code: def mxvg(m1, v2, nrow1, nc1r2):
      
      m1 = stypes.toDoubleMatrix(m1)
      v2 = stypes.toDoubleVector(v2)
      nrow1 = ctypes.c_int(nrow1)
      nc1r2 = ctypes.c_int(nc1r2)
      vout = stypes.emptyDoubleVector(nrow1.value)
      libspice.mxvg_c(m1, v2, nrow1, nc1r2, vout)
      return stypes.cVectorToPython(vout)
docs: Multiply a matrix and a vector of arbitrary size.
  
      http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/mxvg_c.html
  
      :param m1: Left-hand matrix to be multiplied.
      :type m1: NxM-Element Array of floats
      :param v2: Right-hand vector to be multiplied.
      :type v2: Array of floats
      :param nrow1: Row dimension of m1 and length of vout.
      :type nrow1: int
      :param nc1r2: Column dimension of m1 and length of v2.
      :type nc1r2: int
      :return: Product vector m1*v2
      :rtype: Array of floats