/*

  Routines for the Euler ODE Integration

*/

class Euler:public DEF
{
  
public:

double euler2a(int neqn, double t0, double tf, double u[], double u0[],
               int nsteps);
    
double euler2b(int neqn, double t0, double tf, double u[], double u0[],
               int nsteps, double abserr, double relerr);
  
double sseuler(int neqn, double t0, double u0[], double h, double u[],
               double e[]);
};