code: def vminug(vin, ndim):
      
      vin = stypes.toDoubleVector(vin)
      vout = stypes.emptyDoubleVector(ndim)
      ndim = ctypes.c_int(ndim)
      libspice.vminug_c(vin, ndim, vout)
      return stypes.cVectorToPython(vout)
docs: Negate a double precision vector of arbitrary dimension.
  
      http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/vminug_c.html
  
      :param vin: ndim-dimensional double precision vector to be negated. 
      :type vin: Array of floats
      :param ndim: Dimension of vin. 
      :type ndim: int
      :return: ndim-dimensional double precision vector equal to -vin.
      :rtype: list[ndim]