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authorsiddhu89902017-04-19 11:56:09 +0530
committersiddhu89902017-04-19 11:56:09 +0530
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Copyright message updated in added files and libraries separated in 'thirdparty' folder
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+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
+// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+//
+// By downloading, copying, installing or using the software you agree to this license.
+// If you do not agree to this license, do not download, install,
+// copy or use the software.
+//
+//
+// License Agreement
+// For Open Source Computer Vision Library
+//
+// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
+// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+// * Redistribution's of source code must retain the above copyright notice,
+// this list of conditions and the following disclaimer.
+//
+// * Redistribution's in binary form must reproduce the above copyright notice,
+// this list of conditions and the following disclaimer in the documentation
+// and/or other materials provided with the distribution.
+//
+// * The name of the copyright holders may not be used to endorse or promote products
+// derived from this software without specific prior written permission.
+//
+// This software is provided by the copyright holders and contributors "as is" and
+// any express or implied warranties, including, but not limited to, the implied
+// warranties of merchantability and fitness for a particular purpose are disclaimed.
+// In no event shall the Intel Corporation or contributors be liable for any direct,
+// indirect, incidental, special, exemplary, or consequential damages
+// (including, but not limited to, procurement of substitute goods or services;
+// loss of use, data, or profits; or business interruption) however caused
+// and on any theory of liability, whether in contract, strict liability,
+// or tort (including negligence or otherwise) arising in any way out of
+// the use of this software, even if advised of the possibility of such damage.
+//
+//M*/
+
+#ifndef __OPENCV_GPU_WARP_SHUFFLE_HPP__
+#define __OPENCV_GPU_WARP_SHUFFLE_HPP__
+
+namespace cv { namespace gpu { namespace device
+{
+ template <typename T>
+ __device__ __forceinline__ T shfl(T val, int srcLane, int width = warpSize)
+ {
+ #if __CUDA_ARCH__ >= 300
+ return __shfl(val, srcLane, width);
+ #else
+ return T();
+ #endif
+ }
+ __device__ __forceinline__ unsigned int shfl(unsigned int val, int srcLane, int width = warpSize)
+ {
+ #if __CUDA_ARCH__ >= 300
+ return (unsigned int) __shfl((int) val, srcLane, width);
+ #else
+ return 0;
+ #endif
+ }
+ __device__ __forceinline__ double shfl(double val, int srcLane, int width = warpSize)
+ {
+ #if __CUDA_ARCH__ >= 300
+ int lo = __double2loint(val);
+ int hi = __double2hiint(val);
+
+ lo = __shfl(lo, srcLane, width);
+ hi = __shfl(hi, srcLane, width);
+
+ return __hiloint2double(hi, lo);
+ #else
+ return 0.0;
+ #endif
+ }
+
+ template <typename T>
+ __device__ __forceinline__ T shfl_down(T val, unsigned int delta, int width = warpSize)
+ {
+ #if __CUDA_ARCH__ >= 300
+ return __shfl_down(val, delta, width);
+ #else
+ return T();
+ #endif
+ }
+ __device__ __forceinline__ unsigned int shfl_down(unsigned int val, unsigned int delta, int width = warpSize)
+ {
+ #if __CUDA_ARCH__ >= 300
+ return (unsigned int) __shfl_down((int) val, delta, width);
+ #else
+ return 0;
+ #endif
+ }
+ __device__ __forceinline__ double shfl_down(double val, unsigned int delta, int width = warpSize)
+ {
+ #if __CUDA_ARCH__ >= 300
+ int lo = __double2loint(val);
+ int hi = __double2hiint(val);
+
+ lo = __shfl_down(lo, delta, width);
+ hi = __shfl_down(hi, delta, width);
+
+ return __hiloint2double(hi, lo);
+ #else
+ return 0.0;
+ #endif
+ }
+
+ template <typename T>
+ __device__ __forceinline__ T shfl_up(T val, unsigned int delta, int width = warpSize)
+ {
+ #if __CUDA_ARCH__ >= 300
+ return __shfl_up(val, delta, width);
+ #else
+ return T();
+ #endif
+ }
+ __device__ __forceinline__ unsigned int shfl_up(unsigned int val, unsigned int delta, int width = warpSize)
+ {
+ #if __CUDA_ARCH__ >= 300
+ return (unsigned int) __shfl_up((int) val, delta, width);
+ #else
+ return 0;
+ #endif
+ }
+ __device__ __forceinline__ double shfl_up(double val, unsigned int delta, int width = warpSize)
+ {
+ #if __CUDA_ARCH__ >= 300
+ int lo = __double2loint(val);
+ int hi = __double2hiint(val);
+
+ lo = __shfl_up(lo, delta, width);
+ hi = __shfl_up(hi, delta, width);
+
+ return __hiloint2double(hi, lo);
+ #else
+ return 0.0;
+ #endif
+ }
+}}}
+
+#endif // __OPENCV_GPU_WARP_SHUFFLE_HPP__