def mul(self, a, b):
if isinstance(a, float):
if isinstance(b, float):
return a * b
elif isinstance(b, Complex):
return Complex.mul(Complex(a), b)
elif isinstance(b, Matrix):
return Matrix.scalar_mul(a, b)
elif isinstance(a, Complex):
if isinstance(b, float):
return Complex.mul(a, Complex(b))
elif isinstance(b, Complex):
return Complex.mul(a, b)
elif isinstance(b, Matrix):
raise ComputorException('Illegal operation: Complex * Matrix')
elif isinstance(a, Matrix):
if isinstance(b, float):
return Matrix.scalar_mul(b, a)
elif isinstance(b, Complex):
raise ComputorException('Illegal operation: Matrix * Complex')
elif isinstance(b, Matrix):
return Matrix.element_mul(a, b)
raise ComputorException('Computor.mul(): something bad happened 🤷')
