/*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) 2014, 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_CORE_BASE_HPP
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#define OPENCV_CORE_BASE_HPP
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#ifndef __cplusplus
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# error base.hpp header must be compiled as C++
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#endif
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#include "opencv2/opencv_modules.hpp"
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#include <climits>
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#include <algorithm>
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#include "opencv2/core/cvdef.h"
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#include "opencv2/core/cvstd.hpp"
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namespace cv
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{
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//! @addtogroup core_utils
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//! @{
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namespace Error {
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//! error codes
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enum Code {
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StsOk= 0, //!< everything is ok
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StsBackTrace= -1, //!< pseudo error for back trace
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StsError= -2, //!< unknown /unspecified error
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StsInternal= -3, //!< internal error (bad state)
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StsNoMem= -4, //!< insufficient memory
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StsBadArg= -5, //!< function arg/param is bad
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StsBadFunc= -6, //!< unsupported function
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StsNoConv= -7, //!< iteration didn't converge
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StsAutoTrace= -8, //!< tracing
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HeaderIsNull= -9, //!< image header is NULL
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BadImageSize= -10, //!< image size is invalid
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BadOffset= -11, //!< offset is invalid
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BadDataPtr= -12, //!<
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BadStep= -13, //!< image step is wrong, this may happen for a non-continuous matrix.
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BadModelOrChSeq= -14, //!<
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BadNumChannels= -15, //!< bad number of channels, for example, some functions accept only single channel matrices.
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BadNumChannel1U= -16, //!<
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BadDepth= -17, //!< input image depth is not supported by the function
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BadAlphaChannel= -18, //!<
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BadOrder= -19, //!< number of dimensions is out of range
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BadOrigin= -20, //!< incorrect input origin
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BadAlign= -21, //!< incorrect input align
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BadCallBack= -22, //!<
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BadTileSize= -23, //!<
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BadCOI= -24, //!< input COI is not supported
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BadROISize= -25, //!< incorrect input roi
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MaskIsTiled= -26, //!<
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StsNullPtr= -27, //!< null pointer
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StsVecLengthErr= -28, //!< incorrect vector length
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StsFilterStructContentErr= -29, //!< incorrect filter structure content
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StsKernelStructContentErr= -30, //!< incorrect transform kernel content
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StsFilterOffsetErr= -31, //!< incorrect filter offset value
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StsBadSize= -201, //!< the input/output structure size is incorrect
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StsDivByZero= -202, //!< division by zero
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StsInplaceNotSupported= -203, //!< in-place operation is not supported
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StsObjectNotFound= -204, //!< request can't be completed
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StsUnmatchedFormats= -205, //!< formats of input/output arrays differ
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StsBadFlag= -206, //!< flag is wrong or not supported
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StsBadPoint= -207, //!< bad CvPoint
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StsBadMask= -208, //!< bad format of mask (neither 8uC1 nor 8sC1)
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StsUnmatchedSizes= -209, //!< sizes of input/output structures do not match
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StsUnsupportedFormat= -210, //!< the data format/type is not supported by the function
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StsOutOfRange= -211, //!< some of parameters are out of range
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StsParseError= -212, //!< invalid syntax/structure of the parsed file
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StsNotImplemented= -213, //!< the requested function/feature is not implemented
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StsBadMemBlock= -214, //!< an allocated block has been corrupted
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StsAssert= -215, //!< assertion failed
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GpuNotSupported= -216, //!< no CUDA support
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GpuApiCallError= -217, //!< GPU API call error
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OpenGlNotSupported= -218, //!< no OpenGL support
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OpenGlApiCallError= -219, //!< OpenGL API call error
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OpenCLApiCallError= -220, //!< OpenCL API call error
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OpenCLDoubleNotSupported= -221,
