def getPrimeMeridian(cls, year):
referenceRotation = Angle.stringToAngle("100d42.6")
yearlyGHADecrement = Angle.stringToAngle("-0d14.32")
deltaYear = year - 2001
cumulativeProgression = Angle.multiply(yearlyGHADecrement, deltaYear)
dailyRotation = Angle.stringToAngle("0d59.0")
leapYears = math.floor((year - 2001) / 4)
leapProgression = Angle.multiply(dailyRotation, leapYears)
totalProgression = Angle.add(referenceRotation, cumulativeProgression)
totalProgression = Angle.add(totalProgression, leapProgression)
return totalProgression
def test400_010ShouldReturnProductOfAngles(self):
# Arrange
# Act
angle = Angle.stringToAngle("0d59.0")
result = Angle.multiply(angle, 3)
# Assert
self.assertEqual(result.str, "2d56.9")