Are there any effective methods to decide whether or not two positive definite ternary quadratic forms are in the same spinor genus?

For example, the following three forms are in the same genus

 x^2 + y^2 + 32z^2
 x^2 + 4y^2 + 9z^2 + 4yz
 2x^2 + 2y^2 + 9z^2 +2yz +2zx