AbstractElement.cpp

/*

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 * Redistributions in binary form must reproduce the above copyright notice,
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   software without specific prior written permission.

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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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*/

#include "AbstractElement.hpp"

#include "Exception.hpp"

#include <cassert>

// Implementation

template <unsigned ELEMENT_DIM, unsigned SPACE_DIM>
AbstractElement<ELEMENT_DIM, SPACE_DIM>::AbstractElement(unsigned index, const std::vector<Node<SPACE_DIM>*>& rNodes)
    : mNodes(rNodes),
      mIndex(index),
      mAttribute(0.0),
      mIsDeleted(false),
      mOwnership(true),
      mFlag(false)
{
    // Sanity checking
    assert(ELEMENT_DIM <= SPACE_DIM);

    // Flags must be initialised before the Jacobian calculations, or assertions trip
}

template <unsigned ELEMENT_DIM, unsigned SPACE_DIM>
AbstractElement<ELEMENT_DIM, SPACE_DIM>::AbstractElement(unsigned index)
    : mIndex(index),
      mAttribute(0.0),
      mIsDeleted(false),
      mOwnership(true),
      mFlag(false)
{}

template <unsigned ELEMENT_DIM, unsigned SPACE_DIM>
void AbstractElement<ELEMENT_DIM, SPACE_DIM>::ReplaceNode(Node<SPACE_DIM>* pOldNode, Node<SPACE_DIM>* pNewNode)
{
    assert(pOldNode != pNewNode);
    for (unsigned i=0; i<this->mNodes.size(); i++)
    {
        if (this->mNodes[i] == pOldNode)
        {
            UpdateNode(i, pNewNode);
            return;
        }
    }
    EXCEPTION("You didn't have that node to start with.");
}

template <unsigned ELEMENT_DIM, unsigned SPACE_DIM>
double AbstractElement<ELEMENT_DIM, SPACE_DIM>::GetNodeLocation(unsigned localIndex, unsigned dimension) const
{
    assert(dimension < SPACE_DIM);
    assert((unsigned)localIndex < mNodes.size());
    return mNodes[localIndex]->rGetLocation()[dimension];
}

/*
 * Note for future reference: this used to return a reference to a c_vector, in which case a
 * weird error arose where it compiled, ran and passed on some machines but failed the tests
 * (bad_size errors) on another machine.  So be careful if you think about changing it!
 */
template <unsigned ELEMENT_DIM, unsigned SPACE_DIM>
c_vector<double, SPACE_DIM> AbstractElement<ELEMENT_DIM, SPACE_DIM>::GetNodeLocation(unsigned localIndex) const
{
    assert((unsigned)localIndex < mNodes.size());
    return mNodes[localIndex]->rGetLocation();
}

template <unsigned ELEMENT_DIM, unsigned SPACE_DIM>
unsigned AbstractElement<ELEMENT_DIM, SPACE_DIM>::GetNodeGlobalIndex(unsigned localIndex) const
{
    assert((unsigned)localIndex < mNodes.size());
    return mNodes[localIndex]->GetIndex();
}

template <unsigned ELEMENT_DIM, unsigned SPACE_DIM>
Node<SPACE_DIM>* AbstractElement<ELEMENT_DIM, SPACE_DIM>::GetNode(unsigned localIndex) const
{
    assert((unsigned)localIndex < mNodes.size());
    return mNodes[localIndex];
}

template <unsigned ELEMENT_DIM, unsigned SPACE_DIM>
unsigned AbstractElement<ELEMENT_DIM, SPACE_DIM>::GetNumNodes() const
{
    return mNodes.size();
}

template <unsigned ELEMENT_DIM, unsigned SPACE_DIM>
void AbstractElement<ELEMENT_DIM, SPACE_DIM>::AddNode(Node<SPACE_DIM>* pNode)
{
    mNodes.push_back(pNode);
}

template <unsigned ELEMENT_DIM, unsigned SPACE_DIM>
bool AbstractElement<ELEMENT_DIM, SPACE_DIM>::IsDeleted() const
{
    return mIsDeleted;
}

template <unsigned ELEMENT_DIM, unsigned SPACE_DIM>
unsigned AbstractElement<ELEMENT_DIM, SPACE_DIM>::GetIndex() const
{
    return mIndex;
}

template <unsigned ELEMENT_DIM, unsigned SPACE_DIM>
void AbstractElement<ELEMENT_DIM, SPACE_DIM>::SetIndex(unsigned index)
{
    mIndex = index;
}

template <unsigned ELEMENT_DIM, unsigned SPACE_DIM>
bool AbstractElement<ELEMENT_DIM, SPACE_DIM>::GetOwnership() const
{
    return mOwnership;
}

template <unsigned ELEMENT_DIM, unsigned SPACE_DIM>
void AbstractElement<ELEMENT_DIM, SPACE_DIM>::SetOwnership(bool ownership)
{
    mOwnership = ownership;
}

template <unsigned ELEMENT_DIM, unsigned SPACE_DIM>
void AbstractElement<ELEMENT_DIM, SPACE_DIM>::Flag()
{
    mFlag = true;
}

template <unsigned ELEMENT_DIM, unsigned SPACE_DIM>
void AbstractElement<ELEMENT_DIM, SPACE_DIM>::Unflag()
{
    mFlag = false;
}

template <unsigned ELEMENT_DIM, unsigned SPACE_DIM>
bool AbstractElement<ELEMENT_DIM, SPACE_DIM>::IsFlagged() const
{
    return mFlag;
}

template <unsigned ELEMENT_DIM, unsigned SPACE_DIM>
void AbstractElement<ELEMENT_DIM, SPACE_DIM>::SetAttribute(double attribute)
{
    mAttribute = attribute;
}

template <unsigned ELEMENT_DIM, unsigned SPACE_DIM>
double AbstractElement<ELEMENT_DIM, SPACE_DIM>::GetAttribute()
{
    return mAttribute;
}

template <unsigned ELEMENT_DIM, unsigned SPACE_DIM>
unsigned AbstractElement<ELEMENT_DIM, SPACE_DIM>::GetUnsignedAttribute()
{
    double double_attr = GetAttribute();
    unsigned unsigned_attr = (unsigned) double_attr;
    if (fabs(double_attr-((double)(unsigned_attr)))>1e-9)
    {
        EXCEPTION("Element attribute '"<< double_attr <<"' cannot be converted to an unsigned.");
    }
    return unsigned_attr;
}


// Explicit instantiation

template class AbstractElement<0,1>;
template class AbstractElement<1,1>;
template class AbstractElement<0,2>;
template class AbstractElement<1,2>;
template class AbstractElement<2,2>;
template class AbstractElement<0,3>;
template class AbstractElement<1,3>;
template class AbstractElement<2,3>;
template class AbstractElement<3,3>;