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.
229 lines
5.3 KiB
C++
229 lines
5.3 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: TestXprMatrixOperators.h,v 1.1 2004/04/24 11:55:15 opetzold Exp $
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*/
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#ifndef TVMET_TEST_XPR_MATRIXOPS_H
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#define TVMET_TEST_XPR_MATRIXOPS_H
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#include <cppunit/extensions/HelperMacros.h>
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#include <tvmet/Vector.h>
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#include <tvmet/Matrix.h>
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#include <tvmet/util/General.h>
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template <class T>
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class TestXprMatrixOperators : public CppUnit::TestFixture
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{
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CPPUNIT_TEST_SUITE( TestXprMatrixOperators );
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CPPUNIT_TEST( scalarOps1 );
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CPPUNIT_TEST( scalarOps2 );
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CPPUNIT_TEST( globalMatrixOps );
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CPPUNIT_TEST( negate );
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CPPUNIT_TEST( prodOps );
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CPPUNIT_TEST_SUITE_END();
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private:
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typedef tvmet::Vector<T, 3> vector_type;
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typedef tvmet::Matrix<T, 3, 3> matrix_type;
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public:
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TestXprMatrixOperators()
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: mZero(0), mOne(1), scalar(10), scalar2(2) { }
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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 scalarOps1();
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void scalarOps2();
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void globalMatrixOps();
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void negate();
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void prodOps();
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private:
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const matrix_type mZero;
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const matrix_type mOne;
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matrix_type m1;
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matrix_type mBig; /**< matrix 10x bigger than m1 */
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private:
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vector_type m1_r0, m1_r1, m1_r2; // row vectors
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vector_type m1_c0, m1_c1, m1_c2; // col vectors
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private:
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const T scalar;
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const T scalar2;
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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 TestXprMatrixOperators<T>::setUp() {
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m1 = 1,4,7,
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2,5,8,
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3,6,9;
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m1_r0 = 1,4,7;
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m1_r1 = 2,5,8;
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m1_r2 = 3,6,9;
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m1_c0 = 1,2,3;
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m1_c1 = 4,5,6;
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m1_c2 = 7,8,9;
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mBig = 10,40,70,
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20,50,80,
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30,60,90;
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}
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template <class T>
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void TestXprMatrixOperators<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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* global math operators with scalars
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* Note: checked against member operators since they are allready checked
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*/
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template <class T>
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void
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TestXprMatrixOperators<T>::scalarOps1() {
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matrix_type r1(m1), r2(m1);
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matrix_type t1(0), t2(0), t3(0), t4(0);
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r1 += scalar;
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r2 -= scalar;
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t1 = T(1)*m1 + scalar;
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t2 = T(1)*m1 - scalar;
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t3 = T(1)*m1 * scalar;
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t4 = T(1)*mBig / scalar;
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CPPUNIT_ASSERT( all_elements(t1 == r1) );
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CPPUNIT_ASSERT( all_elements(t2 == r2) );
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CPPUNIT_ASSERT( all_elements(t3 == mBig) );
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CPPUNIT_ASSERT( all_elements(t4 == m1) );
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}
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/*
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* global math operators with scalars, part II
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* Note: checked against member operators since they are allready checked
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*/
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template <class T>
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void
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TestXprMatrixOperators<T>::scalarOps2() {
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matrix_type r1(m1), r2(m1);
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matrix_type t1(0), t2(0);
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r1 += scalar;
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r2 *= scalar;
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t1 = scalar + T(1)*m1;
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t2 = scalar * (T(1)*m1);
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CPPUNIT_ASSERT( all_elements(t1 == r1) );
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CPPUNIT_ASSERT( all_elements(t2 == r2) );
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}
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/*
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* global math operators with matrizes
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*/
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template <class T>
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void
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TestXprMatrixOperators<T>::globalMatrixOps() {
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matrix_type t1(0), t2(0), t3(0), t4(0);
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t1 = T(1)*m1 + T(1)*m1;
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t2 = T(1)*m1 - T(1)*m1;
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{
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using namespace tvmet::element_wise;
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//t3 = m1 * mOne; // overloaded by global op*()
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t4 = T(1)*m1 / (T(1)*mOne);
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}
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CPPUNIT_ASSERT( all_elements(t1 == 2*m1) );
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CPPUNIT_ASSERT( all_elements(t2 == T(0)) );
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//CPPUNIT_ASSERT( all_elements(t3 == m1) );
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CPPUNIT_ASSERT( all_elements(t4 == m1) );
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}
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/*
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* negate operators with matrizes
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*/
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template <class T>
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void
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TestXprMatrixOperators<T>::negate() {
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matrix_type m1;
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m1 = -(T(1)*mOne);
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CPPUNIT_ASSERT( all_elements(m1 == T(-1)) );
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}
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/*
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* product functions with matrizes
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* Note: Take care on aliasing!
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*/
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template <class T>
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void
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TestXprMatrixOperators<T>::prodOps() {
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matrix_type t1, t2, t3;
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matrix_type r1, r2, r3;
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matrix_type m2(m1);;
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tvmet::util::Gemm(m1, m1, r1);
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tvmet::util::Gemm(m1, mBig, r2);
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tvmet::util::Gemm(mBig, m1, r3);
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CPPUNIT_ASSERT( all_elements(r2 == r3) );
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t1 = (T(1)*m1) * (T(1)*m2);
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CPPUNIT_ASSERT( all_elements(t1 == r1) );
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t2 = (T(1)*m1) * (T(1)*mBig);
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CPPUNIT_ASSERT( all_elements(t2 == r2) );
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t3 = (T(1))*mBig * (T(1)*m1);
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CPPUNIT_ASSERT( all_elements(t3 == r3) );
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}
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#endif // TVMET_TEST_XPR_MATRIXOPS_H
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// Local Variables:
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// mode:C++
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// End:
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