From 306f96164784a8cbf405e72fa4364d6523366e95 Mon Sep 17 00:00:00 2001
From: metamuffin <metamuffin@disroot.org>
Date: Mon, 5 May 2025 15:09:54 +0200
Subject: old dir

---
 dhwt-codec/src/transform.rs | 42 ------------------------------------------
 1 file changed, 42 deletions(-)
 delete mode 100644 dhwt-codec/src/transform.rs

(limited to 'dhwt-codec/src/transform.rs')

diff --git a/dhwt-codec/src/transform.rs b/dhwt-codec/src/transform.rs
deleted file mode 100644
index 82bccd1..0000000
--- a/dhwt-codec/src/transform.rs
+++ /dev/null
@@ -1,42 +0,0 @@
-use crate::io::{Value, TWO};
-use std::ops::{Index, IndexMut};
-
-pub fn encode<X: Index<usize, Output = Value> + IndexMut<usize, Output = Value>>(
-    size: usize,
-    a: &mut X,
-    b: &mut X,
-) {
-    let mut k = size;
-    while k != 1 {
-        k /= 2;
-        for i in 0..k {
-            let x = a[i * 2];
-            let y = a[i * 2 + 1];
-            b[i] = x + y;
-            b[k + i] = x - y;
-        }
-        for i in 0..k {
-            a[i] = b[i]
-        }
-    }
-}
-
-pub fn decode<X: Index<usize, Output = Value> + IndexMut<usize, Output = Value>>(
-    size: usize,
-    a: &mut X,
-    b: &mut X,
-) {
-    let mut k = 1;
-    while k != size {
-        for i in 0..k {
-            let avr = a[i] / TWO;
-            let spread = a[i + k] / TWO;
-            b[i * 2] = avr + spread;
-            b[i * 2 + 1] = avr - spread;
-        }
-        k *= 2;
-        for i in 0..k {
-            a[i] = b[i]
-        }
-    }
-}
-- 
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