Mercurial > repos > pointsource_algs / file comparison
comparison: src/fourier.rs
src/fourier.rs
- changeset 0
- eb3c7813b67a
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| -1:000000000000 | 0:eb3c7813b67a |
|---|---|
| 1 /*! | |
| 2 Fourier transform traits | |
| 3 */ | |
| 4 | |
| 5 use alg_tools::types::{Num, Float}; | |
| 6 use alg_tools::mapping::{RealMapping, Mapping}; | |
| 7 use alg_tools::bisection_tree::Weighted; | |
| 8 use alg_tools::loc::Loc; | |
| 9 | |
| 10 /// Trait for Fourier transforms. When F is a non-complex number, the transform | |
| 11 /// also has to be non-complex, i.e., the function itself symmetric. | |
| 12 pub trait Fourier<F : Num> : Mapping<Self::Domain, Codomain=F> { | |
| 13 type Domain; | |
| 14 type Transformed : Mapping<Self::Domain, Codomain=F>; | |
| 15 | |
| 16 fn fourier(&self) -> Self::Transformed; | |
| 17 } | |
| 18 | |
| 19 impl<F : Float, T, const N : usize> Fourier<F> | |
| 20 for Weighted<T, F> | |
| 21 where T : Fourier<F, Domain = Loc<F, N>> + RealMapping<F, N> { | |
| 22 type Domain = T::Domain; | |
| 23 type Transformed = Weighted<T::Transformed, F>; | |
| 24 | |
| 25 #[inline] | |
| 26 fn fourier(&self) -> Self::Transformed { | |
| 27 Weighted { | |
| 28 base_fn : self.base_fn.fourier(), | |
| 29 weight : self.weight | |
| 30 } | |
| 31 } | |
| 32 } |
