19 lines
589 B
Plaintext
19 lines
589 B
Plaintext
use std::ops::{Add, Sub, Mul, Div};
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fn map_range<T: Copy>(from_range: (T, T), to_range: (T, T), s: T) -> T
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where T: Add<T, Output=T> +
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Sub<T, Output=T> +
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Mul<T, Output=T> +
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Div<T, Output=T>
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{
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to_range.0 + (s - from_range.0) * (to_range.1 - to_range.0) / (from_range.1 - from_range.0)
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}
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fn main() {
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let input: Vec<f64> = vec![0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0];
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let result = input.into_iter()
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.map(|x| map_range((0.0, 10.0), (-1.0, 0.0), x))
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.collect::<Vec<f64>>();
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print!("{:?}", result);
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}
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