// Relies on the correctness of log10(BigInteger, {HALF_UP,HALF_DOWN}).
  @GwtIncompatible // TODO
  public void testLog10HalfEven() {
    for (BigInteger x : POSITIVE_BIGINTEGER_CANDIDATES) {
      int halfEven = BigIntegerMath.log10(x, HALF_EVEN);
      // Now figure out what rounding mode we should behave like (it depends if FLOOR was
      // odd/even).
      boolean floorWasEven = (BigIntegerMath.log10(x, FLOOR) & 1) == 0;

      (TF_TensorScatterAddOp
       (TF_FillOp $shape, (TF_ConstOp (GetScalarOfType<0> $updates))),
       $indices, $updates)>;

//===----------------------------------------------------------------------===//
// Xdivy, Xlog1p and Xlogy op patterns.
//===----------------------------------------------------------------------===//

class BinaryXopyPat<dag From, dag To> : Pat<
  From,
  (TF_SelectV2Op
    (TF_EqualOp
      $x,

        TypeID::get<TF::LeftShiftOp>(),
        TypeID::get<TF::LessOp>(),
        TypeID::get<TF::ListDiffOp>(),
        TypeID::get<TF::LogicalAndOp>(),
        TypeID::get<TF::LogicalNotOp>(),
        TypeID::get<TF::LogOp>(),
        TypeID::get<TF::LowerBoundOp>(),
        TypeID::get<TF::MakeUniqueOp>(),
        TypeID::get<TF::MatMulOp>(),
        TypeID::get<TF::MatrixDiagV3Op>(),
        TypeID::get<TF::MatrixInverseOp>(),