reference_model/src/ops/ewise_unary.cc - tosa/reference_model - Gitiles


 // Copyright (c) 2020-2024, ARM Limited.
 //
 //    Licensed under the Apache License, Version 2.0 (the "License");
 //    you may not use this file except in compliance with the License.
 //    You may obtain a copy of the License at
 //
 //         http://www.apache.org/licenses/LICENSE-2.0
 //
 //    Unless required by applicable law or agreed to in writing, software
 //    distributed under the License is distributed on an "AS IS" BASIS,
 //    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 //    See the License for the specific language governing permissions and
 //    limitations under the License.

 #include "ewise_unary.h"
 #include "quant_util.h"
 #include "template_types.h"
 #include <cmath>

 using namespace TosaReference;
 using namespace Eigen;
 using namespace tosa;

 template <int Rank, TOSA_REF_TYPE Dtype>
 UnaryNode<Rank, Dtype>::UnaryNode(SubgraphTraverser* sgt_, const Op& op_, uint64_t id_)
     : GraphNode(sgt_, op_, id_)
 {
     setRequiredOperands(1, 1);

     fcn = [](InEigenType a) -> OutEigenType {
         ASSERT_MSG(0, "In default UnaryNode function, missing function registration");
         return OutEigenType();
     };
 }

 template <int Rank, TOSA_REF_TYPE Dtype>
 UnaryNode<Rank, Dtype>::~UnaryNode()
 {}

 template <int Rank, TOSA_REF_TYPE Dtype>
 int UnaryNode<Rank, Dtype>::checkTensorAttributes()
 {
     // Check Tosa Level
     auto tosa_level = g_func_config.tosa_level;
     LEVEL_CHECK(Rank <= tosa_level.MAX_RANK, "Rank should be smaller than or equal to MAX_RANK");

     if (validateRequiredOperands())
         return 1;

     // output and input must be the same types
     if (inputs[0]->matchRankTypeShape(*outputs[0]))
     {
         printNodeValidationError("UnaryNode: input and output rank/type/shape must match");
         return 1;
     }

     a      = dynamic_cast<TosaReference::TensorTemplate<TIn>*>(inputs[0]);
     result = dynamic_cast<TosaReference::TensorTemplate<TOut>*>(outputs[0]);

     ASSERT_MEM(a && result);

     return 0;
 }

 template <int Rank, TOSA_REF_TYPE Dtype>
 int UnaryNode<Rank, Dtype>::eval()
 {
     // call register_fcn() here to ensure inputs/outputs have been connected
     // to the node by the time register_fcn() is called for Clamp Operator
     if (register_fcn())
     {
         return 1;
     }

     this->result->getTensor() = this->a->getTensor().unaryExpr(this->fcn);

     return GraphNode::eval();
 }

 template <int Rank, TOSA_REF_TYPE Dtype>
 int OpAbs<Rank, Dtype>::register_fcn()
 {
     switch (Dtype)
     {
         case TOSA_REF_TYPE_FP32:    // No fpTrunc for FP32 as it is a no-op
         case TOSA_REF_TYPE_FP64:
         case TOSA_REF_TYPE_INT32:
             this->fcn = [](InEigenType a) -> OutEigenType { return a > (InEigenType)0 ? a : (-a); };
             break;
         case TOSA_REF_TYPE_FP16:
         case TOSA_REF_TYPE_BF16:
             this->fcn = [](InEigenType a) -> OutEigenType { return fpTrunc<Dtype>(a > (InEigenType)0 ? a : (-a)); };
             break;
         default:
             ERROR_IF(true, "unsupported TOSA_REF_TYPE %s", EnumNameTOSAREFTYPE(Dtype));
     }

     return 0;
 }

 template <int Rank, TOSA_REF_TYPE Dtype>
 int OpBitwiseNot<Rank, Dtype>::register_fcn()
 {
     switch (Dtype)
     {
         case TOSA_REF_TYPE_INT8:
         case TOSA_REF_TYPE_INT16:
         case TOSA_REF_TYPE_INT32:
             this->fcn = [](InEigenType a) -> OutEigenType { return ~a; };
             break;
         default:
             ERROR_IF(true, "unsupported TOSA_REF_TYPE %s", EnumNameTOSAREFTYPE(Dtype));
     }