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OpenCLInitError= -222, //!< OpenCL initialization error
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OpenCLNoAMDBlasFft= -223
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};
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} //Error
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//! @} core_utils
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//! @addtogroup core_array
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//! @{
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//! matrix decomposition types
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enum DecompTypes {
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/** Gaussian elimination with the optimal pivot element chosen. */
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DECOMP_LU = 0,
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/** singular value decomposition (SVD) method; the system can be over-defined and/or the matrix
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src1 can be singular */
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DECOMP_SVD = 1,
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/** eigenvalue decomposition; the matrix src1 must be symmetrical */
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DECOMP_EIG = 2,
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/** Cholesky \f$LL^T\f$ factorization; the matrix src1 must be symmetrical and positively
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defined */
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DECOMP_CHOLESKY = 3,
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/** QR factorization; the system can be over-defined and/or the matrix src1 can be singular */
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DECOMP_QR = 4,
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/** while all the previous flags are mutually exclusive, this flag can be used together with
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any of the previous; it means that the normal equations
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\f$\texttt{src1}^T\cdot\texttt{src1}\cdot\texttt{dst}=\texttt{src1}^T\texttt{src2}\f$ are
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solved instead of the original system
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\f$\texttt{src1}\cdot\texttt{dst}=\texttt{src2}\f$ */
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DECOMP_NORMAL = 16
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};
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/** norm types
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src1 and src2 denote input arrays.
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*/
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enum NormTypes {
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/**
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\f[
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norm = \forkthree
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{\|\texttt{src1}\|_{L_{\infty}} = \max _I | \texttt{src1} (I)|}{if \(\texttt{normType} = \texttt{NORM_INF}\) }
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{\|\texttt{src1}-\texttt{src2}\|_{L_{\infty}} = \max _I | \texttt{src1} (I) - \texttt{src2} (I)|}{if \(\texttt{normType} = \texttt{NORM_INF}\) }
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{\frac{\|\texttt{src1}-\texttt{src2}\|_{L_{\infty}} }{\|\texttt{src2}\|_{L_{\infty}} }}{if \(\texttt{normType} = \texttt{NORM_RELATIVE | NORM_INF}\) }
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\f]
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*/
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NORM_INF = 1,
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/**
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\f[
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norm = \forkthree
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{\| \texttt{src1} \| _{L_1} = \sum _I | \texttt{src1} (I)|}{if \(\texttt{normType} = \texttt{NORM_L1}\)}
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{ \| \texttt{src1} - \texttt{src2} \| _{L_1} = \sum _I | \texttt{src1} (I) - \texttt{src2} (I)|}{if \(\texttt{normType} = \texttt{NORM_L1}\) }
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{ \frac{\|\texttt{src1}-\texttt{src2}\|_{L_1} }{\|\texttt{src2}\|_{L_1}} }{if \(\texttt{normType} = \texttt{NORM_RELATIVE | NORM_L1}\) }
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\f]*/
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NORM_L1 = 2,
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/**
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\f[
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norm = \forkthree
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{ \| \texttt{src1} \| _{L_2} = \sqrt{\sum_I \texttt{src1}(I)^2} }{if \(\texttt{normType} = \texttt{NORM_L2}\) }
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{ \| \texttt{src1} - \texttt{src2} \| _{L_2} = \sqrt{\sum_I (\texttt{src1}(I) - \texttt{src2}(I))^2} }{if \(\texttt{normType} = \texttt{NORM_L2}\) }
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{ \frac{\|\texttt{src1}-\texttt{src2}\|_{L_2} }{\|\texttt{src2}\|_{L_2}} }{if \(\texttt{normType} = \texttt{NORM_RELATIVE | NORM_L2}\) }
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\f]
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*/
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NORM_L2 = 4,
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/**
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\f[
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norm = \forkthree
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{ \| \texttt{src1} \| _{L_2} ^{2} = \sum_I \texttt{src1}(I)^2} {if \(\texttt{normType} = \texttt{NORM_L2SQR}\)}
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{ \| \texttt{src1} - \texttt{src2} \| _{L_2} ^{2} = \sum_I (\texttt{src1}(I) - \texttt{src2}(I))^2 }{if \(\texttt{normType} = \texttt{NORM_L2SQR}\) }
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{ \left(\frac{\|\texttt{src1}-\texttt{src2}\|_{L_2} }{\|\texttt{src2}\|_{L_2}}\right)^2 }{if \(\texttt{normType} = \texttt{NORM_RELATIVE | NORM_L2}\) }
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\f]
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*/
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NORM_L2SQR = 5,
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/**
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In the case of one input array, calculates the Hamming distance of the array from zero,
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In the case of two input arrays, calculates the Hamming distance between the arrays.
