64 lines
2.6 KiB
C++
64 lines
2.6 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
|
|
******************************************************************************/
|
|
|
|
//
|
|
// Created by raver119 on 07.10.2017.
|
|
//
|
|
|
|
#include <ops/declarable/DeclarableReductionOp.h>
|
|
#include <ops/declarable/DeclarableOp.h>
|
|
#include <helpers/TAD.h>
|
|
#include <helpers/ShapeUtils.h>
|
|
#include <helpers/ConstantTadHelper.h>
|
|
#include <array/DataTypeUtils.h>
|
|
|
|
namespace nd4j {
|
|
namespace ops {
|
|
DeclarableReductionOp::DeclarableReductionOp(int numInputs, int numOutputs, const char *opName, bool allowsInplace, int tArgs, int iArgs) : nd4j::ops::DeclarableOp(numInputs, numOutputs, opName, allowsInplace, tArgs, iArgs) {
|
|
//
|
|
}
|
|
|
|
nd4j::ShapeList* DeclarableReductionOp::calculateOutputShape(nd4j::ShapeList* inputShape, nd4j::graph::Context& block) {
|
|
// int numDims = INT_ARG(0);
|
|
std::vector<int> dims;
|
|
if (inputShape->size() > 1) {
|
|
// the second argument is axis
|
|
auto axis = INPUT_VARIABLE(1);
|
|
for (int e = 0; e < axis->lengthOf(); e++)
|
|
dims.push_back(axis->e<int>(e));
|
|
}
|
|
else if (block.getIArguments()->size())
|
|
for (int e = 0; e < block.getIArguments()->size(); e++)
|
|
dims.push_back(INT_ARG(e));
|
|
else if (block.getAxis()->size()) {
|
|
dims = *block.getAxis(); //.push_back(axis->e<int>(e));
|
|
}
|
|
|
|
if (dims.size() > 1)
|
|
std::sort(dims.begin(), dims.end());
|
|
|
|
// special case - output is scalar
|
|
if (dims.size() == 0 || (dims.size() == 1 && dims.at(0) == nd4j::DataTypeUtils::max<int>())) {
|
|
auto newShape = ConstantShapeHelper::getInstance()->scalarShapeInfo(block.dataType());
|
|
return SHAPELIST(newShape);
|
|
}
|
|
|
|
auto newShape = ShapeUtils::evalReduceShapeInfo('c', dims, inputShape->at(0), false, false, block.getWorkspace());
|
|
return SHAPELIST(newShape);
|
|
}
|
|
}
|
|
}
|