99 lines
2.4 KiB
C++
99 lines
2.4 KiB
C++
/*******************************************************************************
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* Copyright (c) 2015-2018 Skymind, Inc.
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*
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* This program and the accompanying materials are made available under the
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* terms of the Apache License, Version 2.0 which is available at
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* https://www.apache.org/licenses/LICENSE-2.0.
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* SPDX-License-Identifier: Apache-2.0
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******************************************************************************/
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//
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// @author raver119@gmail.com
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//
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#ifndef LIBND4J_UINT16_H
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#define LIBND4J_UINT16_H
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#include <stdint.h>
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#include <op_boilerplate.h>
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namespace nd4j {
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uint16_t _CUDA_HD FORCEINLINE cpu_float2uint16(float data);
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float _CUDA_HD FORCEINLINE cpu_uint162float(uint16_t data);
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struct uint16 {
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uint16_t data;
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_CUDA_HD FORCEINLINE uint16();
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_CUDA_HD FORCEINLINE ~uint16();
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template <class T>
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_CUDA_HD FORCEINLINE uint16(const T& rhs);
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template <class T>
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_CUDA_HD FORCEINLINE uint16& operator=(const T& rhs);
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_CUDA_HD FORCEINLINE operator float() const;
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_CUDA_HD FORCEINLINE void assign(double rhs);
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_CUDA_HD FORCEINLINE void assign(float rhs);
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};
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//////////////////// IMPLEMENTATIONS
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float _CUDA_HD cpu_uint162float(uint16_t data) {
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return static_cast<float>(data);
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}
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uint16_t _CUDA_HD cpu_float2uint16(float data) {
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auto t = static_cast<int>(data);
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if (t > 65536 ) t = 65536;
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if (t < 0) t = 0;
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return static_cast<uint16_t>(t);
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}
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_CUDA_HD uint16::uint16() {
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data = cpu_float2uint16(0.0f);
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}
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_CUDA_HD uint16::~uint16() {
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//
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}
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template <class T>
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_CUDA_HD uint16::uint16(const T& rhs) {
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assign(rhs);
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}
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template <class T>
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_CUDA_HD uint16& uint16::operator=(const T& rhs) {
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assign(rhs);
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return *this;
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}
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_CUDA_HD uint16::operator float() const {
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return cpu_uint162float(data);
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}
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_CUDA_HD void uint16::assign(float rhs) {
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data = cpu_float2uint16(rhs);
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}
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_CUDA_HD void uint16::assign(double rhs) {
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assign((float)rhs);
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}
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}
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#endif //LIBND4J_UINT16_H
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