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*/
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NORM_HAMMING = 6,
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/**
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Similar to NORM_HAMMING, but in the calculation, each two bits of the input sequence will
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be added and treated as a single bit to be used in the same calculation as NORM_HAMMING.
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*/
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NORM_HAMMING2 = 7,
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NORM_TYPE_MASK = 7, //!< bit-mask which can be used to separate norm type from norm flags
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NORM_RELATIVE = 8, //!< flag
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NORM_MINMAX = 32 //!< flag
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};
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//! comparison types
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enum CmpTypes { CMP_EQ = 0, //!< src1 is equal to src2.
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CMP_GT = 1, //!< src1 is greater than src2.
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CMP_GE = 2, //!< src1 is greater than or equal to src2.
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CMP_LT = 3, //!< src1 is less than src2.
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CMP_LE = 4, //!< src1 is less than or equal to src2.
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CMP_NE = 5 //!< src1 is unequal to src2.
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};
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//! generalized matrix multiplication flags
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enum GemmFlags { GEMM_1_T = 1, //!< transposes src1
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GEMM_2_T = 2, //!< transposes src2
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GEMM_3_T = 4 //!< transposes src3
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};
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enum DftFlags {
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/** performs an inverse 1D or 2D transform instead of the default forward
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transform. */
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DFT_INVERSE = 1,
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/** scales the result: divide it by the number of array elements. Normally, it is
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combined with DFT_INVERSE. */
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DFT_SCALE = 2,
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/** performs a forward or inverse transform of every individual row of the input
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matrix; this flag enables you to transform multiple vectors simultaneously and can be used to
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decrease the overhead (which is sometimes several times larger than the processing itself) to
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perform 3D and higher-dimensional transformations and so forth.*/
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DFT_ROWS = 4,
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/** performs a forward transformation of 1D or 2D real array; the result,
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though being a complex array, has complex-conjugate symmetry (*CCS*, see the function
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description below for details), and such an array can be packed into a real array of the same
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size as input, which is the fastest option and which is what the function does by default;
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however, you may wish to get a full complex array (for simpler spectrum analysis, and so on) -
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pass the flag to enable the function to produce a full-size complex output array. */
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DFT_COMPLEX_OUTPUT = 16,
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/** performs an inverse transformation of a 1D or 2D complex array; the
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result is normally a complex array of the same size, however, if the input array has
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conjugate-complex symmetry (for example, it is a result of forward transformation with
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DFT_COMPLEX_OUTPUT flag), the output is a real array; while the function itself does not
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check whether the input is symmetrical or not, you can pass the flag and then the function
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will assume the symmetry and produce the real output array (note that when the input is packed
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into a real array and inverse transformation is executed, the function treats the input as a
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packed complex-conjugate symmetrical array, and the output will also be a real array). */
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DFT_REAL_OUTPUT = 32,
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/** specifies that input is complex input. If this flag is set, the input must have 2 channels.
