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18 lines
396 B
18 lines
396 B
//! [Discrete Fourier transform][1].
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//!
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//! [1]: https://en.wikipedia.org/wiki/Discrete_Fourier_transform
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extern crate complex as number;
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macro_rules! power_of_two(
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($data:expr) => ({
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let n = $data.len();
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if n < 1 || n & (n - 1) != 0 {
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panic!("expected the number of points to be a power of two");
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}
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n
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});
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);
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pub mod complex;
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pub mod real;
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