/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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//
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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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//
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// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
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// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
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// Copyright (C) 2013, OpenCV Foundation, all rights reserved.
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// Copyright (C) 2015, Itseez Inc., 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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// * Redistribution's 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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// * Redistribution's 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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// * The name of the copyright holders may not be used to endorse or promote products
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// derived from this software 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 the Intel Corporation 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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//M*/
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#ifndef OPENCV_HAL_INTRIN_HPP
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#define OPENCV_HAL_INTRIN_HPP
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#include <cmath>
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#include <float.h>
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#include <stdlib.h>
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#include "opencv2/core/cvdef.h"
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#define OPENCV_HAL_ADD(a, b) ((a) + (b))
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#define OPENCV_HAL_AND(a, b) ((a) & (b))
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#define OPENCV_HAL_NOP(a) (a)
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#define OPENCV_HAL_1ST(a, b) (a)
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// unlike HAL API, which is in cv::hal,
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// we put intrinsics into cv namespace to make its
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// access from within opencv code more accessible
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namespace cv {
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namespace hal {
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enum StoreMode
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{
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STORE_UNALIGNED = 0,
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STORE_ALIGNED = 1,
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STORE_ALIGNED_NOCACHE = 2
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};
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}
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template<typename _Tp> struct V_TypeTraits
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{
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};
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#define CV_INTRIN_DEF_TYPE_TRAITS(type, int_type_, uint_type_, abs_type_, w_type_, q_type_, sum_type_, nlanes128_) \
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template<> struct V_TypeTraits<type> \
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{ \
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typedef type value_type; \
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typedef int_type_ int_type; \
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typedef abs_type_ abs_type; \
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typedef uint_type_ uint_type; \
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typedef w_type_ w_type; \
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typedef q_type_ q_type; \
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typedef sum_type_ sum_type; \
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enum { nlanes128 = nlanes128_ }; \
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\
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static inline int_type reinterpret_int(type x) \
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{ \
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union { type l; int_type i; } v; \
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v.l = x; \
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return v.i; \
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} \
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\
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static inline type reinterpret_from_int(int_type x) \
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{ \
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union { type l; int_type i; } v; \
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v.i = x; \
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return v.l; \
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} \
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}
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CV_INTRIN_DEF_TYPE_TRAITS(uchar, schar, uchar, uchar, ushort, unsigned, unsigned, 16);
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CV_INTRIN_DEF_TYPE_TRAITS(schar, schar, uchar, uchar, short, int, int, 16);
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CV_INTRIN_DEF_TYPE_TRAITS(ushort, short, ushort, ushort, unsigned, uint64, unsigned, 8);
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CV_INTRIN_DEF_TYPE_TRAITS(short, short, ushort, ushort, int, int64, int, 8);
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CV_INTRIN_DEF_TYPE_TRAITS(unsigned, int, unsigned, unsigned, uint64, void, unsigned, 4);
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CV_INTRIN_DEF_TYPE_TRAITS(int, int, unsigned, unsigned, int64, void, int, 4);
