concepts.hpp

boost库提供标准的C++ API 配合dev c++使用,功能更加强大

    };

    template<class V>
    struct VectorExpressionConcept {
        typedef V vector_type;
        typedef typename V::type_category type_category;
        typedef typename V::size_type size_type;
        typedef typename V::value_type value_type;
        typedef typename V::const_iterator const_iterator_type;
        typedef typename V::const_reverse_iterator const_reverse_iterator_type;

        static void constraints () {
            DefaultConstructibleConcept<vector_type>::constraints ();
            vector_type v = vector_type ();
            size_type n (0), i (0);
            value_type t = value_type ();
            // Find (internal?)
            const_iterator_type cit (v.find (i));
            // Beginning of range
            const_iterator_type cit_begin (v.begin ());
            // End of range
            const_iterator_type cit_end (v.end ());
            // Size
            n = v.size ();
            // Beginning of reverse range
#ifndef BOOST_UBLAS_LWG_ISSUE_280
            const vector_type cv = vector_type ();
            const_reverse_iterator_type crit_begin (cv.rbegin ());
#else
            const_reverse_iterator_type crit_begin (v.rbegin ());
#endif
            // End of reverse range
#ifndef BOOST_UBLAS_LWG_ISSUE_280
            const_reverse_iterator_type crit_end (cv.rend ());
#else
            const_reverse_iterator_type crit_end (v.rend ());
#endif
            // Element access
            t = v (i);
            ignore_unused_variable_warning (n);
            ignore_unused_variable_warning (cit);
            ignore_unused_variable_warning (cit_begin);
            ignore_unused_variable_warning (cit_end);
            ignore_unused_variable_warning (crit_begin);
            ignore_unused_variable_warning (crit_end);
            ignore_unused_variable_warning (t);
        }
    };

    template<class V>
    struct MutableVectorExpressionConcept {
        typedef V vector_type;
        typedef typename V::size_type size_type;
        typedef typename V::value_type value_type;
        typedef typename V::iterator iterator_type;
        typedef typename V::reverse_iterator reverse_iterator_type;

        static void constraints () {
            AssignableConcept<vector_type>::constraints (vector_type ());
            VectorExpressionConcept<vector_type>::constraints ();
            vector_type v = vector_type (), v1 = vector_type (), v2 = vector_type ();
            size_type i (0);
            value_type t = value_type ();
            // Find (internal?)
            iterator_type it (v.find (i));
            // Beginning of range
            iterator_type it_begin (v.begin ());
            // End of range
            iterator_type it_end (v.end ());
            // Swap
            v1.swap (v2);
            // Beginning of reverse range
            reverse_iterator_type rit_begin (v.rbegin ());
            // End of reverse range
            reverse_iterator_type rit_end (v.rend ());
            // Assignments
            v2 = v1;
            v2.assign (v1);
            v2 += v1;
            v2.plus_assign (v1);
            v2 -= v1;
            v2.minus_assign (v1);
            v *= t;
            ignore_unused_variable_warning (it);
            ignore_unused_variable_warning (it_begin);
            ignore_unused_variable_warning (it_end);
            ignore_unused_variable_warning (rit_begin);
            ignore_unused_variable_warning (rit_end);
        }
    };

    template<class M>
    struct MatrixExpressionConcept {
        typedef M matrix_type;
        typedef typename M::type_category type_category;
        typedef typename M::size_type size_type;
        typedef typename M::value_type value_type;
        typedef typename M::const_iterator1 const_iterator1_type;
        typedef typename M::const_iterator2 const_iterator2_type;
        typedef typename M::const_reverse_iterator1 const_reverse_iterator1_type;
        typedef typename M::const_reverse_iterator2 const_reverse_iterator2_type;

        static void constraints () {
            DefaultConstructibleConcept<matrix_type>::constraints ();
            matrix_type m = matrix_type ();
            size_type n (0), i (0), j (0);
            value_type t = value_type ();
            // Find (internal?)
            const_iterator1_type cit1 (m.find1 (0, i, j));
            const_iterator2_type cit2 (m.find2 (0, i, j));
            // Beginning of range
            const_iterator1_type cit1_begin (m.begin1 ());
            const_iterator2_type cit2_begin (m.begin2 ());
            // End of range
            const_iterator1_type cit1_end (m.end1 ());
            const_iterator2_type cit2_end (m.end2 ());
            // Size
            n = m.size1 ();
            n = m.size2 ();
            // Beginning of reverse range
#ifndef BOOST_UBLAS_LWG_ISSUE_280
            const matrix_type cm = matrix_type ();
            const_reverse_iterator1_type crit1_begin (cm.rbegin1 ());
            const_reverse_iterator2_type crit2_begin (cm.rbegin2 ());
#else
            const_reverse_iterator1_type crit1_begin (m.rbegin1 ());
            const_reverse_iterator2_type crit2_begin (m.rbegin2 ());
#endif
            // End of reverse range
#ifndef BOOST_UBLAS_LWG_ISSUE_280
            const_reverse_iterator1_type crit1_end (cm.rend1 ());
            const_reverse_iterator2_type crit2_end (cm.rend2 ());
#else
            const_reverse_iterator1_type crit1_end (m.rend1 ());
            const_reverse_iterator2_type crit2_end (m.rend2 ());
#endif
            // Element access
            t = m (i, j);
            ignore_unused_variable_warning (n);
            ignore_unused_variable_warning (cit1);
            ignore_unused_variable_warning (cit2);
            ignore_unused_variable_warning (cit1_begin);
            ignore_unused_variable_warning (cit2_begin);
            ignore_unused_variable_warning (cit1_end);
            ignore_unused_variable_warning (cit2_end);
            ignore_unused_variable_warning (crit1_begin);
            ignore_unused_variable_warning (crit2_begin);
            ignore_unused_variable_warning (crit1_end);
            ignore_unused_variable_warning (crit2_end);
            ignore_unused_variable_warning (t);
        }
    };

