Sync from upstream TF. (#1298)

Co-authored-by: Nmergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

tensorflow/lite/builtin_ops.h

@@ -185,6 +185,7 @@ typedef enum {
   kTfLiteBuiltinUnsortedSegmentSum = 155,
   kTfLiteBuiltinAtan2 = 156,
   kTfLiteBuiltinUnsortedSegmentMin = 157,
+  kTfLiteBuiltinSign = 158,
 } TfLiteBuiltinOperator;
 
 #ifdef __cplusplus

tensorflow/lite/core/api/flatbuffer_conversions.cc

@@ -881,6 +881,7 @@ TfLiteStatus ParseOpDataTfLite(const Operator* op, BuiltinOperator op_type,
     case BuiltinOperator_UNSORTED_SEGMENT_PROD:
     case BuiltinOperator_UNSORTED_SEGMENT_SUM:
     case BuiltinOperator_ATAN2:
+    case BuiltinOperator_SIGN:
     case BuiltinOperator_WHERE:
       return kTfLiteOk;
     case BuiltinOperator_PLACEHOLDER_FOR_GREATER_OP_CODES:

tensorflow/lite/python/schema_py_generated.py

@@ -1254,6 +1254,7 @@ class BuiltinOperator(object):
     UNSORTED_SEGMENT_SUM = 155
     ATAN2 = 156
     UNSORTED_SEGMENT_MIN = 157
+    SIGN = 158
 
 # automatically generated by the FlatBuffers compiler, do not modify
 
@@ -1383,6 +1384,7 @@ class BuiltinOptions(object):
     UnsortedSegmentMinOptions = 120
     UnsortedSegmentSumOptions = 121
     ATan2Options = 122
+    SignOptions = 123
 
 
 def BuiltinOptionsCreator(unionType, table):
@@ -1633,6 +1635,8 @@ def BuiltinOptionsCreator(unionType, table):
         return UnsortedSegmentSumOptionsT.InitFromBuf(table.Bytes, table.Pos)
     if unionType == BuiltinOptions().ATan2Options:
         return ATan2OptionsT.InitFromBuf(table.Bytes, table.Pos)
+    if unionType == BuiltinOptions().SignOptions:
+        return SignOptionsT.InitFromBuf(table.Bytes, table.Pos)
     return None
 # automatically generated by the FlatBuffers compiler, do not modify
 
