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added simple interleavers

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Ahmet Inan 2023-03-27 11:07:04 +02:00
commit 346245c4cc
1 changed files with 32 additions and 0 deletions
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/*
Interleavers
Copyright 2023 Ahmet Inan <inan@aicodix.de>
*/
#pragma once
namespace CODE {
template <int SIZE, int ORDER, typename TYPE>
static void Interleave(TYPE *out, const TYPE *in)
{
static_assert(SIZE % ORDER == 0, "ORDER does not divide SIZE");
int LENGTH = SIZE / ORDER;
for (int i = 0; i < LENGTH; ++i)
for (int j = 0; j < ORDER; ++j)
out[ORDER*i+j] = in[i+j*LENGTH];
}
template <int SIZE, int ORDER, typename TYPE>
static void Deinterleave(TYPE *out, const TYPE *in)
{
static_assert(SIZE % ORDER == 0, "ORDER does not divide SIZE");
int LENGTH = SIZE / ORDER;
for (int i = 0; i < LENGTH; ++i)
for (int j = 0; j < ORDER; ++j)
out[i+j*LENGTH] = in[ORDER*i+j];
}
}