message: remove operator from LS base class
diff: @@ -61,13 +61,6 @@ namespace mfem
  for given b, y, t and gamma, where gamma is a scaled time step. */
  class SundialsODELinearSolver
  {
  - private:
  - TimeDependentOperator *oper;
  -
  - protected:
  - SundialsODELinearSolver() : oper(NULL) { }
  - virtual ~SundialsODELinearSolver();
  -
  public:
  /** Setup the ODE linear system A(y,t) = (I - gamma J) or A = (M - gamma J)
  @param[in] t The time at which A(y,t) should be evaluated
  @@ -80,7 +73,7 @@ namespace mfem
  double gamma)
  {
  mfem_error("SundialsODELinearSolver::ODELinSys() is not overridden!");
  - return(1);
  + return(-1);
  }
  /** Setup the ODE Mass matrix system M
  @@ -88,7 +81,7 @@ namespace mfem
  virtual int ODEMassSys(double t)
  {
  mfem_error("SundialsODELinearSolver::ODEMassSys() is not overridden!");
  - return(1);
  + return(-1);
  }
  /** Initialize the linear solver (optional) */
  