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/* Test program to test find functions of triagular matrices
*
* author: Gunter Winkler ( guwi17 at gmx dot de )
*/
// Copyright 2008 Gunter Winkler <guwi17@gmx.de>
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#include <boost/numeric/ublas/triangular.hpp>
#include <boost/numeric/ublas/io.hpp>
#include <boost/cstdlib.hpp>
#include "common/testhelper.hpp"
#ifdef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
using boost::numeric::ublas::iterator1_tag;
using boost::numeric::ublas::iterator2_tag;
#endif
template < class MAT >
void test_iterator( MAT & A ) {
#ifndef NOMESSAGES
std::cout << "=>";
#endif
// check mutable iterators
typename MAT::iterator1 it1 = A.begin1();
typename MAT::iterator1 it1_end = A.end1();
for ( ; it1 != it1_end; ++it1 ) {
#ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
typename MAT::iterator2 it2 = it1.begin();
typename MAT::iterator2 it2_end = it1.end();
#else
typename MAT::iterator2 it2 = begin(it1, iterator1_tag());
typename MAT::iterator2 it2_end = end(it1, iterator1_tag());
#endif
for ( ; it2 != it2_end ; ++ it2 ) {
#ifndef NOMESSAGES
std::cout << "( " << it2.index1() << ", " << it2.index2() << ") " << std::flush;
#endif
* it2 = ( 10 * it2.index1() + it2.index2() );
}
#ifndef NOMESSAGES
std::cout << std::endl;
#endif
}
}
template < class MAT >
void test_iterator2( MAT & A ) {
#ifndef NOMESSAGES
std::cout << "=>";
#endif
// check mutable iterators
typename MAT::iterator2 it2 = A.begin2();
typename MAT::iterator2 it2_end = A.end2();
for ( ; it2 != it2_end; ++it2 ) {
#ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
typename MAT::iterator1 it1 = it2.begin();
typename MAT::iterator1 it1_end = it2.end();
#else
typename MAT::iterator1 it1 = begin(it2, iterator2_tag());
typename MAT::iterator1 it1_end = end(it2, iterator2_tag());
#endif
for ( ; it1 != it1_end ; ++ it1 ) {
#ifndef NOMESSAGES
std::cout << "( " << it1.index1() << ", " << it1.index2() << ") " << std::flush;
#endif
* it1 = ( 10 * it1.index1() + it1.index2() );
}
#ifndef NOMESSAGES
std::cout << std::endl;
#endif
}
}
template < class MAT >
typename MAT::value_type
test_iterator3( const MAT & A ) {
#ifndef NOMESSAGES
std::cout << "=>";
#endif
typename MAT::value_type result = 0;
// check mutable iterators
typename MAT::const_iterator1 it1 = A.begin1();
typename MAT::const_iterator1 it1_end = A.end1();
for ( ; it1 != it1_end; ++it1 ) {
#ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
typename MAT::const_iterator2 it2 = it1.begin();
typename MAT::const_iterator2 it2_end = it1.end();
#else
typename MAT::const_iterator2 it2 = begin(it1, iterator1_tag());
typename MAT::const_iterator2 it2_end = end(it1, iterator1_tag());
#endif
for ( ; it2 != it2_end ; ++ it2 ) {
#ifndef NOMESSAGES
std::cout << "( " << it2.index1() << ", " << it2.index2() << ") " << std::flush;
#endif
result += * it2;
}
#ifndef NOMESSAGES
std::cout << std::endl;
#endif
}
return result;
}
int main () {
using namespace boost::numeric::ublas;
typedef double VALUE_TYPE;
typedef triangular_matrix<VALUE_TYPE, lower> LT;
typedef triangular_matrix<VALUE_TYPE, unit_lower> ULT;
typedef triangular_matrix<VALUE_TYPE, strict_lower> SLT;
typedef triangular_matrix<VALUE_TYPE, upper> UT;
typedef triangular_matrix<VALUE_TYPE, unit_upper> UUT;
typedef triangular_matrix<VALUE_TYPE, strict_upper> SUT;
LT A(5,5);
test_iterator(A);
test_iterator2(A);
ULT B(5,5);
test_iterator(B);
test_iterator2(B);
SLT C(5,5);
test_iterator(C);
test_iterator2(C);
UT D(5,5);
test_iterator(D);
test_iterator2(D);
UUT E(5,5);
test_iterator(E);
test_iterator2(E);
SUT F(5,5);
test_iterator(F);
test_iterator2(F);
assertTrue("Write access using iterators: ", true);
assertEquals(" LT: ",420.0,test_iterator3(A));
assertEquals("ULT: ",315.0,test_iterator3(B));
assertEquals("SLT: ",310.0,test_iterator3(C));
assertEquals(" UT: ",240.0,test_iterator3(D));
assertEquals("UUT: ",135.0,test_iterator3(E));
assertEquals("SUT: ",130.0,test_iterator3(F));
assertTrue("Read access using iterators: ", true);
#ifndef NOMESSAGES
std::cout << A << B << C << D << E << F << std::endl;
#endif
typedef matrix<VALUE_TYPE> MATRIX;
MATRIX mat(5,5);
triangular_adaptor<MATRIX, lower> lta((mat));
triangular_adaptor<MATRIX, unit_lower> ulta((mat));
triangular_adaptor<MATRIX, strict_lower> slta((mat));
triangular_adaptor<MATRIX, upper> uta((mat));
triangular_adaptor<MATRIX, unit_upper> uuta((mat));
triangular_adaptor<MATRIX, strict_upper> suta((mat));
test_iterator ( lta );
test_iterator2( lta );
test_iterator ( ulta );
test_iterator2( ulta );
test_iterator ( slta );
test_iterator2( slta );
test_iterator ( uta );
test_iterator2( uta );
test_iterator ( uuta );
test_iterator2( uuta );
test_iterator ( suta );
test_iterator2( suta );
assertTrue("Write access using adaptors: ", true);
assertEquals(" LTA: ",420.0,test_iterator3( lta ));
assertEquals("ULTA: ",315.0,test_iterator3( ulta ));
assertEquals("SLTA: ",310.0,test_iterator3( slta ));
assertEquals(" UTA: ",240.0,test_iterator3( uta ));
assertEquals("UUTA: ",135.0,test_iterator3( uuta ));
assertEquals("SUTA: ",130.0,test_iterator3( suta ));
assertTrue("Read access using adaptors: ", true);
#ifndef NOMESSAGES
std::cout << mat << std::endl;
#endif
return (getResults().second > 0) ? boost::exit_failure : boost::exit_success;
}
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