Move the notes array into its own file, and add a separate version for equal temperam...

[pitch] / notes.h

diff --git a/notes.h b/notes.h
new file mode 100644 (file)
index 0000000..d5c178a
--- /dev/null
+++ b/notes.h
@@ -0,0 +1,33 @@
+#ifndef _NOTES_H
+#define _NOTES_H 1
+
+#include <math.h>
+
+#include "config.h"
+
+struct note {
+       char notename[16];
+       double freq;
+};
+
+#if TUNING == WELL_TEMPERED_GUITAR
+static note notes[] = {
+       { "E-3", BASE_PITCH/4.0 * (3.0/4.0) },
+       { "A-3", BASE_PITCH/4.0 },
+       { "D-4", BASE_PITCH/4.0 * (4.0/3.0) },
+       { "G-4", BASE_PITCH/4.0 * (4.0/3.0)*(4.0/3.0) },
+       { "B-4", BASE_PITCH * (3.0/4.0)*(3.0/4.0) },
+       { "E-5", BASE_PITCH * (3.0/4.0) }
+};
+#else
+static note notes[] = {
+       { "E-3", BASE_PITCH/4.0 * pow(2.0, -5.0/12.0) },
+       { "A-3", BASE_PITCH/4.0 },
+       { "D-4", BASE_PITCH/4.0 * pow(2.0, 5.0/12.0) },
+       { "G-4", BASE_PITCH/4.0 * pow(2.0, 10.0/12.0) },
+       { "B-4", BASE_PITCH/2.0 * pow(2.0, 2.0/12.0) },
+       { "E-5", BASE_PITCH/2.0 * pow(2.0, 7.0/12.0) },
+};
+#endif
+               
+#endif /* !defined(_NOTES_H) */