111 lines
3.3 KiB
C++
111 lines
3.3 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 (iuriish@yahoo.com), created on 02.11.2017
|
|
//
|
|
|
|
#include <op_boilerplate.h>
|
|
#if NOT_EXCLUDED(OP_reverse)
|
|
|
|
#include <ops/declarable/CustomOperations.h>
|
|
#include <ops/declarable/helpers/reverse.h>
|
|
|
|
|
|
namespace nd4j {
|
|
namespace ops {
|
|
|
|
CONFIGURABLE_OP_IMPL(reverse, 1, 1, true, 0, -2) {
|
|
|
|
auto input = INPUT_VARIABLE(0);
|
|
auto output = OUTPUT_VARIABLE(0);
|
|
|
|
if(output->isEmpty()){
|
|
//No-op
|
|
return Status::OK();
|
|
}
|
|
|
|
std::vector<int> axis;
|
|
|
|
if (block.width() > 1)
|
|
axis = INPUT_VARIABLE(1)->template asVectorT<int>();
|
|
else if (block.numI() > 0)
|
|
axis = *block.getIArguments();
|
|
|
|
if(axis.empty()) { // do not perform reversion
|
|
if (!block.isInplace())
|
|
output->assign(input);
|
|
}
|
|
else {
|
|
// check the consistency of input dimensions to reverse along
|
|
shape::checkDimensions(input->rankOf(), axis);
|
|
helpers::reverse(block.launchContext(), input, output, &axis, false);
|
|
}
|
|
|
|
return Status::OK();
|
|
}
|
|
|
|
DECLARE_SYN(reverse_v2, reverse);
|
|
|
|
DECLARE_TYPES(reverse) {
|
|
getOpDescriptor()->setAllowedInputTypes(0, DataType::ANY);
|
|
getOpDescriptor()->setAllowedInputTypes(1, {DataType::INT32, DataType::INT64});
|
|
getOpDescriptor()->setAllowedOutputTypes(0, DataType::INHERIT);
|
|
}
|
|
|
|
CUSTOM_OP_IMPL(reverse_bp, 2, 1, false, 0, -2) {
|
|
auto input = INPUT_VARIABLE(0);
|
|
auto eps = block.width() == 3 ? INPUT_VARIABLE(2) : INPUT_VARIABLE(1);
|
|
|
|
auto output = OUTPUT_VARIABLE(0);
|
|
std::vector<int> axis;
|
|
|
|
if (block.width() == 3)
|
|
axis = INPUT_VARIABLE(1)->template asVectorT<int>();
|
|
else if (block.numI() > 0)
|
|
axis = *block.getIArguments();
|
|
|
|
if(axis.empty()) { // reversion is not performed in this case
|
|
output->assign(eps);
|
|
}
|
|
else {
|
|
// check the consistency of input dimensions to reverse along
|
|
shape::checkDimensions(input->rankOf(), axis);
|
|
// we just reverse back original array
|
|
helpers::reverse(block.launchContext(), eps, output, &axis, true);
|
|
}
|
|
|
|
return Status::OK();
|
|
}
|
|
|
|
DECLARE_TYPES(reverse_bp) {
|
|
getOpDescriptor()
|
|
->setAllowedInputTypes(nd4j::DataType::ANY)
|
|
->setAllowedOutputTypes({ALL_FLOATS});
|
|
}
|
|
|
|
DECLARE_SHAPE_FN(reverse_bp) {
|
|
auto in = inputShape->at(0);
|
|
Nd4jLong *out;
|
|
COPY_SHAPE(in, out);
|
|
|
|
return SHAPELIST(CONSTANT(out));
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
#endif |