1 /* scherzo - Music notation training
3 * key.h - Common structures and functions for keys
5 * Copyright © 2013 Carl Worth
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see http://www.gnu.org/licenses/ .
28 typedef struct scherzo_key
30 /* Pitch class (diatonic) */
33 /* Number of sharps/flats in key (if any) */
39 scherzo_key_init (scherzo_key_t *key, pitch_t pitch);
42 scherzo_key_contains_pitch (scherzo_key_t *key, pitch_t pitch);