for i := 0; i < len(vc); i++ {
		if r, theta := Polar(vc[i]); !veryclose(polar[i].r, r) && !veryclose(polar[i].theta, theta) {
			t.Errorf("Polar(%g) = %g, %g want %g, %g", vc[i], r, theta, polar[i].r, polar[i].theta)
		}
	}
	for i := 0; i < len(vcPolarSC); i++ {
		if r, theta := Polar(vcPolarSC[i]); !alike(polarSC[i].r, r) && !alike(polarSC[i].theta, theta) {

  memset(&option, 0, sizeof(option));
  option.name = const_cast<char*>(name.c_str());
  TF_Filesystem_Option_Value option_value;
  memset(&option_value, 0, sizeof(option_value));
  option_value.type_tag = TF_Filesystem_Option_Type_Buffer;
  option_value.num_values = values.size();
  std::vector<TF_Filesystem_Option_Value_Union> option_values(values.size());
  for (size_t i = 0; i < values.size(); i++) {

// TestTags verifies that the -tags argument controls which files to check.
func TestTags(t *testing.T) {
	t.Parallel()
	for tag, wantFile := range map[string]int{
		"testtag":     1, // file1
		"x testtag y": 1,
		"othertag":    2,
	} {
		tag, wantFile := tag, wantFile
		t.Run(tag, func(t *testing.T) {
			t.Parallel()
			t.Logf("-tags=%s", tag)
			cmd := vetCmd(t, "-tags="+tag, "tagtest")
			output, err := cmd.CombinedOutput()

        entities.put("Delta", "\u0394");
        entities.put("Epsilon", "\u0395");
        entities.put("Zeta", "\u0396");
        entities.put("Eta", "\u0397");
        entities.put("Theta", "\u0398");
        entities.put("Iota", "\u0399");
        entities.put("Kappa", "\u039a");
        entities.put("Lambda", "\u039b");
        entities.put("Mu", "\u039c");
        entities.put("Nu", "\u039d");

        entities.put("Delta", "\u0394");
        entities.put("Epsilon", "\u0395");
        entities.put("Zeta", "\u0396");
        entities.put("Eta", "\u0397");
        entities.put("Theta", "\u0398");
        entities.put("Iota", "\u0399");
        entities.put("Kappa", "\u039a");
        entities.put("Lambda", "\u039b");
        entities.put("Mu", "\u039c");
        entities.put("Nu", "\u039d");

	"fnof":     "\u0192",
	"Alpha":    "\u0391",
	"Beta":     "\u0392",
	"Gamma":    "\u0393",
	"Delta":    "\u0394",
	"Epsilon":  "\u0395",
	"Zeta":     "\u0396",
	"Eta":      "\u0397",
	"Theta":    "\u0398",
	"Iota":     "\u0399",
	"Kappa":    "\u039A",
	"Lambda":   "\u039B",
	"Mu":       "\u039C",
	"Nu":       "\u039D",
	"Xi":       "\u039E",
	"Omicron":  "\u039F",
	"Pi":       "\u03A0",