From: Tomas Mudrunka <tomas@mudrunka.cz>
Date: Thu, 19 Jul 2018 15:12:28 +0000 (+0200)
Subject: Added phase comment to goertzel
X-Git-Url: http://git.harvie.cz/?p=mirrors%2FPrograms.git;a=commitdiff_plain;h=21e17c18fddc3d3c133244463f29a88d13722568

Added phase comment to goertzel
---

diff --git a/c/goertzel/goertzel.c b/c/goertzel/goertzel.c
index d13a874..85637ae 100644
--- a/c/goertzel/goertzel.c
+++ b/c/goertzel/goertzel.c
@@ -33,6 +33,7 @@ float goertzel_mag(int numSamples,float TARGET_FREQUENCY,int SAMPLING_RATE, floa
     imag = (q1 * sine) / scalingFactor;
 
     magnitude = sqrtf(real*real + imag*imag);
+    //phase = atan(imag/real)
     return magnitude;
 }