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CV_INTRIN_DEF_TYPE_TRAITS(float, int, unsigned, float, double, void, float, 4);
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CV_INTRIN_DEF_TYPE_TRAITS(uint64, int64, uint64, uint64, void, void, uint64, 2);
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CV_INTRIN_DEF_TYPE_TRAITS(int64, int64, uint64, uint64, void, void, int64, 2);
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CV_INTRIN_DEF_TYPE_TRAITS(double, int64, uint64, double, void, void, double, 2);
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#ifndef CV_DOXYGEN
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#ifdef CV_CPU_DISPATCH_MODE
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#define CV_CPU_OPTIMIZATION_HAL_NAMESPACE __CV_CAT(hal_, CV_CPU_DISPATCH_MODE)
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#define CV_CPU_OPTIMIZATION_HAL_NAMESPACE_BEGIN namespace __CV_CAT(hal_, CV_CPU_DISPATCH_MODE) {
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#define CV_CPU_OPTIMIZATION_HAL_NAMESPACE_END }
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#else
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#define CV_CPU_OPTIMIZATION_HAL_NAMESPACE hal_baseline
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#define CV_CPU_OPTIMIZATION_HAL_NAMESPACE_BEGIN namespace hal_baseline {
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#define CV_CPU_OPTIMIZATION_HAL_NAMESPACE_END }
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#endif
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CV_CPU_OPTIMIZATION_HAL_NAMESPACE_BEGIN
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CV_CPU_OPTIMIZATION_HAL_NAMESPACE_END
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using namespace CV_CPU_OPTIMIZATION_HAL_NAMESPACE;
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#endif
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}
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#ifdef CV_DOXYGEN
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# undef CV_AVX2
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# undef CV_SSE2
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# undef CV_NEON
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# undef CV_VSX
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# undef CV_FP16
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#endif
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#if CV_SSE2 || CV_NEON || CV_VSX
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#define CV__SIMD_FORWARD 128
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#include "opencv2/core/hal/intrin_forward.hpp"
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#endif
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#if CV_SSE2
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#include "opencv2/core/hal/intrin_sse_em.hpp"
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#include "opencv2/core/hal/intrin_sse.hpp"
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#elif CV_NEON
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#include "opencv2/core/hal/intrin_neon.hpp"
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#elif CV_VSX
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#include "opencv2/core/hal/intrin_vsx.hpp"
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#else
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#define CV_SIMD128_CPP 1
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#include "opencv2/core/hal/intrin_cpp.hpp"
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#endif
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// AVX2 can be used together with SSE2, so
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// we define those two sets of intrinsics at once.
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// Most of the intrinsics do not conflict (the proper overloaded variant is
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// resolved by the argument types, e.g. v_float32x4 ~ SSE2, v_float32x8 ~ AVX2),
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// but some of AVX2 intrinsics get v256_ prefix instead of v_, e.g. v256_load() vs v_load().
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// Correspondingly, the wide intrinsics (which are mapped to the "widest"
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// available instruction set) will get vx_ prefix
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// (and will be mapped to v256_ counterparts) (e.g. vx_load() => v256_load())
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#if CV_AVX2
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#define CV__SIMD_FORWARD 256
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#include "opencv2/core/hal/intrin_forward.hpp"
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#include "opencv2/core/hal/intrin_avx.hpp"
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#endif
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//! @cond IGNORED
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namespace cv {
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#ifndef CV_DOXYGEN
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CV_CPU_OPTIMIZATION_HAL_NAMESPACE_BEGIN
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#endif
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#ifndef CV_SIMD128
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#define CV_SIMD128 0
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#endif
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#ifndef CV_SIMD128_64F
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#define CV_SIMD128_64F 0
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#endif
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#ifndef CV_SIMD256
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#define CV_SIMD256 0
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#endif
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#ifndef CV_SIMD256_64F
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#define CV_SIMD256_64F 0
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#endif
