From 7574c5c7acaebe120de3efbaba56b8e9f474d330 Mon Sep 17 00:00:00 2001
From: Grant Shangreaux <grant@unabridgedsoftware.com>
Date: Thu, 2 Dec 2021 21:45:12 -0600
Subject: Clean: factor out a utils module and fix some tests

---
 klangfarbrs/src/utils.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 klangfarbrs/src/utils.rs

(limited to 'klangfarbrs/src/utils.rs')

diff --git a/klangfarbrs/src/utils.rs b/klangfarbrs/src/utils.rs
new file mode 100644
index 0000000..9f99e23
--- /dev/null
+++ b/klangfarbrs/src/utils.rs
@@ -0,0 +1,10 @@
+use super::{ Amplitude, Millisecond, SamplesPerSecond };
+
+pub fn slope(start: Amplitude, end: Amplitude, duration: Millisecond) -> f32 {
+    return (end - start) / duration as f32 ;
+}
+
+pub fn ms_to_samples(ms: Millisecond, sample_rate: SamplesPerSecond) -> u32 {
+    let multiplier = sample_rate as u32 / 1000;
+    multiplier * ms
+}
-- 
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