@@ -6670,7 +6674,7 @@ class OperatorT(object):
         self.inputs = None  # type: List[int]
         self.outputs = None  # type: List[int]
         self.builtinOptionsType = 0  # type: int
-        self.builtinOptions = None  # type: Union[None, Conv2DOptionsT, DepthwiseConv2DOptionsT, ConcatEmbeddingsOptionsT, LSHProjectionOptionsT, Pool2DOptionsT, SVDFOptionsT, RNNOptionsT, FullyConnectedOptionsT, SoftmaxOptionsT, ConcatenationOptionsT, AddOptionsT, L2NormOptionsT, LocalResponseNormalizationOptionsT, LSTMOptionsT, ResizeBilinearOptionsT, CallOptionsT, ReshapeOptionsT, SkipGramOptionsT, SpaceToDepthOptionsT, EmbeddingLookupSparseOptionsT, MulOptionsT, PadOptionsT, GatherOptionsT, BatchToSpaceNDOptionsT, SpaceToBatchNDOptionsT, TransposeOptionsT, ReducerOptionsT, SubOptionsT, DivOptionsT, SqueezeOptionsT, SequenceRNNOptionsT, StridedSliceOptionsT, ExpOptionsT, TopKV2OptionsT, SplitOptionsT, LogSoftmaxOptionsT, CastOptionsT, DequantizeOptionsT, MaximumMinimumOptionsT, ArgMaxOptionsT, LessOptionsT, NegOptionsT, PadV2OptionsT, GreaterOptionsT, GreaterEqualOptionsT, LessEqualOptionsT, SelectOptionsT, SliceOptionsT, TransposeConvOptionsT, SparseToDenseOptionsT, TileOptionsT, ExpandDimsOptionsT, EqualOptionsT, NotEqualOptionsT, ShapeOptionsT, PowOptionsT, ArgMinOptionsT, FakeQuantOptionsT, PackOptionsT, LogicalOrOptionsT, OneHotOptionsT, LogicalAndOptionsT, LogicalNotOptionsT, UnpackOptionsT, FloorDivOptionsT, SquareOptionsT, ZerosLikeOptionsT, FillOptionsT, BidirectionalSequenceLSTMOptionsT, BidirectionalSequenceRNNOptionsT, UnidirectionalSequenceLSTMOptionsT, FloorModOptionsT, RangeOptionsT, ResizeNearestNeighborOptionsT, LeakyReluOptionsT, SquaredDifferenceOptionsT, MirrorPadOptionsT, AbsOptionsT, SplitVOptionsT, UniqueOptionsT, ReverseV2OptionsT, AddNOptionsT, GatherNdOptionsT, CosOptionsT, WhereOptionsT, RankOptionsT, ReverseSequenceOptionsT, MatrixDiagOptionsT, QuantizeOptionsT, MatrixSetDiagOptionsT, HardSwishOptionsT, IfOptionsT, WhileOptionsT, DepthToSpaceOptionsT, NonMaxSuppressionV4OptionsT, NonMaxSuppressionV5OptionsT, ScatterNdOptionsT, SelectV2OptionsT, DensifyOptionsT, SegmentSumOptionsT, BatchMatMulOptionsT, CumsumOptionsT, CallOnceOptionsT, BroadcastToOptionsT, Rfft2dOptionsT, Conv3DOptionsT, HashtableOptionsT, HashtableFindOptionsT, HashtableImportOptionsT, HashtableSizeOptionsT, VarHandleOptionsT, ReadVariableOptionsT, AssignVariableOptionsT, RandomOptionsT, BucketizeOptionsT, GeluOptionsT, DynamicUpdateSliceOptionsT, UnsortedSegmentProdOptionsT, UnsortedSegmentMaxOptionsT, UnsortedSegmentMinOptionsT, UnsortedSegmentSumOptionsT, ATan2OptionsT]
+        self.builtinOptions = None  # type: Union[None, Conv2DOptionsT, DepthwiseConv2DOptionsT, ConcatEmbeddingsOptionsT, LSHProjectionOptionsT, Pool2DOptionsT, SVDFOptionsT, RNNOptionsT, FullyConnectedOptionsT, SoftmaxOptionsT, ConcatenationOptionsT, AddOptionsT, L2NormOptionsT, LocalResponseNormalizationOptionsT, LSTMOptionsT, ResizeBilinearOptionsT, CallOptionsT, ReshapeOptionsT, SkipGramOptionsT, SpaceToDepthOptionsT, EmbeddingLookupSparseOptionsT, MulOptionsT, PadOptionsT, GatherOptionsT, BatchToSpaceNDOptionsT, SpaceToBatchNDOptionsT, TransposeOptionsT, ReducerOptionsT, SubOptionsT, DivOptionsT, SqueezeOptionsT, SequenceRNNOptionsT, StridedSliceOptionsT, ExpOptionsT, TopKV2OptionsT, SplitOptionsT, LogSoftmaxOptionsT, CastOptionsT, DequantizeOptionsT, MaximumMinimumOptionsT, ArgMaxOptionsT, LessOptionsT, NegOptionsT, PadV2OptionsT, GreaterOptionsT, GreaterEqualOptionsT, LessEqualOptionsT, SelectOptionsT, SliceOptionsT, TransposeConvOptionsT, SparseToDenseOptionsT, TileOptionsT, ExpandDimsOptionsT, EqualOptionsT, NotEqualOptionsT, ShapeOptionsT, PowOptionsT, ArgMinOptionsT, FakeQuantOptionsT, PackOptionsT, LogicalOrOptionsT, OneHotOptionsT, LogicalAndOptionsT, LogicalNotOptionsT, UnpackOptionsT, FloorDivOptionsT, SquareOptionsT, ZerosLikeOptionsT, FillOptionsT, BidirectionalSequenceLSTMOptionsT, BidirectionalSequenceRNNOptionsT, UnidirectionalSequenceLSTMOptionsT, FloorModOptionsT, RangeOptionsT, ResizeNearestNeighborOptionsT, LeakyReluOptionsT, SquaredDifferenceOptionsT, MirrorPadOptionsT, AbsOptionsT, SplitVOptionsT, UniqueOptionsT, ReverseV2OptionsT, AddNOptionsT, GatherNdOptionsT, CosOptionsT, WhereOptionsT, RankOptionsT, ReverseSequenceOptionsT, MatrixDiagOptionsT, QuantizeOptionsT, MatrixSetDiagOptionsT, HardSwishOptionsT, IfOptionsT, WhileOptionsT, DepthToSpaceOptionsT, NonMaxSuppressionV4OptionsT, NonMaxSuppressionV5OptionsT, ScatterNdOptionsT, SelectV2OptionsT, DensifyOptionsT, SegmentSumOptionsT, BatchMatMulOptionsT, CumsumOptionsT, CallOnceOptionsT, BroadcastToOptionsT, Rfft2dOptionsT, Conv3DOptionsT, HashtableOptionsT, HashtableFindOptionsT, HashtableImportOptionsT, HashtableSizeOptionsT, VarHandleOptionsT, ReadVariableOptionsT, AssignVariableOptionsT, RandomOptionsT, BucketizeOptionsT, GeluOptionsT, DynamicUpdateSliceOptionsT, UnsortedSegmentProdOptionsT, UnsortedSegmentMaxOptionsT, UnsortedSegmentMinOptionsT, UnsortedSegmentSumOptionsT, ATan2OptionsT, SignOptionsT]
         self.customOptions = None  # type: List[int]
         self.customOptionsFormat = 0  # type: int
         self.mutatingVariableInputs = None  # type: List[bool]
@@ -8965,6 +8969,63 @@ class ShapeOptionsT(object):
 from flatbuffers.compat import import_numpy
 np = import_numpy()
 
