{"math.Pi", "const Pi untyped float"},
	{"math.Sin", "func Sin(x float64) float64"},
	{"math/big.Int", "type Int struct{neg bool; abs nat}"},
	{"golang.org/x/text/unicode/norm.MaxSegmentSize", "const MaxSegmentSize untyped int"},
}

func TestImportedTypes(t *testing.T) {
	if !testenv.HasSrc() {
		t.Skip("no source code available")
	}

  if (!cst_op) return false;
  ElementsAttr value = cst_op.getValue();
  if (!value.isSplat()) return false;
  if (!value.getElementType().isF32()) return false;
  return std::abs(value.getSplatValue<float>() - val) < kTolerance;
}

// Determines if the given op is semantically that of the gauss error function.
bool MatchERF(Operation* op) {

// ${/} and ${:} (for the platform's path and list separators respectively),
// but does not pass those to subprocesses.
func NewState(ctx context.Context, workdir string, initialEnv []string) (*State, error) {
	absWork, err := filepath.Abs(workdir)
	if err != nil {
		return nil, err
	}

	ctx, cancel := context.WithCancel(ctx)

	// Make a fresh copy of the env slice to avoid aliasing bugs if we ever