/usr/include/linbox/element/envelope.h is in liblinbox-dev 1.4.2-3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 | /* linbox/element/envelope.h
* Copyright (C) 1999-2001 William J Turner,
* 2001 Bradford Hovinen
*
* Written by William J Turner <wjturner@math.ncsu.edu>,
* Bradford Hovinen <hovinen@cis.udel.edu>
*
* ========LICENCE========
* This file is part of the library LinBox.
*
* LinBox is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
* ========LICENCE========
*/
#ifndef __LINBOX_element_envelope_H
#define __LINBOX_element_envelope_H
#include <iostream>
#include "linbox/element/abstract.h"
namespace LinBox
{
// Forward declarations
template <class Field> class RingEnvelope;
template <class Field> class FieldEnvelope;
template <class Field> class RandIterEnvelope;
/** \brief Adaptor from archetypical interface to abstract interface, a technicality.
* A class meeting the interface specified in ElementArchetype is adapted
* to be a child class of ElementAbstract.
* A concrete instance of ElementArchetype representing
* the adapted class can then be constructed.
*
* All this is in support of the FieldArchetype system.
\ingroup element
*/
template <class Field>
class ElementEnvelope : public ElementAbstract {
public:
/** Default Constructor.
*/
ElementEnvelope () {}
/** Constructor from the Field element to be wrapped.
* @param elem Field element object to be wrapped.
*/
ElementEnvelope (const typename Field::Element &elem) :
_elem (elem)
{}
/** Copy constructor.
* Constructs ElementEnvelope object by copying the element
* it wraps.
* This is required to allow element objects to be passed by value
* into functions.
* In this implementation, this means copying the element \c E._elem.
* @param E FieldEnvelope object.
*/
ElementEnvelope (const ElementAbstract &E) :
_elem (static_cast<const ElementEnvelope&>(E)._elem)
{}
/** Virtual copy constructor.
* Required because constructors cannot be virtual.
* Passes construction on to derived classes.
* @return pointer to new element object in dynamic memory.
*/
ElementAbstract* clone (void) const { return new ElementEnvelope (*this); }
/** Assignment operator.
* @return reference to self
* @param E parameterized field base element
*/
ElementAbstract &operator= (const ElementAbstract &E)
{
if (this != &E) // guard against self-assignment
_elem = static_cast<const ElementEnvelope&>(E)._elem;
return *this;
}
/** Destructor.
*/
~ElementEnvelope () {}
private:
// Friend declarations
friend class RingEnvelope<Field>;
friend class FieldEnvelope<Field>;
friend class RandIterEnvelope<Field>;
typename Field::Element _elem;
}; // class ElementEnvelope
} // namespace LinBox
#endif // __LINBOX_element_envelope_H
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// mode: C++
// tab-width: 8
// indent-tabs-mode: nil
// c-basic-offset: 8
// End:
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