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On the other hand, for backwards compatibility reason, if input has 2 channels, input is
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already considered complex. */
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DFT_COMPLEX_INPUT = 64,
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/** performs an inverse 1D or 2D transform instead of the default forward transform. */
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DCT_INVERSE = DFT_INVERSE,
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/** performs a forward or inverse transform of every individual row of the input
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matrix. This flag enables you to transform multiple vectors simultaneously and can be used to
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decrease the overhead (which is sometimes several times larger than the processing itself) to
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perform 3D and higher-dimensional transforms and so forth.*/
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DCT_ROWS = DFT_ROWS
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};
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//! Various border types, image boundaries are denoted with `|`
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//! @see borderInterpolate, copyMakeBorder
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enum BorderTypes {
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BORDER_CONSTANT = 0, //!< `iiiiii|abcdefgh|iiiiiii` with some specified `i`
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BORDER_REPLICATE = 1, //!< `aaaaaa|abcdefgh|hhhhhhh`
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BORDER_REFLECT = 2, //!< `fedcba|abcdefgh|hgfedcb`
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BORDER_WRAP = 3, //!< `cdefgh|abcdefgh|abcdefg`
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BORDER_REFLECT_101 = 4, //!< `gfedcb|abcdefgh|gfedcba`
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BORDER_TRANSPARENT = 5, //!< `uvwxyz|abcdefgh|ijklmno`
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BORDER_REFLECT101 = BORDER_REFLECT_101, //!< same as BORDER_REFLECT_101
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BORDER_DEFAULT = BORDER_REFLECT_101, //!< same as BORDER_REFLECT_101
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BORDER_ISOLATED = 16 //!< do not look outside of ROI
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};
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//! @} core_array
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//! @addtogroup core_utils
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//! @{
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/*! @brief Signals an error and raises the exception.
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By default the function prints information about the error to stderr,
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then it either stops if setBreakOnError() had been called before or raises the exception.
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It is possible to alternate error processing by using redirectError().
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@param _code - error code (Error::Code)
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@param _err - error description
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@param _func - function name. Available only when the compiler supports getting it
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@param _file - source file name where the error has occurred
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@param _line - line number in the source file where the error has occurred
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@see CV_Error, CV_Error_, CV_Assert, CV_DbgAssert
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*/
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CV_EXPORTS void error(int _code, const String& _err, const char* _func, const char* _file, int _line);
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#ifdef __GNUC__
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# if defined __clang__ || defined __APPLE__
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# pragma GCC diagnostic push
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# pragma GCC diagnostic ignored "-Winvalid-noreturn"
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# endif
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#endif
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/** same as cv::error, but does not return */
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CV_INLINE CV_NORETURN void errorNoReturn(int _code, const String& _err, const char* _func, const char* _file, int _line)
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{
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error(_code, _err, _func, _file, _line);
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#ifdef __GNUC__
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# if !defined __clang__ && !defined __APPLE__
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// this suppresses this warning: "noreturn" function does return [enabled by default]
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__builtin_trap();
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// or use infinite loop: for (;;) {}
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# endif
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#endif
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}
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#ifdef __GNUC__
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# if defined __clang__ || defined __APPLE__
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# pragma GCC diagnostic pop
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# endif
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#endif
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#ifdef CV_STATIC_ANALYSIS
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// In practice, some macro are not processed correctly (noreturn is not detected).
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// We need to use simplified definition for them.
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#define CV_Error(...) do { abort(); } while (0)
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#define CV_Error_( code, args ) do { cv::format args; abort(); } while (0)
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#define CV_Assert( expr ) do { if (!(expr)) abort(); } while (0)
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#define CV_ErrorNoReturn CV_Error
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#define CV_ErrorNoReturn_ CV_Error_
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#else // CV_STATIC_ANALYSIS
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/** @brief Call the error handler.
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Currently, the error handler prints the error code and the error message to the standard
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error stream `stderr`. In the Debug configuration, it then provokes memory access violation, so that
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the execution stack and all the parameters can be analyzed by the debugger. In the Release
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configuration, the exception is thrown.
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@param code one of Error::Code
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@param msg error message
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*/
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#define CV_Error( code, msg ) cv::error( code, msg, CV_Func, __FILE__, __LINE__ )
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/** @brief Call the error handler.
