cavis/libnd4j/include/array/impl/ResultSet.cpp

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/*******************************************************************************
* 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 raver119@gmail.com
//
#include <array/ResultSet.h>
#include <graph/FlatUtils.h>
namespace sd {
ResultSet::ResultSet() {
//
}
ResultSet::ResultSet(const sd::graph::FlatResult* result) {
for (int e = 0; e < result->variables()->size(); e++) {
auto var = result->variables()->Get(e);
NDArray* array;
if (var->ndarray() != nullptr) {
array = sd::graph::FlatUtils::fromFlatArray(var->ndarray());
} else if (var->shape() != nullptr) {
std::vector<Nd4jLong> shapeInfo;
for (int i = 0; i < var->shape()->size(); i++) {
shapeInfo.emplace_back(var->shape()->Get(i));
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}
// we just create empty array here
int s0 = shapeInfo.at(0);
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std::vector<Nd4jLong> shape;
for (int i = 0; i < s0; i++) {
shape.emplace_back(shapeInfo.at(i + 1));
}
array = new NDArray((char) shapeInfo.at(shapeInfo.size() - 1), shape, DataTypeUtils::fromFlatDataType(var->dtype()));
} else {
nd4j_printf("Either shape or NDArray should be defined in FlatResult variable\n","");
throw std::runtime_error("Empty variable");
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}
_content.push_back(array);
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}
}
ResultSet::ResultSet(const ResultSet& other) noexcept{
for (const auto v:other._content)
_content.emplace_back(v);
_status = other._status;
_removable = false;
}
////////////////////////////////////////////////////////////////////////
// move constructor
ResultSet::ResultSet(ResultSet&& other) noexcept {
_content = std::move(other._content);
_status = other._status;
_removable = other._removable;
other._removable = false;
}
////////////////////////////////////////////////////////////////////////
// move assignment operator
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ResultSet& ResultSet::operator=(ResultSet&& other) noexcept {
if (this == &other)
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return *this;
delContent();
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_content = std::move(other._content);
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_status = other._status;
_removable = other._removable;
other._removable = false;
return *this;
}
ResultSet& ResultSet::operator=(const ResultSet& other) noexcept {
if (this == &other)
return *this;
delContent();
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for (const auto v : other._content)
_content.push_back(v);
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_status = other._status;
_removable = false;
return *this;
}
void ResultSet::delContent() {
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if (_removable)
for (auto v : _content)
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delete v;
}
ResultSet::~ResultSet() {
delContent();
}
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void ResultSet::setNonRemovable() {
_removable = false;
}
int ResultSet::size() {
return (int) _content.size();
}
sd::NDArray* ResultSet::at(const unsigned long idx) const {
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return _content.at(idx);
}
sd::NDArray* ResultSet::operator[](const unsigned long idx) const {
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return _content[idx];
}
void ResultSet::push_back(sd::NDArray *array) {
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_content.emplace_back(array);
}
Nd4jStatus ResultSet::status() {
return _status;
}
void ResultSet::setStatus(Nd4jStatus status) {
_status = status;
}
void ResultSet::purge() {
_content.clear();
}
}