64 lines
2.3 KiB
C++
64 lines
2.3 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 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;
|
||
|
|
for (auto array: inputList) {
|
||
|
|
length += array->lengthOf();
|
||
|
|
}
|
||
|
|
NDArray arrayFull('c', {length}, nd4j::DataType::INT32);
|
||
|
|
arrayFull = 0;
|
||
|
|
int val = -1;
|
||
|
|
Nd4jLong border = 0;
|
||
|
|
for (auto& array: inputList) {
|
||
|
|
if (array->dataType() != nd4j::DataType::INT32)
|
||
|
|
throw std::runtime_error("multiUnique: this op support INT32 data type only.");
|
||
|
|
|
||
|
|
for (Nd4jLong pos = 0; pos < array->lengthOf(); pos++)
|
||
|
|
arrayFull.p(border + pos, array->e(pos));
|
||
|
|
// memcpy(reinterpret_cast<int*>(arrayFull.buffer() + border), reinterpret_cast<int const*>(array->getBuffer()), array->lengthOf() * array->sizeOf());
|
||
|
|
val--;
|
||
|
|
border += array->lengthOf();
|
||
|
|
}
|
||
|
|
|
||
|
|
nd4j::ops::unique opUnique;
|
||
|
|
auto uResult = opUnique.execute({&arrayFull}, {}, {}, {});
|
||
|
|
if (ND4J_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;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|