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use crate::{Denominator, Numerator, Q};
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use core::ops::Neg;
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impl<N, D, No> Neg for Q<N, D>

            

        

            

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where

            

        

            

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    N: Numerator<D> + Neg<Output = No>,

            

        

            

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    D: Denominator,

            

        

            

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    No: Numerator<D>,

            

        

            

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{

            

        

            

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    type Output = Q<No, D>;

            

        

            

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    fn neg(self) -> Self::Output {

            

        

            

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        Self::Output::new()

            

        

            

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    }

            

        

            

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}

            

        

            

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#[cfg(test)]

            

        

            

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mod tests {

            

        

            

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    use super::*;

            

        

            

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    use typenum::consts::*;

            

        

            

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    #[test]

            

        

            

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    fn test_neg() {

            

        

            

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        // zero

            

        

            

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        assert!(-Q::<Z0>::new() == Q::<Z0>::new());

            

        

            

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        // positive

            

        

            

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        assert!(-Q::<P1, P2>::new() == Q::<N1, P2>::new());

            

        

            

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        // negative

            

        

            

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        assert!(-Q::<N1, P2>::new() == Q::<P1, P2>::new());

            

        

            

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    }

            

        

            

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}