vendor: OpenCV 5.0.0 snapshot at 755e50675d97db9b7d449d8bd6b09888646f6c6e
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/*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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// 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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#include "opencv2/opencv_modules.hpp"
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#ifndef HAVE_OPENCV_CUDEV
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#error "opencv_cudev is required"
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#else
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#include "opencv2/cudaarithm.hpp"
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#include "opencv2/cudev.hpp"
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#include "opencv2/core/private.cuda.hpp"
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//do not use implicit cv::cuda to avoid clash of tuples from ::cuda::std
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/*using namespace cv;
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using namespace cv::cuda;*/
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using namespace cv::cudev;
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void cv::cuda::magnitude(InputArray _x, InputArray _y, OutputArray _dst, Stream& stream)
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{
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GpuMat x = getInputMat(_x, stream);
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GpuMat y = getInputMat(_y, stream);
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CV_Assert( x.depth() == CV_32F );
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CV_Assert( y.type() == x.type() && y.size() == x.size() );
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GpuMat dst = getOutputMat(_dst, x.size(), CV_32FC1, stream);
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gridTransformBinary(globPtr<float>(x), globPtr<float>(y), globPtr<float>(dst), magnitude_func<float>(), stream);
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syncOutput(dst, _dst, stream);
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}
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void cv::cuda::magnitudeSqr(InputArray _x, InputArray _y, OutputArray _dst, Stream& stream)
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{
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GpuMat x = getInputMat(_x, stream);
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GpuMat y = getInputMat(_y, stream);
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CV_Assert( x.depth() == CV_32F );
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CV_Assert( y.type() == x.type() && y.size() == x.size() );
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GpuMat dst = getOutputMat(_dst, x.size(), CV_32FC1, stream);
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gridTransformBinary(globPtr<float>(x), globPtr<float>(y), globPtr<float>(dst), magnitude_sqr_func<float>(), stream);
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syncOutput(dst, _dst, stream);
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}
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void cv::cuda::phase(InputArray _x, InputArray _y, OutputArray _dst, bool angleInDegrees, Stream& stream)
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{
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GpuMat x = getInputMat(_x, stream);
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GpuMat y = getInputMat(_y, stream);
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CV_Assert( x.depth() == CV_32F );
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CV_Assert( y.type() == x.type() && y.size() == x.size() );
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GpuMat dst = getOutputMat(_dst, x.size(), CV_32FC1, stream);
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if (angleInDegrees)
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gridTransformBinary(globPtr<float>(x), globPtr<float>(y), globPtr<float>(dst), direction_func<float, true>(), stream);
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else
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gridTransformBinary(globPtr<float>(x), globPtr<float>(y), globPtr<float>(dst), direction_func<float, false>(), stream);
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syncOutput(dst, _dst, stream);
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}
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void cv::cuda::phase(InputArray _xy, OutputArray _dst, bool angleInDegrees, Stream& stream)
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{
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GpuMat xy = getInputMat(_xy, stream);
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CV_Assert( xy.type() == CV_32FC2 );
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GpuMat dst = getOutputMat(_dst, xy.size(), CV_32FC1, stream);
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if (angleInDegrees)
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gridTransformUnary(globPtr<float2>(xy), globPtr<float>(dst), direction_interleaved_func<float2, true>(), stream);
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else
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gridTransformUnary(globPtr<float2>(xy), globPtr<float>(dst), direction_interleaved_func<float2, false>(), stream);
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syncOutput(dst, _dst, stream);
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}
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void cv::cuda::cartToPolar(InputArray _x, InputArray _y, OutputArray _mag, OutputArray _angle, bool angleInDegrees, Stream& stream)
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{
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GpuMat x = getInputMat(_x, stream);
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GpuMat y = getInputMat(_y, stream);
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CV_Assert( x.depth() == CV_32F );
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CV_Assert( y.type() == x.type() && y.size() == x.size() );
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GpuMat mag = getOutputMat(_mag, x.size(), CV_32FC1, stream);
