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85 lines
2.6 KiB
C++
85 lines
2.6 KiB
C++
/*
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* Copyright (c) 2004 Michael Stevens
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* Use, modification and distribution are subject to the
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* Boost Software License, Version 1.0. (See accompanying file
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* LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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*/
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/*
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* Default construct test when possible
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*/
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template <class E>
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struct default_construct
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{
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static void test ()
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{
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E default_constuct;
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std::cout << "default construct = " << default_constuct << std::endl;
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}
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};
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/*
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* Initialise test values in vector/matrix
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*/
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template<class V>
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void initialize_vector (V &v) {
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typename V::size_type size = v.size ();
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for (typename V::size_type i = 0; i < size; ++ i)
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v [i] = typename V::value_type (i + 1);
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}
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template<class M>
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void initialize_matrix_impl (M &m, ublas::packed_proxy_tag) {
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typename M::size_type size1 = m.size1 ();
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#ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
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for (typename M::iterator1 i = m.begin1(); i != m.end1(); ++ i)
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for (typename M::iterator2 j = i.begin(); j != i.end(); ++ j)
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*j = typename M::value_type (i.index1() * size1 + j.index2() + 1);
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#else
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for (typename M::iterator1 i = m.begin1(); i != m.end1(); ++ i)
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for (typename M::iterator2 j = ublas::begin (i, ublas::iterator1_tag ()); j != ublas::end (i, ublas::iterator1_tag ()); ++ j)
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*j = typename M::value_type (i.index1() * size1 + j.index2() + 1);
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#endif
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}
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template<class M>
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void initialize_matrix_impl (M &m, ublas::sparse_proxy_tag) {
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typename M::size_type size1 = m.size1 ();
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typename M::size_type size2 = m.size2 ();
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for (typename M::size_type i = 0; i < size1; ++ i)
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for (typename M::size_type j = 0; j < size2; ++ j)
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m (i, j) = typename M::value_type (i * size1 + j + 1.f);
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}
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template<class M>
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void initialize_matrix (M &m) {
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initialize_matrix_impl (m, typename M::storage_category());
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}
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template<class M>
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void initialize_matrix (M &m, ublas::lower_tag) {
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typename M::size_type size1 = m.size1 ();
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typename M::size_type size2 = m.size2 ();
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for (typename M::size_type i = 0; i < size1; ++ i) {
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typename M::size_type j = 0;
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for (; j <= i; ++ j)
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m (i, j) = i * size1 + j + 1.f;
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for (; j < size2; ++ j)
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m (i, j) = 0.f;
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}
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}
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template<class M>
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void initialize_matrix (M &m, ublas::upper_tag) {
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typename M::size_type size1 = m.size1 ();
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typename M::size_type size2 = m.size2 ();
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for (typename M::size_type i = 0; i < size1; ++ i) {
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typename M::size_type j = 0;
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for (; j < i; ++ j)
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m (i, j) = 0.f;
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for (; j < size2; ++ j)
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m (i, j) = i * size1 + j + 1.f;
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}
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}
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