code: def vzerog(v, ndim):
      
      v = stypes.toDoubleVector(v)
      ndim = ctypes.c_int(ndim)
      return bool(libspice.vzerog_c(v, ndim))
docs: Indicate whether a general-dimensional vector is the zero vector.
  
      http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/vzerog_c.html
  
      :param v: Vector to be tested 
      :type v: Array of floats
      :param ndim: Dimension of v 
      :type ndim: int
      :return: true if and only if v is the zero vector
      :rtype: bool