30 lines
703 B
Rust
30 lines
703 B
Rust
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/// Unary operator for retrieving the multiplicative inverse, or reciprocal, of a value.
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pub trait Inv {
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/// The result after applying the operator.
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type Output;
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/// Returns the multiplicative inverse of `Self`.
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fn inv(self) -> Self::Output;
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}
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macro_rules! inv_impl {
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($t:ty, $out:ty, $fn:expr) => {
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impl<'a> Inv for $t {
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type Output = $out;
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#[inline]
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fn inv(self) -> $out {
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($fn)(self)
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}
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}
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}
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}
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#[cfg(feature = "std")]
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mod float_impls {
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inv_impl!(f32, f32, f32::recip);
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inv_impl!(f64, f64, f64::recip);
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inv_impl!(&'a f32, f32, f32::recip);
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inv_impl!(&'a f64, f64, f64::recip);
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}
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