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This macro can be used to construct an error message on-fly to include some dynamic information,
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for example:
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@code
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// note the extra parentheses around the formatted text message
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CV_Error_(Error::StsOutOfRange,
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("the value at (%d, %d)=%g is out of range", badPt.x, badPt.y, badValue));
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@endcode
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@param code one of Error::Code
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@param args printf-like formatted error message in parentheses
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*/
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#define CV_Error_( code, args ) cv::error( code, cv::format args, CV_Func, __FILE__, __LINE__ )
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/** @brief Checks a condition at runtime and throws exception if it fails
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The macros CV_Assert (and CV_DbgAssert(expr)) evaluate the specified expression. If it is 0, the macros
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raise an error (see cv::error). The macro CV_Assert checks the condition in both Debug and Release
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configurations while CV_DbgAssert is only retained in the Debug configuration.
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*/
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#define CV_Assert( expr ) do { if(!!(expr)) ; else cv::error( cv::Error::StsAssert, #expr, CV_Func, __FILE__, __LINE__ ); } while(0)
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//! @cond IGNORED
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#define CV__ErrorNoReturn( code, msg ) cv::errorNoReturn( code, msg, CV_Func, __FILE__, __LINE__ )
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#define CV__ErrorNoReturn_( code, args ) cv::errorNoReturn( code, cv::format args, CV_Func, __FILE__, __LINE__ )
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#ifdef __OPENCV_BUILD
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#undef CV_Error
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#define CV_Error CV__ErrorNoReturn
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#undef CV_Error_
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#define CV_Error_ CV__ErrorNoReturn_
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#undef CV_Assert
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#define CV_Assert( expr ) do { if(!!(expr)) ; else cv::errorNoReturn( cv::Error::StsAssert, #expr, CV_Func, __FILE__, __LINE__ ); } while(0)
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#else
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// backward compatibility
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#define CV_ErrorNoReturn CV__ErrorNoReturn
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#define CV_ErrorNoReturn_ CV__ErrorNoReturn_
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#endif
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//! @endcond
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#endif // CV_STATIC_ANALYSIS
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//! @cond IGNORED
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#if defined OPENCV_FORCE_MULTIARG_ASSERT_CHECK && defined CV_STATIC_ANALYSIS
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#warning "OPENCV_FORCE_MULTIARG_ASSERT_CHECK can't be used with CV_STATIC_ANALYSIS"
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#undef OPENCV_FORCE_MULTIARG_ASSERT_CHECK
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#endif
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#ifdef OPENCV_FORCE_MULTIARG_ASSERT_CHECK
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#define CV_Assert_1( expr ) do { if(!!(expr)) ; else cv::error( cv::Error::StsAssert, #expr, CV_Func, __FILE__, __LINE__ ); } while(0)
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#else
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#define CV_Assert_1 CV_Assert
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#endif
