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use crate::math::ArgminNorm;
macro_rules! make_norm_unsigned {
($t:ty) => {
impl ArgminNorm<$t> for $t {
#[inline]
fn norm(&self) -> $t {
*self
}
}
};
}
macro_rules! make_norm {
($t:ty) => {
impl ArgminNorm<$t> for $t {
#[inline]
fn norm(&self) -> $t {
(*self).abs()
}
}
};
}
make_norm!(isize);
make_norm_unsigned!(usize);
make_norm!(i8);
make_norm!(i16);
make_norm!(i32);
make_norm!(i64);
make_norm_unsigned!(u8);
make_norm_unsigned!(u16);
make_norm_unsigned!(u32);
make_norm_unsigned!(u64);
make_norm!(f32);
make_norm!(f64);
#[cfg(test)]
mod tests {
use super::*;
use paste::item;
macro_rules! make_test {
($t:ty) => {
item! {
#[test]
fn [<test_norm_ $t>]() {
let a = 8 as $t;
let res = <$t as ArgminNorm<$t>>::norm(&a);
assert!(((a - res) as f64).abs() < std::f64::EPSILON);
}
}
};
}
macro_rules! make_test_signed {
($t:ty) => {
item! {
#[test]
fn [<test_norm_signed_ $t>]() {
let a = -8 as $t;
let res = <$t as ArgminNorm<$t>>::norm(&a);
assert!(((8 as $t - res) as f64).abs() < std::f64::EPSILON);
}
}
};
}
make_test!(isize);
make_test!(usize);
make_test!(i8);
make_test!(u8);
make_test!(i16);
make_test!(u16);
make_test!(i32);
make_test!(u32);
make_test!(i64);
make_test!(u64);
make_test!(f32);
make_test!(f64);
make_test_signed!(isize);
make_test_signed!(i8);
make_test_signed!(i16);
make_test_signed!(i32);
make_test_signed!(i64);
make_test_signed!(f32);
make_test_signed!(f64);
}