+class SignOptions(object):
+    __slots__ = ['_tab']
+
+    @classmethod
+    def GetRootAsSignOptions(cls, buf, offset):
+        n = flatbuffers.encode.Get(flatbuffers.packer.uoffset, buf, offset)
+        x = SignOptions()
+        x.Init(buf, n + offset)
+        return x
+
+    @classmethod
+    def SignOptionsBufferHasIdentifier(cls, buf, offset, size_prefixed=False):
+        return flatbuffers.util.BufferHasIdentifier(buf, offset, b"\x54\x46\x4C\x33", size_prefixed=size_prefixed)
+
+    # SignOptions
+    def Init(self, buf, pos):
+        self._tab = flatbuffers.table.Table(buf, pos)
+
+def SignOptionsStart(builder): builder.StartObject(0)
+def SignOptionsEnd(builder): return builder.EndObject()
+
+
+class SignOptionsT(object):
+
+    # SignOptionsT
+    def __init__(self):
+        pass
+
+    @classmethod
+    def InitFromBuf(cls, buf, pos):
+        signOptions = SignOptions()
+        signOptions.Init(buf, pos)
+        return cls.InitFromObj(signOptions)
+
+    @classmethod
+    def InitFromObj(cls, signOptions):
+        x = SignOptionsT()
+        x._UnPack(signOptions)
+        return x
+
+    # SignOptionsT
+    def _UnPack(self, signOptions):
+        if signOptions is None:
+            return
+
+    # SignOptionsT
+    def Pack(self, builder):
+        SignOptionsStart(builder)
+        signOptions = SignOptionsEnd(builder)
+        return signOptions
+# automatically generated by the FlatBuffers compiler, do not modify
+
+# namespace: tflite
+
+from flatbuffers.compat import import_numpy
+np = import_numpy()
+
 class SignatureDef(object):
     __slots__ = ['_tab']
 

tensorflow/lite/schema/schema.fbs

@@ -396,6 +396,7 @@ enum BuiltinOperator : int32 {
   UNSORTED_SEGMENT_SUM = 155,
   ATAN2 = 156,
   UNSORTED_SEGMENT_MIN = 157,
+  SIGN = 158
 }
 // LINT.ThenChange(nnapi_linter/linter.proto)
 