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#ifndef CV_SIMD512
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#define CV_SIMD512 0
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#endif
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#ifndef CV_SIMD512_64F
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#define CV_SIMD512_64F 0
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#endif
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#ifndef CV_SIMD128_FP16
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#define CV_SIMD128_FP16 0
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#endif
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#ifndef CV_SIMD256_FP16
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#define CV_SIMD256_FP16 0
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#endif
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#ifndef CV_SIMD512_FP16
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#define CV_SIMD512_FP16 0
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#endif
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//==================================================================================================
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#define CV_INTRIN_DEFINE_WIDE_INTRIN(typ, vtyp, short_typ, prefix, loadsfx) \
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inline vtyp vx_setall_##short_typ(typ v) { return prefix##_setall_##short_typ(v); } \
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inline vtyp vx_setzero_##short_typ() { return prefix##_setzero_##short_typ(); } \
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inline vtyp vx_##loadsfx(const typ* ptr) { return prefix##_##loadsfx(ptr); } \
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inline vtyp vx_##loadsfx##_aligned(const typ* ptr) { return prefix##_##loadsfx##_aligned(ptr); } \
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inline vtyp vx_##loadsfx##_low(const typ* ptr) { return prefix##_##loadsfx##_low(ptr); } \
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inline vtyp vx_##loadsfx##_halves(const typ* ptr0, const typ* ptr1) { return prefix##_##loadsfx##_halves(ptr0, ptr1); } \
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inline void vx_store(typ* ptr, const vtyp& v) { return v_store(ptr, v); } \
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inline void vx_store_aligned(typ* ptr, const vtyp& v) { return v_store_aligned(ptr, v); }
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#define CV_INTRIN_DEFINE_WIDE_LOAD_EXPAND(typ, wtyp, prefix) \
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inline wtyp vx_load_expand(const typ* ptr) { return prefix##_load_expand(ptr); }
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#define CV_INTRIN_DEFINE_WIDE_LOAD_EXPAND_Q(typ, qtyp, prefix) \
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inline qtyp vx_load_expand_q(const typ* ptr) { return prefix##_load_expand_q(ptr); }
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#define CV_INTRIN_DEFINE_WIDE_INTRIN_WITH_EXPAND(typ, vtyp, short_typ, wtyp, qtyp, prefix, loadsfx) \
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CV_INTRIN_DEFINE_WIDE_INTRIN(typ, vtyp, short_typ, prefix, loadsfx) \
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CV_INTRIN_DEFINE_WIDE_LOAD_EXPAND(typ, wtyp, prefix) \
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CV_INTRIN_DEFINE_WIDE_LOAD_EXPAND_Q(typ, qtyp, prefix)
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#define CV_INTRIN_DEFINE_WIDE_INTRIN_ALL_TYPES(prefix) \
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CV_INTRIN_DEFINE_WIDE_INTRIN_WITH_EXPAND(uchar, v_uint8, u8, v_uint16, v_uint32, prefix, load) \
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CV_INTRIN_DEFINE_WIDE_INTRIN_WITH_EXPAND(schar, v_int8, s8, v_int16, v_int32, prefix, load) \
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CV_INTRIN_DEFINE_WIDE_INTRIN(ushort, v_uint16, u16, prefix, load) \
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CV_INTRIN_DEFINE_WIDE_LOAD_EXPAND(ushort, v_uint32, prefix) \
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CV_INTRIN_DEFINE_WIDE_INTRIN(short, v_int16, s16, prefix, load) \
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CV_INTRIN_DEFINE_WIDE_LOAD_EXPAND(short, v_int32, prefix) \
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CV_INTRIN_DEFINE_WIDE_INTRIN(int, v_int32, s32, prefix, load) \
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CV_INTRIN_DEFINE_WIDE_LOAD_EXPAND(int, v_int64, prefix) \
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CV_INTRIN_DEFINE_WIDE_INTRIN(unsigned, v_uint32, u32, prefix, load) \
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CV_INTRIN_DEFINE_WIDE_LOAD_EXPAND(unsigned, v_uint64, prefix) \
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CV_INTRIN_DEFINE_WIDE_INTRIN(float, v_float32, f32, prefix, load) \
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CV_INTRIN_DEFINE_WIDE_INTRIN(int64, v_int64, s64, prefix, load) \
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CV_INTRIN_DEFINE_WIDE_INTRIN(uint64, v_uint64, u64, prefix, load) \
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CV_INTRIN_DEFINE_WIDE_LOAD_EXPAND(float16_t, v_float32, prefix)
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template<typename _Tp> struct V_RegTraits
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{
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};
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#define CV_DEF_REG_TRAITS(prefix, _reg, lane_type, suffix, _u_reg, _w_reg, _q_reg, _int_reg, _round_reg) \
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template<> struct V_RegTraits<_reg> \
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{ \
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typedef _reg reg; \
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typedef _u_reg u_reg; \
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typedef _w_reg w_reg; \
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typedef _q_reg q_reg; \
