/// <summary>
/// Do symbolic and numeric factorization.
/// </summary>
protected virtual int DoFactorize()
{
A = CreateSparse(matrix, handles);
if (NativeMethods.cholmod_check_sparse(ref A, ref common) != 1)
{
return(-1);
}
Lp = NativeMethods.cholmod_analyze(ref A, ref common);
L = (CholmodFactor)Marshal.PtrToStructure(Lp, typeof(CholmodFactor));
return(NativeMethods.cholmod_factorize(ref A, ref L, ref common));
}
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
InteropHelper.Free(handles);
}
if (Lp != IntPtr.Zero)
{
NativeMethods.cholmod_free_factor(ref Lp, ref common);
NativeMethods.cholmod_finish(ref common);
L = default(CholmodFactor);
}
}
