private void InitializeVariables(Note[] firstRow)
{
notes = new Note[12][];
notes[0] = firstRow
.Select(x => Normalize(x, firstRow[0], firstRow[0] * 2))
.ToArray();
for (int i = 1; i < 12; i++)
{
notes[i] = new Note[12];
}
noteToOrdinal = notes[0]
.OrderBy(x => (int)x)
.Select((note, ordinal) => new { note, ordinal })
.ToDictionary(obj => obj.note, obj => obj.ordinal);
ordinalToNote = noteToOrdinal
.ToDictionary(x => x.Value, x => x.Key);
}
private void Validate(Note[] firstRow)
{
if (firstRow.Length != 12)
{
throw new ArgumentException("firstRow must have 12 tones");
}
if (firstRow.Select(x => (int)x).Distinct().Count() != firstRow.Length)
{
throw new ArgumentException("row must not have repeated values");
}
}
