метод рунге-кутта, нужны подробности
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| real(kind=wp), | intent(in) | :: | y(n) | |||
| real(kind=wp), | intent(in) | :: | dydx(n) | |||
| integer, | intent(in) | :: | n | |||
| real(kind=wp), | intent(in) | :: | x | |||
| real(kind=wp), | intent(in) | :: | h | |||
| real(kind=wp), | intent(out) | :: | yout(n) | |||
| real(kind=wp), | intent(out) | :: | yerr(n) | |||
| procedure(Iderivs_func) | :: | derivs |