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gnss-sdr/tests/unit-tests/signal-processing-blocks/tracking/bayesian_estimation_test.cc

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/*!
* \file bayesian_estimation_test.cc
2019-07-20 10:55:46 +00:00
* \brief This file implements feasibility test for the BCE library.
* \author Gerald LaMountain, 2018. gerald(at)ece.neu.edu
*
*
2020-07-28 14:57:15 +00:00
* -----------------------------------------------------------------------------
*
* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
* This file is part of GNSS-SDR.
*
* Copyright (C) 2010-2020 (see AUTHORS file for a list of contributors)
* SPDX-License-Identifier: GPL-3.0-or-later
*
2020-07-28 14:57:15 +00:00
* -----------------------------------------------------------------------------
*/
#include "bayesian_estimation.h"
#include <armadillo>
#include <gtest/gtest.h>
#include <random>
#define BAYESIAN_TEST_N_TRIALS 100
#define BAYESIAN_TEST_ITER 10000
TEST(BayesianEstimationPositivityTest, BayesianPositivityTest)
{
Bayesian_estimator bayes;
arma::vec bayes_mu = arma::zeros(1, 1);
int bayes_nu = 0;
int bayes_kappa = 0;
arma::mat bayes_Psi = arma::ones(1, 1);
arma::vec input = arma::zeros(1, 1);
// -- Perform initializations ------------------------------
std::random_device r;
std::default_random_engine e1(r());
std::normal_distribution<float> normal_dist(0, 5);
for (int k = 0; k < BAYESIAN_TEST_N_TRIALS; k++)
{
bayes.init(bayes_mu, bayes_kappa, bayes_nu, bayes_Psi);
for (int n = 0; n < BAYESIAN_TEST_ITER; n++)
{
input(0) = static_cast<double>(normal_dist(e1));
bayes.update_sequential(input);
arma::mat output = bayes.get_Psi_est();
double output0 = output(0, 0);
ASSERT_EQ(output0 > 0.0, true);
}
}
}