h> + +namespace fst { +namespace script { + +// 1 +typedef args::Package<const FstClass&, const FstClass&, + int32, float, int, int> RandEquivalentInnerArgs1; +typedef args::WithReturnValue<bool, + RandEquivalentInnerArgs1> RandEquivalentArgs1; + +template<class Arc> +void RandEquivalent(RandEquivalentArgs1 *args) { + const Fst<Arc> &fst1 = *(args->args.arg1.GetFst<Arc>()); + const Fst<Arc> &fst2 = *(args->args.arg2.GetFst<Arc>()); + + args->retval = RandEquivalent(fst1, fst2, args->args.arg3, args->args.arg4, + args->args.arg5, args->args.arg6); +} + +// 2 +typedef args::Package<const FstClass &, const FstClass &, int32, + ssize_t, float, + const RandGenOptions<RandArcSelection> &> + RandEquivalentInnerArgs2; + +typedef args::WithReturnValue<bool, + RandEquivalentInnerArgs2> RandEquivalentArgs2; + +template<class Arc> +void RandEquivalent(RandEquivalentArgs2 *args) { + const Fst<Arc> &fst1 = *(args->args.arg1.GetFst<Arc>()); + const Fst<Arc> &fst2 = *(args->args.arg2.GetFst<Arc>()); + const RandGenOptions<RandArcSelection> &opts = args->args.arg6; + int32 seed = args->args.arg3; + + if (opts.arc_selector == UNIFORM_ARC_SELECTOR) { + UniformArcSelector<Arc> arc_selector(seed); + RandGenOptions< UniformArcSelector<Arc> > + ropts(arc_selector, opts.max_length, opts.npath); + + args->retval = RandEquivalent(fst1, fst2, args->args.arg4, + args->args.arg5, ropts); + } else if (opts.arc_selector == FAST_LOG_PROB_ARC_SELECTOR) { + FastLogProbArcSelector<Arc> arc_selector(seed); + RandGenOptions< FastLogProbArcSelector<Arc> > + ropts(arc_selector, opts.max_length, opts.npath); + + args->retval = RandEquivalent(fst1, fst2, args->args.arg4, + args->args.arg5, ropts); + } else { + LogProbArcSelector<Arc> arc_selector(seed); + RandGenOptions< LogProbArcSelector<Arc> > + ropts(arc_selector, opts.max_length, opts.npath); + args->retval = RandEquivalent(fst1, fst2, args->args.arg4, + args->args.arg5, ropts); + } +} + + +// 1 +bool RandEquivalent(const FstClass &fst1, + const FstClass &fst2, + int32 seed = time(0), + ssize_t num_paths = 1, + float delta = fst::kDelta, + int path_length = INT_MAX); + +// 2 +bool RandEquivalent(const FstClass &fst1, + const FstClass &fst2, + int32 seed, + ssize_t num_paths, + float delta, + const fst::RandGenOptions< + fst::script::RandArcSelection> &opts); + +} // namespace script +} // namespace fst + + + +#endif // FST_SCRIPT_RANDEQUIVALENT_H_ |