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#define CV_Assert_2( expr1, expr2 ) CV_Assert_1(expr1); CV_Assert_1(expr2)
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#define CV_Assert_3( expr1, expr2, expr3 ) CV_Assert_2(expr1, expr2); CV_Assert_1(expr3)
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#define CV_Assert_4( expr1, expr2, expr3, expr4 ) CV_Assert_3(expr1, expr2, expr3); CV_Assert_1(expr4)
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#define CV_Assert_5( expr1, expr2, expr3, expr4, expr5 ) CV_Assert_4(expr1, expr2, expr3, expr4); CV_Assert_1(expr5)
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#define CV_Assert_6( expr1, expr2, expr3, expr4, expr5, expr6 ) CV_Assert_5(expr1, expr2, expr3, expr4, expr5); CV_Assert_1(expr6)
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#define CV_Assert_7( expr1, expr2, expr3, expr4, expr5, expr6, expr7 ) CV_Assert_6(expr1, expr2, expr3, expr4, expr5, expr6 ); CV_Assert_1(expr7)
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#define CV_Assert_8( expr1, expr2, expr3, expr4, expr5, expr6, expr7, expr8 ) CV_Assert_7(expr1, expr2, expr3, expr4, expr5, expr6, expr7 ); CV_Assert_1(expr8)
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#define CV_Assert_9( expr1, expr2, expr3, expr4, expr5, expr6, expr7, expr8, expr9 ) CV_Assert_8(expr1, expr2, expr3, expr4, expr5, expr6, expr7, expr8 ); CV_Assert_1(expr9)
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#define CV_Assert_10( expr1, expr2, expr3, expr4, expr5, expr6, expr7, expr8, expr9, expr10 ) CV_Assert_9(expr1, expr2, expr3, expr4, expr5, expr6, expr7, expr8, expr9 ); CV_Assert_1(expr10)
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#define CV_Assert_N(...) do { __CV_CAT(CV_Assert_, __CV_VA_NUM_ARGS(__VA_ARGS__)) (__VA_ARGS__); } while(0)
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#ifdef OPENCV_FORCE_MULTIARG_ASSERT_CHECK
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#undef CV_Assert
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#define CV_Assert CV_Assert_N
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#endif
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//! @endcond
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#if defined _DEBUG || defined CV_STATIC_ANALYSIS
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# define CV_DbgAssert(expr) CV_Assert(expr)
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#else
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/** replaced with CV_Assert(expr) in Debug configuration */
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# define CV_DbgAssert(expr)
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#endif
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/*
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* Hamming distance functor - counts the bit differences between two strings - useful for the Brief descriptor
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* bit count of A exclusive XOR'ed with B
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*/
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struct CV_EXPORTS Hamming
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{
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enum { normType = NORM_HAMMING };
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typedef unsigned char ValueType;
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typedef int ResultType;
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/** this will count the bits in a ^ b
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*/
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ResultType operator()( const unsigned char* a, const unsigned char* b, int size ) const;
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};
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typedef Hamming HammingLUT;
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/////////////////////////////////// inline norms ////////////////////////////////////
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template<typename _Tp> inline _Tp cv_abs(_Tp x) { return std::abs(x); }
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inline int cv_abs(uchar x) { return x; }
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inline int cv_abs(schar x) { return std::abs(x); }
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inline int cv_abs(ushort x) { return x; }
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inline int cv_abs(short x) { return std::abs(x); }
