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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.
#include "activation_funcs.h"
#include "quant_util.h"
#include "template_types.h"
#include <cmath>
using namespace TosaReference;
using namespace Eigen;
using namespace tosa;
template <int Rank, DType Dtype>
int OpClamp<Rank, Dtype>::register_fcn()
{
switch (Dtype)
{
case DType_FLOAT:
{
InEigenType min = (InEigenType)attribute->min_fp();
InEigenType max = (InEigenType)attribute->max_fp();
this->fcn = [min, max](InEigenType a) -> OutEigenType { return a <= min ? min : a >= max ? max : a; };
}
break;
case DType_AINT8:
case DType_INT16:
{
InEigenType min = (InEigenType)attribute->min_int();
InEigenType max = (InEigenType)attribute->max_int();
this->fcn = [min, max](InEigenType a) -> OutEigenType { return a <= min ? min : a >= max ? max : a; };
}
break;
default:
FATAL_ERROR_NODE("unsupported DType %s", EnumNamesDType()[Dtype]);
}
return 0;
}
template <int Rank, DType Dtype>
int OpReluN<Rank, Dtype>::register_fcn()
{
switch (Dtype)
{
case DType_FLOAT:
{
InEigenType N = (InEigenType)attribute->max_fp();
this->fcn = [N](InEigenType a) -> OutEigenType { return a >= 0 ? (a <= N ? a : N) : 0; };
}
break;
case DType_INT32:
{
InEigenType N = (InEigenType)attribute->max_int();
this->fcn = [N](InEigenType a) -> OutEigenType { return a >= 0 ? (a <= N ? a : N) : 0; };
}
break;
default:
FATAL_ERROR_NODE("unsupported DType %s", EnumNamesDType()[Dtype]);
}
return 0;
}
template <int Rank, DType Dtype>
int OpSigmoid<Rank, Dtype>::register_fcn()
{
switch (Dtype)
{
case DType_FLOAT:
this->fcn = [](InEigenType a) -> OutEigenType { return (1.0 / (1.0 + (expf(-1.0 * a)))); };
break;
default:
FATAL_ERROR_NODE("unsupported DType %s", EnumNamesDType()[Dtype]);
}
return 0;
}
template <int Rank, DType Dtype>
int OpTanh<Rank, Dtype>::register_fcn()
{
switch (Dtype)
{
case DType_FLOAT:
this->fcn = [](InEigenType a) -> OutEigenType { return tanhf(a); };
break;
default:
FATAL_ERROR_NODE("unsupported DType %s", EnumNamesDType()[Dtype]);
}
return 0;
}
// template explicit instantiation
DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpClamp, FLOAT);
DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpClamp, AINT8);
DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpClamp, INT16);
DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpReluN, FLOAT);
DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpReluN, INT32);
DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpSigmoid, FLOAT);
DEF_INSTANTIATE_RANK0_6_ONE_RANK_ONE_TYPE(OpTanh, FLOAT);
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