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use crate::num::arithmetic::traits::CoprimeWith;
use crate::num::basic::unsigneds::PrimitiveUnsigned;
pub_test! {coprime_with_check_2<T: PrimitiveUnsigned>(x: T, y: T) -> bool {
(x.odd() || y.odd()) && x.gcd(y) == T::ONE
}}
#[cfg(feature = "test_build")]
pub fn coprime_with_check_2_3<T: PrimitiveUnsigned>(x: T, y: T) -> bool {
(x.odd() || y.odd())
&& (!x.divisible_by(T::from(3u8)) || !y.divisible_by(T::from(3u8)))
&& x.gcd(y) == T::ONE
}
#[cfg(feature = "test_build")]
pub fn coprime_with_check_2_3_5<T: PrimitiveUnsigned>(x: T, y: T) -> bool {
if x.even() && y.even() {
false
} else {
let c15 = T::from(15u8);
let c3 = T::from(3u8);
let c6 = T::from(6u8);
let c9 = T::from(9u8);
let c12 = T::from(12u8);
let c5 = T::from(5u8);
let c10 = T::from(10u8);
let x15 = x % c15;
let y15 = y % c15;
if (x15 == T::ZERO || x15 == c3 || x15 == c6 || x15 == c9 || x15 == c12)
&& (y15 == T::ZERO || y15 == c3 || y15 == c6 || y15 == c9 || y15 == c12)
{
return false;
}
if (x15 == T::ZERO || x15 == c5 || x15 == c10)
&& (y15 == T::ZERO || y15 == c5 || y15 == c10)
{
return false;
}
x.gcd(y) == T::ONE
}
}
macro_rules! impl_coprime_with {
($t:ident) => {
impl CoprimeWith<$t> for $t {
#[inline]
fn coprime_with(self, other: $t) -> bool {
coprime_with_check_2(self, other)
}
}
};
}
apply_to_unsigneds!(impl_coprime_with);