@@ -522,7 +523,8 @@ union BuiltinOptions {
   UnsortedSegmentMaxOptions,
   UnsortedSegmentMinOptions,
   UnsortedSegmentSumOptions,
-  ATan2Options
+  ATan2Options,
+  SignOptions
 }
 
 // LINT.IfChange
@@ -1149,6 +1151,9 @@ table ATan2Options {
 table UnsortedSegmentMinOptions{
 }
 
+table SignOptions {
+}
+
 
 // An OperatorCode can be an enum value (BuiltinOperator) if the operator is a
 // builtin, or a string if the operator is custom.

tensorflow/lite/schema/schema_generated.h

@@ -528,6 +528,10 @@ struct UnsortedSegmentMinOptions;
 struct UnsortedSegmentMinOptionsBuilder;
 struct UnsortedSegmentMinOptionsT;
 
+struct SignOptions;
+struct SignOptionsBuilder;
+struct SignOptionsT;
+
 struct OperatorCode;
 struct OperatorCodeBuilder;
 struct OperatorCodeT;
@@ -1020,11 +1024,12 @@ enum BuiltinOperator {
   BuiltinOperator_UNSORTED_SEGMENT_SUM = 155,
   BuiltinOperator_ATAN2 = 156,
   BuiltinOperator_UNSORTED_SEGMENT_MIN = 157,
+  BuiltinOperator_SIGN = 158,
   BuiltinOperator_MIN = BuiltinOperator_ADD,
-  BuiltinOperator_MAX = BuiltinOperator_UNSORTED_SEGMENT_MIN
+  BuiltinOperator_MAX = BuiltinOperator_SIGN
 };
 
-inline const BuiltinOperator (&EnumValuesBuiltinOperator())[158] {
+inline const BuiltinOperator (&EnumValuesBuiltinOperator())[159] {
   static const BuiltinOperator values[] = {
     BuiltinOperator_ADD,
     BuiltinOperator_AVERAGE_POOL_2D,
@@ -1183,13 +1188,14 @@ inline const BuiltinOperator (&EnumValuesBuiltinOperator())[158] {
     BuiltinOperator_UNSORTED_SEGMENT_MAX,
     BuiltinOperator_UNSORTED_SEGMENT_SUM,
     BuiltinOperator_ATAN2,
-    BuiltinOperator_UNSORTED_SEGMENT_MIN
+    BuiltinOperator_UNSORTED_SEGMENT_MIN,
+    BuiltinOperator_SIGN
   };
   return values;
 }
 
 inline const char * const *EnumNamesBuiltinOperator() {
-  static const char * const names[159] = {
+  static const char * const names[160] = {
     "ADD",
     "AVERAGE_POOL_2D",
     "CONCATENATION",
@@ -1348,13 +1354,14 @@ inline const char * const *EnumNamesBuiltinOperator() {
     "UNSORTED_SEGMENT_SUM",
     "ATAN2",
     "UNSORTED_SEGMENT_MIN",
+    "SIGN",
     nullptr
   };
   return names;
 }
 
 inline const char *EnumNameBuiltinOperator(BuiltinOperator e) {
-  if (flatbuffers::IsOutRange(e, BuiltinOperator_ADD, BuiltinOperator_UNSORTED_SEGMENT_MIN)) return "";
+  if (flatbuffers::IsOutRange(e, BuiltinOperator_ADD, BuiltinOperator_SIGN)) return "";
   const size_t index = static_cast<size_t>(e);
   return EnumNamesBuiltinOperator()[index];
 }
@@ -1483,11 +1490,12 @@ enum BuiltinOptions {
   BuiltinOptions_UnsortedSegmentMinOptions = 120,
   BuiltinOptions_UnsortedSegmentSumOptions = 121,
   BuiltinOptions_ATan2Options = 122,
+  BuiltinOptions_SignOptions = 123,
   BuiltinOptions_MIN = BuiltinOptions_NONE,
-  BuiltinOptions_MAX = BuiltinOptions_ATan2Options
+  BuiltinOptions_MAX = BuiltinOptions_SignOptions
 };
 
