def __rtruediv__(self, other):
if phf.is_nan(other):
return other
if isinstance(other, NUMBER):
new_value = other / self.value
new_dimensions = vec.multiply(self.dimensions, -1)
new_factor = self.factor**-1 # added new_factor
return Physical(
new_value,
new_dimensions,
new_factor, # updated from self.factor to new_factor
self.precision,
)
else:
try:
return Physical(
other / self.value,
vec.multiply(self.dimensions, -1),
self.factor**-1, # updated to ** -1
self.precision,
)
except:
raise ValueError(
f"Cannot divide between {other} and {self}: " +
".value attributes are incompatible.")
def test_multiply():
assert vec.multiply(P1, P3) == Point(x=2.0, y=3.4, z=0.0)
assert vec.multiply(D2, D3) == Dimensions(kg=2.0,
m=4.0,
s=8.0,
A=0.0,
cd=0.0,
K=0.0,
mol=0.0)
assert vec.multiply(P3, 3.5) == Point(x=3.5, y=3.5, z=0)
def __pow__(self, other):
if isinstance(other, NUMBER):
if self.prefixed:
return float(self)**other
new_value = self.value**other
new_dimensions = vec.multiply(self.dimensions, other)
new_factor = self.factor**other
return Physical(new_value, new_dimensions, new_factor,
self.precision)
else:
raise ValueError("Cannot raise a Physical to the power of \
another Physical -> ({self}**{other})".
format(self, other))
def _check_dims_parallel(d1: Dimensions, d2: Dimensions) -> bool:
"""
Returns True if d1 and d2 are parallel vectors. False otherwise.
"""
return vec.multiply(d1, vec.dot(d2,
d2)) == vec.multiply(d2, vec.dot(d1, d2))
