signal-test.cc
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// feat/signal-test.cc
// Copyright 2015 Tom Ko
// 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 "base/kaldi-common.h"
#include "util/common-utils.h"
#include "feat/signal.h"
namespace kaldi {
void UnitTestFFTbasedBlockConvolution() {
for (int32 i = 0; i < 5; i++) {
int32 signal_length = 400000 + Rand() % 40000;
int32 filter_length = 1000 + Rand() % 100;
Vector<BaseFloat> signal(signal_length);
Vector<BaseFloat> filter(filter_length);
signal.SetRandn();
filter.SetRandn();
Vector<BaseFloat> signal_test(signal);
FFTbasedConvolveSignals(filter, &signal_test);
FFTbasedBlockConvolveSignals(filter, &signal);
AssertEqual(signal, signal_test, 0.000001 * signal.Dim());
}
}
void UnitTestFFTbasedConvolution() {
for (int32 i = 0; i < 5; i++) {
int32 signal_length = 4000 + Rand() % 400;
int32 filter_length = 10 + Rand() % 10;
Vector<BaseFloat> signal(signal_length);
Vector<BaseFloat> filter(filter_length);
signal.SetRandn();
filter.SetRandn();
Vector<BaseFloat> signal_test(signal);
ConvolveSignals(filter, &signal_test);
FFTbasedConvolveSignals(filter, &signal);
AssertEqual(signal, signal_test, 0.0001 * signal.Dim());
}
}
}
int main() {
using namespace kaldi;
UnitTestFFTbasedConvolution();
UnitTestFFTbasedBlockConvolution();
KALDI_LOG << "Tests succeeded.";
}