     return 0;
 }

 template <int Rank, TOSA_REF_TYPE Dtype>
 int OpCeil<Rank, Dtype>::register_fcn()
 {
     switch (Dtype)
     {
         case TOSA_REF_TYPE_FP16:
         case TOSA_REF_TYPE_BF16:
         case TOSA_REF_TYPE_FP32:
             this->fcn = [](InEigenType a) -> OutEigenType { return fpTrunc<Dtype>(ceilf(a)); };
             break;
         case TOSA_REF_TYPE_FP64:
             this->fcn = [](InEigenType a) -> OutEigenType { return ceil(a); };
             break;
         default:
             ERROR_IF(true, "unsupported TOSA_REF_TYPE %s", EnumNameTOSAREFTYPE(Dtype));
     }

     return 0;
 }

 template <int Rank, TOSA_REF_TYPE Dtype>
 int OpClz<Rank, Dtype>::register_fcn()
 {
     int32_t num_bits;
     switch (Dtype)
     {
         case TOSA_REF_TYPE_INT32:
             num_bits = 32;
             break;
         default:
             ERROR_IF(true, "unsupported TOSA_REF_TYPE %s", EnumNameTOSAREFTYPE(Dtype));
     }

     this->fcn = [num_bits](int32_t a) -> int32_t {
         int32_t leading_zeros = 0;
         for (int bit = num_bits - 1; bit >= 0; bit--)
         {
             if (((a >> bit) & 0x1) == 0)
             {
                 leading_zeros++;
             }
             else
             {
                 break;
             }
         }
         return leading_zeros;
     };

     return 0;
 }

 template <int Rank, TOSA_REF_TYPE Dtype>
 int OpCos<Rank, Dtype>::register_fcn()
 {
     switch (Dtype)
     {
         case TOSA_REF_TYPE_FP16:
         case TOSA_REF_TYPE_BF16:
         case TOSA_REF_TYPE_FP32:
             this->fcn = [](InEigenType a) -> OutEigenType { return fpTrunc<Dtype>(cos(a)); };
             break;
         case TOSA_REF_TYPE_FP64:
             if (g_func_config.abs_mode)
             {
                 // ABS_ERROR bounds return
                 this->fcn = [](InEigenType a) -> OutEigenType { return a; };
             }
             else
             {
                 this->fcn = [](InEigenType a) -> OutEigenType { return cos(a); };
             };
             break;
         default:
             ERROR_IF(true, "unsupported TOSA_REF_TYPE %s", EnumNameTOSAREFTYPE(Dtype));
     }

     return 0;
 }

 template <int Rank, TOSA_REF_TYPE Dtype>
 int OpExp<Rank, Dtype>::register_fcn()
 {
     switch (Dtype)
     {
         case TOSA_REF_TYPE_FP16:
         case TOSA_REF_TYPE_BF16:
         case TOSA_REF_TYPE_FP32:
             this->fcn = [](InEigenType a) -> OutEigenType { return fpTrunc<Dtype>(expf(a)); };
             break;
         case TOSA_REF_TYPE_FP64:
             if (g_func_config.abs_mode)
             {
                 // ABS_ERROR bounds return (1+abs(a))
                 this->fcn = [](InEigenType a) -> OutEigenType { return 1.0 + (a > (InEigenType)0 ? a : (-a)); };
             }
             else
             {
                 this->fcn = [](InEigenType a) -> OutEigenType { return exp(a); };
             }
             break;
         default:
             ERROR_IF(true, "unsupported TOSA_REF_TYPE %s", EnumNameTOSAREFTYPE(Dtype));
     }

     return 0;
 }

 template <int Rank, TOSA_REF_TYPE Dtype>
 int OpFloor<Rank, Dtype>::register_fcn()
 {
     switch (Dtype)
     {
         case TOSA_REF_TYPE_FP16:
         case TOSA_REF_TYPE_BF16:
         case TOSA_REF_TYPE_FP32:
             this->fcn = [](InEigenType a) -> OutEigenType { return fpTrunc<Dtype>(floorf(a)); };
             break;
         case TOSA_REF_TYPE_FP64:
             this->fcn = [](InEigenType a) -> OutEigenType { return floor(a); };
             break;
         default:
             ERROR_IF(true, "unsupported TOSA_REF_TYPE %s", EnumNameTOSAREFTYPE(Dtype));
     }

