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src/fstext/prune-special-test.cc
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// fstext/prune-special-test.cc
// Copyright 2014 Guoguo Chen
// See ../../COPYING for clarification regarding multiple authors
//
// 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
//
// THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
// WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
// MERCHANTABLITY OR NON-INFRINGEMENT.
// See the Apache 2 License for the specific language governing permissions and
// limitations under the License.
#include "fstext/prune-special.h"
#include "fstext/rand-fst.h"
#include "fstext/fstext-utils.h"
namespace fst {
static void TestPruneSpecial() {
typedef StdArc Arc;
typedef Arc::Label Label;
typedef Arc::StateId StateId;
typedef Arc::Weight Weight;
RandFstOptions opts;
opts.acyclic = false;
VectorFst<Arc> *ifst = RandFst<StdArc>(opts);
float beam = 0.55;
{
FstPrinter<Arc> fstprinter(*ifst, NULL, NULL, NULL, false, true, "\t");
fstprinter.Print(&std::cout, "standard output");
std::cout << endl;
}
// Do the special pruning.
VectorFst<Arc> ofst1;
PruneSpecial<StdArc>(*ifst, &ofst1, beam);
{
FstPrinter<Arc> fstprinter(ofst1, NULL, NULL, NULL, false, true, "\t");
fstprinter.Print(&std::cout, "standard output");
std::cout << endl;
}
// Do the normal pruning.
VectorFst<Arc> ofst2;
Prune(*ifst, &ofst2, beam);
{
FstPrinter<Arc> fstprinter(ofst2, NULL, NULL, NULL, false, true, "\t");
fstprinter.Print(&std::cout, "standard output");
std::cout << endl;
}
KALDI_ASSERT(RandEquivalent(ofst1, ofst2,
5/*paths*/, 0.01/*delta*/, kaldi::Rand()/*seed*/,
100/*path length-- max?*/));
delete ifst;
}
} // namespace fst
int main() {
kaldi::g_kaldi_verbose_level = 4;
using namespace fst;
for (int i = 0; i < 25; i++) {
TestPruneSpecial();
}
}
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