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use num::arithmetic::traits::NegAssign;

macro_rules! impl_neg_signed {
    ($t:ident) => {
        impl NegAssign for $t {
            /// Negates a number in place.
            ///
            /// Assumes that the negative can be represented.
            ///
            /// $x \gets -x$.
            ///
            /// # Worst-case complexity
            /// Constant time and additional memory.
            ///
            /// # Examples
            /// See [here](super::neg#neg_assign).
            #[inline]
            fn neg_assign(&mut self) {
                *self = -*self;
            }
        }
    };
}
apply_to_signeds!(impl_neg_signed);

macro_rules! impl_neg_float {
    ($t:ident) => {
        impl NegAssign for $t {
            /// Negates a number in place.
            ///
            /// Assumes that the negative can be represented.
            ///
            /// $x \gets -x$.
            ///
            /// # Worst-case complexity
            /// Constant time and additional memory.
            ///
            /// # Examples
            /// See [here](super::neg#neg_assign).
            #[inline]
            fn neg_assign(&mut self) {
                *self = -*self;
            }
        }
    };
}
apply_to_primitive_floats!(impl_neg_float);