     return 0;
 }

 template <int Rank, TOSA_REF_TYPE Dtype>
 int OpLog<Rank, Dtype>::register_fcn()
 {
     switch (Dtype)
     {
         case TOSA_REF_TYPE_FP16:
         case TOSA_REF_TYPE_BF16:
         case TOSA_REF_TYPE_FP32:
             this->fcn = [](InEigenType a) -> OutEigenType { return fpTrunc<Dtype>(logf(a)); };
             break;
         case TOSA_REF_TYPE_FP64:
             this->fcn = [](InEigenType a) -> OutEigenType { return log(a); };
             break;
         default:
             ERROR_IF(true, "unsupported TOSA_REF_TYPE %s", EnumNameTOSAREFTYPE(Dtype));
     }

     return 0;
 }

 template <int Rank, TOSA_REF_TYPE Dtype>
 int OpLogicalNot<Rank, Dtype>::register_fcn()
 {
     switch (Dtype)
     {
         case TOSA_REF_TYPE_BOOL:
             this->fcn = [](InEigenType a) -> OutEigenType { return !a; };
             break;
         default:
             ERROR_IF(true, "unsupported TOSA_REF_TYPE %s", EnumNameTOSAREFTYPE(Dtype));
     }

     return 0;
 }

 template <int Rank, TOSA_REF_TYPE Dtype>
 OpNegate<Rank, Dtype>::OpNegate(SubgraphTraverser* sgt_, TosaAttributeBase* attribute_, uint64_t id_)
     : UnaryNode<Rank, Dtype>(sgt_, Op_NEGATE, id_)
 {
     INIT_ATTRIBUTE(Negate);

     register_fcn();
 }

 template <int Rank, TOSA_REF_TYPE Dtype>
 OpNegate<Rank, Dtype>::~OpNegate()
 {
     if (attribute)
         delete attribute;
 }

 template <int Rank, TOSA_REF_TYPE Dtype>
 int OpNegate<Rank, Dtype>::register_fcn()
 {
     ERROR_IF(Dtype != TOSA_REF_TYPE_INT8 && attribute->input1_zp() != 0, "OpNegate: zeropoint only for int8_t");
     ERROR_IF(Dtype != TOSA_REF_TYPE_INT8 && attribute->output_zp() != 0, "OpNegate: zeropoint only for int8_t");

     switch (Dtype)
     {
         case TOSA_REF_TYPE_FP16:
         case TOSA_REF_TYPE_BF16:
         case TOSA_REF_TYPE_FP32:
             this->fcn = [](InEigenType a) -> OutEigenType {
                 InEigenType result = -(a);
                 return fpTrunc<Dtype>(result);
             };
             break;
         case TOSA_REF_TYPE_FP64:
             this->fcn = [](InEigenType a) -> OutEigenType {
                 OutEigenType result = -(a);
                 return result;
             };
             break;
         case TOSA_REF_TYPE_INT16:
         case TOSA_REF_TYPE_INT32:
             this->fcn = [this](InEigenType a) -> OutEigenType {
                 int64_t res_in_64     = 0L - a;
                 int64_t i32_max_in_64 = static_cast<int64_t>(std::numeric_limits<int32_t>::max());
                 int64_t i32_min_in_64 = static_cast<int64_t>(std::numeric_limits<int32_t>::min());
                 REQUIRE(res_in_64 <= i32_max_in_64 && res_in_64 >= i32_min_in_64,
                         "OpNegate: result not in acc type range (int32)");

                 int64_t max_clip_in_64, min_clip_in_64;
                 if (Dtype == TOSA_REF_TYPE_INT16)
                 {
                     max_clip_in_64 = static_cast<int64_t>(std::numeric_limits<int16_t>::max());
                     min_clip_in_64 = static_cast<int64_t>(std::numeric_limits<int16_t>::min());
                 }
                 else
                 {
                     max_clip_in_64 = i32_max_in_64;
                     min_clip_in_64 = i32_min_in_64;
                 }
                 return static_cast<InEigenType>(
                     std::min<int64_t>(max_clip_in_64, std::max<int64_t>(min_clip_in_64, res_in_64)));
             };
             break;
         case TOSA_REF_TYPE_INT8:
             this->fcn = [this](InEigenType a) -> OutEigenType {
                 int64_t res_in_64     = 0 - (a - attribute->input1_zp());
                 int64_t i32_max_in_64 = static_cast<int64_t>(std::numeric_limits<int32_t>::max());
                 int64_t i32_min_in_64 = static_cast<int64_t>(std::numeric_limits<int32_t>::min());
                 REQUIRE(res_in_64 <= i32_max_in_64 && res_in_64 >= i32_min_in_64,
                         "OpNegate: result not in acc type range (int32)");
                 res_in_64 += attribute->output_zp();
                 InEigenType result = static_cast<InEigenType>(
                     std::min(std::max(res_in_64, static_cast<int64_t>(QMin)), static_cast<int64_t>(QMax)));
                 return result;
             };
             break;
         default:
             ERROR_IF(true, "unsupported TOSA_REF_TYPE %s", EnumNameTOSAREFTYPE(Dtype));
     }