    template<class M>
    struct MutableMatrixExpressionConcept {
        typedef M matrix_type;
        typedef typename M::size_type size_type;
        typedef typename M::value_type value_type;
        typedef typename M::iterator1 iterator1_type;
        typedef typename M::iterator2 iterator2_type;
        typedef typename M::reverse_iterator1 reverse_iterator1_type;
        typedef typename M::reverse_iterator2 reverse_iterator2_type;

        static void constraints () {
            AssignableConcept<matrix_type>::constraints (matrix_type ());
            MatrixExpressionConcept<matrix_type>::constraints ();
            matrix_type m = matrix_type (), m1 = matrix_type (), m2 = matrix_type ();
            size_type i (0), j (0);
            value_type t = value_type ();
            // Find (internal?)
            iterator1_type it1 (m.find1 (0, i, j));
            iterator2_type it2 (m.find2 (0, i, j));
            // Beginning of range
            iterator1_type it1_begin (m.begin1 ());
            iterator2_type it2_begin (m.begin2 ());
            // End of range
            iterator1_type it1_end (m.end1 ());
            iterator2_type it2_end (m.end2 ());
            // Swap
            m1.swap (m2);
            // Beginning of reverse range
            reverse_iterator1_type rit1_begin (m.rbegin1 ());
            reverse_iterator2_type rit2_begin (m.rbegin2 ());
            // End of reverse range
            reverse_iterator1_type rit1_end (m.rend1 ());
            reverse_iterator2_type rit2_end (m.rend2 ());
            // Assignments
            m2 = m1;
            m2.assign (m1);
            m2 += m1;
            m2.plus_assign (m1);
            m2 -= m1;
            m2.minus_assign (m1);
            m *= t;
            ignore_unused_variable_warning (it1);
            ignore_unused_variable_warning (it2);
            ignore_unused_variable_warning (it1_begin);
            ignore_unused_variable_warning (it2_begin);
            ignore_unused_variable_warning (it1_end);
            ignore_unused_variable_warning (it2_end);
            ignore_unused_variable_warning (rit1_begin);
            ignore_unused_variable_warning (rit2_begin);
            ignore_unused_variable_warning (rit1_end);
            ignore_unused_variable_warning (rit2_end);
        }
    };

    template<class V>
    struct VectorConcept {
        typedef V vector_type;

        static void constraints () {
            VectorExpressionConcept<vector_type>::constraints ();
        }
    };

    template<class V>
    struct MutableVectorConcept {
        typedef V vector_type;
        typedef typename V::size_type size_type;
        typedef typename V::value_type value_type;
        
        static void constraints () {
            MutableVectorExpressionConcept<vector_type>::constraints ();    
            VectorConcept<vector_type>::constraints ();    
            size_type n (0);
            // Sizing constructor
            vector_type v = vector_type (n);
            value_type t = value_type ();
            size_type i (0);
            // Insert 
            v.insert (i, t);
            // Erase
            v.erase (i);
            // Clear 
            v.clear ();
            // Resize 
            v.resize (n);
        }
    };

    template<class M>
    struct MatrixConcept {
        typedef M matrix_type;
        
        static void constraints () {
            MatrixExpressionConcept<matrix_type>::constraints ();
        }
    };

    template<class M>
    struct MutableMatrixConcept {
        typedef M matrix_type;
        typedef typename M::size_type size_type;
        typedef typename M::value_type value_type;

        static void constraints () {
            MutableMatrixExpressionConcept<matrix_type>::constraints ();    
            MatrixConcept<matrix_type>::constraints ();    
            size_type n (0);
            // Sizing constructor
            matrix_type m = matrix_type (n, n);
            value_type t = value_type ();
            size_type i (0), j (0);
            // Insert 
            m.insert (i, j, t);
            // Erase
            m.erase (i, j);
            // Clear 
            m.clear ();
            // Resize 
            m.resize (n, n);
        }
    };

    template<class T>
    T 
    ZeroElement (T);
    template<>
    float 
    ZeroElement (float) {
        return 0.f;
    }
    template<>
    double 
    ZeroElement (double) {
        return 0.;
    }
#ifndef BOOST_MSVC