strong stability-preserving RK3
RK_STEP = false unless in multibox mode
SSP rk3 algorithm to advance explicit part of code if GK equation written as dg/dt = rhs - vpar . grad h, solve_gke returns rhs*dt this is g at intermediate time level
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| complex, | intent(inout), | dimension(:, :, -nzgrid:, :, vmu_lo%llim_proc:) | :: | g | ||
| logical, | intent(inout) | :: | restart_time_step | |||
| integer, | intent(in) | :: | istep |