     return 0;
 }

 template <int Rank, TOSA_REF_TYPE Dtype>
 int OpReciprocal<Rank, Dtype>::register_fcn()
 {
     switch (Dtype)
     {
         case TOSA_REF_TYPE_FP16:
         case TOSA_REF_TYPE_BF16:
         case TOSA_REF_TYPE_FP32:
             this->fcn = [](InEigenType a) -> OutEigenType { return fpTrunc<Dtype>(1.0 / a); };
             break;
         case TOSA_REF_TYPE_FP64:
             this->fcn = [](InEigenType a) -> OutEigenType { return (1.0L / a); };
             break;
         default:
             ERROR_IF(true, "unsupported TOSA_REF_TYPE %s", EnumNameTOSAREFTYPE(Dtype));
     }

     return 0;
 }

 template <int Rank, TOSA_REF_TYPE Dtype>
 int OpRsqrt<Rank, Dtype>::register_fcn()
 {
     switch (Dtype)
     {
         case TOSA_REF_TYPE_FP16:
         case TOSA_REF_TYPE_BF16:
         case TOSA_REF_TYPE_FP32:
             this->fcn = [](InEigenType a) -> OutEigenType { return fpTrunc<Dtype>(1.0 / sqrtf(a)); };
             break;
         case TOSA_REF_TYPE_FP64:
             this->fcn = [](InEigenType a) -> OutEigenType { return (1.0L / sqrt(a)); };
             break;
         default:
             ERROR_IF(true, "unsupported TOSA_REF_TYPE %s", EnumNameTOSAREFTYPE(Dtype));
     }

     return 0;
 }

 template <int Rank, TOSA_REF_TYPE Dtype>
 int OpSin<Rank, Dtype>::register_fcn()
 {
     switch (Dtype)
     {
         case TOSA_REF_TYPE_FP16:
         case TOSA_REF_TYPE_BF16:
         case TOSA_REF_TYPE_FP32:
             this->fcn = [](InEigenType a) -> OutEigenType { return fpTrunc<Dtype>(sin(a)); };
             break;
         case TOSA_REF_TYPE_FP64:
             if (g_func_config.abs_mode)
             {
                 // ABS_ERROR bounds return
                 this->fcn = [](InEigenType a) -> OutEigenType { return a; };
             }
             else
             {
                 this->fcn = [](InEigenType a) -> OutEigenType { return sin(a); };
             };
             break;
         default:
             ERROR_IF(true, "unsupported TOSA_REF_TYPE %s", EnumNameTOSAREFTYPE(Dtype));
     }

     return 0;
 }

 // template explicit instantiation
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(UnaryNode, BOOL);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(UnaryNode, FP16);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(UnaryNode, BF16);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(UnaryNode, FP32);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(UnaryNode, INT8);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(UnaryNode, INT16);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(UnaryNode, INT32);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(UnaryNode, FP64);

 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpAbs, FP16);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpAbs, BF16);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpAbs, FP32);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpAbs, INT32);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpAbs, FP64);

 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpBitwiseNot, INT8);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpBitwiseNot, INT16);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpBitwiseNot, INT32);

 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpCeil, FP16);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpCeil, BF16);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpCeil, FP32);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpCeil, FP64);

 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpClz, INT32);

 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpCos, FP16);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpCos, BF16);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpCos, FP32);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpCos, FP64);

 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpExp, FP16);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpExp, BF16);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpExp, FP32);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpExp, FP64);

 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpFloor, FP16);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpFloor, BF16);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpFloor, FP32);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpFloor, FP64);

 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpLog, FP16);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpLog, BF16);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpLog, FP32);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpLog, FP64);

 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpLogicalNot, BOOL);

 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpNegate, FP16);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpNegate, BF16);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpNegate, FP32);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpNegate, INT8);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpNegate, INT16);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpNegate, INT32);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpNegate, FP64);

 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpRsqrt, FP16);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpRsqrt, BF16);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpRsqrt, FP32);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpRsqrt, FP64);

 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpSin, FP16);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpSin, BF16);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpSin, FP32);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpSin, FP64);

 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpReciprocal, FP16);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpReciprocal, BF16);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpReciprocal, FP32);
 DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpReciprocal, FP64);

	// Copyright (c) 2020-2024, ARM Limited.
	//
	// Licensed under the Apache License, Version 2.0 (the "License");
	// you may not use this file except in compliance with the License.
	// You may obtain a copy of the License at
	//
	// http://www.apache.org/licenses/LICENSE-2.0
	//
	// Unless required by applicable law or agreed to in writing, software
	// distributed under the License is distributed on an "AS IS" BASIS,
	// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	// See the License for the specific language governing permissions and
	// limitations under the License.

