cavis/libnd4j/include/ops/declarable/generic/activations/relu6.cpp

70 lines
2.2 KiB
C++

/*******************************************************************************
* Copyright (c) 2015-2018 Skymind, Inc.
*
* This program and the accompanying materials are made available under the
* terms of the Apache License, Version 2.0 which is available at
* https://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.
*
* SPDX-License-Identifier: Apache-2.0
******************************************************************************/
//
// @author Yurii Shyrma, created on 16.02.2018
//
#include <op_boilerplate.h>
#if NOT_EXCLUDED(OP_relu6)
#include <ops/declarable/CustomOperations.h>
#include <ops/declarable/helpers/legacy_helpers.h>
namespace nd4j {
namespace ops {
////////////////////////////////////////////////////////////////////////
CONFIGURABLE_OP_IMPL(relu6, 1, 1, true, 1, 0) {
auto input = INPUT_VARIABLE(0);
auto output = OUTPUT_VARIABLE(0);
input->applyScalar(nd4j::scalar::RELU6, T_ARG(0), *output);
return Status::OK();
}
DECLARE_TYPES(relu6) {
getOpDescriptor()
->setAllowedInputTypes(0, DataType::ANY)
->setSameMode(true);
}
////////////////////////////////////////////////////////////////////////
CONFIGURABLE_OP_IMPL(relu6_bp, 2, 1, true, 0, 0) {
auto input = INPUT_VARIABLE(0);
auto gradO = INPUT_VARIABLE(1);
auto gradI = OUTPUT_VARIABLE(0);
//input->applyPairwiseTransform(pairwise::RELU6DerivativeE, gradO, gradI, nullptr);
helpers::relu6Derivative(block.launchContext(), input, gradO, gradI);
return Status::OK();
}
DECLARE_TYPES(relu6_bp) {
getOpDescriptor()
->setAllowedInputTypes(0, DataType::ANY)
->setAllowedInputTypes(1, {DataType::FLOAT32, DataType ::DOUBLE, DataType::HALF})
->setAllowedOutputTypes(0, {DataType::FLOAT32, DataType ::DOUBLE, DataType::HALF});
}
}
}
#endif