def Get(cls, pitchClass:int, relativeOctave:int):
if not(isinstance(pitchClass, int) and isinstance(relativeOctave, int)): raise TypeError(f'引数pitchClass, relativeOctaveはint型にしてください。: type(pitchClass)={type(pitchClass)}, type(relativeOctave)={type(relativeOctave)}')
PitchClass.Validate(pitchClass)
noteNumber = pitchClass + (relativeOctave * (PitchClass.Max+1))
# print('noteNumber:', noteNumber, 'pitchClass:', pitchClass, 'relativeOctave:', relativeOctave)
if noteNumber < cls.Min or cls.Max < noteNumber: raise ValueError(f'ノート番号が{cls.Min}〜{cls.Max}の範囲外になりました。pitchClass, relativeOctave, 共に0以上の整数値にして範囲内になるようにしてください。: noteNumber={noteNumber}, pitchClass={pitchClass}, relativeOctave={relativeOctave}')
return noteNumber
def GetFrequency(self, pitchClass, octaveClass):
PitchClass.Validate(pitchClass)
OctaveClass.Validate(octaveClass, _min=0)
return self.FundamentalTone.Hz * math.pow(2, (NoteNumber.Get(
pitchClass, octaveClass) - self.FundamentalTone.NoteNumber) /
(PitchClass.Max + 1))
def GetFrequency(self, pitchClass, octaveClass):
PitchClass.Validate(pitchClass)
OctaveClass.Validate(octaveClass, _min=0)
return self.__ScaleFrequencies[pitchClass] * math.pow(2, octaveClass - self.FundamentalTone.OctaveClass)
def test_Validate_OutOfRange_128(self):
with self.assertRaises(ValueError) as e:
PitchClass.Validate(12)
self.assertIn(f'引数pitchClassは{PitchClass.Min}〜{PitchClass.Max}までの整数値にしてください。', str(e.exception))
def test_Validate_Invalid_Type(self):
with self.assertRaises(TypeError) as e:
PitchClass.Validate('無効な型')
self.assertIn('引数pitchClassはint型にしてください。', str(e.exception))
def test_Validate(self):
for pitchClass in range(PitchClass.Min, PitchClass.Max+1):
PitchClass.Validate(pitchClass)