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/*!
* \file
* \brief Bessel test program
* \author Tony Ottosson
*
* -------------------------------------------------------------------------
*
* Copyright (C) 1995-2010 (see AUTHORS file for a list of contributors)
*
* This file is part of IT++ - a C++ library of mathematical, signal
* processing, speech processing, and communications classes and functions.
*
* IT++ is free software: you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* IT++ is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along
* with IT++. If not, see <http://www.gnu.org/licenses/>.
*
* -------------------------------------------------------------------------
*/
#include <itpp/itbase.h>
#include <iomanip>
using namespace std;
using namespace itpp;
int main(void)
{
cout << "================================" << endl;
cout << " Test of bessel functions " << endl;
cout << "================================" << endl;
vec x = linspace(0.01, 10, 20);
cout << "x = " << x << endl;
cout << "besselj(0, x) = " << fixed << besselj(0, x) << endl;
cout << "besselj(1, x) = " << besselj(1, x) << endl;
cout << "besselj(5, x) = " << round_to_infty(besselj(5, x)) << endl;
cout << "besselj(0.3, x) = " << besselj(0.3, x) << endl;
cout << "besselj(1.7, x) = " << besselj(1.7, x) << endl;
cout << "besselj(5.3, x) = " << round_to_infty(besselj(5.3, x)) << endl;
cout << "bessely(0, x) = " << bessely(0, x) << endl;
cout << "bessely(1, x) = " << bessely(1, x) << endl;
cout << "bessely(5, x) = " << round_to_infty(bessely(5, x)) << endl;
cout << "bessely(0.3, x) = " << bessely(0.3, x) << endl;
cout << "bessely(1.7, x) = " << bessely(1.7, x) << endl;
cout << "bessely(5.3, x) = " << round_to_infty(bessely(5.3, x)) << endl;
cout << "besseli(0, x) = " << besseli(0, x) << endl;
cout << "besseli(1, x) = " << besseli(1, x) << endl;
cout << "besseli(5, x) = " << besseli(5, x) << endl;
cout << "besseli(0.3, x) = " << besseli(0.3, x) << endl;
cout << "besseli(1.7, x) = " << besseli(1.7, x) << endl;
cout << "besseli(5.3, x) = " << besseli(5.3, x) << endl;
cout << "besselk(0, x) = " << besselk(0, x) << endl;
cout << "besselk(1, x) = " << besselk(1, x) << endl;
cout << "besselk(5, x) = " << round_to_infty(besselk(5, x)) << endl;
return 0;
}
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