@spiceErrorCheck<EOL>def ucrss(v1, v2):
v1 = stypes.toDoubleVector(v1)<EOL>v2 = stypes.toDoubleVector(v2)<EOL>vout = stypes.emptyDoubleVector(<NUM_LIT:3>)<EOL>libspice.ucrss_c(v1, v2, vout)<EOL>return stypes.cVectorToPython(vout)<EOL>
Compute the normalized cross product of two 3-vectors.

http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/ucrss_c.html

:param v1: Left vector for cross product.
:type v1: 3-Element Array of floats
:param v2: Right vector for cross product.
:type v2: 3-Element Array of floats
:return: Normalized cross product v1xv2 / abs(v1xv2).
:rtype: Array of floats