diff options
Diffstat (limited to 'vendor/num-rational/src/pow.rs')
-rw-r--r-- | vendor/num-rational/src/pow.rs | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/vendor/num-rational/src/pow.rs b/vendor/num-rational/src/pow.rs deleted file mode 100644 index 3325332..0000000 --- a/vendor/num-rational/src/pow.rs +++ /dev/null @@ -1,173 +0,0 @@ -use crate::Ratio; - -use core::cmp; -use num_integer::Integer; -use num_traits::{One, Pow}; - -macro_rules! pow_unsigned_impl { - (@ $exp:ty) => { - type Output = Ratio<T>; - #[inline] - fn pow(self, expon: $exp) -> Ratio<T> { - Ratio::new_raw(self.numer.pow(expon), self.denom.pow(expon)) - } - }; - ($exp:ty) => { - impl<T: Clone + Integer + Pow<$exp, Output = T>> Pow<$exp> for Ratio<T> { - pow_unsigned_impl!(@ $exp); - } - impl<'a, T: Clone + Integer> Pow<$exp> for &'a Ratio<T> - where - &'a T: Pow<$exp, Output = T>, - { - pow_unsigned_impl!(@ $exp); - } - impl<'b, T: Clone + Integer + Pow<$exp, Output = T>> Pow<&'b $exp> for Ratio<T> { - type Output = Ratio<T>; - #[inline] - fn pow(self, expon: &'b $exp) -> Ratio<T> { - Pow::pow(self, *expon) - } - } - impl<'a, 'b, T: Clone + Integer> Pow<&'b $exp> for &'a Ratio<T> - where - &'a T: Pow<$exp, Output = T>, - { - type Output = Ratio<T>; - #[inline] - fn pow(self, expon: &'b $exp) -> Ratio<T> { - Pow::pow(self, *expon) - } - } - }; -} -pow_unsigned_impl!(u8); -pow_unsigned_impl!(u16); -pow_unsigned_impl!(u32); -pow_unsigned_impl!(u64); -pow_unsigned_impl!(u128); -pow_unsigned_impl!(usize); - -macro_rules! pow_signed_impl { - (@ &'b BigInt, BigUint) => { - type Output = Ratio<T>; - #[inline] - fn pow(self, expon: &'b BigInt) -> Ratio<T> { - match expon.sign() { - Sign::NoSign => One::one(), - Sign::Minus => { - Pow::pow(self, expon.magnitude()).into_recip() - } - Sign::Plus => Pow::pow(self, expon.magnitude()), - } - } - }; - (@ $exp:ty, $unsigned:ty) => { - type Output = Ratio<T>; - #[inline] - fn pow(self, expon: $exp) -> Ratio<T> { - match expon.cmp(&0) { - cmp::Ordering::Equal => One::one(), - cmp::Ordering::Less => { - let expon = expon.wrapping_abs() as $unsigned; - Pow::pow(self, expon).into_recip() - } - cmp::Ordering::Greater => Pow::pow(self, expon as $unsigned), - } - } - }; - ($exp:ty, $unsigned:ty) => { - impl<T: Clone + Integer + Pow<$unsigned, Output = T>> Pow<$exp> for Ratio<T> { - pow_signed_impl!(@ $exp, $unsigned); - } - impl<'a, T: Clone + Integer> Pow<$exp> for &'a Ratio<T> - where - &'a T: Pow<$unsigned, Output = T>, - { - pow_signed_impl!(@ $exp, $unsigned); - } - impl<'b, T: Clone + Integer + Pow<$unsigned, Output = T>> Pow<&'b $exp> for Ratio<T> { - type Output = Ratio<T>; - #[inline] - fn pow(self, expon: &'b $exp) -> Ratio<T> { - Pow::pow(self, *expon) - } - } - impl<'a, 'b, T: Clone + Integer> Pow<&'b $exp> for &'a Ratio<T> - where - &'a T: Pow<$unsigned, Output = T>, - { - type Output = Ratio<T>; - #[inline] - fn pow(self, expon: &'b $exp) -> Ratio<T> { - Pow::pow(self, *expon) - } - } - }; -} -pow_signed_impl!(i8, u8); -pow_signed_impl!(i16, u16); -pow_signed_impl!(i32, u32); -pow_signed_impl!(i64, u64); -pow_signed_impl!(i128, u128); -pow_signed_impl!(isize, usize); - -#[cfg(feature = "num-bigint")] -mod bigint { - use super::*; - use num_bigint::{BigInt, BigUint, Sign}; - - impl<T: Clone + Integer + for<'b> Pow<&'b BigUint, Output = T>> Pow<BigUint> for Ratio<T> { - type Output = Ratio<T>; - #[inline] - fn pow(self, expon: BigUint) -> Ratio<T> { - Pow::pow(self, &expon) - } - } - impl<'a, T: Clone + Integer> Pow<BigUint> for &'a Ratio<T> - where - &'a T: for<'b> Pow<&'b BigUint, Output = T>, - { - type Output = Ratio<T>; - #[inline] - fn pow(self, expon: BigUint) -> Ratio<T> { - Pow::pow(self, &expon) - } - } - impl<'b, T: Clone + Integer + Pow<&'b BigUint, Output = T>> Pow<&'b BigUint> for Ratio<T> { - pow_unsigned_impl!(@ &'b BigUint); - } - impl<'a, 'b, T: Clone + Integer> Pow<&'b BigUint> for &'a Ratio<T> - where - &'a T: Pow<&'b BigUint, Output = T>, - { - pow_unsigned_impl!(@ &'b BigUint); - } - - impl<T: Clone + Integer + for<'b> Pow<&'b BigUint, Output = T>> Pow<BigInt> for Ratio<T> { - type Output = Ratio<T>; - #[inline] - fn pow(self, expon: BigInt) -> Ratio<T> { - Pow::pow(self, &expon) - } - } - impl<'a, T: Clone + Integer> Pow<BigInt> for &'a Ratio<T> - where - &'a T: for<'b> Pow<&'b BigUint, Output = T>, - { - type Output = Ratio<T>; - #[inline] - fn pow(self, expon: BigInt) -> Ratio<T> { - Pow::pow(self, &expon) - } - } - impl<'b, T: Clone + Integer + Pow<&'b BigUint, Output = T>> Pow<&'b BigInt> for Ratio<T> { - pow_signed_impl!(@ &'b BigInt, BigUint); - } - impl<'a, 'b, T: Clone + Integer> Pow<&'b BigInt> for &'a Ratio<T> - where - &'a T: Pow<&'b BigUint, Output = T>, - { - pow_signed_impl!(@ &'b BigInt, BigUint); - } -} |