// fstext/prune-special-test.cc
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// Copyright 2014 Guoguo Chen
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// See ../../COPYING for clarification regarding multiple authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
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// WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
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// MERCHANTABLITY OR NON-INFRINGEMENT.
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// See the Apache 2 License for the specific language governing permissions and
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// limitations under the License.
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#include "fstext/prune-special.h"
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#include "fstext/rand-fst.h"
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#include "fstext/fstext-utils.h"
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namespace fst {
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static void TestPruneSpecial() {
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typedef StdArc Arc;
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typedef Arc::Label Label;
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typedef Arc::StateId StateId;
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typedef Arc::Weight Weight;
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RandFstOptions opts;
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opts.acyclic = false;
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VectorFst<Arc> *ifst = RandFst<StdArc>(opts);
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float beam = 0.55;
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{
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FstPrinter<Arc> fstprinter(*ifst, NULL, NULL, NULL, false, true, "\t");
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fstprinter.Print(&std::cout, "standard output");
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std::cout << std::endl;
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}
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// Do the special pruning.
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VectorFst<Arc> ofst1;
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PruneSpecial<StdArc>(*ifst, &ofst1, beam);
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{
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FstPrinter<Arc> fstprinter(ofst1, NULL, NULL, NULL, false, true, "\t");
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fstprinter.Print(&std::cout, "standard output");
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std::cout << std::endl;
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}
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// Do the normal pruning.
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VectorFst<Arc> ofst2;
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Prune(*ifst, &ofst2, beam);
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{
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FstPrinter<Arc> fstprinter(ofst2, NULL, NULL, NULL, false, true, "\t");
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fstprinter.Print(&std::cout, "standard output");
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std::cout << std::endl;
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}
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KALDI_ASSERT(RandEquivalent(ofst1, ofst2,
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5/*paths*/, 0.01/*delta*/, kaldi::Rand()/*seed*/,
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100/*path length-- max?*/));
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delete ifst;
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}
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} // namespace fst
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int main() {
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kaldi::g_kaldi_verbose_level = 4;
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using namespace fst;
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for (int i = 0; i < 25; i++) {
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TestPruneSpecial();
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}
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}
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