-inline const BuiltinOptions (&EnumValuesBuiltinOptions())[123] {
+inline const BuiltinOptions (&EnumValuesBuiltinOptions())[124] {
   static const BuiltinOptions values[] = {
     BuiltinOptions_NONE,
     BuiltinOptions_Conv2DOptions,
@@ -1611,13 +1619,14 @@ inline const BuiltinOptions (&EnumValuesBuiltinOptions())[123] {
     BuiltinOptions_UnsortedSegmentMaxOptions,
     BuiltinOptions_UnsortedSegmentMinOptions,
     BuiltinOptions_UnsortedSegmentSumOptions,
-    BuiltinOptions_ATan2Options
+    BuiltinOptions_ATan2Options,
+    BuiltinOptions_SignOptions
   };
   return values;
 }
 
 inline const char * const *EnumNamesBuiltinOptions() {
-  static const char * const names[124] = {
+  static const char * const names[125] = {
     "NONE",
     "Conv2DOptions",
     "DepthwiseConv2DOptions",
@@ -1741,13 +1750,14 @@ inline const char * const *EnumNamesBuiltinOptions() {
     "UnsortedSegmentMinOptions",
     "UnsortedSegmentSumOptions",
     "ATan2Options",
+    "SignOptions",
     nullptr
   };
   return names;
 }
 
 inline const char *EnumNameBuiltinOptions(BuiltinOptions e) {
-  if (flatbuffers::IsOutRange(e, BuiltinOptions_NONE, BuiltinOptions_ATan2Options)) return "";
+  if (flatbuffers::IsOutRange(e, BuiltinOptions_NONE, BuiltinOptions_SignOptions)) return "";
   const size_t index = static_cast<size_t>(e);
   return EnumNamesBuiltinOptions()[index];
 }
@@ -2244,6 +2254,10 @@ template<> struct BuiltinOptionsTraits<tflite::ATan2Options> {
   static const BuiltinOptions enum_value = BuiltinOptions_ATan2Options;
 };
 
+template<> struct BuiltinOptionsTraits<tflite::SignOptions> {
+  static const BuiltinOptions enum_value = BuiltinOptions_SignOptions;
+};
+
 struct BuiltinOptionsUnion {
   BuiltinOptions type;
   void *value;
@@ -3252,6 +3266,14 @@ struct BuiltinOptionsUnion {
     return type == BuiltinOptions_ATan2Options ?
       reinterpret_cast<const tflite::ATan2OptionsT *>(value) : nullptr;
   }
+  tflite::SignOptionsT *AsSignOptions() {
+    return type == BuiltinOptions_SignOptions ?
+      reinterpret_cast<tflite::SignOptionsT *>(value) : nullptr;
+  }
+  const tflite::SignOptionsT *AsSignOptions() const {
+    return type == BuiltinOptions_SignOptions ?
+      reinterpret_cast<const tflite::SignOptionsT *>(value) : nullptr;
+  }
 };
 
 bool VerifyBuiltinOptions(flatbuffers::Verifier &verifier, const void *obj, BuiltinOptions type);
@@ -11365,6 +11387,48 @@ inline flatbuffers::Offset<UnsortedSegmentMinOptions> CreateUnsortedSegmentMinOp
 
 flatbuffers::Offset<UnsortedSegmentMinOptions> CreateUnsortedSegmentMinOptions(flatbuffers::FlatBufferBuilder &_fbb, const UnsortedSegmentMinOptionsT *_o, const flatbuffers::rehasher_function_t *_rehasher = nullptr);
 
