Exemplo n.º 1
0
void CompCol :: timesT(const FloatArray &x, FloatArray &answer) const
{
    int M = dim_ [ 0 ];
    int N = dim_ [ 1 ];

    //      Check for compatible dimensions:
    if ( x.giveSize() != M ) {
        OOFEM_ERROR("Error in CompCol -- incompatible dimensions");
    }

    answer.resize(N);
    answer.zero();
    int i, t;
    double r;

    for ( i = 0; i < N; i++ ) {
        r = 0.0;
        for ( t = colptr_(i); t < colptr_(i + 1); t++ ) {
            r += val_(t) * x( rowind_(t) );
        }

        answer(i) = r;
    }
}
Exemplo n.º 2
0
int SymCompCol :: buildInternalStructure(EngngModel *eModel, int di, EquationID ut, const UnknownNumberingScheme &s)
{
    /*
     * IntArray  loc;
     * Domain* domain = eModel->giveDomain(di);
     * int neq = eModel -> giveNumberOfDomainEquations (di);
     * int nelem = domain -> giveNumberOfElements() ;
     * int i,ii,j,jj,n, indx;
     * Element* elem;
     * // allocation map
     * int nmap = neq*neq-neq*(neq-1)/2;
     * char* map = new char[nmap];
     * if (map == NULL) {
     * printf ("CompCol::buildInternalStructure - map creation failed");
     * exit (1);
     * }
     *
     * for (i=0; i<nmap; i++)
     * map[i]=0;
     *
     * this->nz_ = 0;
     *
     * for (n=1 ; n<=nelem ; n++) {
     * elem = domain -> giveElement(n);
     * elem -> giveLocationArray (loc) ;
     *
     * for (i=1 ; i <= loc.giveSize() ; i++) {
     * if ((ii = loc.at(i))) {
     *  for (j=1; j <= loc.giveSize() ; j++) {
     *   if ((jj=loc.at(j)) && (ii>=jj)) {
     *    if (MAP(ii-1,jj-1) == 0) {
     *     MAP(ii-1,jj-1) = 1;
     *     this->nz_ ++;
     *    }
     *   }
     *  }
     * }
     * }
     * }
     *
     * rowind_.resize (nz_);
     * colptr_.resize (neq+1);
     * indx = 0;
     * for (j=0; j<neq; j++) { // column loop
     * colptr_(j) = indx;
     * for (i=j; i<neq; i++) { // row loop
     *  if (MAP(i,j)) {
     *   rowind_(indx) = i;
     *   indx++;
     *  }
     * }
     * }
     * colptr_(neq) = indx;
     *
     * // delete map
     * delete (map);
     *
     * // allocate value array
     * val_.resize(nz_);
     * val_.zero();
     *
     * printf ("\nSymCompCol info: neq is %d, nwk is %d\n",neq,nz_);
     *
     * dim_[0] = dim_[1] = nColumns = nRows = neq;
     *
     * // increment version
     * this->version++;
     *
     * return true;
     */
    IntArray loc;
    Domain *domain = eModel->giveDomain(di);
    int neq = eModel->giveNumberOfDomainEquations(di, ut);
    int nelem = domain->giveNumberOfElements();
    int i, ii, j, jj, n, indx;
    Element *elem;
    // allocation map
    std :: vector< std :: set< int > >columns(neq);
    /*
     * std::set<int> **columns = new std::set<int>*[neq];
     * for (j=0; j<neq; j++) {
     * columns[j] = new std::set<int>;
     * }
     */

    this->nz_ = 0;

    for ( n = 1; n <= nelem; n++ ) {
        elem = domain->giveElement(n);
        elem->giveLocationArray(loc, ut, s);

        for ( i = 1; i <= loc.giveSize(); i++ ) {
            if ( ( ii = loc.at(i) ) ) {
                for ( j = 1; j <= loc.giveSize(); j++ ) {
                    if ( ( jj = loc.at(j) ) && ( ii >= jj ) ) {
                        columns [ jj - 1 ].insert(ii - 1);
                    }
                }
            }
        }
    }

    for ( i = 0; i < neq; i++ ) {
        this->nz_ += columns [ i ].size();
    }

    rowind_.resize(nz_);
    colptr_.resize(neq + 1);
    indx = 0;

    std :: set< int > :: iterator pos;
    for ( j = 0; j < neq; j++ ) { // column loop
        colptr_(j) = indx;
        for ( pos = columns [ j ].begin(); pos != columns [ j ].end(); ++pos ) { // row loop
            rowind_(indx++) = * pos;
        }
    }

    colptr_(neq) = indx;

    /*
     * // delete map
     * for (i=0; i< neq; i++) {columns[i]->clear(); delete columns[i];}
     * delete columns;
     */

    // allocate value array
    val_.resize(nz_);
    val_.zero();

    OOFEM_LOG_INFO("SymCompCol info: neq is %d, nwk is %d\n", neq, nz_);

    dim_ [ 0 ] = dim_ [ 1 ] = nColumns = nRows = neq;

