message: Switch to use Device::IsEnable
diff: @@ -667,8 +667,7 @@ void SparseMatrix::AddMultTranspose(const Vector &x, Vector &y,
  return;
  }
  - if (Device::Allows(Backend::OMP_MASK))||
  - Device::Allows(Backend::CUDA_MASK))
  + if (Device::IsEnabled())
  {
  if (!tA) { tA = Transpose(*this); }
  tA->AddMult(x, y, a);
  