+struct SignOptionsT : public flatbuffers::NativeTable {
+  typedef SignOptions TableType;
+  SignOptionsT() {
+  }
+};
+
+struct SignOptions FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
+  typedef SignOptionsT NativeTableType;
+  typedef SignOptionsBuilder Builder;
+  bool Verify(flatbuffers::Verifier &verifier) const {
+    return VerifyTableStart(verifier) &&
+           verifier.EndTable();
+  }
+  SignOptionsT *UnPack(const flatbuffers::resolver_function_t *_resolver = nullptr) const;
+  void UnPackTo(SignOptionsT *_o, const flatbuffers::resolver_function_t *_resolver = nullptr) const;
+  static flatbuffers::Offset<SignOptions> Pack(flatbuffers::FlatBufferBuilder &_fbb, const SignOptionsT* _o, const flatbuffers::rehasher_function_t *_rehasher = nullptr);
+};
+
+struct SignOptionsBuilder {
+  typedef SignOptions Table;
+  flatbuffers::FlatBufferBuilder &fbb_;
+  flatbuffers::uoffset_t start_;
+  explicit SignOptionsBuilder(flatbuffers::FlatBufferBuilder &_fbb)
+        : fbb_(_fbb) {
+    start_ = fbb_.StartTable();
+  }
+  SignOptionsBuilder &operator=(const SignOptionsBuilder &);
+  flatbuffers::Offset<SignOptions> Finish() {
+    const auto end = fbb_.EndTable(start_);
+    auto o = flatbuffers::Offset<SignOptions>(end);
+    return o;
+  }
+};
+
+inline flatbuffers::Offset<SignOptions> CreateSignOptions(
+    flatbuffers::FlatBufferBuilder &_fbb) {
+  SignOptionsBuilder builder_(_fbb);
+  return builder_.Finish();
+}
+
+flatbuffers::Offset<SignOptions> CreateSignOptions(flatbuffers::FlatBufferBuilder &_fbb, const SignOptionsT *_o, const flatbuffers::rehasher_function_t *_rehasher = nullptr);
+
 struct OperatorCodeT : public flatbuffers::NativeTable {
   typedef OperatorCode TableType;
   int8_t deprecated_builtin_code;
@@ -11884,6 +11948,9 @@ struct Operator FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
   const tflite::ATan2Options *builtin_options_as_ATan2Options() const {
     return builtin_options_type() == tflite::BuiltinOptions_ATan2Options ? static_cast<const tflite::ATan2Options *>(builtin_options()) : nullptr;
   }
+  const tflite::SignOptions *builtin_options_as_SignOptions() const {
+    return builtin_options_type() == tflite::BuiltinOptions_SignOptions ? static_cast<const tflite::SignOptions *>(builtin_options()) : nullptr;
+  }
   const flatbuffers::Vector<uint8_t> *custom_options() const {
     return GetPointer<const flatbuffers::Vector<uint8_t> *>(VT_CUSTOM_OPTIONS);
   }
@@ -12408,6 +12475,10 @@ template<> inline const tflite::ATan2Options *Operator::builtin_options_as<tflit
   return builtin_options_as_ATan2Options();
 }
 
+template<> inline const tflite::SignOptions *Operator::builtin_options_as<tflite::SignOptions>() const {
+  return builtin_options_as_SignOptions();
+}
+
 struct OperatorBuilder {
   typedef Operator Table;
   flatbuffers::FlatBufferBuilder &fbb_;
@@ -16648,6 +16719,29 @@ inline flatbuffers::Offset<UnsortedSegmentMinOptions> CreateUnsortedSegmentMinOp
       _fbb);
 }
 
