69 lines
2.2 KiB
C++
69 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 (iuriish@yahoo.com), created on 24.01.2018
|
|
//
|
|
|
|
#include <op_boilerplate.h>
|
|
#if NOT_EXCLUDED(OP_trace)
|
|
|
|
#include <ops/declarable/CustomOperations.h>
|
|
#include<ops/declarable/helpers/transforms.h>
|
|
|
|
namespace nd4j {
|
|
namespace ops {
|
|
|
|
CUSTOM_OP_IMPL(trace, 1, 1, false, 0, 0) {
|
|
|
|
auto input = INPUT_VARIABLE(0);
|
|
auto output = OUTPUT_VARIABLE(0);
|
|
|
|
REQUIRE_TRUE(input->rankOf() >= 2, 0, "TRACE op: the rank of input array must be >=2, but got %i instead!", input->rankOf());
|
|
|
|
helpers::trace(block.launchContext(), *input, *output);
|
|
|
|
return Status::OK();
|
|
}
|
|
|
|
DECLARE_TYPES(trace) {
|
|
getOpDescriptor()->setAllowedInputTypes(0, {ALL_FLOATS})
|
|
->setAllowedOutputTypes(0, {ALL_FLOATS});
|
|
}
|
|
|
|
DECLARE_SHAPE_FN(trace) {
|
|
auto inShapeInfo = inputShape->at(0);
|
|
|
|
REQUIRE_TRUE(inShapeInfo[0] >= 2, 0, "TRACE op: the rank of input array must be >=2, but got %i instead!", inShapeInfo[0]);
|
|
const int rank = inShapeInfo[0] - 2;
|
|
|
|
Nd4jLong* outShapeInfo(nullptr);
|
|
ALLOCATE(outShapeInfo, block.getWorkspace(), shape::shapeInfoLength(rank), Nd4jLong);
|
|
|
|
outShapeInfo[0] = rank;
|
|
for(int i=1; i <= rank; ++i)
|
|
outShapeInfo[i] = inShapeInfo[i];
|
|
|
|
shape::updateStrides(outShapeInfo, shape::order(inShapeInfo));
|
|
auto result = ConstantShapeHelper::getInstance()->createShapeInfo(ShapeDescriptor(outShapeInfo, ArrayOptions::dataType(inShapeInfo)));
|
|
RELEASE(outShapeInfo, block.getWorkspace());
|
|
return SHAPELIST(result);
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
#endif |