Struct FftPoisson

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pub struct FftPoisson {
    pub shape: [usize; 3],
    pub dx: [f64; 3],
}

Expand description

Periodic-BC Poisson solver. O(N³ log N). For cosmological boxes.

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§shape: [usize; 3]§dx: [f64; 3]

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impl FftPoisson

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pub fn new(domain: &Domain) -> Self

Trait Implementations§

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impl PoissonSolver for FftPoisson

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fn solve(&self, density: &DensityField, g: f64) -> PotentialField

Solve ∇²Φ = 4πGρ and return the potential field.

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fn compute_acceleration(&self, potential: &PotentialField) -> AccelerationField

Compute the gravitational acceleration g = −∇Φ via spectral differentiation or finite differences.

Auto Trait Implementations§

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impl UnwindSafe for FftPoisson

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impl<T> Any for T
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fn by_ref(&self) -> &T

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impl<T> DistributionExt for T
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fn from(t: T) -> T

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Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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