Subversion Repositories openrisc

// { dg-do assemble  }

// Gets ICE 40.

#include 

#include

#include 

using namespace std;

class ODEsolver

{

    private:

        void eulerODE(vector& y, double& t, double& dt);

        void midpointODE(vector& y, double& t, double& dt);

    protected:

        void (ODEsolver::*useMethod)(vector&, double&, double&);

        void init();

    public:

        ODEsolver();

        void timeloop(vector& y, double ts, double te, double dt);

};

ODEsolver::ODEsolver()

{

  init();

}

void ODEsolver::eulerODE(vector& y, double& t, double& dt)

{

  y[0] = dt * 2.;

}

void ODEsolver::midpointODE(vector& y, double& t, double& dt)

{

  y[0] = dt * 3.;

}

void ODEsolver::init()

{

  ODEsolver::useMethod = &ODEsolver::midpointODE;

}

void ODEsolver::timeloop(vector& y, double ts, double te, double dt)

{

  (ODEsolver::useMethod)(y,ts,dt); // { dg-error "" } should use this->*

}

int main (int nargs, char** args)

{

  ODEsolver solver;

  vector y(2);  double t_start=5.;  double t_end=7.;  double dt=2.;

  solver.timeloop(y,t_start,t_end,dt);

  cout << y[0] << endl;

  return(0);

}