+inline SignOptionsT *SignOptions::UnPack(const flatbuffers::resolver_function_t *_resolver) const {
+  std::unique_ptr<tflite::SignOptionsT> _o = std::unique_ptr<tflite::SignOptionsT>(new SignOptionsT());
+  UnPackTo(_o.get(), _resolver);
+  return _o.release();
+}
+
+inline void SignOptions::UnPackTo(SignOptionsT *_o, const flatbuffers::resolver_function_t *_resolver) const {
+  (void)_o;
+  (void)_resolver;
+}
+
+inline flatbuffers::Offset<SignOptions> SignOptions::Pack(flatbuffers::FlatBufferBuilder &_fbb, const SignOptionsT* _o, const flatbuffers::rehasher_function_t *_rehasher) {
+  return CreateSignOptions(_fbb, _o, _rehasher);
+}
+
+inline flatbuffers::Offset<SignOptions> CreateSignOptions(flatbuffers::FlatBufferBuilder &_fbb, const SignOptionsT *_o, const flatbuffers::rehasher_function_t *_rehasher) {
+  (void)_rehasher;
+  (void)_o;
+  struct _VectorArgs { flatbuffers::FlatBufferBuilder *__fbb; const SignOptionsT* __o; const flatbuffers::rehasher_function_t *__rehasher; } _va = { &_fbb, _o, _rehasher}; (void)_va;
+  return tflite::CreateSignOptions(
+      _fbb);
+}
+
 inline OperatorCodeT *OperatorCode::UnPack(const flatbuffers::resolver_function_t *_resolver) const {
   std::unique_ptr<tflite::OperatorCodeT> _o = std::unique_ptr<tflite::OperatorCodeT>(new OperatorCodeT());
   UnPackTo(_o.get(), _resolver);
@@ -17611,6 +17705,10 @@ inline bool VerifyBuiltinOptions(flatbuffers::Verifier &verifier, const void *ob
       auto ptr = reinterpret_cast<const tflite::ATan2Options *>(obj);
       return verifier.VerifyTable(ptr);
     }
+    case BuiltinOptions_SignOptions: {
+      auto ptr = reinterpret_cast<const tflite::SignOptions *>(obj);
+      return verifier.VerifyTable(ptr);
+    }
     default: return true;
   }
 }
@@ -18117,6 +18215,10 @@ inline void *BuiltinOptionsUnion::UnPack(const void *obj, BuiltinOptions type, c
       auto ptr = reinterpret_cast<const tflite::ATan2Options *>(obj);
       return ptr->UnPack(resolver);
     }
+    case BuiltinOptions_SignOptions: {
+      auto ptr = reinterpret_cast<const tflite::SignOptions *>(obj);
+      return ptr->UnPack(resolver);
+    }
     default: return nullptr;
   }
 }
@@ -18611,6 +18713,10 @@ inline flatbuffers::Offset<void> BuiltinOptionsUnion::Pack(flatbuffers::FlatBuff
       auto ptr = reinterpret_cast<const tflite::ATan2OptionsT *>(value);
       return CreateATan2Options(_fbb, ptr, _rehasher).Union();
     }
+    case BuiltinOptions_SignOptions: {
+      auto ptr = reinterpret_cast<const tflite::SignOptionsT *>(value);
+      return CreateSignOptions(_fbb, ptr, _rehasher).Union();
+    }
     default: return 0;
   }
 }
@@ -19105,6 +19211,10 @@ inline BuiltinOptionsUnion::BuiltinOptionsUnion(const BuiltinOptionsUnion &u) :
       value = new tflite::ATan2OptionsT(*reinterpret_cast<tflite::ATan2OptionsT *>(u.value));
       break;
     }
+    case BuiltinOptions_SignOptions: {
+      value = new tflite::SignOptionsT(*reinterpret_cast<tflite::SignOptionsT *>(u.value));
+      break;
+    }
     default:
       break;
   }
@@ -19722,6 +19832,11 @@ inline void BuiltinOptionsUnion::Reset() {
       delete ptr;
       break;
     }
+    case BuiltinOptions_SignOptions: {
+      auto ptr = reinterpret_cast<tflite::SignOptionsT *>(value);
+      delete ptr;
+      break;
+    }
     default: break;
   }
   value = nullptr;