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GpuMat angle = getOutputMat(_angle, x.size(), CV_32FC1, stream);
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GpuMat_<float> xc(x);
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GpuMat_<float> yc(y);
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GpuMat_<float> magc(mag);
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GpuMat_<float> anglec(angle);
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if (angleInDegrees)
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gridTransformBinary(xc, yc, magc, anglec, magnitude_func<float>(), direction_func<float, true>(), stream);
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else
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gridTransformBinary(xc, yc, magc, anglec, magnitude_func<float>(), direction_func<float, false>(), stream);
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syncOutput(mag, _mag, stream);
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syncOutput(angle, _angle, stream);
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}
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void cv::cuda::cartToPolar(InputArray _xy, OutputArray _mag, OutputArray _angle, bool angleInDegrees, Stream& stream)
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{
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GpuMat xy = getInputMat(_xy, stream);
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CV_Assert( xy.type() == CV_32FC2 );
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GpuMat mag = getOutputMat(_mag, xy.size(), CV_32FC1, stream);
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GpuMat angle = getOutputMat(_angle, xy.size(), CV_32FC1, stream);
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GpuMat_<float> magc(mag);
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GpuMat_<float> anglec(angle);
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gridTransformUnary(globPtr<float2>(xy), globPtr<float>(magc), magnitude_interleaved_func<float2>(), stream);
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if (angleInDegrees)
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{
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gridTransformUnary(globPtr<float2>(xy), globPtr<float>(anglec), direction_interleaved_func<float2, true>(), stream);
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}
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else
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{
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gridTransformUnary(globPtr<float2>(xy), globPtr<float>(anglec), direction_interleaved_func<float2, false>(), stream);
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}
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syncOutput(mag, _mag, stream);
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syncOutput(angle, _angle, stream);
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}
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void cv::cuda::cartToPolar(InputArray _xy, OutputArray _magAngle, bool angleInDegrees, Stream& stream)
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{
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GpuMat xy = getInputMat(_xy, stream);
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CV_Assert( xy.type() == CV_32FC2 );
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GpuMat magAngle = getOutputMat(_magAngle, xy.size(), CV_32FC2, stream);
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if (angleInDegrees)
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{
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gridTransformUnary(globPtr<float2>(xy),
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globPtr<float2>(magAngle),
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magnitude_direction_interleaved_func<float2, true>(),
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stream);
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}
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else
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{
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gridTransformUnary(globPtr<float2>(xy),
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globPtr<float2>(magAngle),
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magnitude_direction_interleaved_func<float2, false>(),
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stream);
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}
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syncOutput(magAngle, _magAngle, stream);
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}
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namespace
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{
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template <typename T> struct sincos_op
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{
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__device__ __forceinline__ void operator()(T a, T *sptr, T *cptr) const
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{
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::sincos(a, sptr, cptr);
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}
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};
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template <> struct sincos_op<float>
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{
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__device__ __forceinline__ void operator()(float a, float *sptr, float *cptr) const
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{
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::sincosf(a, sptr, cptr);
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}
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};
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template <typename T, bool useMag>
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__global__ void polarToCartImpl_(const PtrStep<T> mag, const PtrStepSz<T> angle, PtrStep<T> xmat, PtrStep<T> ymat, const T scale)
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{
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const int x = blockDim.x * blockIdx.x + threadIdx.x;
