nag_ode_ivp_rkts_interp (d02psc) Example Program Data
   Nag_RK_2_3                     : method
   Nag_ErrorAssess_off            : errass
   0.0     6.28318530717958647692 : tstart, tend
   0.0     1.0                    : yinit(1:n)
   0.0                            : hstart
   1.0E-8  1.0E-8                 : thresh(1:n)