polars_compute/min_max/
mod.rs

1use polars_utils::min_max::MinMax;
2
3pub use self::dyn_array::{
4    dyn_array_max_ignore_nan, dyn_array_max_propagate_nan, dyn_array_min_ignore_nan,
5    dyn_array_min_max_propagate_nan, dyn_array_min_propagate_nan,
6};
7
8/// Low-level min/max kernel.
9pub trait MinMaxKernel {
10    type Scalar<'a>: MinMax
11    where
12        Self: 'a;
13
14    fn min_ignore_nan_kernel(&self) -> Option<Self::Scalar<'_>>;
15    fn max_ignore_nan_kernel(&self) -> Option<Self::Scalar<'_>>;
16    fn min_max_ignore_nan_kernel(&self) -> Option<(Self::Scalar<'_>, Self::Scalar<'_>)> {
17        Some((self.min_ignore_nan_kernel()?, self.max_ignore_nan_kernel()?))
18    }
19
20    fn min_propagate_nan_kernel(&self) -> Option<Self::Scalar<'_>>;
21    fn max_propagate_nan_kernel(&self) -> Option<Self::Scalar<'_>>;
22    fn min_max_propagate_nan_kernel(&self) -> Option<(Self::Scalar<'_>, Self::Scalar<'_>)> {
23        Some((
24            self.min_propagate_nan_kernel()?,
25            self.max_propagate_nan_kernel()?,
26        ))
27    }
28}
29
30// Trait to enable the scalar blanket implementation.
31trait NotSimdPrimitive {}
32
33#[cfg(not(feature = "simd"))]
34impl<T> NotSimdPrimitive for T {}
35
36#[cfg(feature = "simd")]
37impl NotSimdPrimitive for u128 {}
38#[cfg(feature = "simd")]
39impl NotSimdPrimitive for i128 {}
40
41mod dyn_array;
42mod scalar;
43
44#[cfg(feature = "simd")]
45mod simd;
polars_compute/min_max/mod.rs

polars_compute/min_max/
mod.rs
