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Implementation of synth waveforms, tests

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This commit is contained in:
Jamie Hardt 2024-08-09 12:54:41 -07:00
parent eef2edaa3d
commit 107454efde
1 changed files with 14 additions and 6 deletions
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20
src/source/synth.rs
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@ -106,6 +106,7 @@ impl Source for SynthWaveform {
#[cfg(test)]
mod tests {
use crate::source::synth::*;
use approx::assert_abs_diff_eq;
#[test]
fn square() {
@ -165,10 +166,17 @@ mod tests {
assert_eq!(wf.next(), Some(-1.0f32));
}
// #[test]
// fn sine() {
// let mut wf =
// SynthWaveform::new(cpal::SampleRate(1000), 100f32, SynthWaveformFunction::Sine);
//
// }
#[test]
fn sine() {
let mut wf =
SynthWaveform::new(cpal::SampleRate(1000), 100f32, SynthWaveformFunction::Sine);
assert_abs_diff_eq!(wf.next().unwrap(), 0.0f32);
assert_abs_diff_eq!(wf.next().unwrap(), 0.58778525f32);
assert_abs_diff_eq!(wf.next().unwrap(), 0.95105652f32);
assert_abs_diff_eq!(wf.next().unwrap(), 0.95105652f32);
assert_abs_diff_eq!(wf.next().unwrap(), 0.58778525f32);
assert_abs_diff_eq!(wf.next().unwrap(), 0.0f32);
assert_abs_diff_eq!(wf.next().unwrap(), -0.58778554f32);
}
}