bulletformat 1.8.0

Binary Data Formats, Data Loader and Utilities for bullet.
Documentation 
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pub fn sigmoid(x: f32, k: f32) -> f32 {
    1. / (1. + (-x * k).exp())
}

pub fn to_slice_with_lifetime<T, U>(slice: &[T]) -> &[U] {
    let src_size = std::mem::size_of_val(slice);
    let tgt_size = std::mem::size_of::<U>();

    assert!(
        src_size % tgt_size == 0,
        "Target type size does not divide slice size!"
    );

    let len = src_size / tgt_size;
    unsafe { std::slice::from_raw_parts(slice.as_ptr().cast(), len) }
}