def __pow__(self, power, modulo=None):
if value_ops.equivalent(self.raw, 0.0, 1e-5):
return self.__class__(self.raw, self.raw_uncertainty)
val = self.raw**power
unc = abs(val * float(power) * self.raw_uncertainty / self.raw)
return self.__class__(val, unc)
def __pow__(self, power, modulo=None):
if value_ops.equivalent(self.raw, 0.0, 1e-5):
return self.__class__(self.raw, self.raw_uncertainty)
val = self.raw ** power
unc = abs(val * float(power) * self.raw_uncertainty / self.raw)
return self.__class__(val, unc)
def __truediv__(self, other):
try:
val = self.raw / other.raw
unc = abs(val) * math.sqrt((self.raw_uncertainty / self.raw)**2 +
(other.raw_uncertainty / other.raw)**2)
except ZeroDivisionError:
if value_ops.equivalent(self.raw, 0.0, 1e-6):
val = 0.0
unc = math.sqrt(self.raw_uncertainty**2 +
other.raw_uncertainty**2)
else:
raise
except Exception:
val = self.raw / float(other)
unc = abs(self.raw_uncertainty / float(other))
return self.__class__(val, unc)
def __truediv__(self, other):
try:
val = self.raw / other.raw
unc = abs(val) * math.sqrt(
(self.raw_uncertainty / self.raw) ** 2 +
(other.raw_uncertainty / other.raw) ** 2)
except ZeroDivisionError:
if value_ops.equivalent(self.raw, 0.0, 1e-6):
val = 0.0
unc = math.sqrt(
self.raw_uncertainty ** 2 +
other.raw_uncertainty ** 2
)
else:
raise
except Exception:
val = self.raw / float(other)
unc = abs(self.raw_uncertainty / float(other))
return self.__class__(val, unc)