	#include "ewise_unary.h"
	#include "quant_util.h"
	#include "template_types.h"
	#include <cmath>

	using namespace TosaReference;
	using namespace Eigen;
	using namespace tosa;

	template <int Rank, TOSA_REF_TYPE Dtype>
	UnaryNode<Rank, Dtype>::UnaryNode(SubgraphTraverser* sgt_, const Op& op_, uint64_t id_)
	: GraphNode(sgt_, op_, id_)
	{
	setRequiredOperands(1, 1);

	fcn = [](InEigenType a) -> OutEigenType {
	ASSERT_MSG(0, "In default UnaryNode function, missing function registration");
	return OutEigenType();
	};
	}

	template <int Rank, TOSA_REF_TYPE Dtype>
	UnaryNode<Rank, Dtype>::~UnaryNode()
	{}

	template <int Rank, TOSA_REF_TYPE Dtype>
	int UnaryNode<Rank, Dtype>::checkTensorAttributes()
	{
	// Check Tosa Level
	auto tosa_level = g_func_config.tosa_level;
	LEVEL_CHECK(Rank <= tosa_level.MAX_RANK, "Rank should be smaller than or equal to MAX_RANK");

	if (validateRequiredOperands())
	return 1;

	// output and input must be the same types
	if (inputs[0]->matchRankTypeShape(*outputs[0]))
	{
	printNodeValidationError("UnaryNode: input and output rank/type/shape must match");
	return 1;
	}

	a = dynamic_cast<TosaReference::TensorTemplate<TIn>*>(inputs[0]);
	result = dynamic_cast<TosaReference::TensorTemplate<TOut>*>(outputs[0]);

	ASSERT_MEM(a && result);

	return 0;
	}

	template <int Rank, TOSA_REF_TYPE Dtype>
	int UnaryNode<Rank, Dtype>::eval()
	{
	// call register_fcn() here to ensure inputs/outputs have been connected
	// to the node by the time register_fcn() is called for Clamp Operator
	if (register_fcn())
	{
	return 1;
	}

	this->result->getTensor() = this->a->getTensor().unaryExpr(this->fcn);

	return GraphNode::eval();
	}

	template <int Rank, TOSA_REF_TYPE Dtype>
	int OpAbs<Rank, Dtype>::register_fcn()
	{
	switch (Dtype)
	{
	case TOSA_REF_TYPE_FP32: // No fpTrunc for FP32 as it is a no-op
	case TOSA_REF_TYPE_FP64:
	case TOSA_REF_TYPE_INT32:
	this->fcn = [](InEigenType a) -> OutEigenType { return a > (InEigenType)0 ? a : (-a); };
	break;
	case TOSA_REF_TYPE_FP16:
	case TOSA_REF_TYPE_BF16:
	this->fcn = [](InEigenType a) -> OutEigenType { return fpTrunc<Dtype>(a > (InEigenType)0 ? a : (-a)); };
	break;
	default:
	ERROR_IF(true, "unsupported TOSA_REF_TYPE %s", EnumNameTOSAREFTYPE(Dtype));
	}

	return 0;
	}

	template <int Rank, TOSA_REF_TYPE Dtype>
	int OpBitwiseNot<Rank, Dtype>::register_fcn()
	{
	switch (Dtype)
	{
	case TOSA_REF_TYPE_INT8:
	case TOSA_REF_TYPE_INT16:
	case TOSA_REF_TYPE_INT32:
	this->fcn = [](InEigenType a) -> OutEigenType { return ~a; };
	break;
	default:
	ERROR_IF(true, "unsupported TOSA_REF_TYPE %s", EnumNameTOSAREFTYPE(Dtype));
	}

