single_algebra 0.9.2

A linear algebra convenience library for the single-rust library. Can be used externally as well.
Documentation 
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use std::hash::Hash;
use std::iter::repeat;
use single_utilities::traits::FloatOpsTS;
use single_utilities::types::Direction;

pub trait Normalize<T: FloatOpsTS> {
    fn normalize<U: FloatOpsTS>(
        &mut self,
        sums: &[U],
        target: U,
        direction: &Direction,
    ) -> anyhow::Result<()>;
}

pub trait Log1P<T: FloatOpsTS> {
    fn log1p_normalize(&mut self) -> anyhow::Result<()>;
}

pub trait ZeroVec {
    fn zero_len(&mut self, len: usize);
}

impl<T: Default + Clone> ZeroVec for Vec<T> {
    fn zero_len(&mut self, len: usize) {
        self.clear();
        self.reserve(len);
        self.extend(std::iter::repeat_n(T::default(), len));
    }
}

/// Trait for types that can be used to identify batches
pub trait BatchIdentifier: Clone + Eq + Hash {}

// Implement BatchIdentifier for common types
impl BatchIdentifier for String {}
impl BatchIdentifier for &str {}
impl BatchIdentifier for i32 {}
impl BatchIdentifier for u32 {}
impl BatchIdentifier for usize {}