cavis/libnd4j/include/array/impl/ConstantDataBuffer.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/ConstantDataBuffer.h>
#include <array/DataTypeUtils.h>
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namespace sd {
ConstantDataBuffer::ConstantDataBuffer(
const std::shared_ptr<PointerWrapper>& primary,
uint64_t numEelements,
DataType dtype) : ConstantDataBuffer(primary, {}, numEelements, dtype) {
//
}
ConstantDataBuffer::ConstantDataBuffer(
const std::shared_ptr<PointerWrapper>& primary,
const std::shared_ptr<PointerWrapper>& special,
uint64_t numEelements,
DataType dtype) : _primaryBuffer(primary), _specialBuffer(special), _length(numEelements) {
_sizeOf = DataTypeUtils::sizeOf(dtype);
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}
void* ConstantDataBuffer::primary() const {
return _primaryBuffer->pointer();
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}
void* ConstantDataBuffer::special() const {
return _specialBuffer ? _specialBuffer->pointer() : nullptr;
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}
uint8_t ConstantDataBuffer::sizeOf() const {
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return _sizeOf;
}
uint64_t ConstantDataBuffer::length() const {
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return _length;
}
ConstantDataBuffer::ConstantDataBuffer(const ConstantDataBuffer &other) {
_primaryBuffer = other._primaryBuffer;
_specialBuffer = other._specialBuffer;
_length = other._length;
_sizeOf = other._sizeOf;
}
template <typename T>
T* ConstantDataBuffer::primaryAsT() const {
return reinterpret_cast<T*>(_primaryBuffer->pointer());
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}
template ND4J_EXPORT float* ConstantDataBuffer::primaryAsT<float>() const;
template ND4J_EXPORT double* ConstantDataBuffer::primaryAsT<double>() const;
template ND4J_EXPORT int* ConstantDataBuffer::primaryAsT<int>() const;
template ND4J_EXPORT Nd4jLong* ConstantDataBuffer::primaryAsT<Nd4jLong>() const;
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template <typename T>
T* ConstantDataBuffer::specialAsT() const {
return reinterpret_cast<T*>(special());
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}
template ND4J_EXPORT float* ConstantDataBuffer::specialAsT<float>() const;
template ND4J_EXPORT double* ConstantDataBuffer::specialAsT<double>() const;
template ND4J_EXPORT int* ConstantDataBuffer::specialAsT<int>() const;
template ND4J_EXPORT Nd4jLong* ConstantDataBuffer::specialAsT<Nd4jLong>() const;
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}