Beispiel #1
0
// Copy constructors
SimpleMatrix::SimpleMatrix(const SimpleMatrix &smat): SiconosMatrix(smat.getNum()), _isPLUFactorized(false), _isQRFactorized(false), _isPLUInversed(false)
{
  if (num == 1)
  {
    mat.Dense = new DenseMat(smat.size(0), smat.size(1));
    noalias(*mat.Dense) = (*smat.dense());
  }
  //   mat.Dense = new DenseMat(*smat.dense());

  else if (num == 2)
    mat.Triang = new TriangMat(*smat.triang());

  else if (num == 3)

    mat.Sym = new SymMat(*smat.sym());

  else if (num == 4)
    mat.Sparse = new SparseMat(*smat.sparse());

  else if (num == 5)
    mat.Banded = new BandedMat(*smat.banded());

  else if (num == 6)
    mat.Zero = new ZeroMat(smat.size(0), smat.size(1));

  else// if(num == 7)
    mat.Identity = new IdentityMat(smat.size(0), smat.size(1));
}
Beispiel #2
0
const SimpleMatrix matrix_pow(const SimpleMatrix& m, unsigned int power)
{
  if (m.isBlock())
    SiconosMatrixException::selfThrow("Matrix, pow function: not yet implemented for BlockMatrix.");
  if ( m.size(0) != m.size(1))
    SiconosMatrixException::selfThrow("matrix_pow(SimpleMatrix), matrix is not square.");

  if (power > 0)
  {
    unsigned int num = m.num();
    if (num == 1)
    {
      DenseMat p = *m.dense();
      for (unsigned int i = 1; i < power; i++)
        p = prod(p, *m.dense());
      return p;
    }
    else if (num == 2)
    {
      TriangMat t = *m.triang();
      for (unsigned int i = 1; i < power; i++)
        t = prod(t, *m.triang());
      return t;
    }
    else if (num == 3)
    {
      SymMat s = *m.sym();
      for (unsigned int i = 1; i < power; i++)
        s = prod(s, *m.sym());
      return s;
    }
    else if (num == 4)
    {
      SparseMat sp = *m.sparse();
      for (unsigned int i = 1; i < power; i++)
        sp = prod(sp, *m.sparse());
      return sp;
    }
    else if (num == 5)
    {
      DenseMat b = *m.banded();
      for (unsigned int i = 1; i < power; i++)
        b = prod(b, *m.banded());
      return b;
    }
    else if (num == 6)
    {
      ZeroMat z(m.size(0), m.size(1));
      return z;
    }
    else // if (num==7)
    {
      IdentityMat I(m.size(0), m.size(1));;
      return I;
    }
  }
  else// if(power == 0)
  {
    IdentityMat I = ublas::identity_matrix<double>(m.size(0), m.size(1));
    return I;
  }
}