func DoFit(t *multifit.GslMultifitRobustType, x *matrix.GslMatrix, y *vector.GslVector, c *vector.GslVector, cov *matrix.GslMatrix) { dim := x.Dim() work := multifit.RobustAlloc(t, dim[0], dim[1]) multifit.Robust(x, y, c, cov, work) }