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use noise_fns::NoiseFn; /// Noise function that outputs the absolute value of the output value from the /// source function. pub struct Abs<'a, T: 'a> { /// Outputs a value. pub source: &'a dyn NoiseFn<T>, } impl<'a, T> Abs<'a, T> { pub fn new(source: &'a dyn NoiseFn<T>) -> Self { Self { source } } } impl<'a, T> NoiseFn<T> for Abs<'a, T> { fn get(&self, point: T) -> f64 { (self.source.get(point)).abs() } }