mirror of
https://github.com/gnss-sdr/gnss-sdr
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118 lines
3.8 KiB
C++
118 lines
3.8 KiB
C++
/*!
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* \file code_generation_test.cc
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* \brief This file implements tests for the generation of complex exponentials.
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* \author Carles Fernandez-Prades, 2014. cfernandez(at)cttc.es
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*
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*
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* -------------------------------------------------------------------------
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*
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* Copyright (C) 2010-2018 (see AUTHORS file for a list of contributors)
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*
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* GNSS-SDR is a software defined Global Navigation
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* Satellite Systems receiver
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*
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* This file is part of GNSS-SDR.
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*
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* GNSS-SDR is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GNSS-SDR is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNSS-SDR. If not, see <https://www.gnu.org/licenses/>.
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*
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* -------------------------------------------------------------------------
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*/
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#include <chrono>
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#include <complex>
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#include "gps_sdr_signal_processing.h"
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#include "gnss_signal_processing.h"
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TEST(CodeGenerationTest, CodeGenGPSL1Test)
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{
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std::complex<float>* _dest = new std::complex<float>[1023];
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signed int _prn = 1;
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unsigned int _chip_shift = 4;
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int iterations = 1000;
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std::chrono::time_point<std::chrono::system_clock> start, end;
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start = std::chrono::system_clock::now();
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for (int i = 0; i < iterations; i++)
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{
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gps_l1_ca_code_gen_complex(_dest, _prn, _chip_shift);
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}
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end = std::chrono::system_clock::now();
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std::chrono::duration<double> elapsed_seconds = end - start;
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delete[] _dest;
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ASSERT_LE(0, elapsed_seconds.count());
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std::cout << "Generation completed in " << elapsed_seconds.count() * 1e6 << " microseconds" << std::endl;
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}
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TEST(CodeGenerationTest, CodeGenGPSL1SampledTest)
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{
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signed int _prn = 1;
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unsigned int _chip_shift = 4;
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double _fs = 8000000.0;
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const signed int _codeFreqBasis = 1023000; //Hz
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const signed int _codeLength = 1023;
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int _samplesPerCode = round(_fs / static_cast<double>(_codeFreqBasis / _codeLength));
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std::complex<float>* _dest = new std::complex<float>[_samplesPerCode];
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int iterations = 1000;
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std::chrono::time_point<std::chrono::system_clock> start, end;
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start = std::chrono::system_clock::now();
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for (int i = 0; i < iterations; i++)
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{
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gps_l1_ca_code_gen_complex_sampled(_dest, _prn, _fs, _chip_shift);
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}
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end = std::chrono::system_clock::now();
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std::chrono::duration<double> elapsed_seconds = end - start;
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delete[] _dest;
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ASSERT_LE(0, elapsed_seconds.count());
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std::cout << "Generation completed in " << elapsed_seconds.count() * 1e6 << " microseconds" << std::endl;
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}
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TEST(CodeGenerationTest, ComplexConjugateTest)
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{
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double _fs = 8000000.0;
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double _f = 4000.0;
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const signed int _codeFreqBasis = 1023000; //Hz
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const signed int _codeLength = 1023;
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int _samplesPerCode = round(_fs / static_cast<double>(_codeFreqBasis / _codeLength));
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std::complex<float>* _dest = new std::complex<float>[_samplesPerCode];
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int iterations = 1000;
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std::chrono::time_point<std::chrono::system_clock> start, end;
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start = std::chrono::system_clock::now();
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for (int i = 0; i < iterations; i++)
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{
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complex_exp_gen_conj(_dest, _f, _fs, _samplesPerCode);
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}
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end = std::chrono::system_clock::now();
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std::chrono::duration<double> elapsed_seconds = end - start;
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delete[] _dest;
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ASSERT_LE(0, elapsed_seconds.count());
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std::cout << "Generation completed in " << elapsed_seconds.count() * 1e6 << " microseconds" << std::endl;
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}
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