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98 lines
3.4 KiB
C++
98 lines
3.4 KiB
C++
/*
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* By downloading, copying, installing or using the software you agree to this license.
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* If you do not agree to this license, do not download, install,
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* copy or use the software.
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*
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*
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* License Agreement
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* For Open Source Computer Vision Library
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* (3-clause BSD License)
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*
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* Copyright (C) 2014-2015, NVIDIA Corporation, all rights reserved.
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* Third party copyrights are property of their respective owners.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* * Neither the names of the copyright holders nor the names of the contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* This software is provided by the copyright holders and contributors "as is" and
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* any express or implied warranties, including, but not limited to, the implied
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* warranties of merchantability and fitness for a particular purpose are disclaimed.
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* In no event shall copyright holders or contributors be liable for any direct,
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* indirect, incidental, special, exemplary, or consequential damages
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* (including, but not limited to, procurement of substitute goods or services;
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* loss of use, data, or profits; or business interruption) however caused
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* and on any theory of liability, whether in contract, strict liability,
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* or tort (including negligence or otherwise) arising in any way out of
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* the use of this software, even if advised of the possibility of such damage.
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*/
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#ifndef CAROTENE_SRC_COMMON_HPP
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#define CAROTENE_SRC_COMMON_HPP
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#include <cstddef>
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#include <cstdlib>
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#include <algorithm>
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#if defined WITH_NEON && (defined __ARM_NEON__ || defined __ARM_NEON)
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#define CAROTENE_NEON
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#endif
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#ifdef CAROTENE_NEON
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#include <arm_neon.h>
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#include "intrinsics.hpp"
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#endif
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#include <carotene/functions.hpp>
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#include "saturate_cast.hpp"
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namespace CAROTENE_NS { namespace internal {
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inline void prefetch(const void *ptr, size_t offset = 32*10)
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{
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#if defined __GNUC__
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__builtin_prefetch(reinterpret_cast<const char*>(ptr) + offset);
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#elif defined _MSC_VER && defined CAROTENE_NEON
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__prefetch(reinterpret_cast<const char*>(ptr) + offset);
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#else
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(void)ptr;
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(void)offset;
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#endif
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}
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template <typename T>
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inline T *getRowPtr(T *base, ptrdiff_t stride, size_t row)
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{
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char *baseRaw = const_cast<char *>(reinterpret_cast<const char *>(base));
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return reinterpret_cast<T *>(baseRaw + ptrdiff_t(row) * stride);
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}
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void assertSupportedConfiguration(bool parametersSupported = true);
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ptrdiff_t borderInterpolate(ptrdiff_t _p, size_t _len, BORDER_MODE borderType, size_t startMargin = 0, size_t endMargin = 0);
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/*!
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* Aligns pointer by the certain number of bytes
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*
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* This small inline function aligns the pointer by the certain number of bytes by shifting
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* it forward by 0 or a positive offset.
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*/
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template<typename T> inline T* alignPtr(T* ptr, size_t n=sizeof(T))
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{
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return (T*)(((size_t)ptr + n-1) & -n);
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}
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}}
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#endif
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