tulip_rs 0.1.4

High-performance technical analysis library — 100+ indicators and 60+ candlestick patterns with SIMD acceleration
Documentation 
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use std::simd::Simd;
/// Minimal trait for types that can be used as buffer elements
pub trait BufferElement: Copy + Default + Send + Sync + 'static {}

impl BufferElement for f64 {}
impl<const N: usize> BufferElement for Simd<f64, N> {}
#[inline(always)]
pub(crate) fn period_to_idx(index: usize, capacity: usize, period: usize) -> usize {
    let mut idx = index as i32 - period as i32 - 1;
    idx = if idx < 0 {
        idx + capacity as i32
    } else {
        idx
    };
    idx as usize
}