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const int y = blockDim.y * blockIdx.y + threadIdx.y;
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if (x >= angle.cols || y >= angle.rows)
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return;
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const T mag_val = useMag ? mag(y, x) : static_cast<T>(1.0);
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const T angle_val = angle(y, x);
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T sin_a, cos_a;
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sincos_op<T> op;
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op(scale * angle_val, &sin_a, &cos_a);
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xmat(y, x) = mag_val * cos_a;
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ymat(y, x) = mag_val * sin_a;
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}
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template <typename T, bool useMag>
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__global__ void polarToCartDstInterleavedImpl_(const PtrStep<T> mag, const PtrStepSz<T> angle, PtrStep<typename MakeVec<T, 2>::type > xymat, const T scale)
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{
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typedef typename MakeVec<T, 2>::type T2;
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const int x = blockDim.x * blockIdx.x + threadIdx.x;
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const int y = blockDim.y * blockIdx.y + threadIdx.y;
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if (x >= angle.cols || y >= angle.rows)
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return;
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const T mag_val = useMag ? mag(y, x) : static_cast<T>(1.0);
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const T angle_val = angle(y, x);
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T sin_a, cos_a;
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sincos_op<T> op;
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op(scale * angle_val, &sin_a, &cos_a);
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const T2 xy = {mag_val * cos_a, mag_val * sin_a};
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xymat(y, x) = xy;
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}
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template <typename T>
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__global__ void polarToCartInterleavedImpl_(const PtrStepSz<typename MakeVec<T, 2>::type > magAngle, PtrStep<typename MakeVec<T, 2>::type > xymat, const T scale)
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{
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typedef typename MakeVec<T, 2>::type T2;
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const int x = blockDim.x * blockIdx.x + threadIdx.x;
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const int y = blockDim.y * blockIdx.y + threadIdx.y;
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if (x >= magAngle.cols || y >= magAngle.rows)
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return;
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const T2 magAngle_val = magAngle(y, x);
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const T mag_val = magAngle_val.x;
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const T angle_val = magAngle_val.y;
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T sin_a, cos_a;
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sincos_op<T> op;
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op(scale * angle_val, &sin_a, &cos_a);
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const T2 xy = {mag_val * cos_a, mag_val * sin_a};
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xymat(y, x) = xy;
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}
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template <typename T>
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void polarToCartImpl(const GpuMat& mag, const GpuMat& angle, GpuMat& x, GpuMat& y, bool angleInDegrees, cudaStream_t& stream)
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{
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const dim3 block(32, 8);
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const dim3 grid(divUp(angle.cols, block.x), divUp(angle.rows, block.y));
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const T scale = angleInDegrees ? static_cast<T>(CV_PI / 180.0) : static_cast<T>(1.0);
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if (mag.empty())
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polarToCartImpl_<T, false> <<<grid, block, 0, stream >>>(mag, angle, x, y, scale);
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else
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polarToCartImpl_<T, true> <<<grid, block, 0, stream >>>(mag, angle, x, y, scale);
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}
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template <typename T>
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void polarToCartDstInterleavedImpl(const GpuMat& mag, const GpuMat& angle, GpuMat& xy, bool angleInDegrees, cudaStream_t& stream)
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{
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typedef typename MakeVec<T, 2>::type T2;
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const dim3 block(32, 8);
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const dim3 grid(divUp(angle.cols, block.x), divUp(angle.rows, block.y));
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const T scale = angleInDegrees ? static_cast<T>(CV_PI / 180.0) : static_cast<T>(1.0);
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if (mag.empty())
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polarToCartDstInterleavedImpl_<T, false> <<<grid, block, 0, stream >>>(mag, angle, xy, scale);
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else
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polarToCartDstInterleavedImpl_<T, true> <<<grid, block, 0, stream >>>(mag, angle, xy, scale);
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}
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template <typename T>