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template<typename _Tp, typename _AccTp> static inline
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_AccTp normL2Sqr(const _Tp* a, int n)
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{
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_AccTp s = 0;
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int i=0;
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#if CV_ENABLE_UNROLLED
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for( ; i <= n - 4; i += 4 )
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{
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_AccTp v0 = a[i], v1 = a[i+1], v2 = a[i+2], v3 = a[i+3];
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s += v0*v0 + v1*v1 + v2*v2 + v3*v3;
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}
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#endif
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for( ; i < n; i++ )
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{
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_AccTp v = a[i];
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s += v*v;
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}
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return s;
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}
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template<typename _Tp, typename _AccTp> static inline
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_AccTp normL1(const _Tp* a, int n)
|
{
|
_AccTp s = 0;
|
int i = 0;
|
#if CV_ENABLE_UNROLLED
|
for(; i <= n - 4; i += 4 )
|
{
|
s += (_AccTp)cv_abs(a[i]) + (_AccTp)cv_abs(a[i+1]) +
|
(_AccTp)cv_abs(a[i+2]) + (_AccTp)cv_abs(a[i+3]);
|
}
|
#endif
|
for( ; i < n; i++ )
|
s += cv_abs(a[i]);
|
return s;
|
}
|
|
template<typename _Tp, typename _AccTp> static inline
|
_AccTp normInf(const _Tp* a, int n)
|
{
|
_AccTp s = 0;
|
for( int i = 0; i < n; i++ )
|
s = std::max(s, (_AccTp)cv_abs(a[i]));
|
return s;
|
}
|
|
template<typename _Tp, typename _AccTp> static inline
|
_AccTp normL2Sqr(const _Tp* a, const _Tp* b, int n)
|
{
|
_AccTp s = 0;
|
int i= 0;
|
#if CV_ENABLE_UNROLLED
|
for(; i <= n - 4; i += 4 )
|
{
|
_AccTp v0 = _AccTp(a[i] - b[i]), v1 = _AccTp(a[i+1] - b[i+1]), v2 = _AccTp(a[i+2] - b[i+2]), v3 = _AccTp(a[i+3] - b[i+3]);
|
s += v0*v0 + v1*v1 + v2*v2 + v3*v3;
|
}
|
#endif
|
for( ; i < n; i++ )
|
{
|
_AccTp v = _AccTp(a[i] - b[i]);
|
s += v*v;
|
}
|
return s;
|
}
|
|
static inline float normL2Sqr(const float* a, const float* b, int n)
|
{
|
float s = 0.f;
|
for( int i = 0; i < n; i++ )
|
{
|
float v = a[i] - b[i];
|
s += v*v;
|
}
|
return s;
|
}
|
|
template<typename _Tp, typename _AccTp> static inline
|
_AccTp normL1(const _Tp* a, const _Tp* b, int n)
|
{
|
_AccTp s = 0;
|
int i= 0;
|
#if CV_ENABLE_UNROLLED
|
for(; i <= n - 4; i += 4 )
|
{
|
_AccTp v0 = _AccTp(a[i] - b[i]), v1 = _AccTp(a[i+1] - b[i+1]), v2 = _AccTp(a[i+2] - b[i+2]), v3 = _AccTp(a[i+3] - b[i+3]);
|
s += std::abs(v0) + std::abs(v1) + std::abs(v2) + std::abs(v3);
|
}
|
#endif
|
for( ; i < n; i++ )
|
{
|
_AccTp v = _AccTp(a[i] - b[i]);
|
s += std::abs(v);
|
}
|
return s;
|
}
|
|
inline float normL1(const float* a, const float* b, int n)
|
{
|
float s = 0.f;
|
for( int i = 0; i < n; i++ )
|
{
|
s += std::abs(a[i] - b[i]);
|
}
|
return s;
|
}
|
|
inline int normL1(const uchar* a, const uchar* b, int n)
|
{
|
int s = 0;
|
for( int i = 0; i < n; i++ )
|
{
|
s += std::abs(a[i] - b[i]);
|
}
|
return s;
|
}
|
|
template<typename _Tp, typename _AccTp> static inline
|
_AccTp normInf(const _Tp* a, const _Tp* b, int n)
|
{
|
_AccTp s = 0;
|
for( int i = 0; i < n; i++ )
|
{
|
_AccTp v0 = a[i] - b[i];
|
s = std::max(s, std::abs(v0));
|
}
|
return s;
|
}
|
|
/** @brief Computes the cube root of an argument.
|
|
The function cubeRoot computes \f$\sqrt[3]{\texttt{val}}\f$. Negative arguments are handled correctly.
|
NaN and Inf are not handled. The accuracy approaches the maximum possible accuracy for
|
single-precision data.
|
@param val A function argument.
|
*/
|
CV_EXPORTS_W float cubeRoot(float val);
|
|
/** @brief Calculates the angle of a 2D vector in degrees.
|
|
The function fastAtan2 calculates the full-range angle of an input 2D vector. The angle is measured
|
in degrees and varies from 0 to 360 degrees. The accuracy is about 0.3 degrees.
|
@param x x-coordinate of the vector.
|
@param y y-coordinate of the vector.
