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136 lines
3.7 KiB
C++
136 lines
3.7 KiB
C++
// Copyright 2008 Gunter Winkler <guwi17@gmx.de>
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef _HPP_TESTHELPER_
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#define _HPP_TESTHELPER_
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#include <utility>
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#include <iostream>
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#include <boost/numeric/ublas/vector_expression.hpp>
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#include <boost/numeric/ublas/matrix_expression.hpp>
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static unsigned _success_counter = 0;
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static unsigned _fail_counter = 0;
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static inline
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void assertTrue(const char* message, bool condition) {
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#ifndef NOMESSAGES
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std::cout << message;
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#endif
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if ( condition ) {
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++ _success_counter;
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std::cout << "1\n"; // success
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} else {
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++ _fail_counter;
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std::cout << "0\n"; // failed
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}
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}
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template < class T >
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void assertEquals(const char* message, T expected, T actual) {
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#ifndef NOMESSAGES
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std::cout << message;
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#endif
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if ( expected == actual ) {
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++ _success_counter;
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std::cout << "1\n"; // success
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} else {
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#ifndef NOMESSAGES
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std::cout << " expected " << expected << " actual " << actual << " ";
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#endif
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++ _fail_counter;
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std::cout << "0\n"; // failed
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}
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}
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inline static
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std::pair<unsigned, unsigned> getResults() {
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return std::make_pair(_success_counter, _fail_counter);
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}
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template < class M1, class M2 >
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bool compare( const boost::numeric::ublas::matrix_expression<M1> & m1,
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const boost::numeric::ublas::matrix_expression<M2> & m2 ) {
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if ((m1().size1() != m2().size1()) ||
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(m1().size2() != m2().size2())) {
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return false;
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}
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size_t size1 = m1().size1();
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size_t size2 = m1().size2();
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for (size_t i=0; i < size1; ++i) {
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for (size_t j=0; j < size2; ++j) {
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if ( m1()(i,j) != m2()(i,j) ) return false;
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}
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}
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return true;
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}
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template < class M1, class M2 >
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bool compare( const boost::numeric::ublas::vector_expression<M1> & m1,
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const boost::numeric::ublas::vector_expression<M2> & m2 ) {
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if (m1().size() != m2().size()) {
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return false;
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}
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size_t size = m1().size();
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for (size_t i=0; i < size; ++i) {
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if ( m1()(i) != m2()(i) ) return false;
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}
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return true;
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}
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// Compare if two matrices or vectors are equals based on distance.
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template <class AE>
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typename AE::value_type mean_square(const boost::numeric::ublas::matrix_expression<AE> &me) {
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typename AE::value_type s(0);
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typename AE::size_type i, j;
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for (i=0; i!= me().size1(); i++) {
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for (j=0; j!= me().size2(); j++) {
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s += boost::numeric::ublas::scalar_traits<typename AE::value_type>::type_abs(me()(i,j));
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}
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}
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return s / (me().size1() * me().size2());
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}
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template <class AE>
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typename AE::value_type mean_square(const boost::numeric::ublas::vector_expression<AE> &ve) {
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// We could have use norm2 here, but ublas' ABS does not support unsigned types.
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typename AE::value_type s(0);
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typename AE::size_type i;
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for (i=0; i!= ve().size(); i++) {
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s += boost::numeric::ublas::scalar_traits<typename AE::value_type>::type_abs(ve()(i));
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}
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return s / ve().size();
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}
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template < class M1, class M2 >
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bool compare_to( const boost::numeric::ublas::matrix_expression<M1> & m1,
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const boost::numeric::ublas::matrix_expression<M2> & m2,
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double tolerance = 0.0 ) {
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if ((m1().size1() != m2().size1()) ||
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(m1().size2() != m2().size2())) {
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return false;
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}
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return mean_square(m2() - m1()) <= tolerance;
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}
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template < class M1, class M2 >
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bool compare_to( const boost::numeric::ublas::vector_expression<M1> & m1,
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const boost::numeric::ublas::vector_expression<M2> & m2,
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double tolerance = 0.0 ) {
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if (m1().size() != m2().size()) {
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return false;
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}
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return mean_square(m2() - m1()) <= tolerance;
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}
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#endif
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