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typedef _int_reg int_reg; \
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typedef _round_reg round_reg; \
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}
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#if CV_SIMD128 || CV_SIMD128_CPP
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CV_DEF_REG_TRAITS(v, v_uint8x16, uchar, u8, v_uint8x16, v_uint16x8, v_uint32x4, v_int8x16, void);
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CV_DEF_REG_TRAITS(v, v_int8x16, schar, s8, v_uint8x16, v_int16x8, v_int32x4, v_int8x16, void);
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CV_DEF_REG_TRAITS(v, v_uint16x8, ushort, u16, v_uint16x8, v_uint32x4, v_uint64x2, v_int16x8, void);
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CV_DEF_REG_TRAITS(v, v_int16x8, short, s16, v_uint16x8, v_int32x4, v_int64x2, v_int16x8, void);
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CV_DEF_REG_TRAITS(v, v_uint32x4, unsigned, u32, v_uint32x4, v_uint64x2, void, v_int32x4, void);
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CV_DEF_REG_TRAITS(v, v_int32x4, int, s32, v_uint32x4, v_int64x2, void, v_int32x4, void);
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#if CV_SIMD128_64F
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CV_DEF_REG_TRAITS(v, v_float32x4, float, f32, v_float32x4, v_float64x2, void, v_int32x4, v_int32x4);
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#else
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CV_DEF_REG_TRAITS(v, v_float32x4, float, f32, v_float32x4, void, void, v_int32x4, v_int32x4);
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#endif
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CV_DEF_REG_TRAITS(v, v_uint64x2, uint64, u64, v_uint64x2, void, void, v_int64x2, void);
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CV_DEF_REG_TRAITS(v, v_int64x2, int64, s64, v_uint64x2, void, void, v_int64x2, void);
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#if CV_SIMD128_64F
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CV_DEF_REG_TRAITS(v, v_float64x2, double, f64, v_float64x2, void, void, v_int64x2, v_int32x4);
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#endif
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#endif
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#if CV_SIMD256
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CV_DEF_REG_TRAITS(v256, v_uint8x32, uchar, u8, v_uint8x32, v_uint16x16, v_uint32x8, v_int8x32, void);
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CV_DEF_REG_TRAITS(v256, v_int8x32, schar, s8, v_uint8x32, v_int16x16, v_int32x8, v_int8x32, void);
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CV_DEF_REG_TRAITS(v256, v_uint16x16, ushort, u16, v_uint16x16, v_uint32x8, v_uint64x4, v_int16x16, void);
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CV_DEF_REG_TRAITS(v256, v_int16x16, short, s16, v_uint16x16, v_int32x8, v_int64x4, v_int16x16, void);
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CV_DEF_REG_TRAITS(v256, v_uint32x8, unsigned, u32, v_uint32x8, v_uint64x4, void, v_int32x8, void);
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CV_DEF_REG_TRAITS(v256, v_int32x8, int, s32, v_uint32x8, v_int64x4, void, v_int32x8, void);
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CV_DEF_REG_TRAITS(v256, v_float32x8, float, f32, v_float32x8, v_float64x4, void, v_int32x8, v_int32x8);
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CV_DEF_REG_TRAITS(v256, v_uint64x4, uint64, u64, v_uint64x4, void, void, v_int64x4, void);
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CV_DEF_REG_TRAITS(v256, v_int64x4, int64, s64, v_uint64x4, void, void, v_int64x4, void);
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CV_DEF_REG_TRAITS(v256, v_float64x4, double, f64, v_float64x4, void, void, v_int64x4, v_int32x8);
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#endif
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#if CV_SIMD512 && (!defined(CV__SIMD_FORCE_WIDTH) || CV__SIMD_FORCE_WIDTH == 512)
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#define CV__SIMD_NAMESPACE simd512
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namespace CV__SIMD_NAMESPACE {
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#define CV_SIMD 1
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#define CV_SIMD_64F CV_SIMD512_64F
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#define CV_SIMD_WIDTH 64
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// TODO typedef v_uint8 / v_int32 / etc types here
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} // namespace
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using namespace CV__SIMD_NAMESPACE;
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#elif CV_SIMD256 && (!defined(CV__SIMD_FORCE_WIDTH) || CV__SIMD_FORCE_WIDTH == 256)
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#define CV__SIMD_NAMESPACE simd256
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namespace CV__SIMD_NAMESPACE {
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#define CV_SIMD 1
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#define CV_SIMD_64F CV_SIMD256_64F
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#define CV_SIMD_FP16 CV_SIMD256_FP16
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#define CV_SIMD_WIDTH 32
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typedef v_uint8x32 v_uint8;
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typedef v_int8x32 v_int8;
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typedef v_uint16x16 v_uint16;
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typedef v_int16x16 v_int16;
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typedef v_uint32x8 v_uint32;
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typedef v_int32x8 v_int32;
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typedef v_uint64x4 v_uint64;
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typedef v_int64x4 v_int64;
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typedef v_float32x8 v_float32;
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#if CV_SIMD256_64F
