69 lines
2.5 KiB
C++
69 lines
2.5 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 sgazeos@gmail.com
|
|
//
|
|
|
|
#include <ops/declarable/helpers/multiUnique.h>
|
|
#include <ops/declarable/CustomOperations.h>
|
|
|
|
namespace nd4j {
|
|
namespace ops {
|
|
namespace helpers {
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
bool multiUnique(std::vector<NDArray*> const& inputList, nd4j::memory::Workspace *workspace) {
|
|
Nd4jLong length = 0;
|
|
std::vector<NDArray> reshaped(inputList.size());
|
|
int pos = 0;
|
|
Nd4jLong axis = 0;
|
|
Context cContext(1);
|
|
for (auto array: inputList) {
|
|
if (array->dataType() != nd4j::DataType::INT32)
|
|
throw std::runtime_error("multiUnique: this op support INT32 data type only.");
|
|
|
|
reshaped[pos] = array->reshape(array->ordering(), {-1});
|
|
cContext.setInputArray(pos, &reshaped[pos]);
|
|
|
|
length += array->lengthOf();
|
|
pos++;
|
|
}
|
|
NDArray arrayFull('c', {length}, nd4j::DataType::INT32);
|
|
cContext.setOutputArray(0, &arrayFull);
|
|
cContext.setIArguments(&axis, 1);
|
|
|
|
nd4j::ops::concat opConcat;
|
|
auto cResult = opConcat.execute(&cContext);
|
|
if (Status::OK() != cResult)
|
|
throw std::runtime_error("multiUnique: cannot execute concat op properly.");
|
|
|
|
nd4j::ops::unique opUnique;
|
|
auto uResult = opUnique.execute({&arrayFull}, {}, {}, {});
|
|
if (Status::OK() != uResult->status())
|
|
throw std::runtime_error("multiUnique: cannot execute unique op properly.");
|
|
|
|
auto uniqueVals = uResult->at(0);
|
|
|
|
bool res = uniqueVals->lengthOf() == arrayFull.lengthOf();
|
|
|
|
delete uResult;
|
|
return res;
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|