f5 = 2.611088405080593625138020e-5
	f6 = 2.010321207683943062279931e-7
	f7 = 2.891024605872965461538222e-15
)

// Erfinv returns the inverse error function of x.
//
// Special cases are:
//
//	Erfinv(1) = +Inf
//	Erfinv(-1) = -Inf
//	Erfinv(x) = NaN if x < -1 or x > 1
//	Erfinv(NaN) = NaN
func Erfinv(x float64) float64 {
	// special cases
	if IsNaN(x) || x <= -1 || x >= 1 {
		if x == -1 || x == 1 {
			return Inf(int(x))

    StringRef caller_name = mlir::cast<NameLoc>(caller).getName().strref();
    const size_t start_index = kQuantizationUnitPrefix.size();
    const size_t end_index = caller_name.rfind(kQuantizationUnitSuffix);
    std::string serialized_proto =
        caller_name.substr(start_index, end_index - start_index).str();
    QuantizationUnitLoc::QuantizationUnit quant_unit;

  explicit MockFailurePass() = default;

 private:
  void runOnOperation() override {
    getOperation().walk([](Operation* nestedOp) {
      if (nestedOp->getName().getStringRef().str().rfind("tf.") != -1) {
        AttachErrorCode(
            nestedOp->emitError()
                << "Failed at " << nestedOp->getName().getStringRef().str()
                << " op",