	return 0;
	}

	template <int Rank, TOSA_REF_TYPE Dtype>
	int OpCeil<Rank, Dtype>::register_fcn()
	{
	switch (Dtype)
	{
	case TOSA_REF_TYPE_FP16:
	case TOSA_REF_TYPE_BF16:
	case TOSA_REF_TYPE_FP32:
	this->fcn = [](InEigenType a) -> OutEigenType { return fpTrunc<Dtype>(ceilf(a)); };
	break;
	case TOSA_REF_TYPE_FP64:
	this->fcn = [](InEigenType a) -> OutEigenType { return ceil(a); };
	break;
	default:
	ERROR_IF(true, "unsupported TOSA_REF_TYPE %s", EnumNameTOSAREFTYPE(Dtype));
	}

	return 0;
	}

	template <int Rank, TOSA_REF_TYPE Dtype>
	int OpClz<Rank, Dtype>::register_fcn()
	{
	int32_t num_bits;
	switch (Dtype)
	{
	case TOSA_REF_TYPE_INT32:
	num_bits = 32;
	break;
	default:
	ERROR_IF(true, "unsupported TOSA_REF_TYPE %s", EnumNameTOSAREFTYPE(Dtype));
	}

	this->fcn = [num_bits](int32_t a) -> int32_t {
	int32_t leading_zeros = 0;
	for (int bit = num_bits - 1; bit >= 0; bit--)
	{
	if (((a >> bit) & 0x1) == 0)
	{
	leading_zeros++;
	}
	else
	{
	break;
	}
	}
	return leading_zeros;
	};

	return 0;
	}

	template <int Rank, TOSA_REF_TYPE Dtype>
	int OpCos<Rank, Dtype>::register_fcn()
	{
	switch (Dtype)
	{
	case TOSA_REF_TYPE_FP16:
	case TOSA_REF_TYPE_BF16:
	case TOSA_REF_TYPE_FP32:
	this->fcn = [](InEigenType a) -> OutEigenType { return fpTrunc<Dtype>(cos(a)); };
	break;
	case TOSA_REF_TYPE_FP64:
	if (g_func_config.abs_mode)
	{
	// ABS_ERROR bounds return
	this->fcn = [](InEigenType a) -> OutEigenType { return a; };
	}
	else
	{
	this->fcn = [](InEigenType a) -> OutEigenType { return cos(a); };
	};
	break;
	default:
	ERROR_IF(true, "unsupported TOSA_REF_TYPE %s", EnumNameTOSAREFTYPE(Dtype));
	}

	return 0;
	}

	template <int Rank, TOSA_REF_TYPE Dtype>
	int OpExp<Rank, Dtype>::register_fcn()
	{
	switch (Dtype)
	{
	case TOSA_REF_TYPE_FP16:
	case TOSA_REF_TYPE_BF16:
	case TOSA_REF_TYPE_FP32:
	this->fcn = [](InEigenType a) -> OutEigenType { return fpTrunc<Dtype>(expf(a)); };
	break;
	case TOSA_REF_TYPE_FP64:
	if (g_func_config.abs_mode)
	{
	// ABS_ERROR bounds return (1+abs(a))
	this->fcn = [](InEigenType a) -> OutEigenType { return 1.0 + (a > (InEigenType)0 ? a : (-a)); };
	}
	else
	{
	this->fcn = [](InEigenType a) -> OutEigenType { return exp(a); };
	}
	break;
	default:
	ERROR_IF(true, "unsupported TOSA_REF_TYPE %s", EnumNameTOSAREFTYPE(Dtype));
	}

	return 0;
	}

	template <int Rank, TOSA_REF_TYPE Dtype>
	int OpFloor<Rank, Dtype>::register_fcn()
	{
	switch (Dtype)
	{
	case TOSA_REF_TYPE_FP16:
	case TOSA_REF_TYPE_BF16:
	case TOSA_REF_TYPE_FP32:
	this->fcn = [](InEigenType a) -> OutEigenType { return fpTrunc<Dtype>(floorf(a)); };
	break;
	case TOSA_REF_TYPE_FP64:
	this->fcn = [](InEigenType a) -> OutEigenType { return floor(a); };
	break;
	default:
	ERROR_IF(true, "unsupported TOSA_REF_TYPE %s", EnumNameTOSAREFTYPE(Dtype));
	}

