autotools initial...

1 files changed, 51 insertions, 0 deletions

diff --git a/src/notes.h b/src/notes.h
new file mode 100644
index 0000000..ed6b3e6
--- /dev/null
+++ b/src/notes.h
@@ -0,0 +1,51 @@
+#ifndef NOTES_H
+#define NOTES_H
+
+static float note_C[] = {16.35, 32.70, 65.41, 130.81, 261.63, 523.25, 1046.50, 2093.00, 4186.01};
+static float note_Db[] = {17.32, 34.65, 69.30, 138.59, 277.18, 554.37, 1108.73, 2217.46, 4434.92};
+static float note_D[] = {18.35, 36.71, 73.42, 146.83, 293.66, 587.33, 1174.66, 2349.32, 4698.64};
+static float note_Eb[] = {19.45, 38.89, 77.78, 155.56, 311.13, 622.25, 1244.51, 2489.02, 4978.03};
+static float note_E[] = {20.60, 41.20, 82.41, 164.81, 329.63, 659.26, 1318.51, 2637.02};
+static float note_F[] = {21.83, 43.65, 87.31, 174.61, 349.23, 698.46, 1396.91, 2793.83};
+static float note_Gb[] = {23.12, 46.25, 92.50, 185.00, 369.99, 739.99, 1479.98, 2959.96};
+static float note_G[] = {24.50, 49.00, 98.00, 196.00, 392.00, 783.99, 1567.98, 3135.96};
+static float note_Ab[] = {25.96, 51.91, 103.83, 207.65, 415.30, 830.61, 1661.22, 3322.44};
+static float note_A[] = {27.50, 55.00, 110.00, 220.00, 440.00, 880.00, 1760.00, 3520.00};
+static float note_Bb[] = {29.14, 58.27, 116.54, 233.08, 466.16, 932.33, 1864.66, 3729.31};
+static float note_B[] = {30.87, 61.74, 123.47, 246.94, 493.88, 987.77, 1975.53, 3951.0};
+
+static float *notes[12] = {note_C, note_Db, note_D, note_Eb, note_E, note_F, note_Gb, note_G, note_Ab, note_A, note_Bb, note_B };
+
+static char *
+int_to_note(int n)
+{
+  switch (n) {
+  case 0:
+    return "C";
+  case 1:
+    return "Db";
+  case 2:
+    return "D";
+  case 3:
+    return "Eb";
+  case 4:
+    return "E";
+  case 5:
+    return "F";
+  case 6:
+    return "Gb";
+  case 7:
+    return "G";
+  case 8:
+    return "Ab";
+  case 9:
+    return "A";
+  case 10:
+    return "Bb";
+  case 11:
+    return "B";
+  }
+  return "";
+}
+
+#endif /* NOTES_H */