Enum Integrator 

pub enum Integrator {
    Euler,
    Midpoint,
    Rk4,
}

Explicit fixed-step integrators.

Variants

Euler

First order. Cheap, and wrong fast enough to be visible — useful mainly as the thing a better integrator is compared against.

Midpoint

Second-order midpoint.

Rk4

Classical fourth-order Runge-Kutta. Accurate per step, and it dissipates: see the module docs before using it on anything conservative.

Implementations

impl Integrator

pub fn step<D: Dynamics>(&self, system: &D, s: &D::S, t: Time, dt: Time) -> D::S

One step of dt, from t.

pub fn advance<D: Dynamics>( &self, system: &D, s: &D::S, t: Time, dt: Time, n: u32, ) -> D::S

n steps of dt, which is how a domain subcycles inside a larger step.

Trait Implementations

impl Clone for Integrator

fn clone(&self) -> Integrator

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for Integrator

impl Debug for Integrator

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for Integrator

impl PartialEq for Integrator

fn eq(&self, other: &Integrator) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for Integrator