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units: support division by quantities in the same unit

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Sebastien Bourdeauducq 2014-08-16 10:27:44 +08:00
parent 7422a919cc
commit 232092166e
1 changed files with 12 additions and 4 deletions
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16
artiq/language/units.py
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@ -42,12 +42,20 @@ class Quantity:
return Quantity(other*self.amount, self.unit) return Quantity(other*self.amount, self.unit)
def __truediv__(self, other): def __truediv__(self, other):
if isinstance(other, Quantity): if isinstance(other, Quantity):
return NotImplemented if other.unit == self.unit:
return Quantity(self.amount/other, self.unit) return self.amount/other.amount
else:
return NotImplemented
else:
return Quantity(self.amount/other, self.unit)
def __floordiv__(self, other): def __floordiv__(self, other):
if isinstance(other, Quantity): if isinstance(other, Quantity):
return NotImplemented if other.unit == self.unit:
return Quantity(self.amount//other, self.unit) return self.amount//other.amount
else:
return NotImplemented
else:
return Quantity(self.amount//other, self.unit)
def __neg__(self): def __neg__(self):
return Quantity(-self.amount, self.unit) return Quantity(-self.amount, self.unit)