	return 0;
	}

	template <int Rank, TOSA_REF_TYPE Dtype>
	int OpLog<Rank, Dtype>::register_fcn()
	{
	switch (Dtype)
	{
	case TOSA_REF_TYPE_FP16:
	case TOSA_REF_TYPE_BF16:
	case TOSA_REF_TYPE_FP32:
	this->fcn = [](InEigenType a) -> OutEigenType { return fpTrunc<Dtype>(logf(a)); };
	break;
	case TOSA_REF_TYPE_FP64:
	this->fcn = [](InEigenType a) -> OutEigenType { return log(a); };
	break;
	default:
	ERROR_IF(true, "unsupported TOSA_REF_TYPE %s", EnumNameTOSAREFTYPE(Dtype));
	}

	return 0;
	}

	template <int Rank, TOSA_REF_TYPE Dtype>
	int OpLogicalNot<Rank, Dtype>::register_fcn()
	{
	switch (Dtype)
	{
	case TOSA_REF_TYPE_BOOL:
	this->fcn = [](InEigenType a) -> OutEigenType { return !a; };
	break;
	default:
	ERROR_IF(true, "unsupported TOSA_REF_TYPE %s", EnumNameTOSAREFTYPE(Dtype));
	}

	return 0;
	}

	template <int Rank, TOSA_REF_TYPE Dtype>
	OpNegate<Rank, Dtype>::OpNegate(SubgraphTraverser* sgt_, TosaAttributeBase* attribute_, uint64_t id_)
	: UnaryNode<Rank, Dtype>(sgt_, Op_NEGATE, id_)
	{
	INIT_ATTRIBUTE(Negate);

	register_fcn();
	}

	template <int Rank, TOSA_REF_TYPE Dtype>
	OpNegate<Rank, Dtype>::~OpNegate()
	{
	if (attribute)
	delete attribute;
	}

	template <int Rank, TOSA_REF_TYPE Dtype>
	int OpNegate<Rank, Dtype>::register_fcn()
	{
	ERROR_IF(Dtype != TOSA_REF_TYPE_INT8 && attribute->input1_zp() != 0, "OpNegate: zeropoint only for int8_t");
	ERROR_IF(Dtype != TOSA_REF_TYPE_INT8 && attribute->output_zp() != 0, "OpNegate: zeropoint only for int8_t");

	switch (Dtype)
	{
	case TOSA_REF_TYPE_FP16:
	case TOSA_REF_TYPE_BF16:
	case TOSA_REF_TYPE_FP32:
	this->fcn = [](InEigenType a) -> OutEigenType {
	InEigenType result = -(a);
	return fpTrunc<Dtype>(result);
	};
	break;
	case TOSA_REF_TYPE_FP64:
	this->fcn = [](InEigenType a) -> OutEigenType {
	OutEigenType result = -(a);
	return result;
	};
	break;
	case TOSA_REF_TYPE_INT16:
	case TOSA_REF_TYPE_INT32:
	this->fcn = [this](InEigenType a) -> OutEigenType {
	int64_t res_in_64 = 0L - a;
	int64_t i32_max_in_64 = static_cast<int64_t>(std::numeric_limits<int32_t>::max());
	int64_t i32_min_in_64 = static_cast<int64_t>(std::numeric_limits<int32_t>::min());
	REQUIRE(res_in_64 <= i32_max_in_64 && res_in_64 >= i32_min_in_64,
	"OpNegate: result not in acc type range (int32)");

	int64_t max_clip_in_64, min_clip_in_64;
	if (Dtype == TOSA_REF_TYPE_INT16)
	{
	max_clip_in_64 = static_cast<int64_t>(std::numeric_limits<int16_t>::max());
	min_clip_in_64 = static_cast<int64_t>(std::numeric_limits<int16_t>::min());
	}
	else
	{
	max_clip_in_64 = i32_max_in_64;
	min_clip_in_64 = i32_min_in_64;
	}
	return static_cast<InEigenType>(
	std::min<int64_t>(max_clip_in_64, std::max<int64_t>(min_clip_in_64, res_in_64)));
	};
	break;
	case TOSA_REF_TYPE_INT8:
	this->fcn = [this](InEigenType a) -> OutEigenType {
	int64_t res_in_64 = 0 - (a - attribute->input1_zp());
	int64_t i32_max_in_64 = static_cast<int64_t>(std::numeric_limits<int32_t>::max());
	int64_t i32_min_in_64 = static_cast<int64_t>(std::numeric_limits<int32_t>::min());
	REQUIRE(res_in_64 <= i32_max_in_64 && res_in_64 >= i32_min_in_64,
	"OpNegate: result not in acc type range (int32)");
	res_in_64 += attribute->output_zp();
	InEigenType result = static_cast<InEigenType>(
	std::min(std::max(res_in_64, static_cast<int64_t>(QMin)), static_cast<int64_t>(QMax)));
	return result;
	};
	break;
	default:
	ERROR_IF(true, "unsupported TOSA_REF_TYPE %s", EnumNameTOSAREFTYPE(Dtype));
	}

