From d00c7a3d4aa749a27ebf9918728de6523ecc24be Mon Sep 17 00:00:00 2001 From: Chip Audette Date: Sat, 3 Dec 2016 15:35:50 -0500 Subject: [PATCH] Readme: add comment about arm_math.h --- readme.md | 3 +++ 1 file changed, 3 insertions(+) diff --git a/readme.md b/readme.md index 5b874d1..aae2e38 100644 --- a/readme.md +++ b/readme.md @@ -32,3 +32,6 @@ Dependencies ------------ This library extends the functionality of the [Teensy Audio Library](http://www.pjrc.com/teensy/td_libs_Audio.html), so you'll need to install it per its instructions. + +The floating-point processing takes advantage of the DSP acceleration afforded by the ARM M4F core inside the Teensy 3.5/3.6 processor. Therefore, it uses `arm_math.h`. This dependencies is installed automatically when you install the Teensy Audio Library, so you don't need to take any extra steps. It's there already. +