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This commit is contained in:
Victoria Fischer
2024-11-28 19:38:44 +01:00
parent b1b088eab6
commit 5488f85792
3 changed files with 6 additions and 6 deletions
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6
src/lib8/trig.rs
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@ -1,6 +1,6 @@
use num::PrimInt;
const b_m16_interleave: [u8; 8] = [0, 49, 49, 41, 90, 27, 117, 10];
const B_M16_INTERLEAVE: [u8; 8] = [0, 49, 49, 41, 90, 27, 117, 10];
pub trait Trig8 {
fn sin8(self) -> u8;
@ -22,8 +22,8 @@ impl Trig8 for u8 {
let section: u8 = offset.unsigned_shr(4);
let s2: u8 = section * 2;
let b: u8 = b_m16_interleave[s2 as usize];
let m16: u8 = b_m16_interleave[s2 as usize + 1];
let b: u8 = B_M16_INTERLEAVE[s2 as usize];
let m16: u8 = B_M16_INTERLEAVE[s2 as usize + 1];
let mx: u8 = m16.wrapping_mul(secoffset).unsigned_shr(4);
let mut y: i8 = mx as i8 + b as i8;
if self & 0x80 != 0 {