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// Copyright (c) 2020, 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.
#ifndef OPS_TERNARY_H
#define OPS_TERNARY_H
#include "graph_node.h"
using namespace tosa;
namespace TosaReference
{
// The Ternary Select op has the following operands:
// 1. Cond: rank N, type=bool
// 2. Then_val: Rank N, type=<V>
// 3. Else_val: Rank N, type=<V>
// 4. Result: Rank N, type=<V>
// Cond, Then_val, Else_val need to be mutually-broadcastable
template <int Rank, DType Dtype>
class OpSelectBase : public GraphNode
{
public:
OpSelectBase(TosaAttributeBase* attribute_, TosaQuantInfoBase* qinfo_, uint64_t id_);
virtual ~OpSelectBase();
virtual int checkTensorAttributes();
virtual int eval();
using CondEigenType = typename GetEigenType<DType_BOOL>::type;
using InEigenType = typename GetEigenType<Dtype>::type;
using TCond = Eigen::Tensor<CondEigenType, Rank>;
using TIn = Eigen::Tensor<InEigenType, Rank>;
protected:
TosaReference::TensorTemplate<TCond>* cond;
Eigen::array<int, Rank> bcast_cond;
Eigen::array<int, Rank> bcast_then;
Eigen::array<int, Rank> bcast_else;
TosaReference::TensorTemplate<TIn>* then_val;
TosaReference::TensorTemplate<TIn>* else_val;
TosaReference::TensorTemplate<TIn>* out;
};
// primary class
template <int Rank, DType Dtype>
class OpSelect : public OpSelectBase<Rank, Dtype>
{
public:
OpSelect(TosaAttributeBase* attribute_, TosaQuantInfoBase* qinfo_, uint64_t id_)
: OpSelectBase<Rank, Dtype>(attribute_, qinfo_, id_)
{}
virtual int eval();
int broadcast();
using InEigenType = typename OpSelectBase<Rank, Dtype>::InEigenType;
};
// partial specialization for rank 0
template <DType Dtype>
class OpSelect<0, Dtype> : public OpSelectBase<0, Dtype>
{
public:
OpSelect(TosaAttributeBase* attribute_, TosaQuantInfoBase* qinfo_, uint64_t id_)
: OpSelectBase<0, Dtype>(attribute_, qinfo_, id_)
{}
virtual int eval();
};
}; // namespace TosaReference
#endif
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