/*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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//! @addtogroup core_hal_intrin
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//! @{
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//! @cond IGNORED
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template<typename _Tp> struct V_TypeTraits
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{
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typedef _Tp int_type;
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typedef _Tp uint_type;
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typedef _Tp abs_type;
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typedef _Tp sum_type;
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enum { delta = 0, shift = 0 };
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static int_type reinterpret_int(_Tp x) { return x; }
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static uint_type reinterpet_uint(_Tp x) { return x; }
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static _Tp reinterpret_from_int(int_type x) { return (_Tp)x; }
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};
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template<> struct V_TypeTraits<uchar>
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{
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typedef uchar value_type;
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typedef schar int_type;
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typedef uchar uint_type;
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typedef uchar abs_type;
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typedef int sum_type;
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typedef ushort w_type;
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typedef unsigned q_type;
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enum { delta = 128, shift = 8 };
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static int_type reinterpret_int(value_type x) { return (int_type)x; }
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static uint_type reinterpret_uint(value_type x) { return (uint_type)x; }
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static value_type reinterpret_from_int(int_type x) { return (value_type)x; }
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};
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template<> struct V_TypeTraits<schar>
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{
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typedef schar value_type;
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typedef schar int_type;
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typedef uchar uint_type;
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typedef uchar abs_type;
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typedef int sum_type;
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typedef short w_type;
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typedef int q_type;
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enum { delta = 128, shift = 8 };
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static int_type reinterpret_int(value_type x) { return (int_type)x; }
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static uint_type reinterpret_uint(value_type x) { return (uint_type)x; }
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static value_type reinterpret_from_int(int_type x) { return (value_type)x; }
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};
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template<> struct V_TypeTraits<ushort>
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{
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typedef ushort value_type;
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typedef short int_type;
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typedef ushort uint_type;
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typedef ushort abs_type;
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typedef int sum_type;
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typedef unsigned w_type;
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typedef uchar nu_type;
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enum { delta = 32768, shift = 16 };
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static int_type reinterpret_int(value_type x) { return (int_type)x; }
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static uint_type reinterpret_uint(value_type x) { return (uint_type)x; }
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static value_type reinterpret_from_int(int_type x) { return (value_type)x; }
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};
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template<> struct V_TypeTraits<short>
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{
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typedef short value_type;
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typedef short int_type;
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typedef ushort uint_type;
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typedef ushort abs_type;
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typedef int sum_type;
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typedef int w_type;
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typedef uchar nu_type;
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typedef schar n_type;
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enum { delta = 128, shift = 8 };
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static int_type reinterpret_int(value_type x) { return (int_type)x; }
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static uint_type reinterpret_uint(value_type x) { return (uint_type)x; }
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static value_type reinterpret_from_int(int_type x) { return (value_type)x; }
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};
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template<> struct V_TypeTraits<unsigned>
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{
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typedef unsigned value_type;
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typedef int int_type;
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typedef unsigned uint_type;
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typedef unsigned abs_type;
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typedef unsigned sum_type;
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typedef uint64 w_type;
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typedef ushort nu_type;
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static int_type reinterpret_int(value_type x) { return (int_type)x; }
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static uint_type reinterpret_uint(value_type x) { return (uint_type)x; }
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static value_type reinterpret_from_int(int_type x) { return (value_type)x; }
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};
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template<> struct V_TypeTraits<int>
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{
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typedef int value_type;
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typedef int int_type;
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typedef unsigned uint_type;
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typedef unsigned abs_type;
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typedef int sum_type;
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typedef int64 w_type;
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typedef short n_type;
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typedef ushort nu_type;
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static int_type reinterpret_int(value_type x) { return (int_type)x; }
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static uint_type reinterpret_uint(value_type x) { return (uint_type)x; }
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static value_type reinterpret_from_int(int_type x) { return (value_type)x; }
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};
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template<> struct V_TypeTraits<uint64>
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{
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typedef uint64 value_type;
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typedef int64 int_type;
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typedef uint64 uint_type;
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typedef uint64 abs_type;
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typedef uint64 sum_type;
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typedef unsigned nu_type;
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static int_type reinterpret_int(value_type x) { return (int_type)x; }
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static uint_type reinterpret_uint(value_type x) { return (uint_type)x; }
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static value_type reinterpret_from_int(int_type x) { return (value_type)x; }
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};
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template<> struct V_TypeTraits<int64>
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{
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typedef int64 value_type;
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typedef int64 int_type;
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typedef uint64 uint_type;
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typedef uint64 abs_type;
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typedef int64 sum_type;
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typedef int nu_type;
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static int_type reinterpret_int(value_type x) { return (int_type)x; }
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static uint_type reinterpret_uint(value_type x) { return (uint_type)x; }
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static value_type reinterpret_from_int(int_type x) { return (value_type)x; }
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};
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template<> struct V_TypeTraits<float>
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{
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typedef float value_type;
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typedef int int_type;
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typedef unsigned uint_type;
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typedef float abs_type;
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typedef float sum_type;
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typedef double w_type;
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static int_type reinterpret_int(value_type x)
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{
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Cv32suf u;
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u.f = x;
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return u.i;
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}
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static uint_type reinterpet_uint(value_type x)
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{
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Cv32suf u;
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u.f = x;
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return u.u;
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}
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static value_type reinterpret_from_int(int_type x)
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{
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Cv32suf u;
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u.i = x;
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return u.f;
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}
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};
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template<> struct V_TypeTraits<double>
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{
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typedef double value_type;
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typedef int64 int_type;
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typedef uint64 uint_type;
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typedef double abs_type;
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typedef double sum_type;
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static int_type reinterpret_int(value_type x)
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{
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Cv64suf u;
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u.f = x;
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return u.i;
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}
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static uint_type reinterpet_uint(value_type x)
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{
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Cv64suf u;
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u.f = x;
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return u.u;
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}
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static value_type reinterpret_from_int(int_type x)
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{
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Cv64suf u;
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u.i = x;
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return u.f;
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}
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};
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template <typename T> struct V_SIMD128Traits
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{
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enum { nlanes = 16 / sizeof(T) };
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};
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//! @endcond
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//! @}
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}
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#ifdef CV_DOXYGEN
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# undef CV_SSE2
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# undef CV_NEON
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#endif
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#if CV_SSE2
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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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#else
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#include "opencv2/core/hal/intrin_cpp.hpp"
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#endif
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//! @addtogroup core_hal_intrin
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//! @{
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#ifndef CV_SIMD128
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//! Set to 1 if current compiler supports vector extensions (NEON or SSE is enabled)
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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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//! Set to 1 if current intrinsics implementation supports 64-bit float vectors
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#define CV_SIMD128_64F 0
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#endif
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//! @}
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#endif
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