	return 0;
	}

	template <int Rank, TOSA_REF_TYPE Dtype>
	int OpReciprocal<Rank, Dtype>::register_fcn()
	{
	switch (Dtype)
	{
	case TOSA_REF_TYPE_FP16:
	case TOSA_REF_TYPE_BF16:
	case TOSA_REF_TYPE_FP32:
	this->fcn = [](InEigenType a) -> OutEigenType { return fpTrunc<Dtype>(1.0 / a); };
	break;
	case TOSA_REF_TYPE_FP64:
	this->fcn = [](InEigenType a) -> OutEigenType { return (1.0L / a); };
	break;
	default:
	ERROR_IF(true, "unsupported TOSA_REF_TYPE %s", EnumNameTOSAREFTYPE(Dtype));
	}

	return 0;
	}

	template <int Rank, TOSA_REF_TYPE Dtype>
	int OpRsqrt<Rank, Dtype>::register_fcn()
	{
	switch (Dtype)
	{
	case TOSA_REF_TYPE_FP16:
	case TOSA_REF_TYPE_BF16:
	case TOSA_REF_TYPE_FP32:
	this->fcn = [](InEigenType a) -> OutEigenType { return fpTrunc<Dtype>(1.0 / sqrtf(a)); };
	break;
	case TOSA_REF_TYPE_FP64:
	this->fcn = [](InEigenType a) -> OutEigenType { return (1.0L / sqrt(a)); };
	break;
	default:
	ERROR_IF(true, "unsupported TOSA_REF_TYPE %s", EnumNameTOSAREFTYPE(Dtype));
	}

	return 0;
	}

	template <int Rank, TOSA_REF_TYPE Dtype>
	int OpSin<Rank, Dtype>::register_fcn()
	{
	switch (Dtype)
	{
	case TOSA_REF_TYPE_FP16:
	case TOSA_REF_TYPE_BF16:
	case TOSA_REF_TYPE_FP32:
	this->fcn = [](InEigenType a) -> OutEigenType { return fpTrunc<Dtype>(sin(a)); };
	break;
	case TOSA_REF_TYPE_FP64:
	if (g_func_config.abs_mode)
	{
	// ABS_ERROR bounds return
	this->fcn = [](InEigenType a) -> OutEigenType { return a; };
	}
	else
	{
	this->fcn = [](InEigenType a) -> OutEigenType { return sin(a); };
	};
	break;
	default:
	ERROR_IF(true, "unsupported TOSA_REF_TYPE %s", EnumNameTOSAREFTYPE(Dtype));
	}

	return 0;
	}

	// template explicit instantiation
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(UnaryNode, BOOL);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(UnaryNode, FP16);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(UnaryNode, BF16);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(UnaryNode, FP32);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(UnaryNode, INT8);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(UnaryNode, INT16);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(UnaryNode, INT32);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(UnaryNode, FP64);

	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpAbs, FP16);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpAbs, BF16);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpAbs, FP32);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpAbs, INT32);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpAbs, FP64);

	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpBitwiseNot, INT8);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpBitwiseNot, INT16);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpBitwiseNot, INT32);

	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpCeil, FP16);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpCeil, BF16);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpCeil, FP32);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpCeil, FP64);

	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpClz, INT32);

	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpCos, FP16);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpCos, BF16);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpCos, FP32);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpCos, FP64);

	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpExp, FP16);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpExp, BF16);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpExp, FP32);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpExp, FP64);

	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpFloor, FP16);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpFloor, BF16);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpFloor, FP32);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpFloor, FP64);

	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpLog, FP16);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpLog, BF16);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpLog, FP32);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpLog, FP64);

	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpLogicalNot, BOOL);

	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpNegate, FP16);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpNegate, BF16);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpNegate, FP32);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpNegate, INT8);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpNegate, INT16);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpNegate, INT32);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpNegate, FP64);

	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpRsqrt, FP16);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpRsqrt, BF16);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpRsqrt, FP32);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpRsqrt, FP64);

	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpSin, FP16);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpSin, BF16);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpSin, FP32);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpSin, FP64);

	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpReciprocal, FP16);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpReciprocal, BF16);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpReciprocal, FP32);
	DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpReciprocal, FP64);