nag_ode_ivp_rkts_range (d02pec) Example Program Results Calculation with tol = 1.0e-03 t y1 y2 0.000 0.000 1.000 (User-supplied callback f, first invocation.) 0.785 0.707 0.707 1.571 0.999 -0.000 2.356 0.706 -0.706 3.142 -0.000 -0.999 3.927 -0.706 -0.706 4.712 -0.998 0.000 5.498 -0.705 0.706 6.283 0.001 0.997 Cost of the integration in evaluations of f is 124 Calculation with tol = 1.0e-04 t y1 y2 0.000 0.000 1.000 0.785 0.707 0.707 1.571 1.000 -0.000 2.356 0.707 -0.707 3.142 -0.000 -1.000 3.927 -0.707 -0.707 4.712 -1.000 0.000 5.498 -0.707 0.707 6.283 0.000 1.000 Cost of the integration in evaluations of f is 235