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void polarToCartInterleavedImpl(const GpuMat& magAngle, GpuMat& xy, bool angleInDegrees, cudaStream_t& stream)
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{
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typedef typename MakeVec<T, 2>::type T2;
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const dim3 block(32, 8);
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const dim3 grid(divUp(magAngle.cols, block.x), divUp(magAngle.rows, block.y));
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const T scale = angleInDegrees ? static_cast<T>(CV_PI / 180.0) : static_cast<T>(1.0);
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polarToCartInterleavedImpl_<T> <<<grid, block, 0, stream >>>(magAngle, xy, scale);
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}
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}
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void cv::cuda::polarToCart(InputArray _mag, InputArray _angle, OutputArray _x, OutputArray _y, bool angleInDegrees, Stream& _stream)
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{
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typedef void(*func_t)(const GpuMat& mag, const GpuMat& angle, GpuMat& x, GpuMat& y, bool angleInDegrees, cudaStream_t& stream);
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static const func_t funcs[7] = { 0, 0, 0, 0, 0, polarToCartImpl<float>, polarToCartImpl<double> };
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GpuMat mag = getInputMat(_mag, _stream);
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GpuMat angle = getInputMat(_angle, _stream);
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CV_Assert(angle.depth() == CV_32F || angle.depth() == CV_64F);
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CV_Assert( mag.empty() || (mag.type() == angle.type() && mag.size() == angle.size()) );
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GpuMat x = getOutputMat(_x, angle.size(), CV_MAKETYPE(angle.depth(), 1), _stream);
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GpuMat y = getOutputMat(_y, angle.size(), CV_MAKETYPE(angle.depth(), 1), _stream);
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cudaStream_t stream = StreamAccessor::getStream(_stream);
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funcs[angle.depth()](mag, angle, x, y, angleInDegrees, stream);
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CV_CUDEV_SAFE_CALL( cudaGetLastError() );
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syncOutput(x, _x, _stream);
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syncOutput(y, _y, _stream);
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if (stream == 0)
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CV_CUDEV_SAFE_CALL( cudaDeviceSynchronize() );
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}
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void cv::cuda::polarToCart(InputArray _mag, InputArray _angle, OutputArray _xy, bool angleInDegrees, Stream& _stream)
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{
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typedef void(*func_t)(const GpuMat& mag, const GpuMat& angle, GpuMat& xy, bool angleInDegrees, cudaStream_t& stream);
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static const func_t funcs[7] = { 0, 0, 0, 0, 0, polarToCartDstInterleavedImpl<float>, polarToCartDstInterleavedImpl<double> };
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GpuMat mag = getInputMat(_mag, _stream);
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GpuMat angle = getInputMat(_angle, _stream);
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CV_Assert(angle.depth() == CV_32F || angle.depth() == CV_64F);
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CV_Assert( mag.empty() || (mag.type() == angle.type() && mag.size() == angle.size()) );
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GpuMat xy = getOutputMat(_xy, angle.size(), CV_MAKETYPE(angle.depth(), 2), _stream);
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cudaStream_t stream = StreamAccessor::getStream(_stream);
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funcs[angle.depth()](mag, angle, xy, angleInDegrees, stream);
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CV_CUDEV_SAFE_CALL( cudaGetLastError() );
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syncOutput(xy, _xy, _stream);
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if (stream == 0)
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CV_CUDEV_SAFE_CALL( cudaDeviceSynchronize() );
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}
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void cv::cuda::polarToCart(InputArray _magAngle, OutputArray _xy, bool angleInDegrees, Stream& _stream)
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{
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typedef void(*func_t)(const GpuMat& magAngle, GpuMat& xy, bool angleInDegrees, cudaStream_t& stream);
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static const func_t funcs[7] = { 0, 0, 0, 0, 0, polarToCartInterleavedImpl<float>, polarToCartInterleavedImpl<double> };
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GpuMat magAngle = getInputMat(_magAngle, _stream);
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CV_Assert(magAngle.type() == CV_32FC2 || magAngle.type() == CV_64FC2);
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GpuMat xy = getOutputMat(_xy, magAngle.size(), magAngle.type(), _stream);
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cudaStream_t stream = StreamAccessor::getStream(_stream);
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funcs[magAngle.depth()](magAngle, xy, angleInDegrees, stream);
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CV_CUDEV_SAFE_CALL( cudaGetLastError() );
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syncOutput(xy, _xy, _stream);
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if (stream == 0)
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CV_CUDEV_SAFE_CALL( cudaDeviceSynchronize() );
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}
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#endif
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