def div(self, a, b):
if isinstance(a, float):
if isinstance(b, float):
if b == 0:
raise ComputorException('Division by zero')
return a / b
elif isinstance(b, Complex):
return Complex.div(Complex(a), b)
elif isinstance(b, Matrix):
raise ComputorException('Illegal operation: Rational / Matrix')
elif isinstance(a, Complex):
if isinstance(b, float):
return Complex.div(a, Complex(b))
elif isinstance(b, Complex):
return Complex.div(a, b)
elif isinstance(b, Matrix):
raise ComputorException('Illegal operation: Complex / Matrix')
elif isinstance(a, Matrix):
if isinstance(b, float):
if b == 0:
raise ComputorException('Division by zero')
return Matrix.scalar_mul(1 / b, a)
elif isinstance(b, Complex):
raise ComputorException('Illegal operation: Matrix / Complex')
elif isinstance(b, Matrix):
return Matrix.mat_mul(a, b.get_inverse())
raise ComputorException('Computor.div(): something bad happened 🤷')
