1 /*M/////////////////////////////////////////////////////////////////////////////////////// 2 // 3 // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. 4 // 5 // By downloading, copying, installing or using the software you agree to this license. 6 // If you do not agree to this license, do not download, install, 7 // copy or use the software. 8 // 9 // 10 // License Agreement 11 // For Open Source Computer Vision Library 12 // 13 // Copyright (C) 2000-2008, Intel Corporation, all rights reserved. 14 // Copyright (C) 2009, Willow Garage Inc., all rights reserved. 15 // Third party copyrights are property of their respective owners. 16 // 17 // Redistribution and use in source and binary forms, with or without modification, 18 // are permitted provided that the following conditions are met: 19 // 20 // * Redistribution's of source code must retain the above copyright notice, 21 // this list of conditions and the following disclaimer. 22 // 23 // * Redistribution's in binary form must reproduce the above copyright notice, 24 // this list of conditions and the following disclaimer in the documentation 25 // and/or other materials provided with the distribution. 26 // 27 // * The name of the copyright holders may not be used to endorse or promote products 28 // derived from this software without specific prior written permission. 29 // 30 // This software is provided by the copyright holders and contributors "as is" and 31 // any express or implied warranties, including, but not limited to, the implied 32 // warranties of merchantability and fitness for a particular purpose are disclaimed. 33 // In no event shall the Intel Corporation or contributors be liable for any direct, 34 // indirect, incidental, special, exemplary, or consequential damages 35 // (including, but not limited to, procurement of substitute goods or services; 36 // loss of use, data, or profits; or business interruption) however caused 37 // and on any theory of liability, whether in contract, strict liability, 38 // or tort (including negligence or otherwise) arising in any way out of 39 // the use of this software, even if advised of the possibility of such damage. 40 // 41 //M*/ 42 43 #ifndef __OPENCV_CUDA_LIMITS_HPP__ 44 #define __OPENCV_CUDA_LIMITS_HPP__ 45 46 #include <limits.h> 47 #include <float.h> 48 #include "common.hpp" 49 50 /** @file 51 * @deprecated Use @ref cudev instead. 52 */ 53 54 //! @cond IGNORED 55 56 namespace cv { namespace cuda { namespace device 57 { 58 template <class T> struct numeric_limits; 59 60 template <> struct numeric_limits<bool> 61 { mincv::cuda::device::numeric_limits62 __device__ __forceinline__ static bool min() { return false; } maxcv::cuda::device::numeric_limits63 __device__ __forceinline__ static bool max() { return true; } 64 static const bool is_signed = false; 65 }; 66 67 template <> struct numeric_limits<signed char> 68 { mincv::cuda::device::numeric_limits69 __device__ __forceinline__ static signed char min() { return SCHAR_MIN; } maxcv::cuda::device::numeric_limits70 __device__ __forceinline__ static signed char max() { return SCHAR_MAX; } 71 static const bool is_signed = true; 72 }; 73 74 template <> struct numeric_limits<unsigned char> 75 { mincv::cuda::device::numeric_limits76 __device__ __forceinline__ static unsigned char min() { return 0; } maxcv::cuda::device::numeric_limits77 __device__ __forceinline__ static unsigned char max() { return UCHAR_MAX; } 78 static const bool is_signed = false; 79 }; 80 81 template <> struct numeric_limits<short> 82 { mincv::cuda::device::numeric_limits83 __device__ __forceinline__ static short min() { return SHRT_MIN; } maxcv::cuda::device::numeric_limits84 __device__ __forceinline__ static short max() { return SHRT_MAX; } 85 static const bool is_signed = true; 86 }; 87 88 template <> struct numeric_limits<unsigned short> 89 { mincv::cuda::device::numeric_limits90 __device__ __forceinline__ static unsigned short min() { return 0; } maxcv::cuda::device::numeric_limits91 __device__ __forceinline__ static unsigned short max() { return USHRT_MAX; } 92 static const bool is_signed = false; 93 }; 94 95 template <> struct numeric_limits<int> 96 { mincv::cuda::device::numeric_limits97 __device__ __forceinline__ static int min() { return INT_MIN; } maxcv::cuda::device::numeric_limits98 __device__ __forceinline__ static int max() { return INT_MAX; } 99 static const bool is_signed = true; 100 }; 101 102 template <> struct numeric_limits<unsigned int> 103 { mincv::cuda::device::numeric_limits104 __device__ __forceinline__ static unsigned int min() { return 0; } maxcv::cuda::device::numeric_limits105 __device__ __forceinline__ static unsigned int max() { return UINT_MAX; } 106 static const bool is_signed = false; 107 }; 108 109 template <> struct numeric_limits<float> 110 { mincv::cuda::device::numeric_limits111 __device__ __forceinline__ static float min() { return FLT_MIN; } maxcv::cuda::device::numeric_limits112 __device__ __forceinline__ static float max() { return FLT_MAX; } epsiloncv::cuda::device::numeric_limits113 __device__ __forceinline__ static float epsilon() { return FLT_EPSILON; } 114 static const bool is_signed = true; 115 }; 116 117 template <> struct numeric_limits<double> 118 { mincv::cuda::device::numeric_limits119 __device__ __forceinline__ static double min() { return DBL_MIN; } maxcv::cuda::device::numeric_limits120 __device__ __forceinline__ static double max() { return DBL_MAX; } epsiloncv::cuda::device::numeric_limits121 __device__ __forceinline__ static double epsilon() { return DBL_EPSILON; } 122 static const bool is_signed = true; 123 }; 124 }}} // namespace cv { namespace cuda { namespace cudev { 125 126 //! @endcond 127 128 #endif // __OPENCV_CUDA_LIMITS_HPP__ 129