func Insert(ih *iup.Ihandle, index, sample_index int, x, y float64) { C.IupPPlotInsert(ih.C(), C.int(index), C.int(sample_index), C.float(x), C.float(y)) }
func (h *IupPPlot) Insert(index, sample_index int, x, y float32) { C.IupPPlotInsert(toNative(h), C.int(index), C.int(sample_index), C.float(x), C.float(y)) }