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https://github.com/gnss-sdr/gnss-sdr
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56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
/*!
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* \file bayesian_estimation_test.cc
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* \brief This file implements feasibility test for the BCE library.
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* \author Gerald LaMountain, 2018. gerald(at)ece.neu.edu
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*
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*
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* -----------------------------------------------------------------------------
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*
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* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
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* This file is part of GNSS-SDR.
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*
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* Copyright (C) 2010-2020 (see AUTHORS file for a list of contributors)
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* SPDX-License-Identifier: GPL-3.0-or-later
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*
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* -----------------------------------------------------------------------------
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*/
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#include "bayesian_estimation.h"
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#include <armadillo>
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#include <gtest/gtest.h>
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#include <random>
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#define BAYESIAN_TEST_N_TRIALS 100
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#define BAYESIAN_TEST_ITER 10000
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TEST(BayesianEstimationPositivityTest, BayesianPositivityTest)
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{
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Bayesian_estimator bayes;
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arma::vec bayes_mu = arma::zeros(1, 1);
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int bayes_nu = 0;
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int bayes_kappa = 0;
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arma::mat bayes_Psi = arma::ones(1, 1);
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arma::vec input = arma::zeros(1, 1);
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// -- Perform initializations ------------------------------
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std::random_device r;
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std::default_random_engine e1(r());
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std::normal_distribution<float> normal_dist(0, 5);
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for (int k = 0; k < BAYESIAN_TEST_N_TRIALS; k++)
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{
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bayes.init(bayes_mu, bayes_kappa, bayes_nu, bayes_Psi);
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for (int n = 0; n < BAYESIAN_TEST_ITER; n++)
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{
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input(0) = static_cast<double>(normal_dist(e1));
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bayes.update_sequential(input);
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arma::mat output = bayes.get_Psi_est();
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double output0 = output(0, 0);
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ASSERT_EQ(output0 > 0.0, true);
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}
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}
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}
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