// 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));
}
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;
}
}
