169 lines
4.3 KiB
Rust
169 lines
4.3 KiB
Rust
// Copyright (c) 2021 Weird Constructor <weirdconstructor@gmail.com>
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// This file is a part of HexoDSP. Released under GPL-3.0-or-later.
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// See README.md and COPYING for details.
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mod common;
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use common::*;
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use hexodsp::dsp::helpers::Quantizer;
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use hexodsp::d_pit;
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#[test]
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fn check_quant_pos_neg_exact() {
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let mut q = Quantizer::new();
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q.set_keys(0x0);
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let v =
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(0..=12).map(|i|
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d_pit!(
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q.process(
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i as f32 * (0.1 / 12.0)))
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).collect::<Vec<f32>>();
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assert_vec_feq!(v, vec![
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440.0,
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466.1638,
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493.8833,
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523.2511,
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554.3653,
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587.3295,
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622.25397,
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659.2551,
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698.4565,
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739.98883,
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783.9909,
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830.6094,
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880.0
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]);
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let v =
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(0..=12).map(|i|
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d_pit!(q.process(i as f32 * (-0.1 / 12.0)))
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).collect::<Vec<f32>>();
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assert_vec_feq!(v, vec![
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440.0,
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415.3047,
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391.99542,
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369.99442,
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349.22824,
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329.62756,
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311.12698,
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293.66476,
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277.18265,
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261.62555,
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246.94165,
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233.08186,
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220.0
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]);
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}
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#[test]
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fn check_quant_precise_01_range() {
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let mut q = Quantizer::new();
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q.set_keys(0x0);
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let v =
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(0..=48).map(|i|
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d_pit!(
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q.process(
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i as f32 * ((0.1 * 0.25) / 12.0)))
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).collect::<Vec<f32>>();
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assert_vec_feq!(v, vec![
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440.0,
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466.1638, 466.1638, 466.1638, 466.1638,
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493.8833, 493.8833, 493.8833, 493.8833,
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523.2511, 523.2511, 523.2511, 523.2511,
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554.3653, 554.3653, 554.3653, 554.3653,
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587.3295, 587.3295, 587.3295, 587.3295,
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622.25397, 622.25397, 622.25397, 622.25397,
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659.2551, 659.2551, 659.2551, 659.2551,
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698.4565, 698.4565, 698.4565, 698.4565,
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739.98883, 739.98883, 739.98883, 739.98883,
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783.9909, 783.9909, 783.9909, 783.9909,
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830.6094, 830.6094, 830.6094, 830.6094,
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880.0, 880.0, 880.0, 880.0
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]);
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}
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#[test]
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fn check_quant_neg_pos_range() {
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let mut q = Quantizer::new();
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q.set_keys(0x0);
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let v =
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(0..=48).map(|i| {
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let i = i - 24;
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d_pit!(
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q.process(
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i as f32 * ((0.1 * 0.25) / 12.0)))
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}).collect::<Vec<f32>>();
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assert_vec_feq!(v, vec![
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311.12698, 311.12698,
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329.62756, 329.62756, 329.62756, 329.62756,
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349.22824, 349.22824, 349.22824, 349.22824,
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369.99442, 369.99442, 369.99442, 369.99442,
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391.99542, 391.99542, 391.99542, 391.99542,
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415.3047, 415.3047, 415.3047, 415.3047,
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440.0, 440.0, 440.0,
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466.1638, 466.1638, 466.1638, 466.1638,
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493.8833, 493.8833, 493.8833, 493.8833,
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523.2511, 523.2511, 523.2511, 523.2511,
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554.3653, 554.3653, 554.3653, 554.3653,
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587.3295, 587.3295, 587.3295, 587.3295,
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622.25397, 622.25397, 622.25397, 622.25397
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]);
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}
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#[test]
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fn check_quant_edge_oct_offs() {
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let mut q = Quantizer::new();
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q.set_keys(0b1001_0000_0000);
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let v =
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(0..=24).map(|i| {
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d_pit!(
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q.process(
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i as f32 * ((0.1 * 0.5) / 12.0)))
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}).collect::<Vec<f32>>();
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assert_vec_feq!(v, vec![
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415.3047,
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493.8833, 493.8833, 493.8833, 493.8833, 493.8833,
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493.8833, 493.8833, 493.8833, 493.8833, 493.8833,
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493.8833, 493.8833,
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830.6094, 830.6094, 830.6094, 830.6094, 830.6094,
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830.6094, 830.6094, 830.6094, 830.6094, 830.6094,
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830.6094, 830.6094
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]);
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}
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#[test]
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fn check_quant_one_key() {
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let mut q = Quantizer::new();
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q.set_keys(0b0010_0000_0000);
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let v =
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(0..=48).map(|i| {
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let i = i - 24;
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d_pit!(
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q.process(
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i as f32 * ((0.1 * 0.5) / 12.0)))
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}).collect::<Vec<f32>>();
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assert_vec_feq!(v, vec![
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220.0, 220.0, 220.0, 220.0, 220.0, 220.0,
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220.0, 220.0, 220.0, 220.0, 220.0, 220.0,
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220.0,
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440.0, 440.0, 440.0, 440.0, 440.0, 440.0,
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440.0, 440.0, 440.0, 440.0, 440.0, 440.0,
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440.0, 440.0, 440.0, 440.0, 440.0, 440.0,
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440.0, 440.0, 440.0, 440.0, 440.0, 440.0,
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880.0, 880.0, 880.0, 880.0, 880.0, 880.0,
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880.0, 880.0, 880.0, 880.0, 880.0, 880.0
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]);
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}
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