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/*!
* \file
* \brief Operators test program
* \author Bogdan Cristea
*
* -------------------------------------------------------------------------
*
* Copyright (C) 1995-2011 (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"
using namespace itpp;
using std::cout;
using std::endl;
using std::complex;
int main()
{
//complex plus/minus scalar
{
//complex scalar
complex<double> x(1.0, 1.0);
int y = 2;
complex<double> z = x+y;
if (complex<double>(x.real()+y, x.imag()) != z)
{
cout << "complex scalar plus int scalar operator is wrong" << endl;
return EXIT_FAILURE;
}
z = x-y;
if (complex<double>(x.real()-y, x.imag()) != z)
{
cout << "complex scalar minus int scalar operator is wrong" << endl;
return EXIT_FAILURE;
}
//complex vector
vec x1_re("1 3");
vec x1_im("2 4");
cvec x1 = to_cvec(x1_re, x1_im);
cvec z1 = x1+y;
if (to_cvec(x1_re+y, x1_im) != z1)
{
cout << "complex vector plus int scalar operator is wrong" << endl;
return EXIT_FAILURE;
}
z1 = x1-y;
if (to_cvec(x1_re-y, x1_im) != z1)
{
cout << "complex vector minus int scalar operator is wrong" << endl;
return EXIT_FAILURE;
}
//complex scalar
float y1 = 2.7;
z = x+y1;
if (complex<double>(x.real()+y1, x.imag()) != z)
{
cout << "complex plus float scalar operator is wrong" << endl;
return EXIT_FAILURE;
}
z = x-y1;
if (complex<double>(x.real()-y1, x.imag()) != z)
{
cout << "complex minus float scalar operator is wrong" << endl;
return EXIT_FAILURE;
}
//complex vector
z1 = x1+y1;
if (to_cvec(x1_re+y1, x1_im) != z1)
{
cout << "complex vector plus float scalar operator is wrong" << endl;
return EXIT_FAILURE;
}
z1 = x1-y1;
if (to_cvec(x1_re-y1, x1_im) != z1)
{
cout << "complex vector minus float scalar operator is wrong" << endl;
return EXIT_FAILURE;
}
//complex matrix
mat x2_re("1 3; 5 7");
mat x2_im("2 4; 6 8");
cmat x2 = to_cmat(x2_re, x2_im);
cmat z2 = x2+complex<double>(y1, 0);
if (to_cmat(x2_re+double(y1), x2_im) != z2)
{
cout << "complex matrix plus complex scalar operator is wrong" << endl;
return EXIT_FAILURE;
}
z2 = x2-complex<double>(y1, 0);
if (to_cmat(x2_re-double(y1), x2_im) != z2)
{
cout << "complex matrix minus complex scalar operator is wrong" << endl;
return EXIT_FAILURE;
}
}
//scalar plus/minus complex
{
//complex scalar
int x = 2;
complex<double> y(1.0, 1.0);
complex<double> z = x+y;
if (complex<double>(x+y.real(), y.imag()) != z)
{
cout << "int scalar plus complex scalar operator is wrong" << endl;
return EXIT_FAILURE;
}
z = x-y;
if (complex<double>(x-y.real(), -y.imag()) != z)
{
cout << "int scalar minus complex scalar operator is wrong" << endl;
return EXIT_FAILURE;
}
//complex vector
vec y1_re("1 3");
vec y1_im("2 4");
cvec y1 = to_cvec(y1_re, y1_im);
cvec z1 = x+y1;
if (to_cvec(x+y1_re, y1_im) != z1)
{
cout << "int scalar plus complex vector operator is wrong" << endl;
return EXIT_FAILURE;
}
z1 = x-y1;
if (to_cvec(x-y1_re, -y1_im) != z1)
{
cout << "int scalar minus complex vector operator is wrong" << endl;
return EXIT_FAILURE;
}
//complex scalar
float x1 = 2.7;
z = x1+y;
if (complex<double>(x1+y.real(), y.imag()) != z)
{
cout << "float scalar plus complex operator is wrong" << endl;
return EXIT_FAILURE;
}
z = x1-y;
if (complex<double>(x1-y.real(), -y.imag()) != z)
{
cout << "float scalar minus complex operator is wrong" << endl;
return EXIT_FAILURE;
}
//complex vector
z1 = x1+y1;
if (to_cvec(x1+y1_re, y1_im) != z1)
{
cout << "float scalar plus complex vector operator is wrong" << endl;
return EXIT_FAILURE;
}
z1 = x1-y1;
if (to_cvec(x1-y1_re, -y1_im) != z1)
{
cout << "float scalar minus complex vector operator is wrong" << endl;
return EXIT_FAILURE;
}
//complex matrix
mat y2_re("1 3; 5 7");
mat y2_im("2 4; 6 8");
cmat y2 = to_cmat(y2_re, y2_im);
cmat z2 = complex<double>(x1, 0)+y2;
if (to_cmat(x1+y2_re, y2_im) != z2)
{
cout << "complex scalar plus complex matrix operator is wrong" << endl;
return EXIT_FAILURE;
}
z2 = complex<double>(x1, 0)-y2;
if (to_cmat(x1-y2_re, -y2_im) != z2)
{
cout << "complex scalar minus complex matrix operator is wrong" << endl;
return EXIT_FAILURE;
}
}
cout << "operators test successful" << endl;
return EXIT_SUCCESS;
}
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