From 5314ada3ae0bf3326f80478e4a248070b7b8728d Mon Sep 17 00:00:00 2001
From: Donny <dzimmanck@enphaseenergy.com>
Date: Wed, 22 Nov 2023 10:04:51 -0800
Subject: [PATCH] Added SPDX headers to the source files in preparation for the
 first release.

---
 src/biquad.rs | 4 ++++
 src/lib.rs    | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/src/biquad.rs b/src/biquad.rs
index 51e55ed..099cc52 100644
--- a/src/biquad.rs
+++ b/src/biquad.rs
@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2023 Enphase Energy, Inc.
+//
+// SPDX-License-Identifier: Apache-2.0
+
 #[allow(unused_imports)]
 use micromath::F32Ext; // enable floating point sin/cos approximations in microcontrollers
 
diff --git a/src/lib.rs b/src/lib.rs
index aa0df6f..3d04f80 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2023 Enphase Energy, Inc.
+//
+// SPDX-License-Identifier: Apache-2.0
+
 /*!
 # `fixed-filters`