    // increment version
    this->version++;

    return true;
}
Exemplo n.º 3
0
int CompCol :: buildInternalStructure(EngngModel *eModel, int di, const UnknownNumberingScheme &s)
{
    /*
     * IntArray  loc;
     * Domain* domain = eModel->giveDomain(di);
     * int neq = eModel -> giveNumberOfDomainEquations (di);
     * int nelem = domain -> giveNumberOfElements() ;
     * int i,ii,j,jj,n, indx;
     * Element* elem;
     * // allocation map
     * char* map = new char[neq*neq];
     * if (map == NULL) {
     * printf ("CompCol::buildInternalStructure - map creation failed");
     * exit (1);
     * }
     *
     * for (i=0; i<neq*neq; i++)
     * map[i]=0;
     *
     *
     * this->nz_ = 0;
     *
     * for (n=1 ; n<=nelem ; n++) {
     * elem = domain -> giveElement(n);
     * elem -> giveLocationArray (loc) ;
     *
     * for (i=1 ; i <= loc.giveSize() ; i++) {
     * if ((ii = loc.at(i))) {
     *  for (j=1; j <= loc.giveSize() ; j++) {
     *   if ((jj=loc.at(j))) {
     *    if (map[(ii-1)*neq+jj-1] == 0) {
     *     map[(ii-1)*neq+jj-1] = 1;
     *     this->nz_ ++;
     *    }
     *   }
     *  }
     * }
     * }
     * }
     *
     * rowind_.resize (nz_);
     * colptr_.resize (neq+1);
     * indx = 0;
     * for (j=0; j<neq; j++) { // column loop
     * colptr_(j) = indx;
     * for (i=0; i<neq; i++) { // row loop
     *  if (map[i*neq+j]) {
     *   rowind_(indx) = i;
     *   indx++;
     *  }
     * }
     * }
     * colptr_(neq) = indx;
     *
     * // delete map
     * delete (map);
     *
     * // allocate value array
     * val_.resize(nz_);
     * val_.zero();
     *
     * printf ("\nCompCol info: neq is %d, nwk is %d\n",neq,nz_);
     *
     * dim_[0] = dim_[1] = nColumns = nRows = neq;
     *
     * // increment version
     * this->version++;
     *
     * return true;
     */
    IntArray loc;
    Domain *domain = eModel->giveDomain(di);
    int neq = eModel->giveNumberOfDomainEquations(di, s);
    int nelem = domain->giveNumberOfElements();
    int i, ii, j, jj, n, indx;
    Element *elem;
    // allocation map
    std :: vector< std :: set< int > > columns(neq);
    /*
     * std::set<int> **columns = new std::set<int>*[neq];
     * for (j=0; j<neq; j++) {
     * columns[j] = new std::set<int>;
     * }
     */

    this->nz_ = 0;

    for ( n = 1; n <= nelem; n++ ) {
        elem = domain->giveElement(n);
        elem->giveLocationArray(loc, s);

        for ( i = 1; i <= loc.giveSize(); i++ ) {
            if ( ( ii = loc.at(i) ) ) {
                for ( j = 1; j <= loc.giveSize(); j++ ) {
                    if ( ( jj = loc.at(j) ) ) {
                        columns [ jj - 1 ].insert(ii - 1);
                    }
                }
            }
        }
    }


    // loop over active boundary conditions
    int nbc = domain->giveNumberOfBoundaryConditions();
    std :: vector< IntArray >r_locs;
    std :: vector< IntArray >c_locs;

    for ( int i = 1; i <= nbc; ++i ) {
        ActiveBoundaryCondition *bc = dynamic_cast< ActiveBoundaryCondition * >( domain->giveBc(i) );
        if ( bc != NULL ) {
            bc->giveLocationArrays(r_locs, c_locs, UnknownCharType, s, s);
            for ( std :: size_t k = 0; k < r_locs.size(); k++ ) {
                IntArray &krloc = r_locs [ k ];
                IntArray &kcloc = c_locs [ k ];
                for ( int i = 1; i <= krloc.giveSize(); i++ ) {
                    if ( ( ii = krloc.at(i) ) ) {
                        for ( int j = 1; j <= kcloc.giveSize(); j++ ) {
                            if ( ( jj = kcloc.at(j) ) ) {
                                columns [ jj - 1 ].insert(ii - 1);
                            }
                        }
                    }
                }
            }
        }
    }

    for ( i = 0; i < neq; i++ ) {
        this->nz_ += columns [ i ].size();
    }

    rowind_.resize(nz_);
    colptr_.resize(neq + 1);
    indx = 0;

    for ( j = 0; j < neq; j++ ) { // column loop
        colptr_(j) = indx;
        for ( int row: columns [  j ] ) { // row loop
            rowind_(indx++) = row;
        }
    }

    colptr_(neq) = indx;

    /*
     * // delete map
     * for (i=0; i< neq; i++) {columns[i]->clear(); delete columns[i];}
     * delete columns;
     */

    // allocate value array
    val_.resize(nz_);
    val_.zero();

    OOFEM_LOG_DEBUG("CompCol info: neq is %d, nwk is %d\n", neq, nz_);

    dim_ [ 0 ] = dim_ [ 1 ] = nColumns = nRows = neq;

    // increment version
    this->version++;

    return true;
}