|
*/
|
CV_EXPORTS_W float fastAtan2(float y, float x);
|
|
/** proxy for hal::LU */
|
CV_EXPORTS int LU(float* A, size_t astep, int m, float* b, size_t bstep, int n);
|
/** proxy for hal::LU */
|
CV_EXPORTS int LU(double* A, size_t astep, int m, double* b, size_t bstep, int n);
|
/** proxy for hal::Cholesky */
|
CV_EXPORTS bool Cholesky(float* A, size_t astep, int m, float* b, size_t bstep, int n);
|
/** proxy for hal::Cholesky */
|
CV_EXPORTS bool Cholesky(double* A, size_t astep, int m, double* b, size_t bstep, int n);
|
|
////////////////// forward declarations for important OpenCV types //////////////////
|
|
//! @cond IGNORED
|
|
template<typename _Tp, int cn> class Vec;
|
template<typename _Tp, int m, int n> class Matx;
|
|
template<typename _Tp> class Complex;
|
template<typename _Tp> class Point_;
|
template<typename _Tp> class Point3_;
|
template<typename _Tp> class Size_;
|
template<typename _Tp> class Rect_;
|
template<typename _Tp> class Scalar_;
|
|
class CV_EXPORTS RotatedRect;
|
class CV_EXPORTS Range;
|
class CV_EXPORTS TermCriteria;
|
class CV_EXPORTS KeyPoint;
|
class CV_EXPORTS DMatch;
|
class CV_EXPORTS RNG;
|
|
class CV_EXPORTS Mat;
|
class CV_EXPORTS MatExpr;
|
|
class CV_EXPORTS UMat;
|
|
class CV_EXPORTS SparseMat;
|
typedef Mat MatND;
|
|
template<typename _Tp> class Mat_;
|
template<typename _Tp> class SparseMat_;
|
|
class CV_EXPORTS MatConstIterator;
|
class CV_EXPORTS SparseMatIterator;
|
class CV_EXPORTS SparseMatConstIterator;
|
template<typename _Tp> class MatIterator_;
|
template<typename _Tp> class MatConstIterator_;
|
template<typename _Tp> class SparseMatIterator_;
|
template<typename _Tp> class SparseMatConstIterator_;
|
|
namespace ogl
|
{
|
class CV_EXPORTS Buffer;
|
class CV_EXPORTS Texture2D;
|
class CV_EXPORTS Arrays;
|
}
|
|
namespace cuda
|
{
|
class CV_EXPORTS GpuMat;
|
class CV_EXPORTS HostMem;
|
class CV_EXPORTS Stream;
|
class CV_EXPORTS Event;
|
}
|
|
namespace cudev
|
{
|
template <typename _Tp> class GpuMat_;
|
}
|
|
namespace ipp
|
{
|
#if OPENCV_ABI_COMPATIBILITY > 300
|
CV_EXPORTS unsigned long long getIppFeatures();
|
#else
|
CV_EXPORTS int getIppFeatures();
|
#endif
|
CV_EXPORTS void setIppStatus(int status, const char * const funcname = NULL, const char * const filename = NULL,
|
int line = 0);
|
CV_EXPORTS int getIppStatus();
|
CV_EXPORTS String getIppErrorLocation();
|
CV_EXPORTS_W bool useIPP();
|
CV_EXPORTS_W void setUseIPP(bool flag);
|
CV_EXPORTS_W String getIppVersion();
|
|
// IPP Not-Exact mode. This function may force use of IPP then both IPP and OpenCV provide proper results
|
// but have internal accuracy differences which have too much direct or indirect impact on accuracy tests.
|
CV_EXPORTS_W bool useIPP_NotExact();
|
CV_EXPORTS_W void setUseIPP_NotExact(bool flag);
|
#if OPENCV_ABI_COMPATIBILITY < 400
|
CV_EXPORTS_W bool useIPP_NE();
|
CV_EXPORTS_W void setUseIPP_NE(bool flag);
|
#endif
|
|
} // ipp
|
|
//! @endcond
|
|
//! @} core_utils
|
|
|
|
|
} // cv
|
|
#include "opencv2/core/neon_utils.hpp"
|
#include "opencv2/core/vsx_utils.hpp"
|
#include "opencv2/core/check.hpp"
|
|
#endif //OPENCV_CORE_BASE_HPP
|
