@spiceErrorCheck<EOL>def vsepg(v1, v2, ndim):
v1 = stypes.toDoubleVector(v1)<EOL>v2 = stypes.toDoubleVector(v2)<EOL>ndim = ctypes.c_int(ndim)<EOL>return libspice.vsepg_c(v1, v2, ndim)<EOL>
Find the separation angle in radians between two double
precision vectors of arbitrary dimension. This angle is defined
as zero if either vector is zero.

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

:param v1: First vector 
:type v1: Array of floats
:param v2: Second vector 
:type v2: Array of floats
:param ndim: The number of elements in v1 and v2. 
:type ndim: int
:return: separation angle in radians
:rtype: float