From: Carl Worth <cworth@cworth.org>
Date: Wed, 18 Sep 2013 03:21:00 +0000 (-0700)
Subject: Fix chord analysis for intervals larger than an octave
X-Git-Url: https://git.cworth.org/git?p=scherzo;a=commitdiff_plain;h=936c8b69ec6177d82b1905ed555dc8fbe1f32283;hp=f9ffdfde546d16f24ab5d30ed9caef2c687b4755

Fix chord analysis for intervals larger than an octave

By simply repeatedly subtracting 12 from any larger-than-octave intervals.
---

diff --git a/scherzo.c b/scherzo.c
index 676f5b4..a13196e 100644
--- a/scherzo.c
+++ b/scherzo.c
@@ -521,6 +521,8 @@ scherzo_analyze_chord (scherzo_t *scherzo)
 
     for (i = 0; i < num_notes; i++) {
 	notes[i].relative_pitch = notes[i].midi_pitch - bass_pitch;
+	while (notes[i].relative_pitch > 12)
+	    notes[i].relative_pitch -= 12;
     }
 
     for (i = 0; i < ARRAY_SIZE (intervals); i++) {