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typedef v_float64x4 v_float64;
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#endif
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CV_INTRIN_DEFINE_WIDE_INTRIN_ALL_TYPES(v256)
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CV_INTRIN_DEFINE_WIDE_INTRIN(double, v_float64, f64, v256, load)
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inline void vx_cleanup() { v256_cleanup(); }
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} // namespace
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using namespace CV__SIMD_NAMESPACE;
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#elif (CV_SIMD128 || CV_SIMD128_CPP) && (!defined(CV__SIMD_FORCE_WIDTH) || CV__SIMD_FORCE_WIDTH == 128)
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#define CV__SIMD_NAMESPACE simd128
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namespace CV__SIMD_NAMESPACE {
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#define CV_SIMD CV_SIMD128
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#define CV_SIMD_64F CV_SIMD128_64F
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#define CV_SIMD_WIDTH 16
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typedef v_uint8x16 v_uint8;
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typedef v_int8x16 v_int8;
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typedef v_uint16x8 v_uint16;
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typedef v_int16x8 v_int16;
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typedef v_uint32x4 v_uint32;
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typedef v_int32x4 v_int32;
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typedef v_uint64x2 v_uint64;
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typedef v_int64x2 v_int64;
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typedef v_float32x4 v_float32;
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#if CV_SIMD128_64F
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typedef v_float64x2 v_float64;
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#endif
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CV_INTRIN_DEFINE_WIDE_INTRIN_ALL_TYPES(v)
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#if CV_SIMD128_64F
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CV_INTRIN_DEFINE_WIDE_INTRIN(double, v_float64, f64, v, load)
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#endif
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inline void vx_cleanup() { v_cleanup(); }
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} // namespace
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using namespace CV__SIMD_NAMESPACE;
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#endif
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inline unsigned int trailingZeros32(unsigned int value) {
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#if defined(_MSC_VER)
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#if (_MSC_VER < 1700) || defined(_M_ARM)
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unsigned long index = 0;
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_BitScanForward(&index, value);
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return (unsigned int)index;
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#elif defined(__clang__)
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// clang-cl doesn't export _tzcnt_u32 for non BMI systems
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return value ? __builtin_ctz(value) : 32;
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#else
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return _tzcnt_u32(value);
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#endif
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#elif defined(__GNUC__) || defined(__GNUG__)
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return __builtin_ctz(value);
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#elif defined(__ICC) || defined(__INTEL_COMPILER)
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return _bit_scan_forward(value);
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#elif defined(__clang__)
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return llvm.cttz.i32(value, true);
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#else
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static const int MultiplyDeBruijnBitPosition[32] = {
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0, 1, 28, 2, 29, 14, 24, 3, 30, 22, 20, 15, 25, 17, 4, 8,
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31, 27, 13, 23, 21, 19, 16, 7, 26, 12, 18, 6, 11, 5, 10, 9 };
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return MultiplyDeBruijnBitPosition[((uint32_t)((value & -value) * 0x077CB531U)) >> 27];
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#endif
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}
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#ifndef CV_DOXYGEN
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CV_CPU_OPTIMIZATION_HAL_NAMESPACE_END
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#endif
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#ifndef CV_SIMD_64F
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#define CV_SIMD_64F 0
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#endif
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#ifndef CV_SIMD_FP16
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#define CV_SIMD_FP16 0 //!< Defined to 1 on native support of operations with float16x8_t / float16x16_t (SIMD256) types
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#endif
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#ifndef CV_SIMD
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#define CV_SIMD 0
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#endif
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} // cv::
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//! @endcond
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#endif
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