mirror of
https://gitlab.com/libeigen/eigen.git
synced 2026-04-10 11:34:33 +08:00
3036eeca0a
release of tvmet (inactive for 2 years and developer unreachable) as the basis for eigen2, because it provides seemingly good expression template mechanisms, we want that, and it would take years to reinvent that wheel. We'll see. So this commit imports the last tvmet release.
137 lines
3.4 KiB
C++
137 lines
3.4 KiB
C++
/*
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* Tiny Vector Matrix Library
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* Dense Vector Matrix Libary of Tiny size using Expression Templates
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*
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* Copyright (C) 2001 - 2003 Olaf Petzold <opetzold@users.sourceforge.net>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* $Id: TestComplexVector.h,v 1.1 2004/04/24 11:55:15 opetzold Exp $
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*/
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#ifndef TEST_COMPLEX_MATRIX_H
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#define TEST_COMPLEX_MATRIX_H
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#include <limits>
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#include <algorithm>
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#include <complex>
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#include <cppunit/extensions/HelperMacros.h>
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#include <tvmet/Vector.h>
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#include <tvmet/util/General.h>
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#include <tvmet/util/Incrementor.h>
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template <class T>
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class TestComplexVector : public CppUnit::TestFixture
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{
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CPPUNIT_TEST_SUITE( TestComplexVector );
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CPPUNIT_TEST( RealImag );
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CPPUNIT_TEST( Abs );
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CPPUNIT_TEST_SUITE_END();
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private:
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typedef T value_type;
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typedef std::complex<T> complex_type;
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typedef tvmet::Vector<complex_type, 3> complex_vector;
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typedef tvmet::Vector<value_type, 3> real_vector;
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public:
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TestComplexVector()
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{ }
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public: // cppunit interface
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/** cppunit hook for fixture set up. */
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void setUp();
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/** cppunit hook for fixture tear down. */
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void tearDown();
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protected:
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void RealImag();
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void Abs();
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private:
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complex_vector v1;
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private:
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real_vector v1_real;
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};
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/*****************************************************************************
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* Implementation Part I (cppunit part)
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****************************************************************************/
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template <class T>
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void TestComplexVector<T>::setUp() {
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// real part is equal to complex part, ranging from 0 to N=Sz
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std::generate(v1.begin(), v1.end(),
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tvmet::util::Incrementor<typename complex_vector::value_type>());
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std::generate(v1_real.begin(), v1_real.end(),
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tvmet::util::Incrementor<typename real_vector::value_type>());
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}
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template <class T>
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void TestComplexVector<T>::tearDown() { }
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/*****************************************************************************
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* Implementation Part II
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****************************************************************************/
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/*
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* real and imaginary parts, real and imag parts are equal
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*/
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template <class T>
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void
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TestComplexVector<T>::RealImag() {
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real_vector r;
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r = real(v1);
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CPPUNIT_ASSERT( all_elements( r == v1_real ) );
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r = imag(v1);
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CPPUNIT_ASSERT( all_elements( r == v1_real ) );
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}
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/*
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* abs
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*/
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template <class T>
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void
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TestComplexVector<T>::Abs() {
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real_vector v, r;
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v = abs(v1);
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r = sqrt(pow(real(v1), 2) + pow(imag(v1), 2));
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// we do have a precision problem
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// CPPUNIT_ASSERT( all_elements( v == r ) );
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real_vector eps(v - r);
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CPPUNIT_ASSERT( all_elements( abs(eps) < std::numeric_limits<T>::epsilon() ) );
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//std::cout << eps << std::endl;
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}
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#endif // TEST_COMPLEX_VECTOR_H
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// Local Variables:
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// mode:C++
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// End:
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